diff --git a/clang/include/clang/Basic/DiagnosticSemaKinds.td b/clang/include/clang/Basic/DiagnosticSemaKinds.td index 68af72ba661d..2abb43c4584b 100644 --- a/clang/include/clang/Basic/DiagnosticSemaKinds.td +++ b/clang/include/clang/Basic/DiagnosticSemaKinds.td @@ -1,9790 +1,9792 @@ //==--- DiagnosticSemaKinds.td - libsema diagnostics ----------------------===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// //===----------------------------------------------------------------------===// // Semantic Analysis //===----------------------------------------------------------------------===// let Component = "Sema" in { let CategoryName = "Semantic Issue" in { def note_previous_decl : Note<"%0 declared here">; def note_entity_declared_at : Note<"%0 declared here">; def note_callee_decl : Note<"%0 declared here">; def note_defined_here : Note<"%0 defined here">; // For loop analysis def warn_variables_not_in_loop_body : Warning< "variable%select{s| %1|s %1 and %2|s %1, %2, and %3|s %1, %2, %3, and %4}0 " "used in loop condition not modified in loop body">, InGroup, DefaultIgnore; def warn_redundant_loop_iteration : Warning< "variable %0 is %select{decremented|incremented}1 both in the loop header " "and in the loop body">, InGroup, DefaultIgnore; def note_loop_iteration_here : Note<"%select{decremented|incremented}0 here">; def warn_duplicate_enum_values : Warning< "element %0 has been implicitly assigned %1 which another element has " "been assigned">, InGroup>, DefaultIgnore; def note_duplicate_element : Note<"element %0 also has value %1">; // Absolute value functions def warn_unsigned_abs : Warning< "taking the absolute value of unsigned type %0 has no effect">, InGroup; def note_remove_abs : Note< "remove the call to '%0' since unsigned values cannot be negative">; def warn_abs_too_small : Warning< "absolute value function %0 given an argument of type %1 but has parameter " "of type %2 which may cause truncation of value">, InGroup; def warn_wrong_absolute_value_type : Warning< "using %select{integer|floating point|complex}1 absolute value function %0 " "when argument is of %select{integer|floating point|complex}2 type">, InGroup; def note_replace_abs_function : Note<"use function '%0' instead">; def warn_pointer_abs : Warning< "taking the absolute value of %select{pointer|function|array}0 type %1 is suspicious">, InGroup; def warn_max_unsigned_zero : Warning< "taking the max of " "%select{a value and unsigned zero|unsigned zero and a value}0 " "is always equal to the other value">, InGroup; def note_remove_max_call : Note< "remove call to max function and unsigned zero argument">; def warn_infinite_recursive_function : Warning< "all paths through this function will call itself">, InGroup, DefaultIgnore; def warn_comma_operator : Warning<"possible misuse of comma operator here">, InGroup>, DefaultIgnore; def note_cast_to_void : Note<"cast expression to void to silence warning">; // Constant expressions def err_expr_not_ice : Error< "expression is not an %select{integer|integral}0 constant expression">; def ext_expr_not_ice : Extension< "expression is not an %select{integer|integral}0 constant expression; " "folding it to a constant is a GNU extension">, InGroup; def err_typecheck_converted_constant_expression : Error< "value of type %0 is not implicitly convertible to %1">; def err_typecheck_converted_constant_expression_disallowed : Error< "conversion from %0 to %1 is not allowed in a converted constant expression">; def err_typecheck_converted_constant_expression_indirect : Error< "conversion from %0 to %1 in converted constant expression would " "bind reference to a temporary">; def err_expr_not_cce : Error< "%select{case value|enumerator value|non-type template argument|" "array size|constexpr if condition|explicit specifier argument}0 " "is not a constant expression">; def ext_cce_narrowing : ExtWarn< "%select{case value|enumerator value|non-type template argument|" "array size|constexpr if condition|explicit specifier argument}0 " "%select{cannot be narrowed from type %2 to %3|" "evaluates to %2, which cannot be narrowed to type %3}1">, InGroup, DefaultError, SFINAEFailure; def err_ice_not_integral : Error< "integral constant expression must have integral or unscoped enumeration " "type, not %0">; def err_ice_incomplete_type : Error< "integral constant expression has incomplete class type %0">; def err_ice_explicit_conversion : Error< "integral constant expression requires explicit conversion from %0 to %1">; def note_ice_conversion_here : Note< "conversion to %select{integral|enumeration}0 type %1 declared here">; def err_ice_ambiguous_conversion : Error< "ambiguous conversion from type %0 to an integral or unscoped " "enumeration type">; def err_ice_too_large : Error< "integer constant expression evaluates to value %0 that cannot be " "represented in a %1-bit %select{signed|unsigned}2 integer type">; def err_expr_not_string_literal : Error<"expression is not a string literal">; // Semantic analysis of constant literals. def ext_predef_outside_function : Warning< "predefined identifier is only valid inside function">, InGroup>; def warn_float_overflow : Warning< "magnitude of floating-point constant too large for type %0; maximum is %1">, InGroup; def warn_float_underflow : Warning< "magnitude of floating-point constant too small for type %0; minimum is %1">, InGroup; def warn_double_const_requires_fp64 : Warning< "double precision constant requires cl_khr_fp64, casting to single precision">; def err_half_const_requires_fp16 : Error< "half precision constant requires cl_khr_fp16">; // C99 variable-length arrays def ext_vla : Extension<"variable length arrays are a C99 feature">, InGroup; def warn_vla_used : Warning<"variable length array used">, InGroup, DefaultIgnore; def err_vla_in_sfinae : Error< "variable length array cannot be formed during template argument deduction">; def err_array_star_in_function_definition : Error< "variable length array must be bound in function definition">; def err_vla_decl_in_file_scope : Error< "variable length array declaration not allowed at file scope">; def err_vla_decl_has_static_storage : Error< "variable length array declaration cannot have 'static' storage duration">; def err_vla_decl_has_extern_linkage : Error< "variable length array declaration cannot have 'extern' linkage">; def ext_vla_folded_to_constant : Extension< "variable length array folded to constant array as an extension">, InGroup; def err_vla_unsupported : Error< "variable length arrays are not supported for the current target">; def note_vla_unsupported : Note< "variable length arrays are not supported for the current target">; // C99 variably modified types def err_variably_modified_template_arg : Error< "variably modified type %0 cannot be used as a template argument">; def err_variably_modified_nontype_template_param : Error< "non-type template parameter of variably modified type %0">; def err_variably_modified_new_type : Error< "'new' cannot allocate object of variably modified type %0">; // C99 Designated Initializers def ext_designated_init : Extension< "designated initializers are a C99 feature">, InGroup; def err_array_designator_negative : Error< "array designator value '%0' is negative">; def err_array_designator_empty_range : Error< "array designator range [%0, %1] is empty">; def err_array_designator_non_array : Error< "array designator cannot initialize non-array type %0">; def err_array_designator_too_large : Error< "array designator index (%0) exceeds array bounds (%1)">; def err_field_designator_non_aggr : Error< "field designator cannot initialize a " "%select{non-struct, non-union|non-class}0 type %1">; def err_field_designator_unknown : Error< "field designator %0 does not refer to any field in type %1">; def err_field_designator_nonfield : Error< "field designator %0 does not refer to a non-static data member">; def note_field_designator_found : Note<"field designator refers here">; def err_designator_for_scalar_init : Error< "designator in initializer for scalar type %0">; def warn_subobject_initializer_overrides : Warning< "subobject initialization overrides initialization of other fields " "within its enclosing subobject">, InGroup; def warn_initializer_overrides : Warning< "initializer overrides prior initialization of this subobject">, InGroup; def note_previous_initializer : Note< "previous initialization %select{|with side effects }0is here" "%select{| (side effects may not occur at run time)}0">; def err_designator_into_flexible_array_member : Error< "designator into flexible array member subobject">; def note_flexible_array_member : Note< "initialized flexible array member %0 is here">; def ext_flexible_array_init : Extension< "flexible array initialization is a GNU extension">, InGroup; // Declarations. def ext_plain_complex : ExtWarn< "plain '_Complex' requires a type specifier; assuming '_Complex double'">; def ext_imaginary_constant : Extension< "imaginary constants are a GNU extension">, InGroup; def ext_integer_complex : Extension< "complex integer types are a GNU extension">, InGroup; def err_invalid_saturation_spec : Error<"'_Sat' specifier is only valid on " "'_Fract' or '_Accum', not '%0'">; def err_invalid_sign_spec : Error<"'%0' cannot be signed or unsigned">; def err_invalid_width_spec : Error< "'%select{|short|long|long long}0 %1' is invalid">; def err_invalid_complex_spec : Error<"'_Complex %0' is invalid">; def ext_auto_type_specifier : ExtWarn< "'auto' type specifier is a C++11 extension">, InGroup; def warn_auto_storage_class : Warning< "'auto' storage class specifier is redundant and incompatible with C++11">, InGroup, DefaultIgnore; def warn_deprecated_register : Warning< "'register' storage class specifier is deprecated " "and incompatible with C++17">, InGroup; def ext_register_storage_class : ExtWarn< "ISO C++17 does not allow 'register' storage class specifier">, DefaultError, InGroup; def err_invalid_decl_spec_combination : Error< "cannot combine with previous '%0' declaration specifier">; def err_invalid_vector_decl_spec_combination : Error< "cannot combine with previous '%0' declaration specifier. " "'__vector' must be first">; def err_invalid_pixel_decl_spec_combination : Error< "'__pixel' must be preceded by '__vector'. " "'%0' declaration specifier not allowed here">; def err_invalid_vector_bool_decl_spec : Error< "cannot use '%0' with '__vector bool'">; def err_invalid_vector_long_decl_spec : Error< "cannot use 'long' with '__vector'">; def err_invalid_vector_float_decl_spec : Error< "cannot use 'float' with '__vector'">; def err_invalid_vector_double_decl_spec : Error < "use of 'double' with '__vector' requires VSX support to be enabled " "(available on POWER7 or later)">; def err_invalid_vector_long_long_decl_spec : Error < "use of 'long long' with '__vector bool' requires VSX support (available on " "POWER7 or later) or extended Altivec support (available on POWER8 or later) " "to be enabled">; def err_invalid_vector_long_double_decl_spec : Error< "cannot use 'long double' with '__vector'">; def warn_vector_long_decl_spec_combination : Warning< "Use of 'long' with '__vector' is deprecated">, InGroup; def err_redeclaration_different_type : Error< "redeclaration of %0 with a different type%diff{: $ vs $|}1,2">; def err_bad_variable_name : Error< "%0 cannot be the name of a variable or data member">; def err_bad_parameter_name : Error< "%0 cannot be the name of a parameter">; def err_bad_parameter_name_template_id : Error< "parameter name cannot have template arguments">; def err_parameter_name_omitted : Error<"parameter name omitted">; def err_anyx86_interrupt_attribute : Error< "%select{x86|x86-64}0 'interrupt' attribute only applies to functions that " "have %select{a 'void' return type|" "only a pointer parameter optionally followed by an integer parameter|" "a pointer as the first parameter|a %2 type as the second parameter}1">; def err_anyx86_interrupt_called : Error< "interrupt service routine cannot be called directly">; def warn_arm_interrupt_calling_convention : Warning< "call to function without interrupt attribute could clobber interruptee's VFP registers">, InGroup; def warn_interrupt_attribute_invalid : Warning< "%select{MIPS|MSP430|RISC-V}0 'interrupt' attribute only applies to " "functions that have %select{no parameters|a 'void' return type}1">, InGroup; def warn_riscv_repeated_interrupt_attribute : Warning< "repeated RISC-V 'interrupt' attribute">, InGroup; def note_riscv_repeated_interrupt_attribute : Note< "repeated RISC-V 'interrupt' attribute is here">; def warn_unused_parameter : Warning<"unused parameter %0">, InGroup, DefaultIgnore; def warn_unused_variable : Warning<"unused variable %0">, InGroup, DefaultIgnore; def warn_unused_local_typedef : Warning< "unused %select{typedef|type alias}0 %1">, InGroup, DefaultIgnore; def warn_unused_property_backing_ivar : Warning<"ivar %0 which backs the property is not " "referenced in this property's accessor">, InGroup, DefaultIgnore; def warn_unused_const_variable : Warning<"unused variable %0">, InGroup, DefaultIgnore; def warn_unused_exception_param : Warning<"unused exception parameter %0">, InGroup, DefaultIgnore; def warn_decl_in_param_list : Warning< "declaration of %0 will not be visible outside of this function">, InGroup; def warn_redefinition_in_param_list : Warning< "redefinition of %0 will not be visible outside of this function">, InGroup; def warn_empty_parens_are_function_decl : Warning< "empty parentheses interpreted as a function declaration">, InGroup; def warn_parens_disambiguated_as_function_declaration : Warning< "parentheses were disambiguated as a function declaration">, InGroup; def warn_parens_disambiguated_as_variable_declaration : Warning< "parentheses were disambiguated as redundant parentheses around declaration " "of variable named %0">, InGroup; def warn_redundant_parens_around_declarator : Warning< "redundant parentheses surrounding declarator">, InGroup>, DefaultIgnore; def note_additional_parens_for_variable_declaration : Note< "add a pair of parentheses to declare a variable">; def note_raii_guard_add_name : Note< "add a variable name to declare a %0 initialized with %1">; def note_function_style_cast_add_parentheses : Note< "add enclosing parentheses to perform a function-style cast">; def note_remove_parens_for_variable_declaration : Note< "remove parentheses to silence this warning">; def note_empty_parens_function_call : Note< "change this ',' to a ';' to call %0">; def note_empty_parens_default_ctor : Note< "remove parentheses to declare a variable">; def note_empty_parens_zero_initialize : Note< "replace parentheses with an initializer to declare a variable">; def warn_unused_function : Warning<"unused function %0">, InGroup, DefaultIgnore; def warn_unused_template : Warning<"unused %select{function|variable}0 template %1">, InGroup, DefaultIgnore; def warn_unused_member_function : Warning<"unused member function %0">, InGroup, DefaultIgnore; def warn_used_but_marked_unused: Warning<"%0 was marked unused but was used">, InGroup, DefaultIgnore; def warn_unneeded_internal_decl : Warning< "%select{function|variable}0 %1 is not needed and will not be emitted">, InGroup, DefaultIgnore; def warn_unneeded_static_internal_decl : Warning< "'static' function %0 declared in header file " "should be declared 'static inline'">, InGroup, DefaultIgnore; def warn_unneeded_member_function : Warning< "member function %0 is not needed and will not be emitted">, InGroup, DefaultIgnore; def warn_unused_private_field: Warning<"private field %0 is not used">, InGroup, DefaultIgnore; def warn_unused_lambda_capture: Warning<"lambda capture %0 is not " "%select{used|required to be captured for this use}1">, InGroup, DefaultIgnore; def warn_parameter_size: Warning< "%0 is a large (%1 bytes) pass-by-value argument; " "pass it by reference instead ?">, InGroup; def warn_return_value_size: Warning< "return value of %0 is a large (%1 bytes) pass-by-value object; " "pass it by reference instead ?">, InGroup; def warn_return_value_udt: Warning< "%0 has C-linkage specified, but returns user-defined type %1 which is " "incompatible with C">, InGroup; def warn_return_value_udt_incomplete: Warning< "%0 has C-linkage specified, but returns incomplete type %1 which could be " "incompatible with C">, InGroup; def warn_implicit_function_decl : Warning< "implicit declaration of function %0">, InGroup, DefaultIgnore; def ext_implicit_function_decl : ExtWarn< "implicit declaration of function %0 is invalid in C99">, InGroup; def note_function_suggestion : Note<"did you mean %0?">; def err_ellipsis_first_param : Error< "ISO C requires a named parameter before '...'">; def err_declarator_need_ident : Error<"declarator requires an identifier">; def err_language_linkage_spec_unknown : Error<"unknown linkage language">; def err_language_linkage_spec_not_ascii : Error< "string literal in language linkage specifier cannot have an " "encoding-prefix">; def ext_use_out_of_scope_declaration : ExtWarn< "use of out-of-scope declaration of %0%select{| whose type is not " "compatible with that of an implicit declaration}1">, InGroup>; def err_inline_non_function : Error< "'inline' can only appear on functions%select{| and non-local variables}0">; def err_noreturn_non_function : Error< "'_Noreturn' can only appear on functions">; def warn_qual_return_type : Warning< "'%0' type qualifier%s1 on return type %plural{1:has|:have}1 no effect">, InGroup, DefaultIgnore; def warn_deprecated_redundant_constexpr_static_def : Warning< "out-of-line definition of constexpr static data member is redundant " "in C++17 and is deprecated">, InGroup, DefaultIgnore; def warn_decl_shadow : Warning<"declaration shadows a %select{" "local variable|" "variable in %2|" "static data member of %2|" "field of %2|" "typedef in %2|" "type alias in %2}1">, InGroup, DefaultIgnore; def warn_decl_shadow_uncaptured_local : Warning, InGroup, DefaultIgnore; def warn_ctor_parm_shadows_field: Warning<"constructor parameter %0 shadows the field %1 of %2">, InGroup, DefaultIgnore; def warn_modifying_shadowing_decl : Warning<"modifying constructor parameter %0 that shadows a " "field of %1">, InGroup, DefaultIgnore; // C++ decomposition declarations def err_decomp_decl_context : Error< "decomposition declaration not permitted in this context">; def warn_cxx14_compat_decomp_decl : Warning< "decomposition declarations are incompatible with " "C++ standards before C++17">, DefaultIgnore, InGroup; def ext_decomp_decl : ExtWarn< "decomposition declarations are a C++17 extension">, InGroup; def ext_decomp_decl_cond : ExtWarn< "ISO C++17 does not permit structured binding declaration in a condition">, InGroup>; def err_decomp_decl_spec : Error< "decomposition declaration cannot be declared " "%plural{1:'%1'|:with '%1' specifiers}0">; def ext_decomp_decl_spec : ExtWarn< "decomposition declaration declared " "%plural{1:'%1'|:with '%1' specifiers}0 is a C++2a extension">, InGroup; def warn_cxx17_compat_decomp_decl_spec : Warning< "decomposition declaration declared " "%plural{1:'%1'|:with '%1' specifiers}0 " "is incompatible with C++ standards before C++2a">, InGroup, DefaultIgnore; def err_decomp_decl_type : Error< "decomposition declaration cannot be declared with type %0; " "declared type must be 'auto' or reference to 'auto'">; def err_decomp_decl_parens : Error< "decomposition declaration cannot be declared with parentheses">; def err_decomp_decl_template : Error< "decomposition declaration template not supported">; def err_decomp_decl_not_alone : Error< "decomposition declaration must be the only declaration in its group">; def err_decomp_decl_requires_init : Error< "decomposition declaration %0 requires an initializer">; def err_decomp_decl_wrong_number_bindings : Error< "type %0 decomposes into %2 elements, but %select{only |}3%1 " "names were provided">; def err_decomp_decl_unbindable_type : Error< "cannot decompose %select{union|non-class, non-array}1 type %2">; def err_decomp_decl_multiple_bases_with_members : Error< "cannot decompose class type %1: " "%select{its base classes %2 and|both it and its base class}0 %3 " "have non-static data members">; def err_decomp_decl_ambiguous_base : Error< "cannot decompose members of ambiguous base class %1 of %0:%2">; def err_decomp_decl_inaccessible_base : Error< "cannot decompose members of inaccessible base class %1 of %0">, AccessControl; def err_decomp_decl_inaccessible_field : Error< "cannot decompose %select{private|protected}0 member %1 of %3">, AccessControl; def err_decomp_decl_anon_union_member : Error< "cannot decompose class type %0 because it has an anonymous " "%select{struct|union}1 member">; def err_decomp_decl_std_tuple_element_not_specialized : Error< "cannot decompose this type; 'std::tuple_element<%0>::type' " "does not name a type">; def err_decomp_decl_std_tuple_size_not_constant : Error< "cannot decompose this type; 'std::tuple_size<%0>::value' " "is not a valid integral constant expression">; def note_in_binding_decl_init : Note< "in implicit initialization of binding declaration %0">; def err_std_type_trait_not_class_template : Error< "unsupported standard library implementation: " "'std::%0' is not a class template">; // C++ using declarations def err_using_requires_qualname : Error< "using declaration requires a qualified name">; def err_using_typename_non_type : Error< "'typename' keyword used on a non-type">; def err_using_dependent_value_is_type : Error< "dependent using declaration resolved to type without 'typename'">; def err_using_decl_nested_name_specifier_is_not_class : Error< "using declaration in class refers into '%0', which is not a class">; def err_using_decl_nested_name_specifier_is_current_class : Error< "using declaration refers to its own class">; def err_using_decl_nested_name_specifier_is_not_base_class : Error< "using declaration refers into '%0', which is not a base class of %1">; def err_using_decl_constructor_not_in_direct_base : Error< "%0 is not a direct base of %1, cannot inherit constructors">; def err_using_decl_can_not_refer_to_class_member : Error< "using declaration cannot refer to class member">; def err_ambiguous_inherited_constructor : Error< "constructor of %0 inherited from multiple base class subobjects">; def note_ambiguous_inherited_constructor_using : Note< "inherited from base class %0 here">; def note_using_decl_class_member_workaround : Note< "use %select{an alias declaration|a typedef declaration|a reference|" "a const variable|a constexpr variable}0 instead">; def err_using_decl_can_not_refer_to_namespace : Error< "using declaration cannot refer to a namespace">; def err_using_decl_can_not_refer_to_scoped_enum : Error< "using declaration cannot refer to a scoped enumerator">; def err_using_decl_constructor : Error< "using declaration cannot refer to a constructor">; def warn_cxx98_compat_using_decl_constructor : Warning< "inheriting constructors are incompatible with C++98">, InGroup, DefaultIgnore; def err_using_decl_destructor : Error< "using declaration cannot refer to a destructor">; def err_using_decl_template_id : Error< "using declaration cannot refer to a template specialization">; def note_using_decl_target : Note<"target of using declaration">; def note_using_decl_conflict : Note<"conflicting declaration">; def err_using_decl_redeclaration : Error<"redeclaration of using declaration">; def err_using_decl_conflict : Error< "target of using declaration conflicts with declaration already in scope">; def err_using_decl_conflict_reverse : Error< "declaration conflicts with target of using declaration already in scope">; def note_using_decl : Note<"%select{|previous }0using declaration">; def err_using_decl_redeclaration_expansion : Error< "using declaration pack expansion at block scope produces multiple values">; def warn_access_decl_deprecated : Warning< "access declarations are deprecated; use using declarations instead">, InGroup; def err_access_decl : Error< "ISO C++11 does not allow access declarations; " "use using declarations instead">; def warn_deprecated_copy_operation : Warning< "definition of implicit copy %select{constructor|assignment operator}1 " "for %0 is deprecated because it has a user-declared " "%select{copy %select{assignment operator|constructor}1|destructor}2">, InGroup, DefaultIgnore; def warn_cxx17_compat_exception_spec_in_signature : Warning< "mangled name of %0 will change in C++17 due to non-throwing exception " "specification in function signature">, InGroup; def warn_global_constructor : Warning< "declaration requires a global constructor">, InGroup, DefaultIgnore; def warn_global_destructor : Warning< "declaration requires a global destructor">, InGroup, DefaultIgnore; def warn_exit_time_destructor : Warning< "declaration requires an exit-time destructor">, InGroup, DefaultIgnore; def err_invalid_thread : Error< "'%0' is only allowed on variable declarations">; def err_thread_non_global : Error< "'%0' variables must have global storage">; def err_thread_unsupported : Error< "thread-local storage is not supported for the current target">; def warn_maybe_falloff_nonvoid_function : Warning< "control may reach end of non-void function">, InGroup; def warn_falloff_nonvoid_function : Warning< "control reaches end of non-void function">, InGroup; def err_maybe_falloff_nonvoid_block : Error< "control may reach end of non-void block">; def err_falloff_nonvoid_block : Error< "control reaches end of non-void block">; def warn_maybe_falloff_nonvoid_coroutine : Warning< "control may reach end of coroutine; which is undefined behavior because the promise type %0 does not declare 'return_void()'">, InGroup; def warn_falloff_nonvoid_coroutine : Warning< "control reaches end of coroutine; which is undefined behavior because the promise type %0 does not declare 'return_void()'">, InGroup; def warn_suggest_noreturn_function : Warning< "%select{function|method}0 %1 could be declared with attribute 'noreturn'">, InGroup, DefaultIgnore; def warn_suggest_noreturn_block : Warning< "block could be declared with attribute 'noreturn'">, InGroup, DefaultIgnore; // Unreachable code. def warn_unreachable : Warning< "code will never be executed">, InGroup, DefaultIgnore; def warn_unreachable_break : Warning< "'break' will never be executed">, InGroup, DefaultIgnore; def warn_unreachable_return : Warning< "'return' will never be executed">, InGroup, DefaultIgnore; def warn_unreachable_loop_increment : Warning< "loop will run at most once (loop increment never executed)">, InGroup, DefaultIgnore; def note_unreachable_silence : Note< "silence by adding parentheses to mark code as explicitly dead">; /// Built-in functions. def ext_implicit_lib_function_decl : ExtWarn< "implicitly declaring library function '%0' with type %1">, InGroup; def note_include_header_or_declare : Note< "include the header <%0> or explicitly provide a declaration for '%1'">; def note_previous_builtin_declaration : Note<"%0 is a builtin with type %1">; def warn_implicit_decl_no_jmp_buf : Warning<"declaration of built-in function '%0' requires the declaration" " of the 'jmp_buf' type, commonly provided in the header .">, InGroup>; def warn_implicit_decl_requires_sysheader : Warning< "declaration of built-in function '%1' requires inclusion of the header <%0>">, InGroup; def warn_redecl_library_builtin : Warning< "incompatible redeclaration of library function %0">, InGroup>; def err_builtin_definition : Error<"definition of builtin function %0">; def err_builtin_redeclare : Error<"cannot redeclare builtin function %0">; def err_arm_invalid_specialreg : Error<"invalid special register for builtin">; def err_invalid_cpu_supports : Error<"invalid cpu feature string for builtin">; def err_invalid_cpu_is : Error<"invalid cpu name for builtin">; def err_invalid_cpu_specific_dispatch_value : Error< "invalid option '%0' for %select{cpu_specific|cpu_dispatch}1">; def warn_builtin_unknown : Warning<"use of unknown builtin %0">, InGroup, DefaultError; def warn_cstruct_memaccess : Warning< "%select{destination for|source of|first operand of|second operand of}0 this " "%1 call is a pointer to record %2 that is not trivial to " "%select{primitive-default-initialize|primitive-copy}3">, InGroup; def note_nontrivial_field : Note< "field is non-trivial to %select{copy|default-initialize}0">; def err_nontrivial_primitive_type_in_union : Error< "non-trivial C types are disallowed in union">; def warn_dyn_class_memaccess : Warning< "%select{destination for|source of|first operand of|second operand of}0 this " "%1 call is a pointer to %select{|class containing a }2dynamic class %3; " "vtable pointer will be %select{overwritten|copied|moved|compared}4">, InGroup; def note_bad_memaccess_silence : Note< "explicitly cast the pointer to silence this warning">; def warn_sizeof_pointer_expr_memaccess : Warning< "'%0' call operates on objects of type %1 while the size is based on a " "different type %2">, InGroup; def warn_sizeof_pointer_expr_memaccess_note : Note< "did you mean to %select{dereference the argument to 'sizeof' (and multiply " "it by the number of elements)|remove the addressof in the argument to " "'sizeof' (and multiply it by the number of elements)|provide an explicit " "length}0?">; def warn_sizeof_pointer_type_memaccess : Warning< "argument to 'sizeof' in %0 call is the same pointer type %1 as the " "%select{destination|source}2; expected %3 or an explicit length">, InGroup; def warn_strlcpycat_wrong_size : Warning< "size argument in %0 call appears to be size of the source; " "expected the size of the destination">, InGroup>; def note_strlcpycat_wrong_size : Note< "change size argument to be the size of the destination">; def warn_memsize_comparison : Warning< "size argument in %0 call is a comparison">, InGroup>; def note_memsize_comparison_paren : Note< "did you mean to compare the result of %0 instead?">; def note_memsize_comparison_cast_silence : Note< "explicitly cast the argument to size_t to silence this warning">; def warn_suspicious_sizeof_memset : Warning< "%select{'size' argument to memset is '0'|" "setting buffer to a 'sizeof' expression}0" "; did you mean to transpose the last two arguments?">, InGroup; def note_suspicious_sizeof_memset_silence : Note< "%select{parenthesize the third argument|" "cast the second argument to 'int'}0 to silence">; def warn_suspicious_bzero_size : Warning<"'size' argument to bzero is '0'">, InGroup; def note_suspicious_bzero_size_silence : Note< "parenthesize the second argument to silence">; def warn_strncat_large_size : Warning< "the value of the size argument in 'strncat' is too large, might lead to a " "buffer overflow">, InGroup; def warn_strncat_src_size : Warning<"size argument in 'strncat' call appears " "to be size of the source">, InGroup; def warn_strncat_wrong_size : Warning< "the value of the size argument to 'strncat' is wrong">, InGroup; def note_strncat_wrong_size : Note< "change the argument to be the free space in the destination buffer minus " "the terminating null byte">; def warn_assume_side_effects : Warning< "the argument to %0 has side effects that will be discarded">, InGroup>; def warn_builtin_chk_overflow : Warning< "'%0' will always overflow; destination buffer has size %1," " but size argument is %2">, InGroup>; def warn_fortify_source_overflow : Warning, InGroup; def warn_fortify_source_size_mismatch : Warning< "'%0' size argument is too large; destination buffer has size %1," " but size argument is %2">, InGroup; /// main() // static main() is not an error in C, just in C++. def warn_static_main : Warning<"'main' should not be declared static">, InGroup
; def err_static_main : Error<"'main' is not allowed to be declared static">; def err_inline_main : Error<"'main' is not allowed to be declared inline">; def ext_variadic_main : ExtWarn< "'main' is not allowed to be declared variadic">, InGroup
; def ext_noreturn_main : ExtWarn< "'main' is not allowed to be declared _Noreturn">, InGroup
; def note_main_remove_noreturn : Note<"remove '_Noreturn'">; def err_constexpr_main : Error< "'main' is not allowed to be declared %select{constexpr|consteval}0">; def err_deleted_main : Error<"'main' is not allowed to be deleted">; def err_mainlike_template_decl : Error<"%0 cannot be a template">; def err_main_returns_nonint : Error<"'main' must return 'int'">; def ext_main_returns_nonint : ExtWarn<"return type of 'main' is not 'int'">, InGroup; def note_main_change_return_type : Note<"change return type to 'int'">; def err_main_surplus_args : Error<"too many parameters (%0) for 'main': " "must be 0, 2, or 3">; def warn_main_one_arg : Warning<"only one parameter on 'main' declaration">, InGroup
; def err_main_arg_wrong : Error<"%select{first|second|third|fourth}0 " "parameter of 'main' (%select{argument count|argument array|environment|" "platform-specific data}0) must be of type %1">; def warn_main_returns_bool_literal : Warning<"bool literal returned from " "'main'">, InGroup
; def err_main_global_variable : Error<"main cannot be declared as global variable">; def warn_main_redefined : Warning<"variable named 'main' with external linkage " "has undefined behavior">, InGroup
; def ext_main_used : Extension< "ISO C++ does not allow 'main' to be used by a program">, InGroup
; /// parser diagnostics def ext_no_declarators : ExtWarn<"declaration does not declare anything">, InGroup; def ext_typedef_without_a_name : ExtWarn<"typedef requires a name">, InGroup; def err_typedef_not_identifier : Error<"typedef name must be an identifier">; def err_typedef_changes_linkage : Error<"unsupported: typedef changes linkage" " of anonymous type, but linkage was already computed">; def note_typedef_changes_linkage : Note<"use a tag name here to establish " "linkage prior to definition">; def err_statically_allocated_object : Error< "interface type cannot be statically allocated">; def err_object_cannot_be_passed_returned_by_value : Error< "interface type %1 cannot be %select{returned|passed}0 by value" "; did you forget * in %1?">; def err_parameters_retval_cannot_have_fp16_type : Error< "%select{parameters|function return value}0 cannot have __fp16 type; did you forget * ?">; def err_opencl_half_load_store : Error< "%select{loading directly from|assigning directly to}0 pointer to type %1 requires " "cl_khr_fp16. Use vector data %select{load|store}0 builtin functions instead">; def err_opencl_cast_to_half : Error<"casting to type %0 is not allowed">; def err_opencl_half_declaration : Error< "declaring variable of type %0 is not allowed">; def err_opencl_half_param : Error< "declaring function parameter of type %0 is not allowed; did you forget * ?">; def err_opencl_invalid_return : Error< "declaring function return value of type %0 is not allowed %select{; did you forget * ?|}1">; def warn_enum_value_overflow : Warning<"overflow in enumeration value">; def warn_pragma_options_align_reset_failed : Warning< "#pragma options align=reset failed: %0">, InGroup; def err_pragma_options_align_mac68k_target_unsupported : Error< "mac68k alignment pragma is not supported on this target">; def warn_pragma_pack_invalid_alignment : Warning< "expected #pragma pack parameter to be '1', '2', '4', '8', or '16'">, InGroup; def warn_pragma_pack_non_default_at_include : Warning< "non-default #pragma pack value changes the alignment of struct or union " "members in the included file">, InGroup, DefaultIgnore; def warn_pragma_pack_modified_after_include : Warning< "the current #pragma pack alignment value is modified in the included " "file">, InGroup; def warn_pragma_pack_no_pop_eof : Warning<"unterminated " "'#pragma pack (push, ...)' at end of file">, InGroup; def note_pragma_pack_here : Note< "previous '#pragma pack' directive that modifies alignment is here">; def note_pragma_pack_pop_instead_reset : Note< "did you intend to use '#pragma pack (pop)' instead of '#pragma pack()'?">; // Follow the Microsoft implementation. def warn_pragma_pack_show : Warning<"value of #pragma pack(show) == %0">; def warn_pragma_pack_pop_identifier_and_alignment : Warning< "specifying both a name and alignment to 'pop' is undefined">; def warn_pragma_pop_failed : Warning<"#pragma %0(pop, ...) failed: %1">, InGroup; def warn_cxx_ms_struct : Warning<"ms_struct may not produce Microsoft-compatible layouts for classes " "with base classes or virtual functions">, DefaultError, InGroup; def err_section_conflict : Error<"%0 causes a section type conflict with %1">; def err_no_base_classes : Error<"invalid use of '__super', %0 has no base classes">; def err_invalid_super_scope : Error<"invalid use of '__super', " "this keyword can only be used inside class or member function scope">; def err_super_in_lambda_unsupported : Error< "use of '__super' inside a lambda is unsupported">; def warn_pragma_unused_undeclared_var : Warning< "undeclared variable %0 used as an argument for '#pragma unused'">, InGroup; def warn_atl_uuid_deprecated : Warning< "specifying 'uuid' as an ATL attribute is deprecated; use __declspec instead">, InGroup; def warn_pragma_unused_expected_var_arg : Warning< "only variables can be arguments to '#pragma unused'">, InGroup; def err_pragma_push_visibility_mismatch : Error< "#pragma visibility push with no matching #pragma visibility pop">; def note_surrounding_namespace_ends_here : Note< "surrounding namespace with visibility attribute ends here">; def err_pragma_pop_visibility_mismatch : Error< "#pragma visibility pop with no matching #pragma visibility push">; def note_surrounding_namespace_starts_here : Note< "surrounding namespace with visibility attribute starts here">; def err_pragma_loop_invalid_argument_type : Error< "invalid argument of type %0; expected an integer type">; def err_pragma_loop_invalid_argument_value : Error< "%select{invalid value '%0'; must be positive|value '%0' is too large}1">; def err_pragma_loop_compatibility : Error< "%select{incompatible|duplicate}0 directives '%1' and '%2'">; def err_pragma_loop_precedes_nonloop : Error< "expected a for, while, or do-while loop to follow '%0'">; def err_pragma_attribute_matcher_subrule_contradicts_rule : Error< "redundant attribute subject matcher sub-rule '%0'; '%1' already matches " "those declarations">; def err_pragma_attribute_matcher_negated_subrule_contradicts_subrule : Error< "negated attribute subject matcher sub-rule '%0' contradicts sub-rule '%1'">; def err_pragma_attribute_invalid_matchers : Error< "attribute %0 can't be applied to %1">; def err_pragma_attribute_stack_mismatch : Error< "'#pragma clang attribute %select{%1.|}0pop' with no matching" " '#pragma clang attribute %select{%1.|}0push'">; def warn_pragma_attribute_unused : Warning< "unused attribute %0 in '#pragma clang attribute push' region">, InGroup; def note_pragma_attribute_region_ends_here : Note< "'#pragma clang attribute push' regions ends here">; def err_pragma_attribute_no_pop_eof : Error<"unterminated " "'#pragma clang attribute push' at end of file">; def note_pragma_attribute_applied_decl_here : Note< "when applied to this declaration">; def err_pragma_attr_attr_no_push : Error< "'#pragma clang attribute' attribute with no matching " "'#pragma clang attribute push'">; /// Objective-C parser diagnostics def err_duplicate_class_def : Error< "duplicate interface definition for class %0">; def err_undef_superclass : Error< "cannot find interface declaration for %0, superclass of %1">; def err_forward_superclass : Error< "attempting to use the forward class %0 as superclass of %1">; def err_no_nsconstant_string_class : Error< "cannot find interface declaration for %0">; def err_recursive_superclass : Error< "trying to recursively use %0 as superclass of %1">; def err_conflicting_aliasing_type : Error<"conflicting types for alias %0">; def warn_undef_interface : Warning<"cannot find interface declaration for %0">; def warn_duplicate_protocol_def : Warning< "duplicate protocol definition of %0 is ignored">, InGroup>; def err_protocol_has_circular_dependency : Error< "protocol has circular dependency">; def err_undeclared_protocol : Error<"cannot find protocol declaration for %0">; def warn_undef_protocolref : Warning<"cannot find protocol definition for %0">; def err_atprotocol_protocol : Error< "@protocol is using a forward protocol declaration of %0">; def warn_readonly_property : Warning< "attribute 'readonly' of property %0 restricts attribute " "'readwrite' of property inherited from %1">, InGroup; def warn_property_attribute : Warning< "'%1' attribute on property %0 does not match the property inherited from %2">, InGroup; def warn_property_types_are_incompatible : Warning< "property type %0 is incompatible with type %1 inherited from %2">, InGroup>; def warn_protocol_property_mismatch : Warning< "property %select{of type %1|with attribute '%1'|without attribute '%1'|with " "getter %1|with setter %1}0 was selected for synthesis">, InGroup>; def err_protocol_property_mismatch: Error; def err_undef_interface : Error<"cannot find interface declaration for %0">; def err_category_forward_interface : Error< "cannot define %select{category|class extension}0 for undefined class %1">; def err_class_extension_after_impl : Error< "cannot declare class extension for %0 after class implementation">; def note_implementation_declared : Note< "class implementation is declared here">; def note_while_in_implementation : Note< "detected while default synthesizing properties in class implementation">; def note_class_declared : Note< "class is declared here">; def note_receiver_class_declared : Note< "receiver is instance of class declared here">; def note_receiver_expr_here : Note< "receiver expression is here">; def note_receiver_is_id : Note< "receiver is treated with 'id' type for purpose of method lookup">; def note_suppressed_class_declare : Note< "class with specified objc_requires_property_definitions attribute is declared here">; def err_objc_root_class_subclass : Error< "objc_root_class attribute may only be specified on a root class declaration">; def err_restricted_superclass_mismatch : Error< "cannot subclass a class that was declared with the " "'objc_subclassing_restricted' attribute">; def err_class_stub_subclassing_mismatch : Error< "'objc_class_stub' attribute cannot be specified on a class that does not " "have the 'objc_subclassing_restricted' attribute">; def err_implementation_of_class_stub : Error< "cannot declare implementation of a class declared with the " "'objc_class_stub' attribute">; def warn_objc_root_class_missing : Warning< "class %0 defined without specifying a base class">, InGroup; def err_objc_runtime_visible_category : Error< "cannot implement a category for class %0 that is only visible via the " "Objective-C runtime">; def err_objc_runtime_visible_subclass : Error< "cannot implement subclass %0 of a superclass %1 that is only visible via the " "Objective-C runtime">; def note_objc_needs_superclass : Note< "add a super class to fix this problem">; def err_conflicting_super_class : Error<"conflicting super class name %0">; def err_dup_implementation_class : Error<"reimplementation of class %0">; def err_dup_implementation_category : Error< "reimplementation of category %1 for class %0">; def err_conflicting_ivar_type : Error< "instance variable %0 has conflicting type%diff{: $ vs $|}1,2">; def err_duplicate_ivar_declaration : Error< "instance variable is already declared">; def warn_on_superclass_use : Warning< "class implementation may not have super class">; def err_conflicting_ivar_bitwidth : Error< "instance variable %0 has conflicting bit-field width">; def err_conflicting_ivar_name : Error< "conflicting instance variable names: %0 vs %1">; def err_inconsistent_ivar_count : Error< "inconsistent number of instance variables specified">; def warn_undef_method_impl : Warning<"method definition for %0 not found">, InGroup>; def warn_objc_boxing_invalid_utf8_string : Warning< "string is ill-formed as UTF-8 and will become a null %0 when boxed">, InGroup; def warn_conflicting_overriding_ret_types : Warning< "conflicting return type in " "declaration of %0%diff{: $ vs $|}1,2">, InGroup, DefaultIgnore; def warn_conflicting_ret_types : Warning< "conflicting return type in " "implementation of %0%diff{: $ vs $|}1,2">, InGroup; def warn_conflicting_overriding_ret_type_modifiers : Warning< "conflicting distributed object modifiers on return type " "in declaration of %0">, InGroup, DefaultIgnore; def warn_conflicting_ret_type_modifiers : Warning< "conflicting distributed object modifiers on return type " "in implementation of %0">, InGroup; def warn_non_covariant_overriding_ret_types : Warning< "conflicting return type in " "declaration of %0: %1 vs %2">, InGroup, DefaultIgnore; def warn_non_covariant_ret_types : Warning< "conflicting return type in " "implementation of %0: %1 vs %2">, InGroup, DefaultIgnore; def warn_conflicting_overriding_param_types : Warning< "conflicting parameter types in " "declaration of %0%diff{: $ vs $|}1,2">, InGroup, DefaultIgnore; def warn_conflicting_param_types : Warning< "conflicting parameter types in " "implementation of %0%diff{: $ vs $|}1,2">, InGroup; def warn_conflicting_param_modifiers : Warning< "conflicting distributed object modifiers on parameter type " "in implementation of %0">, InGroup; def warn_conflicting_overriding_param_modifiers : Warning< "conflicting distributed object modifiers on parameter type " "in declaration of %0">, InGroup, DefaultIgnore; def warn_non_contravariant_overriding_param_types : Warning< "conflicting parameter types in " "declaration of %0: %1 vs %2">, InGroup, DefaultIgnore; def warn_non_contravariant_param_types : Warning< "conflicting parameter types in " "implementation of %0: %1 vs %2">, InGroup, DefaultIgnore; def warn_conflicting_overriding_variadic :Warning< "conflicting variadic declaration of method and its " "implementation">, InGroup, DefaultIgnore; def warn_conflicting_variadic :Warning< "conflicting variadic declaration of method and its " "implementation">; def warn_category_method_impl_match:Warning< "category is implementing a method which will also be implemented" " by its primary class">, InGroup; def warn_implements_nscopying : Warning< "default assign attribute on property %0 which implements " "NSCopying protocol is not appropriate with -fobjc-gc[-only]">; def warn_multiple_method_decl : Warning<"multiple methods named %0 found">, InGroup; def warn_strict_multiple_method_decl : Warning< "multiple methods named %0 found">, InGroup, DefaultIgnore; def warn_accessor_property_type_mismatch : Warning< "type of property %0 does not match type of accessor %1">; def note_conv_function_declared_at : Note<"type conversion function declared here">; def note_method_declared_at : Note<"method %0 declared here">; def note_property_attribute : Note<"property %0 is declared " "%select{deprecated|unavailable|partial}1 here">; def err_setter_type_void : Error<"type of setter must be void">; def err_duplicate_method_decl : Error<"duplicate declaration of method %0">; def warn_duplicate_method_decl : Warning<"multiple declarations of method %0 found and ignored">, InGroup, DefaultIgnore; def warn_objc_cdirective_format_string : Warning<"using %0 directive in %select{NSString|CFString}1 " "which is being passed as a formatting argument to the formatting " "%select{method|CFfunction}2">, InGroup, DefaultIgnore; def err_objc_var_decl_inclass : Error<"cannot declare variable inside @interface or @protocol">; def err_missing_method_context : Error< "missing context for method declaration">; def err_objc_property_attr_mutually_exclusive : Error< "property attributes '%0' and '%1' are mutually exclusive">; def err_objc_property_requires_object : Error< "property with '%0' attribute must be of object type">; def warn_objc_property_assign_on_object : Warning< "'assign' property of object type may become a dangling reference; consider using 'unsafe_unretained'">, InGroup, DefaultIgnore; def warn_objc_property_no_assignment_attribute : Warning< "no 'assign', 'retain', or 'copy' attribute is specified - " "'assign' is assumed">, InGroup; def warn_objc_isa_use : Warning< "direct access to Objective-C's isa is deprecated in favor of " "object_getClass()">, InGroup; def warn_objc_isa_assign : Warning< "assignment to Objective-C's isa is deprecated in favor of " "object_setClass()">, InGroup; def warn_objc_pointer_masking : Warning< "bitmasking for introspection of Objective-C object pointers is strongly " "discouraged">, InGroup; def warn_objc_pointer_masking_performSelector : Warning, InGroup; def warn_objc_property_default_assign_on_object : Warning< "default property attribute 'assign' not appropriate for object">, InGroup; def warn_property_attr_mismatch : Warning< "property attribute in class extension does not match the primary class">, InGroup; def warn_property_implicitly_mismatched : Warning < "primary property declaration is implicitly strong while redeclaration " "in class extension is weak">, InGroup>; def warn_objc_property_copy_missing_on_block : Warning< "'copy' attribute must be specified for the block property " "when -fobjc-gc-only is specified">; def warn_objc_property_retain_of_block : Warning< "retain'ed block property does not copy the block " "- use copy attribute instead">, InGroup; def warn_objc_readonly_property_has_setter : Warning< "setter cannot be specified for a readonly property">, InGroup; def warn_atomic_property_rule : Warning< "writable atomic property %0 cannot pair a synthesized %select{getter|setter}1 " "with a user defined %select{getter|setter}2">, InGroup>; def note_atomic_property_fixup_suggest : Note<"setter and getter must both be " "synthesized, or both be user defined,or the property must be nonatomic">; def err_atomic_property_nontrivial_assign_op : Error< "atomic property of reference type %0 cannot have non-trivial assignment" " operator">; def warn_cocoa_naming_owned_rule : Warning< "property follows Cocoa naming" " convention for returning 'owned' objects">, InGroup>; def err_cocoa_naming_owned_rule : Error< "property follows Cocoa naming" " convention for returning 'owned' objects">; def note_cocoa_naming_declare_family : Note< "explicitly declare getter %objcinstance0 with '%1' to return an 'unowned' " "object">; def warn_auto_synthesizing_protocol_property :Warning< "auto property synthesis will not synthesize property %0" " declared in protocol %1">, InGroup>; def note_add_synthesize_directive : Note< "add a '@synthesize' directive">; def warn_no_autosynthesis_shared_ivar_property : Warning < "auto property synthesis will not synthesize property " "%0 because it cannot share an ivar with another synthesized property">, InGroup; def warn_no_autosynthesis_property : Warning< "auto property synthesis will not synthesize property " "%0 because it is 'readwrite' but it will be synthesized 'readonly' " "via another property">, InGroup; def warn_autosynthesis_property_in_superclass : Warning< "auto property synthesis will not synthesize property " "%0; it will be implemented by its superclass, use @dynamic to " "acknowledge intention">, InGroup; def warn_autosynthesis_property_ivar_match :Warning< "autosynthesized property %0 will use %select{|synthesized}1 instance variable " "%2, not existing instance variable %3">, InGroup>; def warn_missing_explicit_synthesis : Warning < "auto property synthesis is synthesizing property not explicitly synthesized">, InGroup>, DefaultIgnore; def warn_property_getter_owning_mismatch : Warning< "property declared as returning non-retained objects" "; getter returning retained objects">; def warn_property_redecl_getter_mismatch : Warning< "getter name mismatch between property redeclaration (%1) and its original " "declaration (%0)">, InGroup; def err_property_setter_ambiguous_use : Error< "synthesized properties %0 and %1 both claim setter %2 -" " use of this setter will cause unexpected behavior">; def warn_default_atomic_custom_getter_setter : Warning< "atomic by default property %0 has a user defined %select{getter|setter}1 " "(property should be marked 'atomic' if this is intended)">, InGroup, DefaultIgnore; def err_use_continuation_class : Error< "illegal redeclaration of property in class extension %0" " (attribute must be 'readwrite', while its primary must be 'readonly')">; def err_type_mismatch_continuation_class : Error< "type of property %0 in class extension does not match " "property type in primary class">; def err_use_continuation_class_redeclaration_readwrite : Error< "illegal redeclaration of 'readwrite' property in class extension %0" " (perhaps you intended this to be a 'readwrite' redeclaration of a " "'readonly' public property?)">; def err_continuation_class : Error<"class extension has no primary class">; def err_property_type : Error<"property cannot have array or function type %0">; def err_missing_property_context : Error< "missing context for property implementation declaration">; def err_bad_property_decl : Error< "property implementation must have its declaration in interface %0 or one of " "its extensions">; def err_category_property : Error< "property declared in category %0 cannot be implemented in " "class implementation">; def note_property_declare : Note< "property declared here">; def note_protocol_property_declare : Note< "it could also be property " "%select{of type %1|without attribute '%1'|with attribute '%1'|with getter " "%1|with setter %1}0 declared here">; def note_property_synthesize : Note< "property synthesized here">; def err_synthesize_category_decl : Error< "@synthesize not allowed in a category's implementation">; def err_synthesize_on_class_property : Error< "@synthesize not allowed on a class property %0">; def err_missing_property_interface : Error< "property implementation in a category with no category declaration">; def err_bad_category_property_decl : Error< "property implementation must have its declaration in the category %0">; def err_bad_property_context : Error< "property implementation must be in a class or category implementation">; def err_missing_property_ivar_decl : Error< "synthesized property %0 must either be named the same as a compatible" " instance variable or must explicitly name an instance variable">; def err_arc_perform_selector_retains : Error< "performSelector names a selector which retains the object">; def warn_arc_perform_selector_leaks : Warning< "performSelector may cause a leak because its selector is unknown">, InGroup>; def warn_dealloc_in_category : Warning< "-dealloc is being overridden in a category">, InGroup; def err_gc_weak_property_strong_type : Error< "weak attribute declared on a __strong type property in GC mode">; def warn_arc_repeated_use_of_weak : Warning < "weak %select{variable|property|implicit property|instance variable}0 %1 is " "accessed multiple times in this %select{function|method|block|lambda}2 " "but may be unpredictably set to nil; assign to a strong variable to keep " "the object alive">, InGroup, DefaultIgnore; def warn_implicitly_retains_self : Warning < "block implicitly retains 'self'; explicitly mention 'self' to indicate " "this is intended behavior">, InGroup>, DefaultIgnore; def warn_arc_possible_repeated_use_of_weak : Warning < "weak %select{variable|property|implicit property|instance variable}0 %1 may " "be accessed multiple times in this %select{function|method|block|lambda}2 " "and may be unpredictably set to nil; assign to a strong variable to keep " "the object alive">, InGroup, DefaultIgnore; def note_arc_weak_also_accessed_here : Note< "also accessed here">; def err_incomplete_synthesized_property : Error< "cannot synthesize property %0 with incomplete type %1">; def err_property_ivar_type : Error< "type of property %0 (%1) does not match type of instance variable %2 (%3)">; def err_property_accessor_type : Error< "type of property %0 (%1) does not match type of accessor %2 (%3)">; def err_ivar_in_superclass_use : Error< "property %0 attempting to use instance variable %1 declared in super class %2">; def err_weak_property : Error< "existing instance variable %1 for __weak property %0 must be __weak">; def err_strong_property : Error< "existing instance variable %1 for strong property %0 may not be __weak">; def err_dynamic_property_ivar_decl : Error< "dynamic property cannot have instance variable specification">; def err_duplicate_ivar_use : Error< "synthesized properties %0 and %1 both claim instance variable %2">; def err_property_implemented : Error<"property %0 is already implemented">; def warn_objc_missing_super_call : Warning< "method possibly missing a [super %0] call">, InGroup; def err_dealloc_bad_result_type : Error< "dealloc return type must be correctly specified as 'void' under ARC, " "instead of %0">; def warn_undeclared_selector : Warning< "undeclared selector %0">, InGroup, DefaultIgnore; def warn_undeclared_selector_with_typo : Warning< "undeclared selector %0; did you mean %1?">, InGroup, DefaultIgnore; def warn_implicit_atomic_property : Warning< "property is assumed atomic by default">, InGroup, DefaultIgnore; def note_auto_readonly_iboutlet_fixup_suggest : Note< "property should be changed to be readwrite">; def warn_auto_readonly_iboutlet_property : Warning< "readonly IBOutlet property %0 when auto-synthesized may " "not work correctly with 'nib' loader">, InGroup>; def warn_auto_implicit_atomic_property : Warning< "property is assumed atomic when auto-synthesizing the property">, InGroup, DefaultIgnore; def warn_unimplemented_selector: Warning< "no method with selector %0 is implemented in this translation unit">, InGroup, DefaultIgnore; def warn_unimplemented_protocol_method : Warning< "method %0 in protocol %1 not implemented">, InGroup; def warn_multiple_selectors: Warning< "several methods with selector %0 of mismatched types are found " "for the @selector expression">, InGroup, DefaultIgnore; def err_objc_kindof_nonobject : Error< "'__kindof' specifier cannot be applied to non-object type %0">; def err_objc_kindof_wrong_position : Error< "'__kindof' type specifier must precede the declarator">; def err_objc_method_unsupported_param_ret_type : Error< "%0 %select{parameter|return}1 type is unsupported; " "support for vector types for this target is introduced in %2">; def warn_messaging_unqualified_id : Warning< "messaging unqualified id">, DefaultIgnore, InGroup>; // C++ declarations def err_static_assert_expression_is_not_constant : Error< "static_assert expression is not an integral constant expression">; def err_static_assert_failed : Error<"static_assert failed%select{ %1|}0">; def err_static_assert_requirement_failed : Error< "static_assert failed due to requirement '%0'%select{ %2|}1">; def ext_inline_variable : ExtWarn< "inline variables are a C++17 extension">, InGroup; def warn_cxx14_compat_inline_variable : Warning< "inline variables are incompatible with C++ standards before C++17">, DefaultIgnore, InGroup; def warn_inline_namespace_reopened_noninline : Warning< "inline namespace reopened as a non-inline namespace">; def err_inline_namespace_mismatch : Error< "non-inline namespace cannot be reopened as inline">; def err_unexpected_friend : Error< "friends can only be classes or functions">; def ext_enum_friend : ExtWarn< "befriending enumeration type %0 is a C++11 extension">, InGroup; def warn_cxx98_compat_enum_friend : Warning< "befriending enumeration type %0 is incompatible with C++98">, InGroup, DefaultIgnore; def ext_nonclass_type_friend : ExtWarn< "non-class friend type %0 is a C++11 extension">, InGroup; def warn_cxx98_compat_nonclass_type_friend : Warning< "non-class friend type %0 is incompatible with C++98">, InGroup, DefaultIgnore; def err_friend_is_member : Error< "friends cannot be members of the declaring class">; def warn_cxx98_compat_friend_is_member : Warning< "friend declaration naming a member of the declaring class is incompatible " "with C++98">, InGroup, DefaultIgnore; def ext_unelaborated_friend_type : ExtWarn< "unelaborated friend declaration is a C++11 extension; specify " "'%select{struct|interface|union|class|enum}0' to befriend %1">, InGroup; def warn_cxx98_compat_unelaborated_friend_type : Warning< "befriending %1 without '%select{struct|interface|union|class|enum}0' " "keyword is incompatible with C++98">, InGroup, DefaultIgnore; def err_qualified_friend_no_match : Error< "friend declaration of %0 does not match any declaration in %1">; def err_introducing_special_friend : Error< "%plural{[0,2]:must use a qualified name when declaring|3:cannot declare}0" " a %select{constructor|destructor|conversion operator|deduction guide}0 " "as a friend">; def err_tagless_friend_type_template : Error< "friend type templates must use an elaborated type">; def err_no_matching_local_friend : Error< "no matching function found in local scope">; def err_no_matching_local_friend_suggest : Error< "no matching function %0 found in local scope; did you mean %3?">; def err_partial_specialization_friend : Error< "partial specialization cannot be declared as a friend">; def err_qualified_friend_def : Error< "friend function definition cannot be qualified with '%0'">; def err_friend_def_in_local_class : Error< "friend function cannot be defined in a local class">; def err_friend_not_first_in_declaration : Error< "'friend' must appear first in a non-function declaration">; def err_using_decl_friend : Error< "cannot befriend target of using declaration">; def warn_template_qualified_friend_unsupported : Warning< "dependent nested name specifier '%0' for friend class declaration is " "not supported; turning off access control for %1">, InGroup; def warn_template_qualified_friend_ignored : Warning< "dependent nested name specifier '%0' for friend template declaration is " "not supported; ignoring this friend declaration">, InGroup; def ext_friend_tag_redecl_outside_namespace : ExtWarn< "unqualified friend declaration referring to type outside of the nearest " "enclosing namespace is a Microsoft extension; add a nested name specifier">, InGroup; def err_pure_friend : Error<"friend declaration cannot have a pure-specifier">; def err_invalid_base_in_interface : Error< "interface type cannot inherit from " "%select{struct|non-public interface|class}0 %1">; def err_abstract_type_in_decl : Error< "%select{return|parameter|variable|field|instance variable|" "synthesized instance variable}0 type %1 is an abstract class">; def err_allocation_of_abstract_type : Error< "allocating an object of abstract class type %0">; def err_throw_abstract_type : Error< "cannot throw an object of abstract type %0">; def err_array_of_abstract_type : Error<"array of abstract class type %0">; def err_capture_of_abstract_type : Error< "by-copy capture of value of abstract type %0">; def err_capture_of_incomplete_type : Error< "by-copy capture of variable %0 with incomplete type %1">; def err_capture_default_non_local : Error< "non-local lambda expression cannot have a capture-default">; def err_multiple_final_overriders : Error< "virtual function %q0 has more than one final overrider in %1">; def note_final_overrider : Note<"final overrider of %q0 in %1">; def err_type_defined_in_type_specifier : Error< "%0 cannot be defined in a type specifier">; def err_type_defined_in_result_type : Error< "%0 cannot be defined in the result type of a function">; def err_type_defined_in_param_type : Error< "%0 cannot be defined in a parameter type">; def err_type_defined_in_alias_template : Error< "%0 cannot be defined in a type alias template">; def err_type_defined_in_condition : Error< "%0 cannot be defined in a condition">; def err_type_defined_in_enum : Error< "%0 cannot be defined in an enumeration">; def note_pure_virtual_function : Note< "unimplemented pure virtual method %0 in %1">; def note_pure_qualified_call_kext : Note< "qualified call to %0::%1 is treated as a virtual call to %1 due to -fapple-kext">; def err_deleted_decl_not_first : Error< "deleted definition must be first declaration">; def err_deleted_override : Error< "deleted function %0 cannot override a non-deleted function">; def err_non_deleted_override : Error< "non-deleted function %0 cannot override a deleted function">; def warn_weak_vtable : Warning< "%0 has no out-of-line virtual method definitions; its vtable will be " "emitted in every translation unit">, InGroup>, DefaultIgnore; def warn_weak_template_vtable : Warning< "explicit template instantiation %0 will emit a vtable in every " "translation unit">, InGroup>, DefaultIgnore; def ext_using_undefined_std : ExtWarn< "using directive refers to implicitly-defined namespace 'std'">; // C++ exception specifications def err_exception_spec_in_typedef : Error< "exception specifications are not allowed in %select{typedefs|type aliases}0">; def err_distant_exception_spec : Error< "exception specifications are not allowed beyond a single level " "of indirection">; def err_incomplete_in_exception_spec : Error< "%select{|pointer to |reference to }0incomplete type %1 is not allowed " "in exception specification">; def ext_incomplete_in_exception_spec : ExtWarn, InGroup; def err_rref_in_exception_spec : Error< "rvalue reference type %0 is not allowed in exception specification">; def err_mismatched_exception_spec : Error< "exception specification in declaration does not match previous declaration">; def ext_mismatched_exception_spec : ExtWarn, InGroup; def err_override_exception_spec : Error< "exception specification of overriding function is more lax than " "base version">; def ext_override_exception_spec : ExtWarn, InGroup; def err_incompatible_exception_specs : Error< "target exception specification is not superset of source">; def warn_incompatible_exception_specs : Warning< err_incompatible_exception_specs.Text>, InGroup; def err_deep_exception_specs_differ : Error< "exception specifications of %select{return|argument}0 types differ">; def warn_deep_exception_specs_differ : Warning< err_deep_exception_specs_differ.Text>, InGroup; def err_missing_exception_specification : Error< "%0 is missing exception specification '%1'">; def ext_missing_exception_specification : ExtWarn< err_missing_exception_specification.Text>, InGroup>; def ext_ms_missing_exception_specification : ExtWarn< err_missing_exception_specification.Text>, InGroup; def err_noexcept_needs_constant_expression : Error< "argument to noexcept specifier must be a constant expression">; def err_exception_spec_not_parsed : Error< "exception specification is not available until end of class definition">; def err_exception_spec_cycle : Error< "exception specification of %0 uses itself">; def err_exception_spec_incomplete_type : Error< "exception specification needed for member of incomplete class %0">; // C++ access checking def err_class_redeclared_with_different_access : Error< "%0 redeclared with '%1' access">; def err_access : Error< "%1 is a %select{private|protected}0 member of %3">, AccessControl; def ext_ms_using_declaration_inaccessible : ExtWarn< "using declaration referring to inaccessible member '%0' (which refers " "to accessible member '%1') is a Microsoft compatibility extension">, AccessControl, InGroup; def err_access_ctor : Error< "calling a %select{private|protected}0 constructor of class %2">, AccessControl; def ext_rvalue_to_reference_access_ctor : Extension< "C++98 requires an accessible copy constructor for class %2 when binding " "a reference to a temporary; was %select{private|protected}0">, AccessControl, InGroup; def err_access_base_ctor : Error< // The ERRORs represent other special members that aren't constructors, in // hopes that someone will bother noticing and reporting if they appear "%select{base class|inherited virtual base class}0 %1 has %select{private|" "protected}3 %select{default |copy |move |*ERROR* |*ERROR* " "|*ERROR*|}2constructor">, AccessControl; def err_access_field_ctor : Error< // The ERRORs represent other special members that aren't constructors, in // hopes that someone will bother noticing and reporting if they appear "field of type %0 has %select{private|protected}2 " "%select{default |copy |move |*ERROR* |*ERROR* |*ERROR* |}1constructor">, AccessControl; def err_access_friend_function : Error< "friend function %1 is a %select{private|protected}0 member of %3">, AccessControl; def err_access_dtor : Error< "calling a %select{private|protected}1 destructor of class %0">, AccessControl; def err_access_dtor_base : Error<"base class %0 has %select{private|protected}1 destructor">, AccessControl; def err_access_dtor_vbase : Error<"inherited virtual base class %1 has " "%select{private|protected}2 destructor">, AccessControl; def err_access_dtor_temp : Error<"temporary of type %0 has %select{private|protected}1 destructor">, AccessControl; def err_access_dtor_exception : Error<"exception object of type %0 has %select{private|protected}1 " "destructor">, AccessControl; def err_access_dtor_field : Error<"field of type %1 has %select{private|protected}2 destructor">, AccessControl; def err_access_dtor_var : Error<"variable of type %1 has %select{private|protected}2 destructor">, AccessControl; def err_access_dtor_ivar : Error<"instance variable of type %0 has %select{private|protected}1 " "destructor">, AccessControl; def note_previous_access_declaration : Note< "previously declared '%1' here">; def note_access_natural : Note< "%select{|implicitly }1declared %select{private|protected}0 here">; def note_access_constrained_by_path : Note< "constrained by %select{|implicitly }1%select{private|protected}0" " inheritance here">; def note_access_protected_restricted_noobject : Note< "must name member using the type of the current context %0">; def note_access_protected_restricted_ctordtor : Note< "protected %select{constructor|destructor}0 can only be used to " "%select{construct|destroy}0 a base class subobject">; def note_access_protected_restricted_object : Note< "can only access this member on an object of type %0">; def warn_cxx98_compat_sfinae_access_control : Warning< "substitution failure due to access control is incompatible with C++98">, InGroup, DefaultIgnore, NoSFINAE; // C++ name lookup def err_incomplete_nested_name_spec : Error< "incomplete type %0 named in nested name specifier">; def err_dependent_nested_name_spec : Error< "nested name specifier for a declaration cannot depend on a template " "parameter">; def err_nested_name_member_ref_lookup_ambiguous : Error< "lookup of %0 in member access expression is ambiguous">; def ext_nested_name_member_ref_lookup_ambiguous : ExtWarn< "lookup of %0 in member access expression is ambiguous; using member of %1">, InGroup; def note_ambig_member_ref_object_type : Note< "lookup in the object type %0 refers here">; def note_ambig_member_ref_scope : Note< "lookup from the current scope refers here">; def err_qualified_member_nonclass : Error< "qualified member access refers to a member in %0">; def err_incomplete_member_access : Error< "member access into incomplete type %0">; def err_incomplete_type : Error< "incomplete type %0 where a complete type is required">; def warn_cxx98_compat_enum_nested_name_spec : Warning< "enumeration type in nested name specifier is incompatible with C++98">, InGroup, DefaultIgnore; def err_nested_name_spec_is_not_class : Error< "%0 cannot appear before '::' because it is not a class" "%select{ or namespace|, namespace, or enumeration}1; did you mean ':'?">; def ext_nested_name_spec_is_enum : ExtWarn< "use of enumeration in a nested name specifier is a C++11 extension">, InGroup; def err_out_of_line_qualified_id_type_names_constructor : Error< "qualified reference to %0 is a constructor name rather than a " "%select{template name|type}1 in this context">; def ext_out_of_line_qualified_id_type_names_constructor : ExtWarn< "ISO C++ specifies that " "qualified reference to %0 is a constructor name rather than a " "%select{template name|type}1 in this context, despite preceding " "%select{'typename'|'template'}2 keyword">, SFINAEFailure, InGroup>; // C++ class members def err_storageclass_invalid_for_member : Error< "storage class specified for a member declaration">; def err_mutable_function : Error<"'mutable' cannot be applied to functions">; def err_mutable_reference : Error<"'mutable' cannot be applied to references">; def ext_mutable_reference : ExtWarn< "'mutable' on a reference type is a Microsoft extension">, InGroup; def err_mutable_const : Error<"'mutable' and 'const' cannot be mixed">; def err_mutable_nonmember : Error< "'mutable' can only be applied to member variables">; def err_virtual_in_union : Error< "unions cannot have virtual functions">; def err_virtual_non_function : Error< "'virtual' can only appear on non-static member functions">; def err_virtual_out_of_class : Error< "'virtual' can only be specified inside the class definition">; def err_virtual_member_function_template : Error< "'virtual' cannot be specified on member function templates">; def err_static_overrides_virtual : Error< "'static' member function %0 overrides a virtual function in a base class">; def err_explicit_non_function : Error< "'explicit' can only appear on non-static member functions">; def err_explicit_out_of_class : Error< "'explicit' can only be specified inside the class definition">; def err_explicit_non_ctor_or_conv_function : Error< "'explicit' can only be applied to a constructor or conversion function">; def err_static_not_bitfield : Error<"static member %0 cannot be a bit-field">; def err_static_out_of_line : Error< "'static' can only be specified inside the class definition">; def ext_static_out_of_line : ExtWarn< err_static_out_of_line.Text>, InGroup; def err_storage_class_for_static_member : Error< "static data member definition cannot specify a storage class">; def err_typedef_not_bitfield : Error<"typedef member %0 cannot be a bit-field">; def err_not_integral_type_bitfield : Error< "bit-field %0 has non-integral type %1">; def err_not_integral_type_anon_bitfield : Error< "anonymous bit-field has non-integral type %0">; def err_anon_bitfield_qualifiers : Error< "anonymous bit-field cannot have qualifiers">; def err_member_function_initialization : Error< "initializer on function does not look like a pure-specifier">; def err_non_virtual_pure : Error< "%0 is not virtual and cannot be declared pure">; def ext_pure_function_definition : ExtWarn< "function definition with pure-specifier is a Microsoft extension">, InGroup; def err_qualified_member_of_unrelated : Error< "%q0 is not a member of class %1">; def err_member_function_call_bad_cvr : Error< "'this' argument to member function %0 has type %1, but function is not marked " "%select{const|restrict|const or restrict|volatile|const or volatile|" "volatile or restrict|const, volatile, or restrict}2">; def err_member_function_call_bad_ref : Error< "'this' argument to member function %0 is an %select{lvalue|rvalue}1, " "but function has %select{non-const lvalue|rvalue}2 ref-qualifier">; def err_member_function_call_bad_type : Error< "cannot initialize object parameter of type %0 with an expression " "of type %1">; def warn_call_to_pure_virtual_member_function_from_ctor_dtor : Warning< "call to pure virtual member function %0 has undefined behavior; " "overrides of %0 in subclasses are not available in the " "%select{constructor|destructor}1 of %2">, InGroup; def select_special_member_kind : TextSubstitution< "%select{default constructor|copy constructor|move constructor|" "copy assignment operator|move assignment operator|destructor}0">; def note_member_declared_at : Note<"member is declared here">; def note_ivar_decl : Note<"instance variable is declared here">; def note_bitfield_decl : Note<"bit-field is declared here">; def note_implicit_param_decl : Note<"%0 is an implicit parameter">; def note_member_synthesized_at : Note< "in implicit %sub{select_special_member_kind}0 for %1 " "first required here">; def err_missing_default_ctor : Error< "%select{constructor for %1 must explicitly initialize the|" "implicit default constructor for %1 must explicitly initialize the|" "cannot use constructor inherited from base class %4;}0 " "%select{base class|member}2 %3 %select{which|which|of %1}0 " "does not have a default constructor">; def note_due_to_dllexported_class : Note< "due to %0 being dllexported%select{|; try compiling in C++11 mode}1">; def err_illegal_union_or_anon_struct_member : Error< "%select{anonymous struct|union}0 member %1 has a non-trivial " "%sub{select_special_member_kind}2">; def warn_cxx98_compat_nontrivial_union_or_anon_struct_member : Warning< "%select{anonymous struct|union}0 member %1 with a non-trivial " "%sub{select_special_member_kind}2 is incompatible with C++98">, InGroup, DefaultIgnore; def note_nontrivial_virtual_dtor : Note< "destructor for %0 is not trivial because it is virtual">; def note_nontrivial_has_virtual : Note< "because type %0 has a virtual %select{member function|base class}1">; def note_nontrivial_no_def_ctor : Note< "because %select{base class of |field of |}0type %1 has no " "default constructor">; def note_user_declared_ctor : Note< "implicit default constructor suppressed by user-declared constructor">; def note_nontrivial_no_copy : Note< "because no %select{<>|constructor|constructor|assignment operator|" "assignment operator|<>}2 can be used to " "%select{<>|copy|move|copy|move|<>}2 " "%select{base class|field|an object}0 of type %3">; def note_nontrivial_user_provided : Note< "because %select{base class of |field of |}0type %1 has a user-provided " "%sub{select_special_member_kind}2">; def note_nontrivial_in_class_init : Note< "because field %0 has an initializer">; def note_nontrivial_param_type : Note< "because its parameter is %diff{of type $, not $|of the wrong type}2,3">; def note_nontrivial_default_arg : Note<"because it has a default argument">; def note_nontrivial_variadic : Note<"because it is a variadic function">; def note_nontrivial_subobject : Note< "because the function selected to %select{construct|copy|move|copy|move|" "destroy}2 %select{base class|field}0 of type %1 is not trivial">; def note_nontrivial_objc_ownership : Note< "because type %0 has a member with %select{no|no|__strong|__weak|" "__autoreleasing}1 ownership">; def err_static_data_member_not_allowed_in_anon_struct : Error< "static data member %0 not allowed in anonymous struct">; def ext_static_data_member_in_union : ExtWarn< "static data member %0 in union is a C++11 extension">, InGroup; def warn_cxx98_compat_static_data_member_in_union : Warning< "static data member %0 in union is incompatible with C++98">, InGroup, DefaultIgnore; def ext_union_member_of_reference_type : ExtWarn< "union member %0 has reference type %1, which is a Microsoft extension">, InGroup; def err_union_member_of_reference_type : Error< "union member %0 has reference type %1">; def ext_anonymous_struct_union_qualified : Extension< "anonymous %select{struct|union}0 cannot be '%1'">; def err_different_return_type_for_overriding_virtual_function : Error< "virtual function %0 has a different return type " "%diff{($) than the function it overrides (which has return type $)|" "than the function it overrides}1,2">; def note_overridden_virtual_function : Note< "overridden virtual function is here">; def err_conflicting_overriding_cc_attributes : Error< "virtual function %0 has different calling convention attributes " "%diff{($) than the function it overrides (which has calling convention $)|" "than the function it overrides}1,2">; def warn_overriding_method_missing_noescape : Warning< "parameter of overriding method should be annotated with " "__attribute__((noescape))">, InGroup; def note_overridden_marked_noescape : Note< "parameter of overridden method is annotated with __attribute__((noescape))">; def note_cat_conform_to_noescape_prot : Note< "%select{category|class extension}0 conforms to protocol %1 which defines method %2">; def err_covariant_return_inaccessible_base : Error< "invalid covariant return for virtual function: %1 is a " "%select{private|protected}2 base class of %0">, AccessControl; def err_covariant_return_ambiguous_derived_to_base_conv : Error< "return type of virtual function %3 is not covariant with the return type of " "the function it overrides (ambiguous conversion from derived class " "%0 to base class %1:%2)">; def err_covariant_return_not_derived : Error< "return type of virtual function %0 is not covariant with the return type of " "the function it overrides (%1 is not derived from %2)">; def err_covariant_return_incomplete : Error< "return type of virtual function %0 is not covariant with the return type of " "the function it overrides (%1 is incomplete)">; def err_covariant_return_type_different_qualifications : Error< "return type of virtual function %0 is not covariant with the return type of " "the function it overrides (%1 has different qualifiers than %2)">; def err_covariant_return_type_class_type_more_qualified : Error< "return type of virtual function %0 is not covariant with the return type of " "the function it overrides (class type %1 is more qualified than class " "type %2">; // C++ implicit special member functions def note_in_declaration_of_implicit_special_member : Note< "while declaring the implicit %sub{select_special_member_kind}1" " for %0">; // C++ constructors def err_constructor_cannot_be : Error<"constructor cannot be declared '%0'">; def err_invalid_qualified_constructor : Error< "'%0' qualifier is not allowed on a constructor">; def err_ref_qualifier_constructor : Error< "ref-qualifier '%select{&&|&}0' is not allowed on a constructor">; def err_constructor_return_type : Error< "constructor cannot have a return type">; def err_constructor_redeclared : Error<"constructor cannot be redeclared">; def err_constructor_byvalue_arg : Error< "copy constructor must pass its first argument by reference">; def warn_no_constructor_for_refconst : Warning< "%select{struct|interface|union|class|enum}0 %1 does not declare any " "constructor to initialize its non-modifiable members">; def note_refconst_member_not_initialized : Note< "%select{const|reference}0 member %1 will never be initialized">; def ext_ms_explicit_constructor_call : ExtWarn< "explicit constructor calls are a Microsoft extension">, InGroup; // C++ destructors def err_destructor_not_member : Error< "destructor must be a non-static member function">; def err_destructor_cannot_be : Error<"destructor cannot be declared '%0'">; def err_invalid_qualified_destructor : Error< "'%0' qualifier is not allowed on a destructor">; def err_ref_qualifier_destructor : Error< "ref-qualifier '%select{&&|&}0' is not allowed on a destructor">; def err_destructor_return_type : Error<"destructor cannot have a return type">; def err_destructor_redeclared : Error<"destructor cannot be redeclared">; def err_destructor_with_params : Error<"destructor cannot have any parameters">; def err_destructor_variadic : Error<"destructor cannot be variadic">; def err_destructor_typedef_name : Error< "destructor cannot be declared using a %select{typedef|type alias}1 %0 of the class name">; def err_destructor_name : Error< "expected the class name after '~' to name the enclosing class">; def err_destructor_class_name : Error< "expected the class name after '~' to name a destructor">; def err_ident_in_dtor_not_a_type : Error< "identifier %0 in object destruction expression does not name a type">; def err_destructor_expr_type_mismatch : Error< "destructor type %0 in object destruction expression does not match the " "type %1 of the object being destroyed">; def note_destructor_type_here : Note< "type %0 is declared here">; def err_destroy_attr_on_non_static_var : Error< "%select{no_destroy|always_destroy}0 attribute can only be applied to a" " variable with static or thread storage duration">; def err_destructor_template : Error< "destructor cannot be declared as a template">; // C++ initialization def err_init_conversion_failed : Error< "cannot initialize %select{a variable|a parameter|return object|" "statement expression result|an " "exception object|a member subobject|an array element|a new value|a value|a " "base class|a constructor delegation|a vector element|a block element|a " "block element|a complex element|a lambda capture|a compound literal " "initializer|a related result|a parameter of CF audited function}0 " "%diff{of type $ with an %select{rvalue|lvalue}2 of type $|" "with an %select{rvalue|lvalue}2 of incompatible type}1,3" "%select{|: different classes%diff{ ($ vs $)|}5,6" "|: different number of parameters (%5 vs %6)" "|: type mismatch at %ordinal5 parameter%diff{ ($ vs $)|}6,7" "|: different return type%diff{ ($ vs $)|}5,6" "|: different qualifiers (%5 vs %6)" "|: different exception specifications}4">; def err_lvalue_to_rvalue_ref : Error<"rvalue reference %diff{to type $ cannot " "bind to lvalue of type $|cannot bind to incompatible lvalue}0,1">; def err_lvalue_reference_bind_to_initlist : Error< "%select{non-const|volatile}0 lvalue reference to type %1 cannot bind to an " "initializer list temporary">; def err_lvalue_reference_bind_to_temporary : Error< "%select{non-const|volatile}0 lvalue reference %diff{to type $ cannot bind " "to a temporary of type $|cannot bind to incompatible temporary}1,2">; def err_lvalue_reference_bind_to_unrelated : Error< "%select{non-const|volatile}0 lvalue reference " "%diff{to type $ cannot bind to a value of unrelated type $|" "cannot bind to a value of unrelated type}1,2">; def err_reference_bind_drops_quals : Error< "binding reference %diff{of type $ to value of type $|to value}0,1 " "%select{drops %3 qualifier%plural{1:|2:|4:|:s}4|changes address space}2">; def err_reference_bind_failed : Error< "reference %diff{to %select{type|incomplete type}1 $ could not bind to an " "%select{rvalue|lvalue}2 of type $|could not bind to %select{rvalue|lvalue}2 of " "incompatible type}0,3">; def err_reference_bind_temporary_addrspace : Error< "reference of type %0 cannot bind to a temporary object because of " "address space mismatch">; def err_reference_bind_init_list : Error< "reference to type %0 cannot bind to an initializer list">; def err_init_list_bad_dest_type : Error< "%select{|non-aggregate }0type %1 cannot be initialized with an initializer " "list">; def warn_cxx2a_compat_aggregate_init_with_ctors : Warning< "aggregate initialization of type %0 with user-declared constructors " "is incompatible with C++2a">, DefaultIgnore, InGroup; def err_reference_bind_to_bitfield : Error< "%select{non-const|volatile}0 reference cannot bind to " "bit-field%select{| %1}2">; def err_reference_bind_to_vector_element : Error< "%select{non-const|volatile}0 reference cannot bind to vector element">; def err_reference_var_requires_init : Error< "declaration of reference variable %0 requires an initializer">; def err_reference_without_init : Error< "reference to type %0 requires an initializer">; def note_value_initialization_here : Note< "in value-initialization of type %0 here">; def err_reference_has_multiple_inits : Error< "reference cannot be initialized with multiple values">; def err_init_non_aggr_init_list : Error< "initialization of non-aggregate type %0 with an initializer list">; def err_init_reference_member_uninitialized : Error< "reference member of type %0 uninitialized">; def note_uninit_reference_member : Note< "uninitialized reference member is here">; def warn_field_is_uninit : Warning<"field %0 is uninitialized when used here">, InGroup; def warn_base_class_is_uninit : Warning< "base class %0 is uninitialized when used here to access %q1">, InGroup; def warn_reference_field_is_uninit : Warning< "reference %0 is not yet bound to a value when used here">, InGroup; def note_uninit_in_this_constructor : Note< "during field initialization in %select{this|the implicit default}0 " "constructor">; def warn_static_self_reference_in_init : Warning< "static variable %0 is suspiciously used within its own initialization">, InGroup; def warn_uninit_self_reference_in_init : Warning< "variable %0 is uninitialized when used within its own initialization">, InGroup; def warn_uninit_self_reference_in_reference_init : Warning< "reference %0 is not yet bound to a value when used within its own" " initialization">, InGroup; def warn_uninit_var : Warning< "variable %0 is uninitialized when %select{used here|captured by block}1">, InGroup, DefaultIgnore; def warn_sometimes_uninit_var : Warning< "variable %0 is %select{used|captured}1 uninitialized whenever " "%select{'%3' condition is %select{true|false}4|" "'%3' loop %select{is entered|exits because its condition is false}4|" "'%3' loop %select{condition is true|exits because its condition is false}4|" "switch %3 is taken|" "its declaration is reached|" "%3 is called}2">, InGroup, DefaultIgnore; def warn_maybe_uninit_var : Warning< "variable %0 may be uninitialized when " "%select{used here|captured by block}1">, InGroup, DefaultIgnore; def note_var_declared_here : Note<"variable %0 is declared here">; def note_uninit_var_use : Note< "%select{uninitialized use occurs|variable is captured by block}0 here">; def warn_uninit_byref_blockvar_captured_by_block : Warning< "block pointer variable %0 is %select{uninitialized|null}1 when captured by " "block">, InGroup, DefaultIgnore; def note_block_var_fixit_add_initialization : Note< "did you mean to use __block %0?">; def note_in_omitted_aggregate_initializer : Note< "in implicit initialization of %select{" "array element %1 with omitted initializer|" "field %1 with omitted initializer|" "trailing array elements in runtime-sized array new}0">; def note_in_reference_temporary_list_initializer : Note< "in initialization of temporary of type %0 created to " "list-initialize this reference">; def note_var_fixit_add_initialization : Note< "initialize the variable %0 to silence this warning">; def note_uninit_fixit_remove_cond : Note< "remove the %select{'%1' if its condition|condition if it}0 " "is always %select{false|true}2">; def err_init_incomplete_type : Error<"initialization of incomplete type %0">; def err_list_init_in_parens : Error< "cannot initialize %select{non-class|reference}0 type %1 with a " "parenthesized initializer list">; def warn_unsequenced_mod_mod : Warning< "multiple unsequenced modifications to %0">, InGroup; def warn_unsequenced_mod_use : Warning< "unsequenced modification and access to %0">, InGroup; def select_initialized_entity_kind : TextSubstitution< "%select{copying variable|copying parameter|" "returning object|initializing statement expression result|" "throwing object|copying member subobject|copying array element|" "allocating object|copying temporary|initializing base subobject|" "initializing vector element|capturing value}0">; def err_temp_copy_no_viable : Error< "no viable constructor %sub{select_initialized_entity_kind}0 of type %1">; def ext_rvalue_to_reference_temp_copy_no_viable : Extension< "no viable constructor %sub{select_initialized_entity_kind}0 of type %1; " "C++98 requires a copy constructor when binding a reference to a temporary">, InGroup; def err_temp_copy_ambiguous : Error< "ambiguous constructor call when %sub{select_initialized_entity_kind}0 " "of type %1">; def err_temp_copy_deleted : Error< "%sub{select_initialized_entity_kind}0 of type %1 " "invokes deleted constructor">; def err_temp_copy_incomplete : Error< "copying a temporary object of incomplete type %0">; def warn_cxx98_compat_temp_copy : Warning< "%sub{select_initialized_entity_kind}1 " "of type %2 when binding a reference to a temporary would %select{invoke " "an inaccessible constructor|find no viable constructor|find ambiguous " "constructors|invoke a deleted constructor}0 in C++98">, InGroup, DefaultIgnore; def err_selected_explicit_constructor : Error< "chosen constructor is explicit in copy-initialization">; def note_explicit_ctor_deduction_guide_here : Note< "explicit %select{constructor|deduction guide}0 declared here">; // C++11 decltype def err_decltype_in_declarator : Error< "'decltype' cannot be used to name a declaration">; // C++11 auto def warn_cxx98_compat_auto_type_specifier : Warning< "'auto' type specifier is incompatible with C++98">, InGroup, DefaultIgnore; def err_auto_variable_cannot_appear_in_own_initializer : Error< "variable %0 declared with deduced type %1 " "cannot appear in its own initializer">; def err_binding_cannot_appear_in_own_initializer : Error< "binding %0 cannot appear in the initializer of its own " "decomposition declaration">; def err_illegal_decl_array_of_auto : Error< "'%0' declared as array of %1">; def err_new_array_of_auto : Error< "cannot allocate array of 'auto'">; def err_auto_not_allowed : Error< "%select{'auto'|'decltype(auto)'|'__auto_type'|" "use of " "%select{class template|function template|variable template|alias template|" "template template parameter|concept|template}2 %3 requires template " "arguments; argument deduction}0 not allowed " "%select{in function prototype" "|in non-static struct member|in struct member" "|in non-static union member|in union member" "|in non-static class member|in interface member" "|in exception declaration|in template parameter until C++17|in block literal" "|in template argument|in typedef|in type alias|in function return type" "|in conversion function type|here|in lambda parameter" "|in type allocated by 'new'|in K&R-style function parameter" "|in template parameter|in friend declaration}1">; def err_dependent_deduced_tst : Error< "typename specifier refers to " "%select{class template|function template|variable template|alias template|" "template template parameter|template}0 member in %1; " "argument deduction not allowed here">; def err_auto_not_allowed_var_inst : Error< "'auto' variable template instantiation is not allowed">; def err_auto_var_requires_init : Error< "declaration of variable %0 with deduced type %1 requires an initializer">; def err_auto_new_requires_ctor_arg : Error< "new expression for type %0 requires a constructor argument">; def ext_auto_new_list_init : Extension< "ISO C++ standards before C++17 do not allow new expression for " "type %0 to use list-initialization">, InGroup; def err_auto_var_init_no_expression : Error< "initializer for variable %0 with type %1 is empty">; def err_auto_var_init_multiple_expressions : Error< "initializer for variable %0 with type %1 contains multiple expressions">; def err_auto_var_init_paren_braces : Error< "cannot deduce type for variable %1 with type %2 from " "%select{parenthesized|nested}0 initializer list">; def err_auto_new_ctor_multiple_expressions : Error< "new expression for type %0 contains multiple constructor arguments">; def err_auto_missing_trailing_return : Error< "'auto' return without trailing return type; deduced return types are a " "C++14 extension">; def err_deduced_return_type : Error< "deduced return types are a C++14 extension">; def err_trailing_return_without_auto : Error< "function with trailing return type must specify return type 'auto', not %0">; def err_trailing_return_in_parens : Error< "trailing return type may not be nested within parentheses">; def err_auto_var_deduction_failure : Error< "variable %0 with type %1 has incompatible initializer of type %2">; def err_auto_var_deduction_failure_from_init_list : Error< "cannot deduce actual type for variable %0 with type %1 from initializer list">; def err_auto_new_deduction_failure : Error< "new expression for type %0 has incompatible constructor argument of type %1">; def err_auto_inconsistent_deduction : Error< "deduced conflicting types %diff{($ vs $) |}0,1" "for initializer list element type">; def err_auto_different_deductions : Error< "%select{'auto'|'decltype(auto)'|'__auto_type'|template arguments}0 " "deduced as %1 in declaration of %2 and " "deduced as %3 in declaration of %4">; def err_auto_non_deduced_not_alone : Error< "%select{function with deduced return type|" "declaration with trailing return type}0 " "must be the only declaration in its group">; def err_implied_std_initializer_list_not_found : Error< "cannot deduce type of initializer list because std::initializer_list was " "not found; include ">; def err_malformed_std_initializer_list : Error< "std::initializer_list must be a class template with a single type parameter">; def err_auto_init_list_from_c : Error< "cannot use __auto_type with initializer list in C">; def err_auto_bitfield : Error< "cannot pass bit-field as __auto_type initializer in C">; // C++1y decltype(auto) type def err_decltype_auto_invalid : Error< "'decltype(auto)' not allowed here">; def err_decltype_auto_cannot_be_combined : Error< "'decltype(auto)' cannot be combined with other type specifiers">; def err_decltype_auto_function_declarator_not_declaration : Error< "'decltype(auto)' can only be used as a return type " "in a function declaration">; def err_decltype_auto_compound_type : Error< "cannot form %select{pointer to|reference to|array of}0 'decltype(auto)'">; def err_decltype_auto_initializer_list : Error< "cannot deduce 'decltype(auto)' from initializer list">; // C++17 deduced class template specialization types def err_deduced_class_template_compound_type : Error< "cannot %select{form pointer to|form reference to|form array of|" "form function returning|use parentheses when declaring variable with}0 " "deduced class template specialization type">; def err_deduced_non_class_template_specialization_type : Error< "%select{|function template|variable template|alias template|" "template template parameter|concept|template}0 %1 requires template " "arguments; argument deduction only allowed for class templates">; def err_deduced_class_template_ctor_ambiguous : Error< "ambiguous deduction for template arguments of %0">; def err_deduced_class_template_ctor_no_viable : Error< "no viable constructor or deduction guide for deduction of " "template arguments of %0">; def err_deduced_class_template_incomplete : Error< "template %0 has no definition and no %select{|viable }1deduction guides " "for deduction of template arguments">; def err_deduced_class_template_deleted : Error< "class template argument deduction for %0 selected a deleted constructor">; def err_deduced_class_template_explicit : Error< "class template argument deduction for %0 selected an explicit " "%select{constructor|deduction guide}1 for copy-list-initialization">; def err_deduction_guide_no_trailing_return_type : Error< "deduction guide declaration without trailing return type">; def err_deduction_guide_bad_trailing_return_type : Error< "deduced type %1 of deduction guide is not %select{|written as }2" "a specialization of template %0">; def err_deduction_guide_with_complex_decl : Error< "cannot specify any part of a return type in the " "declaration of a deduction guide">; def err_deduction_guide_invalid_specifier : Error< "deduction guide cannot be declared '%0'">; def err_deduction_guide_name_not_class_template : Error< "cannot specify deduction guide for " "%select{|function template|variable template|alias template|" "template template parameter|concept|dependent template name}0 %1">; def err_deduction_guide_wrong_scope : Error< "deduction guide must be declared in the same scope as template %q0">; def err_deduction_guide_defines_function : Error< "deduction guide cannot have a function definition">; def err_deduction_guide_redeclared : Error< "redeclaration of deduction guide">; def err_deduction_guide_specialized : Error<"deduction guide cannot be " "%select{explicitly instantiated|explicitly specialized}0">; def err_deduction_guide_template_not_deducible : Error< "deduction guide template contains " "%select{a template parameter|template parameters}0 that cannot be " "deduced">; def err_deduction_guide_wrong_access : Error< "deduction guide has different access from the corresponding " "member template">; def note_deduction_guide_template_access : Note< "member template declared %0 here">; def note_deduction_guide_access : Note< "deduction guide declared %0 by intervening access specifier">; def warn_cxx14_compat_class_template_argument_deduction : Warning< "class template argument deduction is incompatible with C++ standards " "before C++17%select{|; for compatibility, use explicit type name %1}0">, InGroup, DefaultIgnore; def warn_ctad_maybe_unsupported : Warning< "%0 may not intend to support class template argument deduction">, InGroup, DefaultIgnore; def note_suppress_ctad_maybe_unsupported : Note< "add a deduction guide to suppress this warning">; // C++14 deduced return types def err_auto_fn_deduction_failure : Error< "cannot deduce return type %0 from returned value of type %1">; def err_auto_fn_different_deductions : Error< "'%select{auto|decltype(auto)}0' in return type deduced as %1 here but " "deduced as %2 in earlier return statement">; def err_auto_fn_used_before_defined : Error< "function %0 with deduced return type cannot be used before it is defined">; def err_auto_fn_no_return_but_not_auto : Error< "cannot deduce return type %0 for function with no return statements">; def err_auto_fn_return_void_but_not_auto : Error< "cannot deduce return type %0 from omitted return expression">; def err_auto_fn_return_init_list : Error< "cannot deduce return type from initializer list">; def err_auto_fn_virtual : Error< "function with deduced return type cannot be virtual">; def warn_cxx11_compat_deduced_return_type : Warning< "return type deduction is incompatible with C++ standards before C++14">, InGroup, DefaultIgnore; // C++11 override control def override_keyword_only_allowed_on_virtual_member_functions : Error< "only virtual member functions can be marked '%0'">; def override_keyword_hides_virtual_member_function : Error< "non-virtual member function marked '%0' hides virtual member " "%select{function|functions}1">; def err_function_marked_override_not_overriding : Error< "%0 marked 'override' but does not override any member functions">; def warn_destructor_marked_not_override_overriding : Warning < "%0 overrides a destructor but is not marked 'override'">, InGroup, DefaultIgnore; def warn_function_marked_not_override_overriding : Warning < "%0 overrides a member function but is not marked 'override'">, InGroup; def err_class_marked_final_used_as_base : Error< "base %0 is marked '%select{final|sealed}1'">; def warn_abstract_final_class : Warning< "abstract class is marked '%select{final|sealed}0'">, InGroup; // C++11 attributes def err_repeat_attribute : Error<"%0 attribute cannot be repeated">; // C++11 final def err_final_function_overridden : Error< "declaration of %0 overrides a '%select{final|sealed}1' function">; // C++11 scoped enumerations def err_enum_invalid_underlying : Error< "non-integral type %0 is an invalid underlying type">; def err_enumerator_too_large : Error< "enumerator value is not representable in the underlying type %0">; def ext_enumerator_too_large : Extension< "enumerator value is not representable in the underlying type %0">, InGroup; def err_enumerator_wrapped : Error< "enumerator value %0 is not representable in the underlying type %1">; def err_enum_redeclare_type_mismatch : Error< "enumeration redeclared with different underlying type %0 (was %1)">; def err_enum_redeclare_fixed_mismatch : Error< "enumeration previously declared with %select{non|}0fixed underlying type">; def err_enum_redeclare_scoped_mismatch : Error< "enumeration previously declared as %select{un|}0scoped">; def err_enum_class_reference : Error< "reference to %select{|scoped }0enumeration must use 'enum' " "not 'enum class'">; def err_only_enums_have_underlying_types : Error< "only enumeration types have underlying types">; def err_underlying_type_of_incomplete_enum : Error< "cannot determine underlying type of incomplete enumeration type %0">; // C++11 delegating constructors def err_delegating_ctor : Error< "delegating constructors are permitted only in C++11">; def warn_cxx98_compat_delegating_ctor : Warning< "delegating constructors are incompatible with C++98">, InGroup, DefaultIgnore; def err_delegating_initializer_alone : Error< "an initializer for a delegating constructor must appear alone">; def warn_delegating_ctor_cycle : Warning< "constructor for %0 creates a delegation cycle">, DefaultError, InGroup; def note_it_delegates_to : Note<"it delegates to">; def note_which_delegates_to : Note<"which delegates to">; // C++11 range-based for loop def err_for_range_decl_must_be_var : Error< "for range declaration must declare a variable">; def err_for_range_storage_class : Error< "loop variable %0 may not be declared %select{'extern'|'static'|" "'__private_extern__'|'auto'|'register'|'constexpr'}1">; def err_type_defined_in_for_range : Error< "types may not be defined in a for range declaration">; def err_for_range_deduction_failure : Error< "cannot use type %0 as a range">; def err_for_range_incomplete_type : Error< "cannot use incomplete type %0 as a range">; def err_for_range_iter_deduction_failure : Error< "cannot use type %0 as an iterator">; def ext_for_range_begin_end_types_differ : ExtWarn< "'begin' and 'end' returning different types (%0 and %1) is a C++17 extension">, InGroup; def warn_for_range_begin_end_types_differ : Warning< "'begin' and 'end' returning different types (%0 and %1) is incompatible " "with C++ standards before C++17">, InGroup, DefaultIgnore; def note_in_for_range: Note< "when looking up '%select{begin|end}0' function for range expression " "of type %1">; def err_for_range_invalid: Error< "invalid range expression of type %0; no viable '%select{begin|end}1' " "function available">; def note_for_range_member_begin_end_ignored : Note< "member is not a candidate because range type %0 has no '%select{end|begin}1' member">; def err_range_on_array_parameter : Error< "cannot build range expression with array function parameter %0 since " "parameter with array type %1 is treated as pointer type %2">; def err_for_range_dereference : Error< "invalid range expression of type %0; did you mean to dereference it " "with '*'?">; def note_for_range_invalid_iterator : Note < "in implicit call to 'operator%select{!=|*|++}0' for iterator of type %1">; def note_for_range_begin_end : Note< "selected '%select{begin|end}0' %select{function|template }1%2 with iterator type %3">; def warn_for_range_const_reference_copy : Warning< "loop variable %0 " "%diff{has type $ but is initialized with type $" "| is initialized with a value of a different type}1,2 resulting in a copy">, InGroup, DefaultIgnore; def note_use_type_or_non_reference : Note< "use non-reference type %0 to keep the copy or type %1 to prevent copying">; def warn_for_range_variable_always_copy : Warning< "loop variable %0 is always a copy because the range of type %1 does not " "return a reference">, InGroup, DefaultIgnore; def note_use_non_reference_type : Note<"use non-reference type %0">; def warn_for_range_copy : Warning< "loop variable %0 of type %1 creates a copy from type %2">, InGroup, DefaultIgnore; def note_use_reference_type : Note<"use reference type %0 to prevent copying">; def err_objc_for_range_init_stmt : Error< "initialization statement is not supported when iterating over Objective-C " "collection">; // C++11 constexpr def warn_cxx98_compat_constexpr : Warning< "'constexpr' specifier is incompatible with C++98">, InGroup, DefaultIgnore; // FIXME: Maybe this should also go in -Wc++14-compat? def warn_cxx14_compat_constexpr_not_const : Warning< "'constexpr' non-static member function will not be implicitly 'const' " "in C++14; add 'const' to avoid a change in behavior">, InGroup>; def err_invalid_constexpr : Error< "%select{function parameter|typedef|non-static data member}0 " "cannot be %select{constexpr|consteval}1">; def err_invalid_constexpr_member : Error<"non-static data member cannot be " "constexpr%select{; did you intend to make it %select{const|static}0?|}1">; def err_constexpr_tag : Error< "%select{class|struct|interface|union|enum}0 " "cannot be marked %select{constexpr|consteval}1">; def err_constexpr_dtor : Error< "destructor cannot be marked %select{constexpr|consteval}0">; def err_constexpr_wrong_decl_kind : Error< "%select{constexpr|consteval}0 can only be used " "in %select{variable and |}0function declarations">; def err_invalid_constexpr_var_decl : Error< "constexpr variable declaration must be a definition">; def err_constexpr_static_mem_var_requires_init : Error< "declaration of constexpr static data member %0 requires an initializer">; def err_constexpr_var_non_literal : Error< "constexpr variable cannot have non-literal type %0">; def err_constexpr_var_requires_const_init : Error< "constexpr variable %0 must be initialized by a constant expression">; def err_constexpr_redecl_mismatch : Error< "%select{non-constexpr|constexpr|consteval}1 declaration of %0" " follows %select{non-constexpr|constexpr|consteval}2 declaration">; def err_constexpr_virtual : Error<"virtual function cannot be constexpr">; def warn_cxx17_compat_constexpr_virtual : Warning< "virtual constexpr functions are incompatible with " "C++ standards before C++2a">, InGroup, DefaultIgnore; def err_constexpr_virtual_base : Error< "constexpr %select{member function|constructor}0 not allowed in " "%select{struct|interface|class}1 with virtual base " "%plural{1:class|:classes}2">; def note_non_literal_incomplete : Note< "incomplete type %0 is not a literal type">; def note_non_literal_virtual_base : Note<"%select{struct|interface|class}0 " "with virtual base %plural{1:class|:classes}1 is not a literal type">; def note_constexpr_virtual_base_here : Note<"virtual base class declared here">; def err_constexpr_non_literal_return : Error< "%select{constexpr|consteval}0 function's return type %1 is not a literal type">; def err_constexpr_non_literal_param : Error< "%select{constexpr|consteval}2 %select{function|constructor}1's %ordinal0 parameter type %3 is " "not a literal type">; def err_constexpr_body_invalid_stmt : Error< "statement not allowed in %select{constexpr|consteval}1 %select{function|constructor}0">; def ext_constexpr_body_invalid_stmt : ExtWarn< "use of this statement in a constexpr %select{function|constructor}0 " "is a C++14 extension">, InGroup; def warn_cxx11_compat_constexpr_body_invalid_stmt : Warning< "use of this statement in a constexpr %select{function|constructor}0 " "is incompatible with C++ standards before C++14">, InGroup, DefaultIgnore; def ext_constexpr_body_invalid_stmt_cxx2a : ExtWarn< "use of this statement in a constexpr %select{function|constructor}0 " "is a C++2a extension">, InGroup; def warn_cxx17_compat_constexpr_body_invalid_stmt : Warning< "use of this statement in a constexpr %select{function|constructor}0 " "is incompatible with C++ standards before C++2a">, InGroup, DefaultIgnore; def ext_constexpr_type_definition : ExtWarn< "type definition in a constexpr %select{function|constructor}0 " "is a C++14 extension">, InGroup; def warn_cxx11_compat_constexpr_type_definition : Warning< "type definition in a constexpr %select{function|constructor}0 " "is incompatible with C++ standards before C++14">, InGroup, DefaultIgnore; def err_constexpr_vla : Error< "variably-modified type %0 cannot be used in a constexpr " "%select{function|constructor}1">; def ext_constexpr_local_var : ExtWarn< "variable declaration in a constexpr %select{function|constructor}0 " "is a C++14 extension">, InGroup; def warn_cxx11_compat_constexpr_local_var : Warning< "variable declaration in a constexpr %select{function|constructor}0 " "is incompatible with C++ standards before C++14">, InGroup, DefaultIgnore; def err_constexpr_local_var_static : Error< "%select{static|thread_local}1 variable not permitted in a constexpr " "%select{function|constructor}0">; def err_constexpr_local_var_non_literal_type : Error< "variable of non-literal type %1 cannot be defined in a constexpr " "%select{function|constructor}0">; def err_constexpr_local_var_no_init : Error< "variables defined in a constexpr %select{function|constructor}0 must be " "initialized">; def ext_constexpr_function_never_constant_expr : ExtWarn< "constexpr %select{function|constructor}0 never produces a " "constant expression">, InGroup>, DefaultError; def err_attr_cond_never_constant_expr : Error< "%0 attribute expression never produces a constant expression">; def err_diagnose_if_invalid_diagnostic_type : Error< "invalid diagnostic type for 'diagnose_if'; use \"error\" or \"warning\" " "instead">; def err_constexpr_body_no_return : Error< "no return statement in %select{constexpr|consteval}0 function">; def err_constexpr_return_missing_expr : Error< "non-void %select{constexpr|consteval}1 function %0 should return a value">; def warn_cxx11_compat_constexpr_body_no_return : Warning< "constexpr function with no return statements is incompatible with C++ " "standards before C++14">, InGroup, DefaultIgnore; def ext_constexpr_body_multiple_return : ExtWarn< "multiple return statements in constexpr function is a C++14 extension">, InGroup; def warn_cxx11_compat_constexpr_body_multiple_return : Warning< "multiple return statements in constexpr function " "is incompatible with C++ standards before C++14">, InGroup, DefaultIgnore; def note_constexpr_body_previous_return : Note< "previous return statement is here">; def err_constexpr_function_try_block : Error< "function try block not allowed in constexpr %select{function|constructor}0">; // c++2a function try blocks in constexpr def ext_constexpr_function_try_block_cxx2a : ExtWarn< "function try block in constexpr %select{function|constructor}0 is " "a C++2a extension">, InGroup; def warn_cxx17_compat_constexpr_function_try_block : Warning< "function try block in constexpr %select{function|constructor}0 is " "incompatible with C++ standards before C++2a">, InGroup, DefaultIgnore; def err_constexpr_union_ctor_no_init : Error< "constexpr union constructor does not initialize any member">; def err_constexpr_ctor_missing_init : Error< "constexpr constructor must initialize all members">; def note_constexpr_ctor_missing_init : Note< "member not initialized by constructor">; def note_non_literal_no_constexpr_ctors : Note< "%0 is not literal because it is not an aggregate and has no constexpr " "constructors other than copy or move constructors">; def note_non_literal_base_class : Note< "%0 is not literal because it has base class %1 of non-literal type">; def note_non_literal_field : Note< "%0 is not literal because it has data member %1 of " "%select{non-literal|volatile}3 type %2">; def note_non_literal_user_provided_dtor : Note< "%0 is not literal because it has a user-provided destructor">; def note_non_literal_nontrivial_dtor : Note< "%0 is not literal because it has a non-trivial destructor">; def note_non_literal_lambda : Note< "lambda closure types are non-literal types before C++17">; def warn_private_extern : Warning< "use of __private_extern__ on a declaration may not produce external symbol " "private to the linkage unit and is deprecated">, InGroup; def note_private_extern : Note< "use __attribute__((visibility(\"hidden\"))) attribute instead">; // C++ Concepts def err_concept_initialized_with_non_bool_type : Error< "constraint expression must be of type 'bool' but is of type %0">; def err_concept_decls_may_only_appear_in_global_namespace_scope : Error< "concept declarations may only appear in global or namespace scope">; def err_concept_no_parameters : Error< "concept template parameter list must have at least one parameter; explicit " "specialization of concepts is not allowed">; def err_concept_extra_headers : Error< "extraneous template parameter list in concept definition">; def err_concept_no_associated_constraints : Error< "concept cannot have associated constraints">; def err_concept_not_implemented : Error< "sorry, unimplemented concepts feature %0 used">; def err_template_different_associated_constraints : Error< "associated constraints differ in template redeclaration">; // C++11 char16_t/char32_t def warn_cxx98_compat_unicode_type : Warning< "'%0' type specifier is incompatible with C++98">, InGroup, DefaultIgnore; def warn_cxx17_compat_unicode_type : Warning< "'char8_t' type specifier is incompatible with C++ standards before C++20">, InGroup, DefaultIgnore; // __make_integer_seq def err_integer_sequence_negative_length : Error< "integer sequences must have non-negative sequence length">; def err_integer_sequence_integral_element_type : Error< "integer sequences must have integral element type">; // __type_pack_element def err_type_pack_element_out_of_bounds : Error< "a parameter pack may not be accessed at an out of bounds index">; // Objective-C++ def err_objc_decls_may_only_appear_in_global_scope : Error< "Objective-C declarations may only appear in global scope">; def warn_auto_var_is_id : Warning< "'auto' deduced as 'id' in declaration of %0">, InGroup>; // Attributes def err_nsobject_attribute : Error< "'NSObject' attribute is for pointer types only">; def err_attributes_are_not_compatible : Error< "%0 and %1 attributes are not compatible">; def err_attribute_invalid_argument : Error< "%select{'void'|a reference type|an array type|a non-vector or " "non-vectorizable scalar type}0 is an invalid argument to attribute %1">; def err_attribute_wrong_number_arguments : Error< "%0 attribute %plural{0:takes no arguments|1:takes one argument|" ":requires exactly %1 arguments}1">; def err_attribute_too_many_arguments : Error< "%0 attribute takes no more than %1 argument%s1">; def err_attribute_too_few_arguments : Error< "%0 attribute takes at least %1 argument%s1">; def err_attribute_invalid_vector_type : Error<"invalid vector element type %0">; def err_attribute_bad_neon_vector_size : Error< "Neon vector size must be 64 or 128 bits">; def err_attribute_requires_positive_integer : Error< "%0 attribute requires a %select{positive|non-negative}1 " "integral compile time constant expression">; def err_attribute_requires_opencl_version : Error< "%0 attribute requires OpenCL version %1%select{| or above}2">; def warn_unsupported_target_attribute : Warning<"%select{unsupported|duplicate}0%select{| architecture}1 '%2' in" " the 'target' attribute string; 'target' attribute ignored">, InGroup; def err_attribute_unsupported : Error<"%0 attribute is not supported for this target">; // The err_*_attribute_argument_not_int are separate because they're used by // VerifyIntegerConstantExpression. def err_aligned_attribute_argument_not_int : Error< "'aligned' attribute requires integer constant">; def err_align_value_attribute_argument_not_int : Error< "'align_value' attribute requires integer constant">; def err_alignas_attribute_wrong_decl_type : Error< "%0 attribute cannot be applied to a %select{function parameter|" "variable with 'register' storage class|'catch' variable|bit-field}1">; def err_alignas_missing_on_definition : Error< "%0 must be specified on definition if it is specified on any declaration">; def note_alignas_on_declaration : Note<"declared with %0 attribute here">; def err_alignas_mismatch : Error< "redeclaration has different alignment requirement (%1 vs %0)">; def err_alignas_underaligned : Error< "requested alignment is less than minimum alignment of %1 for type %0">; def err_attribute_argument_n_type : Error< "%0 attribute requires parameter %1 to be %select{int or bool|an integer " "constant|a string|an identifier}2">; def err_attribute_argument_type : Error< "%0 attribute requires %select{int or bool|an integer " "constant|a string|an identifier}1">; def err_attribute_argument_out_of_range : Error< "%0 attribute requires integer constant between %1 and %2 inclusive">; def err_init_priority_object_attr : Error< "can only use 'init_priority' attribute on file-scope definitions " "of objects of class type">; def err_attribute_argument_out_of_bounds : Error< "%0 attribute parameter %1 is out of bounds">; def err_attribute_only_once_per_parameter : Error< "%0 attribute can only be applied once per parameter">; def err_mismatched_uuid : Error<"uuid does not match previous declaration">; def note_previous_uuid : Note<"previous uuid specified here">; def warn_attribute_pointers_only : Warning< "%0 attribute only applies to%select{| constant}1 pointer arguments">, InGroup; def err_attribute_pointers_only : Error; def err_attribute_integers_only : Error< "%0 attribute argument may only refer to a function parameter of integer " "type">; def warn_attribute_return_pointers_only : Warning< "%0 attribute only applies to return values that are pointers">, InGroup; def warn_attribute_return_pointers_refs_only : Warning< "%0 attribute only applies to return values that are pointers or references">, InGroup; def warn_attribute_pointer_or_reference_only : Warning< "%0 attribute only applies to a pointer or reference (%1 is invalid)">, InGroup; def err_attribute_no_member_pointers : Error< "%0 attribute cannot be used with pointers to members">; def err_attribute_invalid_implicit_this_argument : Error< "%0 attribute is invalid for the implicit this argument">; def err_ownership_type : Error< "%0 attribute only applies to %select{pointer|integer}1 arguments">; def err_ownership_returns_index_mismatch : Error< "'ownership_returns' attribute index does not match; here it is %0">; def note_ownership_returns_index_mismatch : Note< "declared with index %0 here">; def err_format_strftime_third_parameter : Error< "strftime format attribute requires 3rd parameter to be 0">; def err_format_attribute_requires_variadic : Error< "format attribute requires variadic function">; def err_format_attribute_not : Error<"format argument not %0">; def err_format_attribute_result_not : Error<"function does not return %0">; def err_format_attribute_implicit_this_format_string : Error< "format attribute cannot specify the implicit this argument as the format " "string">; def err_callback_attribute_no_callee : Error< "'callback' attribute specifies no callback callee">; def err_callback_attribute_invalid_callee : Error< "'callback' attribute specifies invalid callback callee">; def err_callback_attribute_multiple : Error< "multiple 'callback' attributes specified">; def err_callback_attribute_argument_unknown : Error< "'callback' attribute argument %0 is not a known function parameter">; def err_callback_callee_no_function_type : Error< "'callback' attribute callee does not have function type">; def err_callback_callee_is_variadic : Error< "'callback' attribute callee may not be variadic">; def err_callback_implicit_this_not_available : Error< "'callback' argument at position %0 references unavailable implicit 'this'">; def err_init_method_bad_return_type : Error< "init methods must return an object pointer type, not %0">; def err_attribute_invalid_size : Error< "vector size not an integral multiple of component size">; def err_attribute_zero_size : Error<"zero vector size">; def err_attribute_size_too_large : Error<"vector size too large">; def err_typecheck_vector_not_convertable_implict_truncation : Error< "cannot convert between %select{scalar|vector}0 type %1 and vector type" " %2 as implicit conversion would cause truncation">; def err_typecheck_vector_not_convertable : Error< "cannot convert between vector values of different size (%0 and %1)">; def err_typecheck_vector_not_convertable_non_scalar : Error< "cannot convert between vector and non-scalar values (%0 and %1)">; def err_typecheck_vector_lengths_not_equal : Error< "vector operands do not have the same number of elements (%0 and %1)">; def warn_typecheck_vector_element_sizes_not_equal : Warning< "vector operands do not have the same elements sizes (%0 and %1)">, InGroup>, DefaultError; def err_ext_vector_component_exceeds_length : Error< "vector component access exceeds type %0">; def err_ext_vector_component_name_illegal : Error< "illegal vector component name '%0'">; def err_attribute_address_space_negative : Error< "address space is negative">; def err_attribute_address_space_too_high : Error< "address space is larger than the maximum supported (%0)">; def err_attribute_address_multiple_qualifiers : Error< "multiple address spaces specified for type">; def warn_attribute_address_multiple_identical_qualifiers : Warning< "multiple identical address spaces specified for type">, InGroup; def err_attribute_address_function_type : Error< "function type may not be qualified with an address space">; def err_as_qualified_auto_decl : Error< "automatic variable qualified with an%select{| invalid}0 address space">; def err_arg_with_address_space : Error< "parameter may not be qualified with an address space">; def err_field_with_address_space : Error< "field may not be qualified with an address space">; def err_compound_literal_with_address_space : Error< "compound literal in function scope may not be qualified with an address space">; def err_address_space_mismatch_templ_inst : Error< "conflicting address space qualifiers are provided between types %0 and %1">; def err_attr_objc_ownership_redundant : Error< "the type %0 is already explicitly ownership-qualified">; def err_invalid_nsnumber_type : Error< "%0 is not a valid literal type for NSNumber">; def err_objc_illegal_boxed_expression_type : Error< "illegal type %0 used in a boxed expression">; def err_objc_non_trivially_copyable_boxed_expression_type : Error< "non-trivially copyable type %0 cannot be used in a boxed expression">; def err_objc_incomplete_boxed_expression_type : Error< "incomplete type %0 used in a boxed expression">; def err_undeclared_objc_literal_class : Error< "definition of class %0 must be available to use Objective-C " "%select{array literals|dictionary literals|numeric literals|boxed expressions|" "string literals}1">; def err_undeclared_boxing_method : Error< "declaration of %0 is missing in %1 class">; def err_objc_literal_method_sig : Error< "literal construction method %0 has incompatible signature">; def note_objc_literal_method_param : Note< "%select{first|second|third}0 parameter has unexpected type %1 " "(should be %2)">; def note_objc_literal_method_return : Note< "method returns unexpected type %0 (should be an object type)">; def err_invalid_collection_element : Error< "collection element of type %0 is not an Objective-C object">; def err_box_literal_collection : Error< "%select{string|character|boolean|numeric}0 literal must be prefixed by '@' " "in a collection">; def warn_objc_literal_comparison : Warning< "direct comparison of %select{an array literal|a dictionary literal|" "a numeric literal|a boxed expression|}0 has undefined behavior">, InGroup; def err_missing_atsign_prefix : Error< "string literal must be prefixed by '@' ">; def warn_objc_string_literal_comparison : Warning< "direct comparison of a string literal has undefined behavior">, InGroup; def warn_concatenated_nsarray_literal : Warning< "concatenated NSString literal for an NSArray expression - " "possibly missing a comma">, InGroup; def note_objc_literal_comparison_isequal : Note< "use 'isEqual:' instead">; def warn_objc_collection_literal_element : Warning< "object of type %0 is not compatible with " "%select{array element type|dictionary key type|dictionary value type}1 %2">, InGroup; def err_swift_param_attr_not_swiftcall : Error< "'%0' parameter can only be used with swiftcall calling convention">; def err_swift_indirect_result_not_first : Error< "'swift_indirect_result' parameters must be first parameters of function">; def err_swift_error_result_not_after_swift_context : Error< "'swift_error_result' parameter must follow 'swift_context' parameter">; def err_swift_abi_parameter_wrong_type : Error< "'%0' parameter must have pointer%select{| to unqualified pointer}1 type; " "type here is %2">; def err_attribute_argument_invalid : Error< "%0 attribute argument is invalid: %select{max must be 0 since min is 0|" "min must not be greater than max}1">; def err_attribute_argument_is_zero : Error< "%0 attribute must be greater than 0">; def warn_attribute_argument_n_negative : Warning< "%0 attribute parameter %1 is negative and will be ignored">, InGroup; def err_property_function_in_objc_container : Error< "use of Objective-C property in function nested in Objective-C " "container not supported, move function outside its container">; let CategoryName = "Cocoa API Issue" in { def warn_objc_redundant_literal_use : Warning< "using %0 with a literal is redundant">, InGroup; } def err_attr_tlsmodel_arg : Error<"tls_model must be \"global-dynamic\", " "\"local-dynamic\", \"initial-exec\" or \"local-exec\"">; def err_tls_var_aligned_over_maximum : Error< "alignment (%0) of thread-local variable %1 is greater than the maximum supported " "alignment (%2) for a thread-local variable on this target">; def err_only_annotate_after_access_spec : Error< "access specifier can only have annotation attributes">; def err_attribute_section_invalid_for_target : Error< "argument to %select{'code_seg'|'section'}1 attribute is not valid for this target: %0">; def warn_attribute_section_drectve : Warning< "#pragma %0(\".drectve\") has undefined behavior, " "use #pragma comment(linker, ...) instead">, InGroup; def warn_mismatched_section : Warning< "%select{codeseg|section}0 does not match previous declaration">, InGroup
; def warn_attribute_section_on_redeclaration : Warning< "section attribute is specified on redeclared variable">, InGroup
; def err_mismatched_code_seg_base : Error< "derived class must specify the same code segment as its base classes">; def err_mismatched_code_seg_override : Error< "overriding virtual function must specify the same code segment as its overridden function">; def err_conflicting_codeseg_attribute : Error< "conflicting code segment specifiers">; def warn_duplicate_codeseg_attribute : Warning< "duplicate code segment specifiers">, InGroup
; def err_anonymous_property: Error< "anonymous property is not supported">; def err_property_is_variably_modified : Error< "property %0 has a variably modified type">; def err_no_accessor_for_property : Error< "no %select{getter|setter}0 defined for property %1">; def err_cannot_find_suitable_accessor : Error< "cannot find suitable %select{getter|setter}0 for property %1">; def warn_alloca : Warning< "use of function %0 is discouraged; there is no way to check for failure but " "failure may still occur, resulting in a possibly exploitable security vulnerability">, InGroup>, DefaultIgnore; def warn_alloca_align_alignof : Warning< "second argument to __builtin_alloca_with_align is supposed to be in bits">, InGroup>; def err_alignment_too_small : Error< "requested alignment must be %0 or greater">; def err_alignment_too_big : Error< "requested alignment must be %0 or smaller">; def err_alignment_not_power_of_two : Error< "requested alignment is not a power of 2">; def err_alignment_dependent_typedef_name : Error< "requested alignment is dependent but declaration is not dependent">; def err_attribute_aligned_too_great : Error< "requested alignment must be %0 bytes or smaller">; def warn_redeclaration_without_attribute_prev_attribute_ignored : Warning< "%q0 redeclared without %1 attribute: previous %1 ignored">, InGroup; def warn_redeclaration_without_import_attribute : Warning< "%q0 redeclared without 'dllimport' attribute: 'dllexport' attribute added">, InGroup; def warn_dllimport_dropped_from_inline_function : Warning< "%q0 redeclared inline; %1 attribute ignored">, InGroup; def warn_attribute_ignored : Warning<"%0 attribute ignored">, InGroup; def warn_nothrow_attribute_ignored : Warning<"'nothrow' attribute conflicts with" " exception specification; attribute ignored">, InGroup; def warn_attribute_ignored_on_inline : Warning<"%0 attribute ignored on inline function">, InGroup; def warn_nocf_check_attribute_ignored : Warning<"'nocf_check' attribute ignored; use -fcf-protection to enable the attribute">, InGroup; def warn_attribute_after_definition_ignored : Warning< "attribute %0 after definition is ignored">, InGroup; def warn_cxx11_gnu_attribute_on_type : Warning< "attribute %0 ignored, because it cannot be applied to a type">, InGroup; def warn_unhandled_ms_attribute_ignored : Warning< "__declspec attribute %0 is not supported">, InGroup; def err_decl_attribute_invalid_on_stmt : Error< "%0 attribute cannot be applied to a statement">; def err_stmt_attribute_invalid_on_decl : Error< "%0 attribute cannot be applied to a declaration">; def warn_declspec_attribute_ignored : Warning< "attribute %0 is ignored, place it after " "\"%select{class|struct|interface|union|enum}1\" to apply attribute to " "type declaration">, InGroup; def warn_attribute_precede_definition : Warning< "attribute declaration must precede definition">, InGroup; def warn_attribute_void_function_method : Warning< "attribute %0 cannot be applied to " "%select{functions|Objective-C method}1 without return value">, InGroup; def warn_attribute_weak_on_field : Warning< "__weak attribute cannot be specified on a field declaration">, InGroup; def warn_gc_attribute_weak_on_local : Warning< "Objective-C GC does not allow weak variables on the stack">, InGroup; def warn_nsobject_attribute : Warning< "'NSObject' attribute may be put on a typedef only; attribute is ignored">, InGroup; def warn_independentclass_attribute : Warning< "'objc_independent_class' attribute may be put on a typedef only; " "attribute is ignored">, InGroup; def warn_ptr_independentclass_attribute : Warning< "'objc_independent_class' attribute may be put on Objective-C object " "pointer type only; attribute is ignored">, InGroup; def warn_attribute_weak_on_local : Warning< "__weak attribute cannot be specified on an automatic variable when ARC " "is not enabled">, InGroup; def warn_weak_identifier_undeclared : Warning< "weak identifier %0 never declared">; def err_attribute_weak_static : Error< "weak declaration cannot have internal linkage">; def err_attribute_selectany_non_extern_data : Error< "'selectany' can only be applied to data items with external linkage">; def err_declspec_thread_on_thread_variable : Error< "'__declspec(thread)' applied to variable that already has a " "thread-local storage specifier">; def err_attribute_dll_not_extern : Error< "%q0 must have external linkage when declared %q1">; def err_attribute_dll_thread_local : Error< "%q0 cannot be thread local when declared %q1">; def err_attribute_dll_lambda : Error< "lambda cannot be declared %0">; def warn_attribute_invalid_on_definition : Warning< "'%0' attribute cannot be specified on a definition">, InGroup; def err_attribute_dll_redeclaration : Error< "redeclaration of %q0 cannot add %q1 attribute">; def warn_attribute_dll_redeclaration : Warning< "redeclaration of %q0 should not add %q1 attribute">, InGroup>; def err_attribute_dllimport_function_definition : Error< "dllimport cannot be applied to non-inline function definition">; def err_attribute_dll_deleted : Error< "attribute %q0 cannot be applied to a deleted function">; def err_attribute_dllimport_data_definition : Error< "definition of dllimport data">; def err_attribute_dllimport_static_field_definition : Error< "definition of dllimport static field not allowed">; def warn_attribute_dllimport_static_field_definition : Warning< "definition of dllimport static field">, InGroup>; def warn_attribute_dllexport_explicit_instantiation_decl : Warning< "explicit instantiation declaration should not be 'dllexport'">, InGroup>; def warn_attribute_dllexport_explicit_instantiation_def : Warning< "'dllexport' attribute ignored on explicit instantiation definition">, InGroup; def warn_invalid_initializer_from_system_header : Warning< "invalid constructor form class in system header, should not be explicit">, InGroup>; def note_used_in_initialization_here : Note<"used in initialization here">; def err_attribute_dll_member_of_dll_class : Error< "attribute %q0 cannot be applied to member of %q1 class">; def warn_attribute_dll_instantiated_base_class : Warning< "propagating dll attribute to %select{already instantiated|explicitly specialized}0 " "base class template without dll attribute is not supported">, InGroup>, DefaultIgnore; def err_attribute_dll_ambiguous_default_ctor : Error< "'__declspec(dllexport)' cannot be applied to more than one default constructor in %0">; def err_attribute_weakref_not_static : Error< "weakref declaration must have internal linkage">; def err_attribute_weakref_not_global_context : Error< "weakref declaration of %0 must be in a global context">; def err_attribute_weakref_without_alias : Error< "weakref declaration of %0 must also have an alias attribute">; def err_alias_not_supported_on_darwin : Error < "aliases are not supported on darwin">; def warn_attribute_wrong_decl_type_str : Warning< "%0 attribute only applies to %1">, InGroup; def err_attribute_wrong_decl_type_str : Error< warn_attribute_wrong_decl_type_str.Text>; def warn_attribute_wrong_decl_type : Warning< "%0 attribute only applies to %select{" "functions" "|unions" "|variables and functions" "|functions and methods" "|functions, methods and blocks" "|functions, methods, and parameters" "|variables" "|variables and fields" "|variables, data members and tag types" "|types and namespaces" "|variables, functions and classes" "|kernel functions" "|non-K&R-style functions}1">, InGroup; def err_attribute_wrong_decl_type : Error; def warn_type_attribute_wrong_type : Warning< "'%0' only applies to %select{function|pointer|" "Objective-C object or block pointer}1 types; type here is %2">, InGroup; def warn_incomplete_encoded_type : Warning< "encoding of %0 type is incomplete because %1 component has unknown encoding">, InGroup>; def warn_gnu_inline_attribute_requires_inline : Warning< "'gnu_inline' attribute requires function to be marked 'inline'," " attribute ignored">, InGroup; def err_attribute_vecreturn_only_vector_member : Error< "the vecreturn attribute can only be used on a class or structure with one member, which must be a vector">; def err_attribute_vecreturn_only_pod_record : Error< "the vecreturn attribute can only be used on a POD (plain old data) class or structure (i.e. no virtual functions)">; def err_cconv_change : Error< "function declared '%0' here was previously declared " "%select{'%2'|without calling convention}1">; def warn_cconv_unsupported : Warning< "%0 calling convention is not supported %select{" // Use CallingConventionIgnoredReason Enum to specify these. "for this target" "|on variadic function" "|on constructor/destructor" "|on builtin function" "}1">, InGroup; def error_cconv_unsupported : Error; def err_cconv_knr : Error< "function with no prototype cannot use the %0 calling convention">; def warn_cconv_knr : Warning< err_cconv_knr.Text>, InGroup>; def err_cconv_varargs : Error< "variadic function cannot use %0 calling convention">; def err_regparm_mismatch : Error<"function declared with regparm(%0) " "attribute was previously declared " "%plural{0:without the regparm|:with the regparm(%1)}1 attribute">; def err_function_attribute_mismatch : Error< "function declared with %0 attribute " "was previously declared without the %0 attribute">; def err_objc_precise_lifetime_bad_type : Error< "objc_precise_lifetime only applies to retainable types; type here is %0">; def warn_objc_precise_lifetime_meaningless : Error< "objc_precise_lifetime is not meaningful for " "%select{__unsafe_unretained|__autoreleasing}0 objects">; def err_invalid_pcs : Error<"invalid PCS type">; def warn_attribute_not_on_decl : Warning< "%0 attribute ignored when parsing type">, InGroup; def err_base_specifier_attribute : Error< "%0 attribute cannot be applied to a base specifier">; def err_invalid_attribute_on_virtual_function : Error< "%0 attribute cannot be applied to virtual functions">; def warn_declspec_allocator_nonpointer : Warning< "ignoring __declspec(allocator) because the function return type %0 is not " "a pointer or reference type">, InGroup; def err_cconv_incomplete_param_type : Error< "parameter %0 must have a complete type to use function %1 with the %2 " "calling convention">; def ext_cannot_use_trivial_abi : ExtWarn< "'trivial_abi' cannot be applied to %0">, InGroup; // Availability attribute def warn_availability_unknown_platform : Warning< "unknown platform %0 in availability macro">, InGroup; def warn_availability_version_ordering : Warning< "feature cannot be %select{introduced|deprecated|obsoleted}0 in %1 version " "%2 before it was %select{introduced|deprecated|obsoleted}3 in version %4; " "attribute ignored">, InGroup; def warn_mismatched_availability: Warning< "availability does not match previous declaration">, InGroup; def warn_mismatched_availability_override : Warning< "%select{|overriding }4method %select{introduced after|" "deprecated before|obsoleted before}0 " "%select{the protocol method it implements|overridden method}4 " "on %1 (%2 vs. %3)">, InGroup; def warn_mismatched_availability_override_unavail : Warning< "%select{|overriding }1method cannot be unavailable on %0 when " "%select{the protocol method it implements|its overridden method}1 is " "available">, InGroup; def warn_availability_on_static_initializer : Warning< "ignoring availability attribute %select{on '+load' method|" "with constructor attribute|with destructor attribute}0">, InGroup; def note_overridden_method : Note< "overridden method is here">; def warn_availability_swift_unavailable_deprecated_only : Warning< "only 'unavailable' and 'deprecated' are supported for Swift availability">, InGroup; def note_protocol_method : Note< "protocol method is here">; def warn_unguarded_availability : Warning<"%0 is only available on %1 %2 or newer">, InGroup, DefaultIgnore; def warn_unguarded_availability_new : Warning, InGroup; def note_decl_unguarded_availability_silence : Note< "annotate %select{%1|anonymous %1}0 with an availability attribute to silence this warning">; def note_unguarded_available_silence : Note< "enclose %0 in %select{an @available|a __builtin_available}1 check to silence" " this warning">; def warn_at_available_unchecked_use : Warning< "%select{@available|__builtin_available}0 does not guard availability here; " "use if (%select{@available|__builtin_available}0) instead">, InGroup>; // Thread Safety Attributes def warn_invalid_capability_name : Warning< "invalid capability name '%0'; capability name must be 'mutex' or 'role'">, InGroup, DefaultIgnore; def warn_thread_attribute_ignored : Warning< "ignoring %0 attribute because its argument is invalid">, InGroup, DefaultIgnore; def warn_thread_attribute_not_on_non_static_member : Warning< "%0 attribute without capability arguments can only be applied to non-static " "methods of a class">, InGroup, DefaultIgnore; def warn_thread_attribute_not_on_capability_member : Warning< "%0 attribute without capability arguments refers to 'this', but %1 isn't " "annotated with 'capability' or 'scoped_lockable' attribute">, InGroup, DefaultIgnore; def warn_thread_attribute_argument_not_lockable : Warning< "%0 attribute requires arguments whose type is annotated " "with 'capability' attribute; type here is %1">, InGroup, DefaultIgnore; def warn_thread_attribute_decl_not_lockable : Warning< "%0 attribute can only be applied in a context annotated " "with 'capability(\"mutex\")' attribute">, InGroup, DefaultIgnore; def warn_thread_attribute_decl_not_pointer : Warning< "%0 only applies to pointer types; type here is %1">, InGroup, DefaultIgnore; def err_attribute_argument_out_of_bounds_extra_info : Error< "%0 attribute parameter %1 is out of bounds: " "%plural{0:no parameters to index into|" "1:can only be 1, since there is one parameter|" ":must be between 1 and %2}2">; // Thread Safety Analysis def warn_unlock_but_no_lock : Warning<"releasing %0 '%1' that was not held">, InGroup, DefaultIgnore; def warn_unlock_kind_mismatch : Warning< "releasing %0 '%1' using %select{shared|exclusive}2 access, expected " "%select{shared|exclusive}3 access">, InGroup, DefaultIgnore; def warn_double_lock : Warning<"acquiring %0 '%1' that is already held">, InGroup, DefaultIgnore; def warn_no_unlock : Warning< "%0 '%1' is still held at the end of function">, InGroup, DefaultIgnore; def warn_expecting_locked : Warning< "expecting %0 '%1' to be held at the end of function">, InGroup, DefaultIgnore; // FIXME: improve the error message about locks not in scope def warn_lock_some_predecessors : Warning< "%0 '%1' is not held on every path through here">, InGroup, DefaultIgnore; def warn_expecting_lock_held_on_loop : Warning< "expecting %0 '%1' to be held at start of each loop">, InGroup, DefaultIgnore; def note_locked_here : Note<"%0 acquired here">; def warn_lock_exclusive_and_shared : Warning< "%0 '%1' is acquired exclusively and shared in the same scope">, InGroup, DefaultIgnore; def note_lock_exclusive_and_shared : Note< "the other acquisition of %0 '%1' is here">; def warn_variable_requires_any_lock : Warning< "%select{reading|writing}1 variable %0 requires holding " "%select{any mutex|any mutex exclusively}1">, InGroup, DefaultIgnore; def warn_var_deref_requires_any_lock : Warning< "%select{reading|writing}1 the value pointed to by %0 requires holding " "%select{any mutex|any mutex exclusively}1">, InGroup, DefaultIgnore; def warn_fun_excludes_mutex : Warning< "cannot call function '%1' while %0 '%2' is held">, InGroup, DefaultIgnore; def warn_cannot_resolve_lock : Warning< "cannot resolve lock expression">, InGroup, DefaultIgnore; def warn_acquired_before : Warning< "%0 '%1' must be acquired before '%2'">, InGroup, DefaultIgnore; def warn_acquired_before_after_cycle : Warning< "Cycle in acquired_before/after dependencies, starting with '%0'">, InGroup, DefaultIgnore; // Thread safety warnings negative capabilities def warn_acquire_requires_negative_cap : Warning< "acquiring %0 '%1' requires negative capability '%2'">, InGroup, DefaultIgnore; // Thread safety warnings on pass by reference def warn_guarded_pass_by_reference : Warning< "passing variable %1 by reference requires holding %0 " "%select{'%2'|'%2' exclusively}3">, InGroup, DefaultIgnore; def warn_pt_guarded_pass_by_reference : Warning< "passing the value that %1 points to by reference requires holding %0 " "%select{'%2'|'%2' exclusively}3">, InGroup, DefaultIgnore; // Imprecise thread safety warnings def warn_variable_requires_lock : Warning< "%select{reading|writing}3 variable %1 requires holding %0 " "%select{'%2'|'%2' exclusively}3">, InGroup, DefaultIgnore; def warn_var_deref_requires_lock : Warning< "%select{reading|writing}3 the value pointed to by %1 requires " "holding %0 %select{'%2'|'%2' exclusively}3">, InGroup, DefaultIgnore; def warn_fun_requires_lock : Warning< "calling function %1 requires holding %0 %select{'%2'|'%2' exclusively}3">, InGroup, DefaultIgnore; // Precise thread safety warnings def warn_variable_requires_lock_precise : Warning, InGroup, DefaultIgnore; def warn_var_deref_requires_lock_precise : Warning, InGroup, DefaultIgnore; def warn_fun_requires_lock_precise : Warning, InGroup, DefaultIgnore; def note_found_mutex_near_match : Note<"found near match '%0'">; // Verbose thread safety warnings def warn_thread_safety_verbose : Warning<"Thread safety verbose warning.">, InGroup, DefaultIgnore; def note_thread_warning_in_fun : Note<"Thread warning in function %0">; def note_guarded_by_declared_here : Note<"Guarded_by declared here.">; // Dummy warning that will trigger "beta" warnings from the analysis if enabled. def warn_thread_safety_beta : Warning<"Thread safety beta warning.">, InGroup, DefaultIgnore; // Consumed warnings def warn_use_in_invalid_state : Warning< "invalid invocation of method '%0' on object '%1' while it is in the '%2' " "state">, InGroup, DefaultIgnore; def warn_use_of_temp_in_invalid_state : Warning< "invalid invocation of method '%0' on a temporary object while it is in the " "'%1' state">, InGroup, DefaultIgnore; def warn_attr_on_unconsumable_class : Warning< "consumed analysis attribute is attached to member of class '%0' which isn't " "marked as consumable">, InGroup, DefaultIgnore; def warn_return_typestate_for_unconsumable_type : Warning< "return state set for an unconsumable type '%0'">, InGroup, DefaultIgnore; def warn_return_typestate_mismatch : Warning< "return value not in expected state; expected '%0', observed '%1'">, InGroup, DefaultIgnore; def warn_loop_state_mismatch : Warning< "state of variable '%0' must match at the entry and exit of loop">, InGroup, DefaultIgnore; def warn_param_return_typestate_mismatch : Warning< "parameter '%0' not in expected state when the function returns: expected " "'%1', observed '%2'">, InGroup, DefaultIgnore; def warn_param_typestate_mismatch : Warning< "argument not in expected state; expected '%0', observed '%1'">, InGroup, DefaultIgnore; // no_sanitize attribute def warn_unknown_sanitizer_ignored : Warning< "unknown sanitizer '%0' ignored">, InGroup; def warn_impcast_vector_scalar : Warning< "implicit conversion turns vector to scalar: %0 to %1">, InGroup, DefaultIgnore; def warn_impcast_complex_scalar : Warning< "implicit conversion discards imaginary component: %0 to %1">, InGroup, DefaultIgnore; def err_impcast_complex_scalar : Error< "implicit conversion from %0 to %1 is not permitted in C++">; def warn_impcast_float_precision : Warning< "implicit conversion loses floating-point precision: %0 to %1">, InGroup, DefaultIgnore; def warn_impcast_float_result_precision : Warning< "implicit conversion when assigning computation result loses floating-point precision: %0 to %1">, InGroup, DefaultIgnore; def warn_impcast_double_promotion : Warning< "implicit conversion increases floating-point precision: %0 to %1">, InGroup, DefaultIgnore; def warn_impcast_integer_sign : Warning< "implicit conversion changes signedness: %0 to %1">, InGroup, DefaultIgnore; def warn_impcast_integer_sign_conditional : Warning< "operand of ? changes signedness: %0 to %1">, InGroup, DefaultIgnore; def warn_impcast_integer_precision : Warning< "implicit conversion loses integer precision: %0 to %1">, InGroup, DefaultIgnore; def warn_impcast_high_order_zero_bits : Warning< "higher order bits are zeroes after implicit conversion">, InGroup, DefaultIgnore; def warn_impcast_nonnegative_result : Warning< "the resulting value is always non-negative after implicit conversion">, InGroup, DefaultIgnore; def warn_impcast_integer_64_32 : Warning< "implicit conversion loses integer precision: %0 to %1">, InGroup, DefaultIgnore; def warn_impcast_integer_precision_constant : Warning< "implicit conversion from %2 to %3 changes value from %0 to %1">, InGroup; def warn_impcast_bitfield_precision_constant : Warning< "implicit truncation from %2 to bit-field changes value from %0 to %1">, InGroup; def warn_impcast_constant_int_to_objc_bool : Warning< "implicit conversion from constant value %0 to BOOL; " "the only well defined values for BOOL are YES and NO">, InGroup; def warn_impcast_fixed_point_range : Warning< "implicit conversion from %0 cannot fit within the range of values for %1">, InGroup; def warn_impcast_literal_float_to_integer : Warning< "implicit conversion from %0 to %1 changes value from %2 to %3">, InGroup; def warn_impcast_literal_float_to_integer_out_of_range : Warning< "implicit conversion of out of range value from %0 to %1 is undefined">, InGroup; def warn_impcast_float_integer : Warning< "implicit conversion turns floating-point number into integer: %0 to %1">, InGroup, DefaultIgnore; // Implicit int -> float conversion precision loss warnings. def warn_impcast_integer_float_precision : Warning< "implicit conversion from %0 to %1 may lose precision">, InGroup, DefaultIgnore; def warn_impcast_integer_float_precision_constant : Warning< "implicit conversion from %2 to %3 changes value from %0 to %1">, InGroup; def warn_impcast_float_to_integer : Warning< "implicit conversion from %0 to %1 changes value from %2 to %3">, InGroup, DefaultIgnore; def warn_impcast_float_to_integer_out_of_range : Warning< "implicit conversion of out of range value from %0 to %1 is undefined">, InGroup, DefaultIgnore; def warn_impcast_float_to_integer_zero : Warning< "implicit conversion from %0 to %1 changes non-zero value from %2 to %3">, InGroup, DefaultIgnore; def warn_impcast_string_literal_to_bool : Warning< "implicit conversion turns string literal into bool: %0 to %1">, InGroup, DefaultIgnore; def warn_impcast_different_enum_types : Warning< "implicit conversion from enumeration type %0 to different enumeration type " "%1">, InGroup; def warn_impcast_bool_to_null_pointer : Warning< "initialization of pointer of type %0 to null from a constant boolean " "expression">, InGroup; def warn_non_literal_null_pointer : Warning< "expression which evaluates to zero treated as a null pointer constant of " "type %0">, InGroup; def warn_pointer_compare : Warning< "comparing a pointer to a null character constant; did you mean " "to compare to %select{NULL|(void *)0}0?">, InGroup>; def warn_impcast_null_pointer_to_integer : Warning< "implicit conversion of %select{NULL|nullptr}0 constant to %1">, InGroup; def warn_impcast_floating_point_to_bool : Warning< "implicit conversion turns floating-point number into bool: %0 to %1">, InGroup; def ext_ms_impcast_fn_obj : ExtWarn< "implicit conversion between pointer-to-function and pointer-to-object is a " "Microsoft extension">, InGroup; def warn_impcast_pointer_to_bool : Warning< "address of%select{| function| array}0 '%1' will always evaluate to " "'true'">, InGroup; def warn_cast_nonnull_to_bool : Warning< "nonnull %select{function call|parameter}0 '%1' will evaluate to " "'true' on first encounter">, InGroup; def warn_this_bool_conversion : Warning< "'this' pointer cannot be null in well-defined C++ code; pointer may be " "assumed to always convert to true">, InGroup; def warn_address_of_reference_bool_conversion : Warning< "reference cannot be bound to dereferenced null pointer in well-defined C++ " "code; pointer may be assumed to always convert to true">, InGroup; def warn_null_pointer_compare : Warning< "comparison of %select{address of|function|array}0 '%1' %select{not |}2" "equal to a null pointer is always %select{true|false}2">, InGroup; def warn_nonnull_expr_compare : Warning< "comparison of nonnull %select{function call|parameter}0 '%1' " "%select{not |}2equal to a null pointer is '%select{true|false}2' on first " "encounter">, InGroup; def warn_this_null_compare : Warning< "'this' pointer cannot be null in well-defined C++ code; comparison may be " "assumed to always evaluate to %select{true|false}0">, InGroup; def warn_address_of_reference_null_compare : Warning< "reference cannot be bound to dereferenced null pointer in well-defined C++ " "code; comparison may be assumed to always evaluate to " "%select{true|false}0">, InGroup; def note_reference_is_return_value : Note<"%0 returns a reference">; def warn_division_sizeof_ptr : Warning< "'%0' will return the size of the pointer, not the array itself">, InGroup>; def note_function_warning_silence : Note< "prefix with the address-of operator to silence this warning">; def note_function_to_function_call : Note< "suffix with parentheses to turn this into a function call">; def warn_impcast_objective_c_literal_to_bool : Warning< "implicit boolean conversion of Objective-C object literal always " "evaluates to true">, InGroup; def warn_cast_align : Warning< "cast from %0 to %1 increases required alignment from %2 to %3">, InGroup, DefaultIgnore; def warn_old_style_cast : Warning< "use of old-style cast">, InGroup, DefaultIgnore; // Separate between casts to void* and non-void* pointers. // Some APIs use (abuse) void* for something like a user context, // and often that value is an integer even if it isn't a pointer itself. // Having a separate warning flag allows users to control the warning // for their workflow. def warn_int_to_pointer_cast : Warning< "cast to %1 from smaller integer type %0">, InGroup; def warn_int_to_void_pointer_cast : Warning< "cast to %1 from smaller integer type %0">, InGroup; def warn_attribute_ignored_for_field_of_type : Warning< "%0 attribute ignored for field of type %1">, InGroup; def warn_no_underlying_type_specified_for_enum_bitfield : Warning< "enums in the Microsoft ABI are signed integers by default; consider giving " "the enum %0 an unsigned underlying type to make this code portable">, InGroup, DefaultIgnore; def warn_attribute_packed_for_bitfield : Warning< "'packed' attribute was ignored on bit-fields with single-byte alignment " "in older versions of GCC and Clang">, InGroup>; def warn_transparent_union_attribute_field_size_align : Warning< "%select{alignment|size}0 of field %1 (%2 bits) does not match the " "%select{alignment|size}0 of the first field in transparent union; " "transparent_union attribute ignored">, InGroup; def note_transparent_union_first_field_size_align : Note< "%select{alignment|size}0 of first field is %1 bits">; def warn_transparent_union_attribute_not_definition : Warning< "transparent_union attribute can only be applied to a union definition; " "attribute ignored">, InGroup; def warn_transparent_union_attribute_floating : Warning< "first field of a transparent union cannot have %select{floating point|" "vector}0 type %1; transparent_union attribute ignored">, InGroup; def warn_transparent_union_attribute_zero_fields : Warning< "transparent union definition must contain at least one field; " "transparent_union attribute ignored">, InGroup; def warn_attribute_type_not_supported : Warning< "%0 attribute argument not supported: %1">, InGroup; def warn_attribute_unknown_visibility : Warning<"unknown visibility %0">, InGroup; def warn_attribute_protected_visibility : Warning<"target does not support 'protected' visibility; using 'default'">, InGroup>; def err_mismatched_visibility: Error<"visibility does not match previous declaration">; def note_previous_attribute : Note<"previous attribute is here">; def note_conflicting_attribute : Note<"conflicting attribute is here">; def note_attribute : Note<"attribute is here">; def err_mismatched_ms_inheritance : Error< "inheritance model does not match %select{definition|previous declaration}0">; def warn_ignored_ms_inheritance : Warning< "inheritance model ignored on %select{primary template|partial specialization}0">, InGroup; def note_previous_ms_inheritance : Note< "previous inheritance model specified here">; def err_machine_mode : Error<"%select{unknown|unsupported}0 machine mode %1">; def err_mode_not_primitive : Error< "mode attribute only supported for integer and floating-point types">; def err_mode_wrong_type : Error< "type of machine mode does not match type of base type">; def warn_vector_mode_deprecated : Warning< "specifying vector types with the 'mode' attribute is deprecated; " "use the 'vector_size' attribute instead">, InGroup; def err_complex_mode_vector_type : Error< "type of machine mode does not support base vector types">; def err_enum_mode_vector_type : Error< "mode %0 is not supported for enumeration types">; def warn_attribute_nonnull_no_pointers : Warning< "'nonnull' attribute applied to function with no pointer arguments">, InGroup; def warn_attribute_nonnull_parm_no_args : Warning< "'nonnull' attribute when used on parameters takes no arguments">, InGroup; def note_declared_nonnull : Note< "declared %select{'returns_nonnull'|'nonnull'}0 here">; def warn_attribute_sentinel_named_arguments : Warning< "'sentinel' attribute requires named arguments">, InGroup; def warn_attribute_sentinel_not_variadic : Warning< "'sentinel' attribute only supported for variadic %select{functions|blocks}0">, InGroup; def err_attribute_sentinel_less_than_zero : Error< "'sentinel' parameter 1 less than zero">; def err_attribute_sentinel_not_zero_or_one : Error< "'sentinel' parameter 2 not 0 or 1">; def warn_cleanup_ext : Warning< "GCC does not allow the 'cleanup' attribute argument to be anything other " "than a simple identifier">, InGroup; def err_attribute_cleanup_arg_not_function : Error< "'cleanup' argument %select{|%1 |%1 }0is not a %select{||single }0function">; def err_attribute_cleanup_func_must_take_one_arg : Error< "'cleanup' function %0 must take 1 parameter">; def err_attribute_cleanup_func_arg_incompatible_type : Error< "'cleanup' function %0 parameter has " "%diff{type $ which is incompatible with type $|incompatible type}1,2">; def err_attribute_regparm_wrong_platform : Error< "'regparm' is not valid on this platform">; def err_attribute_regparm_invalid_number : Error< "'regparm' parameter must be between 0 and %0 inclusive">; def err_attribute_not_supported_in_lang : Error< "%0 attribute is not supported in %select{C|C++|Objective-C}1">; def err_attribute_not_supported_on_arch : Error<"%0 attribute is not supported on '%1'">; def warn_gcc_ignores_type_attr : Warning< "GCC does not allow the %0 attribute to be written on a type">, InGroup; // Clang-Specific Attributes def warn_attribute_iboutlet : Warning< "%0 attribute can only be applied to instance variables or properties">, InGroup; def err_iboutletcollection_type : Error< "invalid type %0 as argument of iboutletcollection attribute">; def err_iboutletcollection_builtintype : Error< "type argument of iboutletcollection attribute cannot be a builtin type">; def warn_iboutlet_object_type : Warning< "%select{instance variable|property}2 with %0 attribute must " "be an object type (invalid %1)">, InGroup; def warn_iboutletcollection_property_assign : Warning< "IBOutletCollection properties should be copy/strong and not assign">, InGroup; def err_attribute_overloadable_mismatch : Error< "redeclaration of %0 must %select{not |}1have the 'overloadable' attribute">; def note_attribute_overloadable_prev_overload : Note< "previous %select{unmarked |}0overload of function is here">; def err_attribute_overloadable_no_prototype : Error< "'overloadable' function %0 must have a prototype">; def err_attribute_overloadable_multiple_unmarked_overloads : Error< "at most one overload for a given name may lack the 'overloadable' " "attribute">; def warn_ns_attribute_wrong_return_type : Warning< "%0 attribute only applies to %select{functions|methods|properties}1 that " "return %select{an Objective-C object|a pointer|a non-retainable pointer}2">, InGroup; def err_ns_attribute_wrong_parameter_type : Error< "%0 attribute only applies to " "%select{Objective-C object|pointer|pointer-to-CF-pointer}1 parameters">; def warn_ns_attribute_wrong_parameter_type : Warning< "%0 attribute only applies to " "%select{Objective-C object|pointer|pointer-to-CF-pointer|pointer/reference-to-OSObject-pointer}1 parameters">, InGroup; def warn_objc_requires_super_protocol : Warning< "%0 attribute cannot be applied to %select{methods in protocols|dealloc}1">, InGroup>; def note_protocol_decl : Note< "protocol is declared here">; def note_protocol_decl_undefined : Note< "protocol %0 has no definition">; // objc_designated_initializer attribute diagnostics. def warn_objc_designated_init_missing_super_call : Warning< "designated initializer missing a 'super' call to a designated initializer of the super class">, InGroup; def note_objc_designated_init_marked_here : Note< "method marked as designated initializer of the class here">; def warn_objc_designated_init_non_super_designated_init_call : Warning< "designated initializer should only invoke a designated initializer on 'super'">, InGroup; def warn_objc_designated_init_non_designated_init_call : Warning< "designated initializer invoked a non-designated initializer">, InGroup; def warn_objc_secondary_init_super_init_call : Warning< "convenience initializer should not invoke an initializer on 'super'">, InGroup; def warn_objc_secondary_init_missing_init_call : Warning< "convenience initializer missing a 'self' call to another initializer">, InGroup; def warn_objc_implementation_missing_designated_init_override : Warning< "method override for the designated initializer of the superclass %objcinstance0 not found">, InGroup; def err_designated_init_attr_non_init : Error< "'objc_designated_initializer' attribute only applies to init methods " "of interface or class extension declarations">; // objc_bridge attribute diagnostics. def err_objc_attr_not_id : Error< "parameter of %0 attribute must be a single name of an Objective-C %select{class|protocol}1">; def err_objc_attr_typedef_not_id : Error< "parameter of %0 attribute must be 'id' when used on a typedef">; def err_objc_attr_typedef_not_void_pointer : Error< "'objc_bridge(id)' is only allowed on structs and typedefs of void pointers">; def err_objc_cf_bridged_not_interface : Error< "CF object of type %0 is bridged to %1, which is not an Objective-C class">; def err_objc_ns_bridged_invalid_cfobject : Error< "ObjectiveC object of type %0 is bridged to %1, which is not valid CF object">; def warn_objc_invalid_bridge : Warning< "%0 bridges to %1, not %2">, InGroup; def warn_objc_invalid_bridge_to_cf : Warning< "%0 cannot bridge to %1">, InGroup; // objc_bridge_related attribute diagnostics. def err_objc_bridged_related_invalid_class : Error< "could not find Objective-C class %0 to convert %1 to %2">; def err_objc_bridged_related_invalid_class_name : Error< "%0 must be name of an Objective-C class to be able to convert %1 to %2">; def err_objc_bridged_related_known_method : Error< "%0 must be explicitly converted to %1; use %select{%objcclass2|%objcinstance2}3 " "method for this conversion">; def err_objc_attr_protocol_requires_definition : Error< "attribute %0 can only be applied to @protocol definitions, not forward declarations">; def warn_ignored_objc_externally_retained : Warning< "'objc_externally_retained' can only be applied to local variables " "%select{of retainable type|with strong ownership}0">, InGroup; // Function Parameter Semantic Analysis. def err_param_with_void_type : Error<"argument may not have 'void' type">; def err_void_only_param : Error< "'void' must be the first and only parameter if specified">; def err_void_param_qualified : Error< "'void' as parameter must not have type qualifiers">; def err_ident_list_in_fn_declaration : Error< "a parameter list without types is only allowed in a function definition">; def ext_param_not_declared : Extension< "parameter %0 was not declared, defaulting to type 'int'">; def err_param_default_argument : Error< "C does not support default arguments">; def err_param_default_argument_redefinition : Error< "redefinition of default argument">; def ext_param_default_argument_redefinition : ExtWarn< err_param_default_argument_redefinition.Text>, InGroup; def err_param_default_argument_missing : Error< "missing default argument on parameter">; def err_param_default_argument_missing_name : Error< "missing default argument on parameter %0">; def err_param_default_argument_references_param : Error< "default argument references parameter %0">; def err_param_default_argument_references_local : Error< "default argument references local variable %0 of enclosing function">; def err_param_default_argument_references_this : Error< "default argument references 'this'">; def err_param_default_argument_nonfunc : Error< "default arguments can only be specified for parameters in a function " "declaration">; def err_param_default_argument_template_redecl : Error< "default arguments cannot be added to a function template that has already " "been declared">; def err_param_default_argument_member_template_redecl : Error< "default arguments cannot be added to an out-of-line definition of a member " "of a %select{class template|class template partial specialization|nested " "class in a template}0">; def err_param_default_argument_on_parameter_pack : Error< "parameter pack cannot have a default argument">; def err_uninitialized_member_for_assign : Error< "cannot define the implicit copy assignment operator for %0, because " "non-static %select{reference|const}1 member %2 cannot use copy " "assignment operator">; def err_uninitialized_member_in_ctor : Error< "%select{constructor for %1|" "implicit default constructor for %1|" "cannot use constructor inherited from %1:}0 must explicitly " "initialize the %select{reference|const}2 member %3">; def err_default_arg_makes_ctor_special : Error< "addition of default argument on redeclaration makes this constructor a " "%select{default|copy|move}0 constructor">; def err_use_of_default_argument_to_function_declared_later : Error< "use of default argument to function %0 that is declared later in class %1">; def note_default_argument_declared_here : Note< "default argument declared here">; def err_recursive_default_argument : Error<"recursive evaluation of default argument">; def ext_param_promoted_not_compatible_with_prototype : ExtWarn< "%diff{promoted type $ of K&R function parameter is not compatible with the " "parameter type $|promoted type of K&R function parameter is not compatible " "with parameter type}0,1 declared in a previous prototype">, InGroup; // C++ Overloading Semantic Analysis. def err_ovl_diff_return_type : Error< "functions that differ only in their return type cannot be overloaded">; def err_ovl_static_nonstatic_member : Error< "static and non-static member functions with the same parameter types " "cannot be overloaded">; def err_ovl_no_viable_function_in_call : Error< "no matching function for call to %0">; def err_ovl_no_viable_member_function_in_call : Error< "no matching member function for call to %0">; def err_ovl_ambiguous_call : Error< "call to %0 is ambiguous">; def err_ovl_deleted_call : Error<"call to deleted function %0">; def err_ovl_ambiguous_member_call : Error< "call to member function %0 is ambiguous">; def err_ovl_deleted_member_call : Error< "call to deleted member function %0">; def note_ovl_too_many_candidates : Note< "remaining %0 candidate%s0 omitted; " "pass -fshow-overloads=all to show them">; def select_ovl_candidate_kind : TextSubstitution< "%select{function|function|constructor|" "constructor (the implicit default constructor)|" "constructor (the implicit copy constructor)|" "constructor (the implicit move constructor)|" "function (the implicit copy assignment operator)|" "function (the implicit move assignment operator)|" "inherited constructor}0%select{| template| %2}1">; def note_ovl_candidate : Note< "candidate %sub{select_ovl_candidate_kind}0,1,3" "%select{| has different class%diff{ (expected $ but has $)|}5,6" "| has different number of parameters (expected %5 but has %6)" "| has type mismatch at %ordinal5 parameter" "%diff{ (expected $ but has $)|}6,7" "| has different return type%diff{ ($ expected but has $)|}5,6" "| has different qualifiers (expected %5 but found %6)" "| has different exception specification}4">; def note_ovl_candidate_explicit_forbidden : Note< "candidate %0 ignored: cannot be explicit">; def note_explicit_bool_resolved_to_true : Note< "explicit(bool) specifier resolved to true">; def note_ovl_candidate_inherited_constructor : Note< "constructor from base class %0 inherited here">; def note_ovl_candidate_inherited_constructor_slice : Note< "candidate %select{constructor|template}0 ignored: " "inherited constructor cannot be used to %select{copy|move}1 object">; def note_ovl_candidate_illegal_constructor : Note< "candidate %select{constructor|template}0 ignored: " "instantiation %select{takes|would take}0 its own class type by value">; def note_ovl_candidate_illegal_constructor_adrspace_mismatch : Note< "candidate constructor ignored: cannot be used to construct an object " "in address space %0">; def note_ovl_candidate_bad_deduction : Note< "candidate template ignored: failed template argument deduction">; def note_ovl_candidate_incomplete_deduction : Note<"candidate template ignored: " "couldn't infer template argument %0">; def note_ovl_candidate_incomplete_deduction_pack : Note<"candidate template ignored: " "deduced too few arguments for expanded pack %0; no argument for %ordinal1 " "expanded parameter in deduced argument pack %2">; def note_ovl_candidate_inconsistent_deduction : Note< "candidate template ignored: deduced conflicting %select{types|values|" "templates}0 for parameter %1%diff{ ($ vs. $)|}2,3">; def note_ovl_candidate_inconsistent_deduction_types : Note< "candidate template ignored: deduced values %diff{" "of conflicting types for parameter %0 (%1 of type $ vs. %3 of type $)|" "%1 and %3 of conflicting types for parameter %0}2,4">; def note_ovl_candidate_explicit_arg_mismatch_named : Note< "candidate template ignored: invalid explicitly-specified argument " "for template parameter %0">; def note_ovl_candidate_explicit_arg_mismatch_unnamed : Note< "candidate template ignored: invalid explicitly-specified argument " "for %ordinal0 template parameter">; def note_ovl_candidate_instantiation_depth : Note< "candidate template ignored: substitution exceeded maximum template " "instantiation depth">; def note_ovl_candidate_underqualified : Note< "candidate template ignored: cannot deduce a type for %0 that would " "make %2 equal %1">; def note_ovl_candidate_substitution_failure : Note< "candidate template ignored: substitution failure%0%1">; def note_ovl_candidate_disabled_by_enable_if : Note< "candidate template ignored: disabled by %0%1">; def note_ovl_candidate_disabled_by_requirement : Note< "candidate template ignored: requirement '%0' was not satisfied%1">; def note_ovl_candidate_has_pass_object_size_params: Note< "candidate address cannot be taken because parameter %0 has " "pass_object_size attribute">; def err_diagnose_if_succeeded : Error<"%0">; def warn_diagnose_if_succeeded : Warning<"%0">, InGroup, ShowInSystemHeader; def note_ovl_candidate_disabled_by_function_cond_attr : Note< "candidate disabled: %0">; def note_ovl_candidate_disabled_by_extension : Note< "candidate unavailable as it requires OpenCL extension '%0' to be enabled">; def err_addrof_function_disabled_by_enable_if_attr : Error< "cannot take address of function %0 because it has one or more " "non-tautological enable_if conditions">; def note_addrof_ovl_candidate_disabled_by_enable_if_attr : Note< "candidate function made ineligible by enable_if">; def note_ovl_candidate_deduced_mismatch : Note< "candidate template ignored: deduced type " "%diff{$ of %select{|element of }4%ordinal0 parameter does not match " "adjusted type $ of %select{|element of }4argument" "|of %select{|element of }4%ordinal0 parameter does not match " "adjusted type of %select{|element of }4argument}1,2%3">; def note_ovl_candidate_non_deduced_mismatch : Note< "candidate template ignored: could not match %diff{$ against $|types}0,1">; // This note is needed because the above note would sometimes print two // different types with the same name. Remove this note when the above note // can handle that case properly. def note_ovl_candidate_non_deduced_mismatch_qualified : Note< "candidate template ignored: could not match %q0 against %q1">; // Note that we don't treat templates differently for this diagnostic. def note_ovl_candidate_arity : Note<"candidate " "%sub{select_ovl_candidate_kind}0,1,2 not viable: " "requires%select{ at least| at most|}3 %4 argument%s4, but %5 " "%plural{1:was|:were}5 provided">; def note_ovl_candidate_arity_one : Note<"candidate " "%sub{select_ovl_candidate_kind}0,1,2 not viable: " "%select{requires at least|allows at most single|requires single}3 " "argument %4, but %plural{0:no|:%5}5 arguments were provided">; def note_ovl_candidate_deleted : Note< "candidate %sub{select_ovl_candidate_kind}0,1,2 has been " "%select{explicitly made unavailable|explicitly deleted|" "implicitly deleted}3">; // Giving the index of the bad argument really clutters this message, and // it's relatively unimportant because 1) it's generally obvious which // argument(s) are of the given object type and 2) the fix is usually // to complete the type, which doesn't involve changes to the call line // anyway. If people complain, we can change it. def note_ovl_candidate_bad_conv_incomplete : Note< "candidate %sub{select_ovl_candidate_kind}0,1,2 not viable: " "cannot convert argument of incomplete type " "%diff{$ to $|to parameter type}3,4 for " "%select{%ordinal6 argument|object argument}5" "%select{|; dereference the argument with *|" "; take the address of the argument with &|" "; remove *|" "; remove &}7">; def note_ovl_candidate_bad_list_argument : Note< "candidate %sub{select_ovl_candidate_kind}0,1,2 not viable: " "cannot convert initializer list argument to %4">; def note_ovl_candidate_bad_overload : Note< "candidate %sub{select_ovl_candidate_kind}0,1,2 not viable: " "no overload of %4 matching %3 for %ordinal5 argument">; def note_ovl_candidate_bad_conv : Note< "candidate %sub{select_ovl_candidate_kind}0,1,2 not viable: " "no known conversion " "%diff{from $ to $|from argument type to parameter type}3,4 for " "%select{%ordinal6 argument|object argument}5" "%select{|; dereference the argument with *|" "; take the address of the argument with &|" "; remove *|" "; remove &}7">; def note_ovl_candidate_bad_arc_conv : Note< "candidate %sub{select_ovl_candidate_kind}0,1,2 not viable: " "cannot implicitly convert argument " "%diff{of type $ to $|type to parameter type}3,4 for " "%select{%ordinal6 argument|object argument}5 under ARC">; def note_ovl_candidate_bad_lvalue : Note< "candidate %sub{select_ovl_candidate_kind}0,1,2 not viable: " "expects an l-value for " "%select{%ordinal4 argument|object argument}3">; def note_ovl_candidate_bad_addrspace : Note< "candidate %sub{select_ovl_candidate_kind}0,1,2 not viable: " "address space mismatch in %select{%ordinal6|'this'}5 argument (%3), " "parameter type must be %4">; def note_ovl_candidate_bad_gc : Note< "candidate %sub{select_ovl_candidate_kind}0,1,2 not viable: " "%select{%ordinal7|'this'}6 argument (%3) has %select{no|__weak|__strong}4 " "ownership, but parameter has %select{no|__weak|__strong}5 ownership">; def note_ovl_candidate_bad_ownership : Note< "candidate %sub{select_ovl_candidate_kind}0,1,2 not viable: " "%select{%ordinal7|'this'}6 argument (%3) has " "%select{no|__unsafe_unretained|__strong|__weak|__autoreleasing}4 ownership," " but parameter has %select{no|__unsafe_unretained|__strong|__weak|" "__autoreleasing}5 ownership">; def note_ovl_candidate_bad_cvr_this : Note< "candidate %sub{select_ovl_candidate_kind}0,1,2 not viable: " "'this' argument has type %3, but method is not marked " "%select{const|restrict|const or restrict|volatile|const or volatile|" "volatile or restrict|const, volatile, or restrict}4">; def note_ovl_candidate_bad_cvr : Note< "candidate %sub{select_ovl_candidate_kind}0,1,2 not viable: " "%ordinal5 argument (%3) would lose " "%select{const|restrict|const and restrict|volatile|const and volatile|" "volatile and restrict|const, volatile, and restrict}4 qualifier" "%select{||s||s|s|s}4">; def note_ovl_candidate_bad_unaligned : Note< "candidate %sub{select_ovl_candidate_kind}0,1,2 not viable: " "%ordinal5 argument (%3) would lose __unaligned qualifier">; def note_ovl_candidate_bad_base_to_derived_conv : Note< "candidate %sub{select_ovl_candidate_kind}0,1,2 not viable: " "cannot %select{convert from|convert from|bind}3 " "%select{base class pointer|superclass|base class object of type}3 %4 to " "%select{derived class pointer|subclass|derived class reference}3 %5 for " "%ordinal6 argument">; def note_ovl_candidate_bad_target : Note< "candidate %sub{select_ovl_candidate_kind}0,1,2 not viable: " "call to " "%select{__device__|__global__|__host__|__host__ __device__|invalid}3 function from" " %select{__device__|__global__|__host__|__host__ __device__|invalid}4 function">; def note_implicit_member_target_infer_collision : Note< "implicit %sub{select_special_member_kind}0 inferred target collision: call to both " "%select{__device__|__global__|__host__|__host__ __device__}1 and " "%select{__device__|__global__|__host__|__host__ __device__}2 members">; def note_ambiguous_type_conversion: Note< "because of ambiguity in conversion %diff{of $ to $|between types}0,1">; def note_ovl_builtin_binary_candidate : Note< "built-in candidate %0">; def note_ovl_builtin_unary_candidate : Note< "built-in candidate %0">; def err_ovl_no_viable_function_in_init : Error< "no matching constructor for initialization of %0">; def err_ovl_no_conversion_in_cast : Error< "cannot convert %1 to %2 without a conversion operator">; def err_ovl_no_viable_conversion_in_cast : Error< "no matching conversion for %select{|static_cast|reinterpret_cast|" "dynamic_cast|C-style cast|functional-style cast}0 from %1 to %2">; def err_ovl_ambiguous_conversion_in_cast : Error< "ambiguous conversion for %select{|static_cast|reinterpret_cast|" "dynamic_cast|C-style cast|functional-style cast}0 from %1 to %2">; def err_ovl_deleted_conversion_in_cast : Error< "%select{|static_cast|reinterpret_cast|dynamic_cast|C-style cast|" "functional-style cast}0 from %1 to %2 uses deleted function">; def err_ovl_ambiguous_init : Error<"call to constructor of %0 is ambiguous">; def err_ref_init_ambiguous : Error< "reference initialization of type %0 with initializer of type %1 is ambiguous">; def err_ovl_deleted_init : Error< "call to deleted constructor of %0">; def err_ovl_deleted_special_init : Error< "call to implicitly-deleted %select{default constructor|copy constructor|" "move constructor|copy assignment operator|move assignment operator|" "destructor|function}0 of %1">; def err_ovl_ambiguous_oper_unary : Error< "use of overloaded operator '%0' is ambiguous (operand type %1)">; def err_ovl_ambiguous_oper_binary : Error< "use of overloaded operator '%0' is ambiguous (with operand types %1 and %2)">; def err_ovl_no_viable_oper : Error<"no viable overloaded '%0'">; def note_assign_lhs_incomplete : Note<"type %0 is incomplete">; def err_ovl_deleted_oper : Error< "overload resolution selected deleted operator '%0'">; def err_ovl_deleted_special_oper : Error< "object of type %0 cannot be %select{constructed|copied|moved|assigned|" "assigned|destroyed}1 because its %sub{select_special_member_kind}1 is implicitly deleted">; def err_ovl_no_viable_subscript : Error<"no viable overloaded operator[] for type %0">; def err_ovl_no_oper : Error<"type %0 does not provide a %select{subscript|call}1 operator">; def err_ovl_unresolvable : Error< "reference to %select{overloaded|multiversioned}1 function could not be " "resolved; did you mean to call it%select{| with no arguments}0?">; def err_bound_member_function : Error< "reference to non-static member function must be called" "%select{|; did you mean to call it with no arguments?}0">; def note_possible_target_of_call : Note<"possible target for call">; def err_ovl_no_viable_object_call : Error< "no matching function for call to object of type %0">; def err_ovl_ambiguous_object_call : Error< "call to object of type %0 is ambiguous">; def err_ovl_deleted_object_call : Error< "call to deleted function call operator in type %0">; def note_ovl_surrogate_cand : Note<"conversion candidate of type %0">; def err_member_call_without_object : Error< "call to non-static member function without an object argument">; // C++ Address of Overloaded Function def err_addr_ovl_no_viable : Error< "address of overloaded function %0 does not match required type %1">; def err_addr_ovl_ambiguous : Error< "address of overloaded function %0 is ambiguous">; def err_addr_ovl_not_func_ptrref : Error< "address of overloaded function %0 cannot be converted to type %1">; def err_addr_ovl_no_qualifier : Error< "cannot form member pointer of type %0 without '&' and class name">; // C++11 Literal Operators def err_ovl_no_viable_literal_operator : Error< "no matching literal operator for call to %0" "%select{| with argument of type %2| with arguments of types %2 and %3}1" "%select{| or 'const char *'}4" "%select{|, and no matching literal operator template}5">; // C++ Template Declarations def err_template_param_shadow : Error< "declaration of %0 shadows template parameter">; def note_template_param_here : Note<"template parameter is declared here">; def warn_template_export_unsupported : Warning< "exported templates are unsupported">; def err_template_outside_namespace_or_class_scope : Error< "templates can only be declared in namespace or class scope">; def err_template_inside_local_class : Error< "templates cannot be declared inside of a local class">; def err_template_linkage : Error<"templates must have C++ linkage">; def err_template_typedef : Error<"a typedef cannot be a template">; def err_template_unnamed_class : Error< "cannot declare a class template with no name">; def err_template_param_list_different_arity : Error< "%select{too few|too many}0 template parameters in template " "%select{|template parameter }1redeclaration">; def note_template_param_list_different_arity : Note< "%select{too few|too many}0 template parameters in template template " "argument">; def note_template_prev_declaration : Note< "previous template %select{declaration|template parameter}0 is here">; def err_template_param_different_kind : Error< "template parameter has a different kind in template " "%select{|template parameter }0redeclaration">; def note_template_param_different_kind : Note< "template parameter has a different kind in template argument">; def err_invalid_decl_specifier_in_nontype_parm : Error< "invalid declaration specifier in template non-type parameter">; def err_template_nontype_parm_different_type : Error< "template non-type parameter has a different type %0 in template " "%select{|template parameter }1redeclaration">; def note_template_nontype_parm_different_type : Note< "template non-type parameter has a different type %0 in template argument">; def note_template_nontype_parm_prev_declaration : Note< "previous non-type template parameter with type %0 is here">; def err_template_nontype_parm_bad_type : Error< "a non-type template parameter cannot have type %0">; def warn_cxx14_compat_template_nontype_parm_auto_type : Warning< "non-type template parameters declared with %0 are incompatible with C++ " "standards before C++17">, DefaultIgnore, InGroup; def err_template_param_default_arg_redefinition : Error< "template parameter redefines default argument">; def note_template_param_prev_default_arg : Note< "previous default template argument defined here">; def err_template_param_default_arg_missing : Error< "template parameter missing a default argument">; def ext_template_parameter_default_in_function_template : ExtWarn< "default template arguments for a function template are a C++11 extension">, InGroup; def warn_cxx98_compat_template_parameter_default_in_function_template : Warning< "default template arguments for a function template are incompatible with C++98">, InGroup, DefaultIgnore; def err_template_parameter_default_template_member : Error< "cannot add a default template argument to the definition of a member of a " "class template">; def err_template_parameter_default_friend_template : Error< "default template argument not permitted on a friend template">; def err_template_template_parm_no_parms : Error< "template template parameter must have its own template parameters">; def ext_variable_template : ExtWarn<"variable templates are a C++14 extension">, InGroup; def warn_cxx11_compat_variable_template : Warning< "variable templates are incompatible with C++ standards before C++14">, InGroup, DefaultIgnore; def err_template_variable_noparams : Error< "extraneous 'template<>' in declaration of variable %0">; def err_template_member : Error<"member %0 declared as a template">; def err_template_member_noparams : Error< "extraneous 'template<>' in declaration of member %0">; def err_template_tag_noparams : Error< "extraneous 'template<>' in declaration of %0 %1">; def warn_cxx17_compat_adl_only_template_id : Warning< "use of function template name with no prior function template " "declaration in function call with explicit template arguments " "is incompatible with C++ standards before C++2a">, InGroup, DefaultIgnore; def ext_adl_only_template_id : ExtWarn< "use of function template name with no prior declaration in function call " "with explicit template arguments is a C++2a extension">, InGroup; // C++ Template Argument Lists def err_template_missing_args : Error< "use of " "%select{class template|function template|variable template|alias template|" "template template parameter|concept|template}0 %1 requires template " "arguments">; def err_template_arg_list_different_arity : Error< "%select{too few|too many}0 template arguments for " "%select{class template|function template|variable template|alias template|" "template template parameter|concept|template}1 %2">; def note_template_decl_here : Note<"template is declared here">; def err_template_arg_must_be_type : Error< "template argument for template type parameter must be a type">; def err_template_arg_must_be_type_suggest : Error< "template argument for template type parameter must be a type; " "did you forget 'typename'?">; def ext_ms_template_type_arg_missing_typename : ExtWarn< "template argument for template type parameter must be a type; " "omitted 'typename' is a Microsoft extension">, InGroup; def err_template_arg_must_be_expr : Error< "template argument for non-type template parameter must be an expression">; def err_template_arg_nontype_ambig : Error< "template argument for non-type template parameter is treated as function type %0">; def err_template_arg_must_be_template : Error< "template argument for template template parameter must be a class template%select{| or type alias template}0">; def ext_template_arg_local_type : ExtWarn< "template argument uses local type %0">, InGroup; def ext_template_arg_unnamed_type : ExtWarn< "template argument uses unnamed type">, InGroup; def warn_cxx98_compat_template_arg_local_type : Warning< "local type %0 as template argument is incompatible with C++98">, InGroup, DefaultIgnore; def warn_cxx98_compat_template_arg_unnamed_type : Warning< "unnamed type as template argument is incompatible with C++98">, InGroup, DefaultIgnore; def note_template_unnamed_type_here : Note< "unnamed type used in template argument was declared here">; def err_template_arg_overload_type : Error< "template argument is the type of an unresolved overloaded function">; def err_template_arg_not_valid_template : Error< "template argument does not refer to a class or alias template, or template " "template parameter">; def note_template_arg_refers_here_func : Note< "template argument refers to function template %0, here">; def err_template_arg_template_params_mismatch : Error< "template template argument has different template parameters than its " "corresponding template template parameter">; def err_template_arg_not_integral_or_enumeral : Error< "non-type template argument of type %0 must have an integral or enumeration" " type">; def err_template_arg_not_ice : Error< "non-type template argument of type %0 is not an integral constant " "expression">; def err_template_arg_not_address_constant : Error< "non-type template argument of type %0 is not a constant expression">; def warn_cxx98_compat_template_arg_null : Warning< "use of null pointer as non-type template argument is incompatible with " "C++98">, InGroup, DefaultIgnore; def err_template_arg_untyped_null_constant : Error< "null non-type template argument must be cast to template parameter type %0">; def err_template_arg_wrongtype_null_constant : Error< "null non-type template argument of type %0 does not match template parameter " "of type %1">; def err_non_type_template_parm_type_deduction_failure : Error< "non-type template parameter %0 with type %1 has incompatible initializer of type %2">; def err_deduced_non_type_template_arg_type_mismatch : Error< "deduced non-type template argument does not have the same type as the " "corresponding template parameter%diff{ ($ vs $)|}0,1">; def err_non_type_template_arg_subobject : Error< "non-type template argument refers to subobject '%0'">; def err_non_type_template_arg_addr_label_diff : Error< "template argument / label address difference / what did you expect?">; def err_template_arg_not_convertible : Error< "non-type template argument of type %0 cannot be converted to a value " "of type %1">; def warn_template_arg_negative : Warning< "non-type template argument with value '%0' converted to '%1' for unsigned " "template parameter of type %2">, InGroup, DefaultIgnore; def warn_template_arg_too_large : Warning< "non-type template argument value '%0' truncated to '%1' for " "template parameter of type %2">, InGroup, DefaultIgnore; def err_template_arg_no_ref_bind : Error< "non-type template parameter of reference type " "%diff{$ cannot bind to template argument of type $" "|cannot bind to template of incompatible argument type}0,1">; def err_template_arg_ref_bind_ignores_quals : Error< "reference binding of non-type template parameter " "%diff{of type $ to template argument of type $|to template argument}0,1 " "ignores qualifiers">; def err_template_arg_not_decl_ref : Error< "non-type template argument does not refer to any declaration">; def err_template_arg_not_address_of : Error< "non-type template argument for template parameter of pointer type %0 must " "have its address taken">; def err_template_arg_address_of_non_pointer : Error< "address taken in non-type template argument for template parameter of " "reference type %0">; def err_template_arg_reference_var : Error< "non-type template argument of reference type %0 is not an object">; def err_template_arg_field : Error< "non-type template argument refers to non-static data member %0">; def err_template_arg_method : Error< "non-type template argument refers to non-static member function %0">; def err_template_arg_object_no_linkage : Error< "non-type template argument refers to %select{function|object}0 %1 that " "does not have linkage">; def warn_cxx98_compat_template_arg_object_internal : Warning< "non-type template argument referring to %select{function|object}0 %1 with " "internal linkage is incompatible with C++98">, InGroup, DefaultIgnore; def ext_template_arg_object_internal : ExtWarn< "non-type template argument referring to %select{function|object}0 %1 with " "internal linkage is a C++11 extension">, InGroup; def err_template_arg_thread_local : Error< "non-type template argument refers to thread-local object">; def note_template_arg_internal_object : Note< "non-type template argument refers to %select{function|object}0 here">; def note_template_arg_refers_here : Note< "non-type template argument refers here">; def err_template_arg_not_object_or_func : Error< "non-type template argument does not refer to an object or function">; def err_template_arg_not_pointer_to_member_form : Error< "non-type template argument is not a pointer to member constant">; def err_template_arg_member_ptr_base_derived_not_supported : Error< "sorry, non-type template argument of pointer-to-member type %1 that refers " "to member %q0 of a different class is not supported yet">; def ext_template_arg_extra_parens : ExtWarn< "address non-type template argument cannot be surrounded by parentheses">; def warn_cxx98_compat_template_arg_extra_parens : Warning< "redundant parentheses surrounding address non-type template argument are " "incompatible with C++98">, InGroup, DefaultIgnore; def err_pointer_to_member_type : Error< "invalid use of pointer to member type after %select{.*|->*}0">; def err_pointer_to_member_call_drops_quals : Error< "call to pointer to member function of type %0 drops '%1' qualifier%s2">; def err_pointer_to_member_oper_value_classify: Error< "pointer-to-member function type %0 can only be called on an " "%select{rvalue|lvalue}1">; def ext_pointer_to_const_ref_member_on_rvalue : Extension< "invoking a pointer to a 'const &' member function on an rvalue is a C++2a extension">, InGroup, SFINAEFailure; def warn_cxx17_compat_pointer_to_const_ref_member_on_rvalue : Warning< "invoking a pointer to a 'const &' member function on an rvalue is " "incompatible with C++ standards before C++2a">, InGroup, DefaultIgnore; def ext_ms_deref_template_argument: ExtWarn< "non-type template argument containing a dereference operation is a " "Microsoft extension">, InGroup; def ext_ms_delayed_template_argument: ExtWarn< "using the undeclared type %0 as a default template argument is a " "Microsoft extension">, InGroup; def err_template_arg_deduced_incomplete_pack : Error< "deduced incomplete pack %0 for template parameter %1">; // C++ template specialization def err_template_spec_unknown_kind : Error< "can only provide an explicit specialization for a class template, function " "template, variable template, or a member function, static data member, " "%select{or member class|member class, or member enumeration}0 of a " "class template">; def note_specialized_entity : Note< "explicitly specialized declaration is here">; def note_explicit_specialization_declared_here : Note< "explicit specialization declared here">; def err_template_spec_decl_function_scope : Error< "explicit specialization of %0 in function scope">; def err_template_spec_decl_friend : Error< "cannot declare an explicit specialization in a friend">; def err_template_spec_redecl_out_of_scope : Error< "%select{class template|class template partial|variable template|" "variable template partial|function template|member " "function|static data member|member class|member enumeration}0 " "specialization of %1 not in %select{a namespace enclosing %2|" "class %2 or an enclosing namespace}3">; def ext_ms_template_spec_redecl_out_of_scope: ExtWarn< "%select{class template|class template partial|variable template|" "variable template partial|function template|member " "function|static data member|member class|member enumeration}0 " "specialization of %1 not in %select{a namespace enclosing %2|" "class %2 or an enclosing namespace}3 " "is a Microsoft extension">, InGroup; def err_template_spec_redecl_global_scope : Error< "%select{class template|class template partial|variable template|" "variable template partial|function template|member " "function|static data member|member class|member enumeration}0 " "specialization of %1 must occur at global scope">; def err_spec_member_not_instantiated : Error< "specialization of member %q0 does not specialize an instantiated member">; def note_specialized_decl : Note<"attempt to specialize declaration here">; def err_specialization_after_instantiation : Error< "explicit specialization of %0 after instantiation">; def note_instantiation_required_here : Note< "%select{implicit|explicit}0 instantiation first required here">; def err_template_spec_friend : Error< "template specialization declaration cannot be a friend">; def err_template_spec_default_arg : Error< "default argument not permitted on an explicit " "%select{instantiation|specialization}0 of function %1">; def err_not_class_template_specialization : Error< "cannot specialize a %select{dependent template|template template " "parameter}0">; def ext_explicit_specialization_storage_class : ExtWarn< "explicit specialization cannot have a storage class">; def err_explicit_specialization_inconsistent_storage_class : Error< "explicit specialization has extraneous, inconsistent storage class " "'%select{none|extern|static|__private_extern__|auto|register}0'">; def err_dependent_function_template_spec_no_match : Error< "no candidate function template was found for dependent" " friend function template specialization">; def note_dependent_function_template_spec_discard_reason : Note< "candidate ignored: %select{not a function template" "|not a member of the enclosing namespace;" " did you mean to explicitly qualify the specialization?}0">; // C++ class template specializations and out-of-line definitions def err_template_spec_needs_header : Error< "template specialization requires 'template<>'">; def err_template_spec_needs_template_parameters : Error< "template specialization or definition requires a template parameter list " "corresponding to the nested type %0">; def err_template_param_list_matches_nontemplate : Error< "template parameter list matching the non-templated nested type %0 should " "be empty ('template<>')">; def err_alias_template_extra_headers : Error< "extraneous template parameter list in alias template declaration">; def err_template_spec_extra_headers : Error< "extraneous template parameter list in template specialization or " "out-of-line template definition">; def warn_template_spec_extra_headers : Warning< "extraneous template parameter list in template specialization">; def note_explicit_template_spec_does_not_need_header : Note< "'template<>' header not required for explicitly-specialized class %0 " "declared here">; def err_template_qualified_declarator_no_match : Error< "nested name specifier '%0' for declaration does not refer into a class, " "class template or class template partial specialization">; def err_specialize_member_of_template : Error< "cannot specialize %select{|(with 'template<>') }0a member of an " "unspecialized template">; // C++ Class Template Partial Specialization def err_default_arg_in_partial_spec : Error< "default template argument in a class template partial specialization">; def err_dependent_non_type_arg_in_partial_spec : Error< "type of specialized non-type template argument depends on a template " "parameter of the partial specialization">; def note_dependent_non_type_default_arg_in_partial_spec : Note< "template parameter is used in default argument declared here">; def err_dependent_typed_non_type_arg_in_partial_spec : Error< "non-type template argument specializes a template parameter with " "dependent type %0">; def err_partial_spec_args_match_primary_template : Error< "%select{class|variable}0 template partial specialization does not " "specialize any template argument; to %select{declare|define}1 the " "primary template, remove the template argument list">; def ext_partial_spec_not_more_specialized_than_primary : ExtWarn< "%select{class|variable}0 template partial specialization is not " "more specialized than the primary template">, DefaultError, InGroup>; def note_partial_spec_not_more_specialized_than_primary : Note<"%0">; def ext_partial_specs_not_deducible : ExtWarn< "%select{class|variable}0 template partial specialization contains " "%select{a template parameter|template parameters}1 that cannot be " "deduced; this partial specialization will never be used">, DefaultError, InGroup>; def note_non_deducible_parameter : Note< "non-deducible template parameter %0">; def err_partial_spec_ordering_ambiguous : Error< "ambiguous partial specializations of %0">; def note_partial_spec_match : Note<"partial specialization matches %0">; def err_partial_spec_redeclared : Error< "class template partial specialization %0 cannot be redeclared">; def note_partial_specialization_declared_here : Note< "explicit specialization declared here">; def note_prev_partial_spec_here : Note< "previous declaration of class template partial specialization %0 is here">; def err_partial_spec_fully_specialized : Error< "partial specialization of %0 does not use any of its template parameters">; // C++ Variable Template Partial Specialization def err_var_partial_spec_redeclared : Error< "variable template partial specialization %0 cannot be redefined">; def note_var_prev_partial_spec_here : Note< "previous declaration of variable template partial specialization is here">; def err_var_spec_no_template : Error< "no variable template matches%select{| partial}0 specialization">; def err_var_spec_no_template_but_method : Error< "no variable template matches specialization; " "did you mean to use %0 as function template instead?">; // C++ Function template specializations def err_function_template_spec_no_match : Error< "no function template matches function template specialization %0">; def err_function_template_spec_ambiguous : Error< "function template specialization %0 ambiguously refers to more than one " "function template; explicitly specify%select{| additional}1 template " "arguments to identify a particular function template">; def note_function_template_spec_matched : Note< "function template %q0 matches specialization %1">; def err_function_template_partial_spec : Error< "function template partial specialization is not allowed">; // C++ Template Instantiation def err_template_recursion_depth_exceeded : Error< "recursive template instantiation exceeded maximum depth of %0">, DefaultFatal, NoSFINAE; def note_template_recursion_depth : Note< "use -ftemplate-depth=N to increase recursive template instantiation depth">; def err_template_instantiate_within_definition : Error< "%select{implicit|explicit}0 instantiation of template %1 within its" " own definition">; def err_template_instantiate_undefined : Error< "%select{implicit|explicit}0 instantiation of undefined template %1">; def err_implicit_instantiate_member_undefined : Error< "implicit instantiation of undefined member %0">; def note_template_class_instantiation_was_here : Note< "class template %0 was instantiated here">; def note_template_class_explicit_specialization_was_here : Note< "class template %0 was explicitly specialized here">; def note_template_class_instantiation_here : Note< "in instantiation of template class %q0 requested here">; def note_template_member_class_here : Note< "in instantiation of member class %q0 requested here">; def note_template_member_function_here : Note< "in instantiation of member function %q0 requested here">; def note_function_template_spec_here : Note< "in instantiation of function template specialization %q0 requested here">; def note_template_static_data_member_def_here : Note< "in instantiation of static data member %q0 requested here">; def note_template_variable_def_here : Note< "in instantiation of variable template specialization %q0 requested here">; def note_template_enum_def_here : Note< "in instantiation of enumeration %q0 requested here">; def note_template_nsdmi_here : Note< "in instantiation of default member initializer %q0 requested here">; def note_template_type_alias_instantiation_here : Note< "in instantiation of template type alias %0 requested here">; def note_template_exception_spec_instantiation_here : Note< "in instantiation of exception specification for %0 requested here">; def warn_var_template_missing : Warning<"instantiation of variable %q0 " "required here, but no definition is available">, InGroup; def warn_func_template_missing : Warning<"instantiation of function %q0 " "required here, but no definition is available">, InGroup, DefaultIgnore; def note_forward_template_decl : Note< "forward declaration of template entity is here">; def note_inst_declaration_hint : Note<"add an explicit instantiation " "declaration to suppress this warning if %q0 is explicitly instantiated in " "another translation unit">; def note_evaluating_exception_spec_here : Note< "in evaluation of exception specification for %q0 needed here">; def note_default_arg_instantiation_here : Note< "in instantiation of default argument for '%0' required here">; def note_default_function_arg_instantiation_here : Note< "in instantiation of default function argument expression " "for '%0' required here">; def note_explicit_template_arg_substitution_here : Note< "while substituting explicitly-specified template arguments into function " "template %0 %1">; def note_function_template_deduction_instantiation_here : Note< "while substituting deduced template arguments into function template %0 " "%1">; def note_deduced_template_arg_substitution_here : Note< "during template argument deduction for %select{class|variable}0 template " "%select{partial specialization |}1%2 %3">; def note_prior_template_arg_substitution : Note< "while substituting prior template arguments into %select{non-type|template}0" " template parameter%1 %2">; def note_template_default_arg_checking : Note< "while checking a default template argument used here">; def note_instantiation_contexts_suppressed : Note< "(skipping %0 context%s0 in backtrace; use -ftemplate-backtrace-limit=0 to " "see all)">; def err_field_instantiates_to_function : Error< "data member instantiated with function type %0">; def err_variable_instantiates_to_function : Error< "%select{variable|static data member}0 instantiated with function type %1">; def err_nested_name_spec_non_tag : Error< "type %0 cannot be used prior to '::' because it has no members">; def err_using_pack_expansion_empty : Error< "%select{|member}0 using declaration %1 instantiates to an empty pack">; // C++ Explicit Instantiation def err_explicit_instantiation_duplicate : Error< "duplicate explicit instantiation of %0">; def ext_explicit_instantiation_duplicate : ExtWarn< "duplicate explicit instantiation of %0 ignored as a Microsoft extension">, InGroup; def note_previous_explicit_instantiation : Note< "previous explicit instantiation is here">; def warn_explicit_instantiation_after_specialization : Warning< "explicit instantiation of %0 that occurs after an explicit " "specialization has no effect">, InGroup>; def note_previous_template_specialization : Note< "previous template specialization is here">; def err_explicit_instantiation_nontemplate_type : Error< "explicit instantiation of non-templated type %0">; def note_nontemplate_decl_here : Note< "non-templated declaration is here">; def err_explicit_instantiation_in_class : Error< "explicit instantiation of %0 in class scope">; def err_explicit_instantiation_out_of_scope : Error< "explicit instantiation of %0 not in a namespace enclosing %1">; def err_explicit_instantiation_must_be_global : Error< "explicit instantiation of %0 must occur at global scope">; def warn_explicit_instantiation_out_of_scope_0x : Warning< "explicit instantiation of %0 not in a namespace enclosing %1">, InGroup, DefaultIgnore; def warn_explicit_instantiation_must_be_global_0x : Warning< "explicit instantiation of %0 must occur at global scope">, InGroup, DefaultIgnore; def err_explicit_instantiation_requires_name : Error< "explicit instantiation declaration requires a name">; def err_explicit_instantiation_of_typedef : Error< "explicit instantiation of typedef %0">; def err_explicit_instantiation_storage_class : Error< "explicit instantiation cannot have a storage class">; def err_explicit_instantiation_internal_linkage : Error< "explicit instantiation declaration of %0 with internal linkage">; def err_explicit_instantiation_not_known : Error< "explicit instantiation of %0 does not refer to a function template, " "variable template, member function, member class, or static data member">; def note_explicit_instantiation_here : Note< "explicit instantiation refers here">; def err_explicit_instantiation_data_member_not_instantiated : Error< "explicit instantiation refers to static data member %q0 that is not an " "instantiation">; def err_explicit_instantiation_member_function_not_instantiated : Error< "explicit instantiation refers to member function %q0 that is not an " "instantiation">; def err_explicit_instantiation_ambiguous : Error< "partial ordering for explicit instantiation of %0 is ambiguous">; def note_explicit_instantiation_candidate : Note< "explicit instantiation candidate function %q0 template here %1">; def err_explicit_instantiation_inline : Error< "explicit instantiation cannot be 'inline'">; def warn_explicit_instantiation_inline_0x : Warning< "explicit instantiation cannot be 'inline'">, InGroup, DefaultIgnore; def err_explicit_instantiation_constexpr : Error< "explicit instantiation cannot be 'constexpr'">; def ext_explicit_instantiation_without_qualified_id : Extension< "qualifier in explicit instantiation of %q0 requires a template-id " "(a typedef is not permitted)">; def err_explicit_instantiation_without_template_id : Error< "explicit instantiation of %q0 must specify a template argument list">; def err_explicit_instantiation_unqualified_wrong_namespace : Error< "explicit instantiation of %q0 must occur in namespace %1">; def warn_explicit_instantiation_unqualified_wrong_namespace_0x : Warning< "explicit instantiation of %q0 must occur in namespace %1">, InGroup, DefaultIgnore; def err_explicit_instantiation_undefined_member : Error< "explicit instantiation of undefined %select{member class|member function|" "static data member}0 %1 of class template %2">; def err_explicit_instantiation_undefined_func_template : Error< "explicit instantiation of undefined function template %0">; def err_explicit_instantiation_undefined_var_template : Error< "explicit instantiation of undefined variable template %q0">; def err_explicit_instantiation_declaration_after_definition : Error< "explicit instantiation declaration (with 'extern') follows explicit " "instantiation definition (without 'extern')">; def note_explicit_instantiation_definition_here : Note< "explicit instantiation definition is here">; def err_invalid_var_template_spec_type : Error<"type %2 " "of %select{explicit instantiation|explicit specialization|" "partial specialization|redeclaration}0 of %1 does not match" " expected type %3">; def err_mismatched_exception_spec_explicit_instantiation : Error< "exception specification in explicit instantiation does not match " "instantiated one">; def ext_mismatched_exception_spec_explicit_instantiation : ExtWarn< err_mismatched_exception_spec_explicit_instantiation.Text>, InGroup; // C++ typename-specifiers def err_typename_nested_not_found : Error<"no type named %0 in %1">; def err_typename_nested_not_found_enable_if : Error< "no type named 'type' in %0; 'enable_if' cannot be used to disable " "this declaration">; def err_typename_nested_not_found_requirement : Error< "failed requirement '%0'; 'enable_if' cannot be used to disable this " "declaration">; def err_typename_nested_not_type : Error< "typename specifier refers to non-type member %0 in %1">; def note_typename_refers_here : Note< "referenced member %0 is declared here">; def err_typename_missing : Error< "missing 'typename' prior to dependent type name '%0%1'">; def err_typename_missing_template : Error< "missing 'typename' prior to dependent type template name '%0%1'">; def ext_typename_missing : ExtWarn< "missing 'typename' prior to dependent type name '%0%1'">, InGroup>; def ext_typename_outside_of_template : ExtWarn< "'typename' occurs outside of a template">, InGroup; def warn_cxx98_compat_typename_outside_of_template : Warning< "use of 'typename' outside of a template is incompatible with C++98">, InGroup, DefaultIgnore; def err_typename_refers_to_using_value_decl : Error< "typename specifier refers to a dependent using declaration for a value " "%0 in %1">; def note_using_value_decl_missing_typename : Note< "add 'typename' to treat this using declaration as a type">; def err_template_kw_refers_to_non_template : Error< "%0 following the 'template' keyword does not refer to a template">; def note_template_kw_refers_to_non_template : Note< "declared as a non-template here">; def err_template_kw_refers_to_class_template : Error< "'%0%1' instantiated to a class template, not a function template">; def note_referenced_class_template : Note< "class template declared here">; def err_template_kw_missing : Error< "missing 'template' keyword prior to dependent template name '%0%1'">; def ext_template_outside_of_template : ExtWarn< "'template' keyword outside of a template">, InGroup; def warn_cxx98_compat_template_outside_of_template : Warning< "use of 'template' keyword outside of a template is incompatible with C++98">, InGroup, DefaultIgnore; def err_non_type_template_in_nested_name_specifier : Error< "qualified name refers into a specialization of %select{function|variable}0 " "template %1">; def err_template_id_not_a_type : Error< "template name refers to non-type template %0">; def note_template_declared_here : Note< "%select{function template|class template|variable template" "|type alias template|template template parameter}0 " "%1 declared here">; def err_alias_template_expansion_into_fixed_list : Error< "pack expansion used as argument for non-pack parameter of alias template">; def note_parameter_type : Note< "parameter of type %0 is declared here">; // C++11 Variadic Templates def err_template_param_pack_default_arg : Error< "template parameter pack cannot have a default argument">; def err_template_param_pack_must_be_last_template_parameter : Error< "template parameter pack must be the last template parameter">; def err_template_parameter_pack_non_pack : Error< "%select{template type|non-type template|template template}0 parameter" "%select{| pack}1 conflicts with previous %select{template type|" "non-type template|template template}0 parameter%select{ pack|}1">; def note_template_parameter_pack_non_pack : Note< "%select{template type|non-type template|template template}0 parameter" "%select{| pack}1 does not match %select{template type|non-type template" "|template template}0 parameter%select{ pack|}1 in template argument">; def note_template_parameter_pack_here : Note< "previous %select{template type|non-type template|template template}0 " "parameter%select{| pack}1 declared here">; def err_unexpanded_parameter_pack : Error< "%select{expression|base type|declaration type|data member type|bit-field " "size|static assertion|fixed underlying type|enumerator value|" "using declaration|friend declaration|qualifier|initializer|default argument|" "non-type template parameter type|exception type|partial specialization|" "__if_exists name|__if_not_exists name|lambda|block}0 contains" "%plural{0: an|:}1 unexpanded parameter pack" "%plural{0:|1: %2|2:s %2 and %3|:s %2, %3, ...}1">; def err_pack_expansion_without_parameter_packs : Error< "pack expansion does not contain any unexpanded parameter packs">; def err_pack_expansion_length_conflict : Error< "pack expansion contains parameter packs %0 and %1 that have different " "lengths (%2 vs. %3)">; def err_pack_expansion_length_conflict_multilevel : Error< "pack expansion contains parameter pack %0 that has a different " "length (%1 vs. %2) from outer parameter packs">; def err_pack_expansion_length_conflict_partial : Error< "pack expansion contains parameter pack %0 that has a different " "length (at least %1 vs. %2) from outer parameter packs">; def err_pack_expansion_member_init : Error< "pack expansion for initialization of member %0">; def err_function_parameter_pack_without_parameter_packs : Error< "type %0 of function parameter pack does not contain any unexpanded " "parameter packs">; def err_ellipsis_in_declarator_not_parameter : Error< "only function and template parameters can be parameter packs">; def err_sizeof_pack_no_pack_name : Error< "%0 does not refer to the name of a parameter pack">; def err_fold_expression_packs_both_sides : Error< "binary fold expression has unexpanded parameter packs in both operands">; def err_fold_expression_empty : Error< "unary fold expression has empty expansion for operator '%0' " "with no fallback value">; def err_fold_expression_bad_operand : Error< "expression not permitted as operand of fold expression">; def err_unexpected_typedef : Error< "unexpected type name %0: expected expression">; def err_unexpected_namespace : Error< "unexpected namespace name %0: expected expression">; def err_undeclared_var_use : Error<"use of undeclared identifier %0">; def ext_undeclared_unqual_id_with_dependent_base : ExtWarn< "use of undeclared identifier %0; " "unqualified lookup into dependent bases of class template %1 is a Microsoft extension">, InGroup; def ext_found_via_dependent_bases_lookup : ExtWarn<"use of identifier %0 " "found via unqualified lookup into dependent bases of class templates is a " "Microsoft extension">, InGroup; def note_dependent_var_use : Note<"must qualify identifier to find this " "declaration in dependent base class">; def err_not_found_by_two_phase_lookup : Error<"call to function %0 that is neither " "visible in the template definition nor found by argument-dependent lookup">; def note_not_found_by_two_phase_lookup : Note<"%0 should be declared prior to the " "call site%select{| or in %2| or in an associated namespace of one of its arguments}1">; def err_undeclared_use : Error<"use of undeclared %0">; def warn_deprecated : Warning<"%0 is deprecated">, InGroup; def note_from_diagnose_if : Note<"from 'diagnose_if' attribute on %0:">; def warn_property_method_deprecated : Warning<"property access is using %0 method which is deprecated">, InGroup; def warn_deprecated_message : Warning<"%0 is deprecated: %1">, InGroup; def warn_deprecated_anonymous_namespace : Warning< "'deprecated' attribute on anonymous namespace ignored">, InGroup; def warn_deprecated_fwdclass_message : Warning< "%0 may be deprecated because the receiver type is unknown">, InGroup; def warn_deprecated_def : Warning< "implementing deprecated %select{method|class|category}0">, InGroup, DefaultIgnore; def warn_unavailable_def : Warning< "implementing unavailable method">, InGroup, DefaultIgnore; def err_unavailable : Error<"%0 is unavailable">; def err_property_method_unavailable : Error<"property access is using %0 method which is unavailable">; def err_unavailable_message : Error<"%0 is unavailable: %1">; def warn_unavailable_fwdclass_message : Warning< "%0 may be unavailable because the receiver type is unknown">, InGroup; def note_availability_specified_here : Note< "%0 has been explicitly marked " "%select{unavailable|deleted|deprecated}1 here">; def note_partial_availability_specified_here : Note< "%0 has been marked as being introduced in %1 %2 here, " "but the deployment target is %1 %3">; def note_implicitly_deleted : Note< "explicitly defaulted function was implicitly deleted here">; def warn_not_enough_argument : Warning< "not enough variable arguments in %0 declaration to fit a sentinel">, InGroup; def warn_missing_sentinel : Warning < "missing sentinel in %select{function call|method dispatch|block call}0">, InGroup; def note_sentinel_here : Note< "%select{function|method|block}0 has been explicitly marked sentinel here">; def warn_missing_prototype : Warning< "no previous prototype for function %0">, InGroup>, DefaultIgnore; def note_declaration_not_a_prototype : Note< "this declaration is not a prototype; add %select{'void'|parameter declarations}0 " "to make it %select{a prototype for a zero-parameter function|one}0">; def warn_strict_prototypes : Warning< "this %select{function declaration is not|block declaration is not|" "old-style function definition is not preceded by}0 a prototype">, InGroup>, DefaultIgnore; def warn_missing_variable_declarations : Warning< "no previous extern declaration for non-static variable %0">, InGroup>, DefaultIgnore; def note_static_for_internal_linkage : Note< "declare 'static' if the %select{variable|function}0 is not intended to be " "used outside of this translation unit">; def err_static_data_member_reinitialization : Error<"static data member %0 already has an initializer">; def err_redefinition : Error<"redefinition of %0">; def err_alias_after_tentative : Error<"alias definition of %0 after tentative definition">; def err_alias_is_definition : Error<"definition %0 cannot also be an %select{alias|ifunc}1">; def err_definition_of_implicitly_declared_member : Error< "definition of implicitly declared %select{default constructor|copy " "constructor|move constructor|copy assignment operator|move assignment " "operator|destructor|function}1">; def err_definition_of_explicitly_defaulted_member : Error< "definition of explicitly defaulted %select{default constructor|copy " "constructor|move constructor|copy assignment operator|move assignment " "operator|destructor|function}0">; def err_redefinition_extern_inline : Error< "redefinition of a 'extern inline' function %0 is not supported in " "%select{C99 mode|C++}1">; def warn_attr_abi_tag_namespace : Warning< "'abi_tag' attribute on %select{non-inline|anonymous}0 namespace ignored">, InGroup; def err_abi_tag_on_redeclaration : Error< "cannot add 'abi_tag' attribute in a redeclaration">; def err_new_abi_tag_on_redeclaration : Error< "'abi_tag' %0 missing in original declaration">; def note_use_ifdef_guards : Note< "unguarded header; consider using #ifdef guards or #pragma once">; def note_deleted_dtor_no_operator_delete : Note< "virtual destructor requires an unambiguous, accessible 'operator delete'">; def note_deleted_special_member_class_subobject : Note< "%select{default constructor of|copy constructor of|move constructor of|" "copy assignment operator of|move assignment operator of|destructor of|" "constructor inherited by}0 " "%1 is implicitly deleted because " "%select{base class %3|%select{||||variant }4field %3}2 " "%select{has " "%select{no|a deleted|multiple|an inaccessible|a non-trivial}4 " "%select{%select{default constructor|copy constructor|move constructor|copy " "assignment operator|move assignment operator|destructor|" "%select{default|corresponding|default|default|default}4 constructor}0|" "destructor}5" "%select{||s||}4" "|is an ObjC pointer}6">; def note_deleted_default_ctor_uninit_field : Note< "%select{default constructor of|constructor inherited by}0 " "%1 is implicitly deleted because field %2 of " "%select{reference|const-qualified}4 type %3 would not be initialized">; def note_deleted_default_ctor_all_const : Note< "%select{default constructor of|constructor inherited by}0 " "%1 is implicitly deleted because all " "%select{data members|data members of an anonymous union member}2" " are const-qualified">; def note_deleted_copy_ctor_rvalue_reference : Note< "copy constructor of %0 is implicitly deleted because field %1 is of " "rvalue reference type %2">; def note_deleted_copy_user_declared_move : Note< "copy %select{constructor|assignment operator}0 is implicitly deleted because" " %1 has a user-declared move %select{constructor|assignment operator}2">; def note_deleted_assign_field : Note< "%select{copy|move}0 assignment operator of %1 is implicitly deleted " "because field %2 is of %select{reference|const-qualified}4 type %3">; // These should be errors. def warn_undefined_internal : Warning< "%select{function|variable}0 %q1 has internal linkage but is not defined">, InGroup>; def err_undefined_internal_type : Error< "%select{function|variable}0 %q1 is used but not defined in this " "translation unit, and cannot be defined in any other translation unit " "because its type does not have linkage">; def ext_undefined_internal_type : Extension< "ISO C++ requires a definition in this translation unit for " "%select{function|variable}0 %q1 because its type does not have linkage">, InGroup>; def warn_undefined_inline : Warning<"inline function %q0 is not defined">, InGroup>; def err_undefined_inline_var : Error<"inline variable %q0 is not defined">; def note_used_here : Note<"used here">; def err_internal_linkage_redeclaration : Error< "'internal_linkage' attribute does not appear on the first declaration of %0">; def warn_internal_linkage_local_storage : Warning< "'internal_linkage' attribute on a non-static local variable is ignored">, InGroup; def ext_internal_in_extern_inline : ExtWarn< "static %select{function|variable}0 %1 is used in an inline function with " "external linkage">, InGroup; def ext_internal_in_extern_inline_quiet : Extension< "static %select{function|variable}0 %1 is used in an inline function with " "external linkage">, InGroup; def warn_static_local_in_extern_inline : Warning< "non-constant static local variable in inline function may be different " "in different files">, InGroup; def note_convert_inline_to_static : Note< "use 'static' to give inline function %0 internal linkage">; def ext_redefinition_of_typedef : ExtWarn< "redefinition of typedef %0 is a C11 feature">, InGroup >; def err_redefinition_variably_modified_typedef : Error< "redefinition of %select{typedef|type alias}0 for variably-modified type %1">; def err_inline_decl_follows_def : Error< "inline declaration of %0 follows non-inline definition">; def err_inline_declaration_block_scope : Error< "inline declaration of %0 not allowed in block scope">; def err_static_non_static : Error< "static declaration of %0 follows non-static declaration">; def err_different_language_linkage : Error< "declaration of %0 has a different language linkage">; def ext_retained_language_linkage : Extension< "friend function %0 retaining previous language linkage is an extension">, InGroup>; def err_extern_c_global_conflict : Error< "declaration of %1 %select{with C language linkage|in global scope}0 " "conflicts with declaration %select{in global scope|with C language linkage}0">; def note_extern_c_global_conflict : Note< "declared %select{in global scope|with C language linkage}0 here">; def note_extern_c_begins_here : Note< "extern \"C\" language linkage specification begins here">; def warn_weak_import : Warning < "an already-declared variable is made a weak_import declaration %0">; def ext_static_non_static : Extension< "redeclaring non-static %0 as static is a Microsoft extension">, InGroup; def err_non_static_static : Error< "non-static declaration of %0 follows static declaration">; def err_extern_non_extern : Error< "extern declaration of %0 follows non-extern declaration">; def err_non_extern_extern : Error< "non-extern declaration of %0 follows extern declaration">; def err_non_thread_thread : Error< "non-thread-local declaration of %0 follows thread-local declaration">; def err_thread_non_thread : Error< "thread-local declaration of %0 follows non-thread-local declaration">; def err_thread_thread_different_kind : Error< "thread-local declaration of %0 with %select{static|dynamic}1 initialization " "follows declaration with %select{dynamic|static}1 initialization">; def err_mismatched_owning_module : Error< "declaration of %0 in %select{the global module|module %2}1 follows " "declaration in %select{the global module|module %4}3">; def err_redefinition_different_type : Error< "redefinition of %0 with a different type%diff{: $ vs $|}1,2">; def err_redefinition_different_kind : Error< "redefinition of %0 as different kind of symbol">; def err_redefinition_different_namespace_alias : Error< "redefinition of %0 as an alias for a different namespace">; def note_previous_namespace_alias : Note< "previously defined as an alias for %0">; def warn_forward_class_redefinition : Warning< "redefinition of forward class %0 of a typedef name of an object type is ignored">, InGroup>; def err_redefinition_different_typedef : Error< "%select{typedef|type alias|type alias template}0 " "redefinition with different types%diff{ ($ vs $)|}1,2">; def err_tag_reference_non_tag : Error< "%select{non-struct type|non-class type|non-union type|non-enum " "type|typedef|type alias|template|type alias template|template " "template argument}1 %0 cannot be referenced with a " "%select{struct|interface|union|class|enum}2 specifier">; def err_tag_reference_conflict : Error< "implicit declaration introduced by elaborated type conflicts with a " "%select{non-struct type|non-class type|non-union type|non-enum " "type|typedef|type alias|template|type alias template|template " "template argument}0 of the same name">; def err_dependent_tag_decl : Error< "%select{declaration|definition}0 of " "%select{struct|interface|union|class|enum}1 in a dependent scope">; def err_tag_definition_of_typedef : Error< "definition of type %0 conflicts with %select{typedef|type alias}1 of the same name">; def err_conflicting_types : Error<"conflicting types for %0">; def err_different_pass_object_size_params : Error< "conflicting pass_object_size attributes on parameters">; def err_late_asm_label_name : Error< "cannot apply asm label to %select{variable|function}0 after its first use">; def err_different_asm_label : Error<"conflicting asm label">; def err_nested_redefinition : Error<"nested redefinition of %0">; def err_use_with_wrong_tag : Error< "use of %0 with tag type that does not match previous declaration">; def warn_struct_class_tag_mismatch : Warning< "%select{struct|interface|class}0%select{| template}1 %2 was previously " "declared as a %select{struct|interface|class}3%select{| template}1; " "this is valid, but may result in linker errors under the Microsoft C++ ABI">, InGroup, DefaultIgnore; def warn_struct_class_previous_tag_mismatch : Warning< "%2 defined as %select{a struct|an interface|a class}0%select{| template}1 " "here but previously declared as " "%select{a struct|an interface|a class}3%select{| template}1; " "this is valid, but may result in linker errors under the Microsoft C++ ABI">, InGroup, DefaultIgnore; def note_struct_class_suggestion : Note< "did you mean %select{struct|interface|class}0 here?">; def ext_forward_ref_enum : Extension< "ISO C forbids forward references to 'enum' types">; def err_forward_ref_enum : Error< "ISO C++ forbids forward references to 'enum' types">; def ext_ms_forward_ref_enum : ExtWarn< "forward references to 'enum' types are a Microsoft extension">, InGroup; def ext_forward_ref_enum_def : Extension< "redeclaration of already-defined enum %0 is a GNU extension">, InGroup; def err_redefinition_of_enumerator : Error<"redefinition of enumerator %0">; def err_duplicate_member : Error<"duplicate member %0">; def err_misplaced_ivar : Error< "instance variables may not be placed in %select{categories|class extension}0">; def warn_ivars_in_interface : Warning< "declaration of instance variables in the interface is deprecated">, InGroup>, DefaultIgnore; def ext_enum_value_not_int : Extension< "ISO C restricts enumerator values to range of 'int' (%0 is too " "%select{small|large}1)">; def ext_enum_too_large : ExtWarn< "enumeration values exceed range of largest integer">, InGroup; def ext_enumerator_increment_too_large : ExtWarn< "incremented enumerator value %0 is not representable in the " "largest integer type">, InGroup; def warn_flag_enum_constant_out_of_range : Warning< "enumeration value %0 is out of range of flags in enumeration type %1">, InGroup; def warn_illegal_constant_array_size : Extension< "size of static array must be an integer constant expression">; def err_vm_decl_in_file_scope : Error< "variably modified type declaration not allowed at file scope">; def err_vm_decl_has_extern_linkage : Error< "variably modified type declaration cannot have 'extern' linkage">; def err_typecheck_field_variable_size : Error< "fields must have a constant size: 'variable length array in structure' " "extension will never be supported">; def err_vm_func_decl : Error< "function declaration cannot have variably modified type">; def err_array_too_large : Error< "array is too large (%0 elements)">; def err_typecheck_negative_array_size : Error<"array size is negative">; def warn_typecheck_function_qualifiers_ignored : Warning< "'%0' qualifier on function type %1 has no effect">, InGroup; def warn_typecheck_function_qualifiers_unspecified : Warning< "'%0' qualifier on function type %1 has unspecified behavior">; def warn_typecheck_reference_qualifiers : Warning< "'%0' qualifier on reference type %1 has no effect">, InGroup; def err_typecheck_invalid_restrict_not_pointer : Error< "restrict requires a pointer or reference (%0 is invalid)">; def err_typecheck_invalid_restrict_not_pointer_noarg : Error< "restrict requires a pointer or reference">; def err_typecheck_invalid_restrict_invalid_pointee : Error< "pointer to function type %0 may not be 'restrict' qualified">; def ext_typecheck_zero_array_size : Extension< "zero size arrays are an extension">, InGroup; def err_typecheck_zero_array_size : Error< "zero-length arrays are not permitted in C++">; def warn_typecheck_zero_static_array_size : Warning< "'static' has no effect on zero-length arrays">, InGroup; def err_array_size_non_int : Error<"size of array has non-integer type %0">; def err_init_element_not_constant : Error< "initializer element is not a compile-time constant">; def ext_aggregate_init_not_constant : Extension< "initializer for aggregate is not a compile-time constant">, InGroup; def err_local_cant_init : Error< "'__local' variable cannot have an initializer">; def err_block_extern_cant_init : Error< "'extern' variable cannot have an initializer">; def warn_extern_init : Warning<"'extern' variable has an initializer">, InGroup>; def err_variable_object_no_init : Error< "variable-sized object may not be initialized">; def err_excess_initializers : Error< "excess elements in %select{array|vector|scalar|union|struct}0 initializer">; def ext_excess_initializers : ExtWarn< "excess elements in %select{array|vector|scalar|union|struct}0 initializer">; def err_excess_initializers_in_char_array_initializer : Error< "excess elements in char array initializer">; def ext_excess_initializers_in_char_array_initializer : ExtWarn< "excess elements in char array initializer">; def err_initializer_string_for_char_array_too_long : Error< "initializer-string for char array is too long">; def ext_initializer_string_for_char_array_too_long : ExtWarn< "initializer-string for char array is too long">; def warn_missing_field_initializers : Warning< "missing field %0 initializer">, InGroup, DefaultIgnore; def warn_braces_around_scalar_init : Warning< "braces around scalar initializer">, InGroup>; def ext_many_braces_around_scalar_init : ExtWarn< "too many braces around scalar initializer">, InGroup>, SFINAEFailure; def ext_complex_component_init : Extension< "complex initialization specifying real and imaginary components " "is an extension">, InGroup>; def err_empty_scalar_initializer : Error<"scalar initializer cannot be empty">; def warn_cxx98_compat_empty_scalar_initializer : Warning< "scalar initialized from empty initializer list is incompatible with C++98">, InGroup, DefaultIgnore; def warn_cxx98_compat_reference_list_init : Warning< "reference initialized from initializer list is incompatible with C++98">, InGroup, DefaultIgnore; def warn_cxx98_compat_initializer_list_init : Warning< "initialization of initializer_list object is incompatible with C++98">, InGroup, DefaultIgnore; def warn_cxx98_compat_ctor_list_init : Warning< "constructor call from initializer list is incompatible with C++98">, InGroup, DefaultIgnore; def err_illegal_initializer : Error< "illegal initializer (only variables can be initialized)">; def err_illegal_initializer_type : Error<"illegal initializer type %0">; def ext_init_list_type_narrowing : ExtWarn< "type %0 cannot be narrowed to %1 in initializer list">, InGroup, DefaultError, SFINAEFailure; def ext_init_list_variable_narrowing : ExtWarn< "non-constant-expression cannot be narrowed from type %0 to %1 in " "initializer list">, InGroup, DefaultError, SFINAEFailure; def ext_init_list_constant_narrowing : ExtWarn< "constant expression evaluates to %0 which cannot be narrowed to type %1">, InGroup, DefaultError, SFINAEFailure; def warn_init_list_type_narrowing : Warning< "type %0 cannot be narrowed to %1 in initializer list in C++11">, InGroup, DefaultIgnore; def warn_init_list_variable_narrowing : Warning< "non-constant-expression cannot be narrowed from type %0 to %1 in " "initializer list in C++11">, InGroup, DefaultIgnore; def warn_init_list_constant_narrowing : Warning< "constant expression evaluates to %0 which cannot be narrowed to type %1 in " "C++11">, InGroup, DefaultIgnore; def note_init_list_narrowing_silence : Note< "insert an explicit cast to silence this issue">; def err_init_objc_class : Error< "cannot initialize Objective-C class type %0">; def err_implicit_empty_initializer : Error< "initializer for aggregate with no elements requires explicit braces">; def err_bitfield_has_negative_width : Error< "bit-field %0 has negative width (%1)">; def err_anon_bitfield_has_negative_width : Error< "anonymous bit-field has negative width (%0)">; def err_bitfield_has_zero_width : Error<"named bit-field %0 has zero width">; def err_bitfield_width_exceeds_type_width : Error< "width of bit-field %0 (%1 bits) exceeds %select{width|size}2 " "of its type (%3 bit%s3)">; def err_anon_bitfield_width_exceeds_type_width : Error< "width of anonymous bit-field (%0 bits) exceeds %select{width|size}1 " "of its type (%2 bit%s2)">; def err_incorrect_number_of_vector_initializers : Error< "number of elements must be either one or match the size of the vector">; // Used by C++ which allows bit-fields that are wider than the type. def warn_bitfield_width_exceeds_type_width: Warning< "width of bit-field %0 (%1 bits) exceeds the width of its type; value will " "be truncated to %2 bit%s2">, InGroup; def warn_anon_bitfield_width_exceeds_type_width : Warning< "width of anonymous bit-field (%0 bits) exceeds width of its type; value " "will be truncated to %1 bit%s1">, InGroup; def warn_bitfield_too_small_for_enum : Warning< "bit-field %0 is not wide enough to store all enumerators of %1">, InGroup, DefaultIgnore; def note_widen_bitfield : Note< "widen this field to %0 bits to store all values of %1">; def warn_unsigned_bitfield_assigned_signed_enum : Warning< "assigning value of signed enum type %1 to unsigned bit-field %0; " "negative enumerators of enum %1 will be converted to positive values">, InGroup, DefaultIgnore; def warn_signed_bitfield_enum_conversion : Warning< "signed bit-field %0 needs an extra bit to represent the largest positive " "enumerators of %1">, InGroup, DefaultIgnore; def note_change_bitfield_sign : Note< "consider making the bitfield type %select{unsigned|signed}0">; def warn_missing_braces : Warning< "suggest braces around initialization of subobject">, InGroup, DefaultIgnore; def err_redefinition_of_label : Error<"redefinition of label %0">; def err_undeclared_label_use : Error<"use of undeclared label %0">; def err_goto_ms_asm_label : Error< "cannot jump from this goto statement to label %0 inside an inline assembly block">; def note_goto_ms_asm_label : Note< "inline assembly label %0 declared here">; def warn_unused_label : Warning<"unused label %0">, InGroup, DefaultIgnore; def err_goto_into_protected_scope : Error< "cannot jump from this goto statement to its label">; def ext_goto_into_protected_scope : ExtWarn< "jump from this goto statement to its label is a Microsoft extension">, InGroup; def warn_cxx98_compat_goto_into_protected_scope : Warning< "jump from this goto statement to its label is incompatible with C++98">, InGroup, DefaultIgnore; def err_switch_into_protected_scope : Error< "cannot jump from switch statement to this case label">; def warn_cxx98_compat_switch_into_protected_scope : Warning< "jump from switch statement to this case label is incompatible with C++98">, InGroup, DefaultIgnore; def err_indirect_goto_without_addrlabel : Error< "indirect goto in function with no address-of-label expressions">; def err_indirect_goto_in_protected_scope : Error< "cannot jump from this %select{indirect|asm}0 goto statement to one of its possible targets">; def warn_cxx98_compat_indirect_goto_in_protected_scope : Warning< "jump from this %select{indirect|asm}0 goto statement to one of its possible targets " "is incompatible with C++98">, InGroup, DefaultIgnore; def note_indirect_goto_target : Note< "possible target of %select{indirect|asm}0 goto statement">; def note_protected_by_variable_init : Note< "jump bypasses variable initialization">; def note_protected_by_variable_nontriv_destructor : Note< "jump bypasses variable with a non-trivial destructor">; def note_protected_by_variable_non_pod : Note< "jump bypasses initialization of non-POD variable">; def note_protected_by_cleanup : Note< "jump bypasses initialization of variable with __attribute__((cleanup))">; def note_protected_by_vla_typedef : Note< "jump bypasses initialization of VLA typedef">; def note_protected_by_vla_type_alias : Note< "jump bypasses initialization of VLA type alias">; def note_protected_by_constexpr_if : Note< "jump enters controlled statement of constexpr if">; def note_protected_by_if_available : Note< "jump enters controlled statement of if available">; def note_protected_by_vla : Note< "jump bypasses initialization of variable length array">; def note_protected_by_objc_fast_enumeration : Note< "jump enters Objective-C fast enumeration loop">; def note_protected_by_objc_try : Note< "jump bypasses initialization of @try block">; def note_protected_by_objc_catch : Note< "jump bypasses initialization of @catch block">; def note_protected_by_objc_finally : Note< "jump bypasses initialization of @finally block">; def note_protected_by_objc_synchronized : Note< "jump bypasses initialization of @synchronized block">; def note_protected_by_objc_autoreleasepool : Note< "jump bypasses auto release push of @autoreleasepool block">; def note_protected_by_cxx_try : Note< "jump bypasses initialization of try block">; def note_protected_by_cxx_catch : Note< "jump bypasses initialization of catch block">; def note_protected_by_seh_try : Note< "jump bypasses initialization of __try block">; def note_protected_by_seh_except : Note< "jump bypasses initialization of __except block">; def note_protected_by_seh_finally : Note< "jump bypasses initialization of __finally block">; def note_protected_by___block : Note< "jump bypasses setup of __block variable">; def note_protected_by_objc_strong_init : Note< "jump bypasses initialization of __strong variable">; def note_protected_by_objc_weak_init : Note< "jump bypasses initialization of __weak variable">; def note_protected_by_non_trivial_c_struct_init : Note< "jump bypasses initialization of variable of non-trivial C struct type">; def note_enters_block_captures_cxx_obj : Note< "jump enters lifetime of block which captures a destructible C++ object">; def note_enters_block_captures_strong : Note< "jump enters lifetime of block which strongly captures a variable">; def note_enters_block_captures_weak : Note< "jump enters lifetime of block which weakly captures a variable">; def note_enters_block_captures_non_trivial_c_struct : Note< "jump enters lifetime of block which captures a C struct that is non-trivial " "to destroy">; def note_exits_cleanup : Note< "jump exits scope of variable with __attribute__((cleanup))">; def note_exits_dtor : Note< "jump exits scope of variable with non-trivial destructor">; def note_exits_temporary_dtor : Note< "jump exits scope of lifetime-extended temporary with non-trivial " "destructor">; def note_exits___block : Note< "jump exits scope of __block variable">; def note_exits_objc_try : Note< "jump exits @try block">; def note_exits_objc_catch : Note< "jump exits @catch block">; def note_exits_objc_finally : Note< "jump exits @finally block">; def note_exits_objc_synchronized : Note< "jump exits @synchronized block">; def note_exits_cxx_try : Note< "jump exits try block">; def note_exits_cxx_catch : Note< "jump exits catch block">; def note_exits_seh_try : Note< "jump exits __try block">; def note_exits_seh_except : Note< "jump exits __except block">; def note_exits_seh_finally : Note< "jump exits __finally block">; def note_exits_objc_autoreleasepool : Note< "jump exits autoreleasepool block">; def note_exits_objc_strong : Note< "jump exits scope of __strong variable">; def note_exits_objc_weak : Note< "jump exits scope of __weak variable">; def note_exits_block_captures_cxx_obj : Note< "jump exits lifetime of block which captures a destructible C++ object">; def note_exits_block_captures_strong : Note< "jump exits lifetime of block which strongly captures a variable">; def note_exits_block_captures_weak : Note< "jump exits lifetime of block which weakly captures a variable">; def note_exits_block_captures_non_trivial_c_struct : Note< "jump exits lifetime of block which captures a C struct that is non-trivial " "to destroy">; def err_func_returning_qualified_void : ExtWarn< "function cannot return qualified void type %0">, InGroup>; def err_func_returning_array_function : Error< "function cannot return %select{array|function}0 type %1">; def err_field_declared_as_function : Error<"field %0 declared as a function">; def err_field_incomplete : Error<"field has incomplete type %0">; def ext_variable_sized_type_in_struct : ExtWarn< "field %0 with variable sized type %1 not at the end of a struct or class is" " a GNU extension">, InGroup; def ext_c99_flexible_array_member : Extension< "flexible array members are a C99 feature">, InGroup; def err_flexible_array_virtual_base : Error< "flexible array member %0 not allowed in " "%select{struct|interface|union|class|enum}1 which has a virtual base class">; def err_flexible_array_empty_aggregate : Error< "flexible array member %0 not allowed in otherwise empty " "%select{struct|interface|union|class|enum}1">; def err_flexible_array_has_nontrivial_dtor : Error< "flexible array member %0 of type %1 with non-trivial destruction">; def ext_flexible_array_in_struct : Extension< "%0 may not be nested in a struct due to flexible array member">, InGroup; def ext_flexible_array_in_array : Extension< "%0 may not be used as an array element due to flexible array member">, InGroup; def err_flexible_array_init : Error< "initialization of flexible array member is not allowed">; def ext_flexible_array_empty_aggregate_ms : Extension< "flexible array member %0 in otherwise empty " "%select{struct|interface|union|class|enum}1 is a Microsoft extension">, InGroup; def err_flexible_array_union : Error< "flexible array member %0 in a union is not allowed">; def ext_flexible_array_union_ms : Extension< "flexible array member %0 in a union is a Microsoft extension">, InGroup; def ext_flexible_array_empty_aggregate_gnu : Extension< "flexible array member %0 in otherwise empty " "%select{struct|interface|union|class|enum}1 is a GNU extension">, InGroup; def ext_flexible_array_union_gnu : Extension< "flexible array member %0 in a union is a GNU extension">, InGroup; def err_flexible_array_not_at_end : Error< "flexible array member %0 with type %1 is not at the end of" " %select{struct|interface|union|class|enum}2">; def err_objc_variable_sized_type_not_at_end : Error< "field %0 with variable sized type %1 is not at the end of class">; def note_next_field_declaration : Note< "next field declaration is here">; def note_next_ivar_declaration : Note< "next %select{instance variable declaration|synthesized instance variable}0" " is here">; def err_synthesize_variable_sized_ivar : Error< "synthesized property with variable size type %0" " requires an existing instance variable">; def err_flexible_array_arc_retainable : Error< "ARC forbids flexible array members with retainable object type">; def warn_variable_sized_ivar_visibility : Warning< "field %0 with variable sized type %1 is not visible to subclasses and" " can conflict with their instance variables">, InGroup; def warn_superclass_variable_sized_type_not_at_end : Warning< "field %0 can overwrite instance variable %1 with variable sized type %2" " in superclass %3">, InGroup; let CategoryName = "ARC Semantic Issue" in { // ARC-mode diagnostics. let CategoryName = "ARC Weak References" in { def err_arc_weak_no_runtime : Error< "cannot create __weak reference because the current deployment target " "does not support weak references">; def err_arc_weak_disabled : Error< "cannot create __weak reference in file using manual reference counting">; def err_synthesizing_arc_weak_property_disabled : Error< "cannot synthesize weak property in file using manual reference counting">; def err_synthesizing_arc_weak_property_no_runtime : Error< "cannot synthesize weak property because the current deployment target " "does not support weak references">; def err_arc_unsupported_weak_class : Error< "class is incompatible with __weak references">; def err_arc_weak_unavailable_assign : Error< "assignment of a weak-unavailable object to a __weak object">; def err_arc_weak_unavailable_property : Error< "synthesizing __weak instance variable of type %0, which does not " "support weak references">; def note_implemented_by_class : Note< "when implemented by class %0">; def err_arc_convesion_of_weak_unavailable : Error< "%select{implicit conversion|cast}0 of weak-unavailable object of type %1 to" " a __weak object of type %2">; } // end "ARC Weak References" category let CategoryName = "ARC Restrictions" in { def err_unavailable_in_arc : Error< "%0 is unavailable in ARC">; def note_arc_forbidden_type : Note< "declaration uses type that is ill-formed in ARC">; def note_performs_forbidden_arc_conversion : Note< "inline function performs a conversion which is forbidden in ARC">; def note_arc_init_returns_unrelated : Note< "init method must return a type related to its receiver type">; def note_arc_weak_disabled : Note< "declaration uses __weak, but ARC is disabled">; def note_arc_weak_no_runtime : Note<"declaration uses __weak, which " "the current deployment target does not support">; def note_arc_field_with_ownership : Note< "field has non-trivial ownership qualification">; def err_arc_illegal_explicit_message : Error< "ARC forbids explicit message send of %0">; def err_arc_unused_init_message : Error< "the result of a delegate init call must be immediately returned " "or assigned to 'self'">; def err_arc_mismatched_cast : Error< "%select{implicit conversion|cast}0 of " "%select{%2|a non-Objective-C pointer type %2|a block pointer|" "an Objective-C pointer|an indirect pointer to an Objective-C pointer}1" " to %3 is disallowed with ARC">; def err_arc_nolifetime_behavior : Error< "explicit ownership qualifier on cast result has no effect">; def err_arc_objc_object_in_tag : Error< "ARC forbids %select{Objective-C objects|blocks}0 in " "%select{struct|interface|union|<>|enum}1">; def err_arc_objc_property_default_assign_on_object : Error< "ARC forbids synthesizing a property of an Objective-C object " "with unspecified ownership or storage attribute">; def err_arc_illegal_selector : Error< "ARC forbids use of %0 in a @selector">; def err_arc_illegal_method_def : Error< "ARC forbids %select{implementation|synthesis}0 of %1">; def warn_arc_strong_pointer_objc_pointer : Warning< "method parameter of type %0 with no explicit ownership">, InGroup>, DefaultIgnore; } // end "ARC Restrictions" category def err_arc_lost_method_convention : Error< "method was declared as %select{an 'alloc'|a 'copy'|an 'init'|a 'new'}0 " "method, but its implementation doesn't match because %select{" "its result type is not an object pointer|" "its result type is unrelated to its receiver type}1">; def note_arc_lost_method_convention : Note<"declaration in interface">; def err_arc_gained_method_convention : Error< "method implementation does not match its declaration">; def note_arc_gained_method_convention : Note< "declaration in interface is not in the '%select{alloc|copy|init|new}0' " "family because %select{its result type is not an object pointer|" "its result type is unrelated to its receiver type}1">; def err_typecheck_arc_assign_self : Error< "cannot assign to 'self' outside of a method in the init family">; def err_typecheck_arc_assign_self_class_method : Error< "cannot assign to 'self' in a class method">; def err_typecheck_arr_assign_enumeration : Error< "fast enumeration variables cannot be modified in ARC by default; " "declare the variable __strong to allow this">; def err_typecheck_arc_assign_externally_retained : Error< "variable declared with 'objc_externally_retained' " "cannot be modified in ARC">; def warn_arc_retained_assign : Warning< "assigning retained object to %select{weak|unsafe_unretained}0 " "%select{property|variable}1" "; object will be released after assignment">, InGroup; def warn_arc_retained_property_assign : Warning< "assigning retained object to unsafe property" "; object will be released after assignment">, InGroup; def warn_arc_literal_assign : Warning< "assigning %select{array literal|dictionary literal|numeric literal|boxed expression||block literal}0" " to a weak %select{property|variable}1" "; object will be released after assignment">, InGroup; def err_arc_new_array_without_ownership : Error< "'new' cannot allocate an array of %0 with no explicit ownership">; def err_arc_autoreleasing_var : Error< "%select{__block variables|global variables|fields|instance variables}0 cannot have " "__autoreleasing ownership">; def err_arc_autoreleasing_capture : Error< "cannot capture __autoreleasing variable in a " "%select{block|lambda by copy}0">; def err_arc_thread_ownership : Error< "thread-local variable has non-trivial ownership: type is %0">; def err_arc_indirect_no_ownership : Error< "%select{pointer|reference}1 to non-const type %0 with no explicit ownership">; def err_arc_array_param_no_ownership : Error< "must explicitly describe intended ownership of an object array parameter">; def err_arc_pseudo_dtor_inconstant_quals : Error< "pseudo-destructor destroys object of type %0 with inconsistently-qualified " "type %1">; def err_arc_init_method_unrelated_result_type : Error< "init methods must return a type related to the receiver type">; def err_arc_nonlocal_writeback : Error< "passing address of %select{non-local|non-scalar}0 object to " "__autoreleasing parameter for write-back">; def err_arc_method_not_found : Error< "no known %select{instance|class}1 method for selector %0">; def err_arc_receiver_forward_class : Error< "receiver %0 for class message is a forward declaration">; def err_arc_may_not_respond : Error< "no visible @interface for %0 declares the selector %1">; def err_arc_receiver_forward_instance : Error< "receiver type %0 for instance message is a forward declaration">; def warn_receiver_forward_instance : Warning< "receiver type %0 for instance message is a forward declaration">, InGroup, DefaultIgnore; def err_arc_collection_forward : Error< "collection expression type %0 is a forward declaration">; def err_arc_multiple_method_decl : Error< "multiple methods named %0 found with mismatched result, " "parameter type or attributes">; def warn_arc_lifetime_result_type : Warning< "ARC %select{unused|__unsafe_unretained|__strong|__weak|__autoreleasing}0 " "lifetime qualifier on return type is ignored">, InGroup; let CategoryName = "ARC Retain Cycle" in { def warn_arc_retain_cycle : Warning< "capturing %0 strongly in this block is likely to lead to a retain cycle">, InGroup; def note_arc_retain_cycle_owner : Note< "block will be retained by %select{the captured object|an object strongly " "retained by the captured object}0">; } // end "ARC Retain Cycle" category def warn_arc_object_memaccess : Warning< "%select{destination for|source of}0 this %1 call is a pointer to " "ownership-qualified type %2">, InGroup; let CategoryName = "ARC and @properties" in { def err_arc_strong_property_ownership : Error< "existing instance variable %1 for strong property %0 may not be " "%select{|__unsafe_unretained||__weak}2">; def err_arc_assign_property_ownership : Error< "existing instance variable %1 for property %0 with %select{unsafe_unretained|assign}2 " "attribute must be __unsafe_unretained">; def err_arc_inconsistent_property_ownership : Error< "%select{|unsafe_unretained|strong|weak}1 property %0 may not also be " "declared %select{|__unsafe_unretained|__strong|__weak|__autoreleasing}2">; } // end "ARC and @properties" category def warn_block_capture_autoreleasing : Warning< "block captures an autoreleasing out-parameter, which may result in " "use-after-free bugs">, InGroup; def note_declare_parameter_strong : Note< "declare the parameter __strong or capture a __block __strong variable to " "keep values alive across autorelease pools">; def err_arc_atomic_ownership : Error< "cannot perform atomic operation on a pointer to type %0: type has " "non-trivial ownership">; let CategoryName = "ARC Casting Rules" in { def err_arc_bridge_cast_incompatible : Error< "incompatible types casting %0 to %1 with a %select{__bridge|" "__bridge_transfer|__bridge_retained}2 cast">; def err_arc_bridge_cast_wrong_kind : Error< "cast of %select{Objective-C|block|C}0 pointer type %1 to " "%select{Objective-C|block|C}2 pointer type %3 cannot use %select{__bridge|" "__bridge_transfer|__bridge_retained}4">; def err_arc_cast_requires_bridge : Error< "%select{cast|implicit conversion}0 of %select{Objective-C|block|C}1 " "pointer type %2 to %select{Objective-C|block|C}3 pointer type %4 " "requires a bridged cast">; def note_arc_bridge : Note< "use __bridge to convert directly (no change in ownership)">; def note_arc_cstyle_bridge : Note< "use __bridge with C-style cast to convert directly (no change in ownership)">; def note_arc_bridge_transfer : Note< "use %select{__bridge_transfer|CFBridgingRelease call}1 to transfer " "ownership of a +1 %0 into ARC">; def note_arc_cstyle_bridge_transfer : Note< "use __bridge_transfer with C-style cast to transfer " "ownership of a +1 %0 into ARC">; def note_arc_bridge_retained : Note< "use %select{__bridge_retained|CFBridgingRetain call}1 to make an " "ARC object available as a +1 %0">; def note_arc_cstyle_bridge_retained : Note< "use __bridge_retained with C-style cast to make an " "ARC object available as a +1 %0">; } // ARC Casting category } // ARC category name def err_flexible_array_init_needs_braces : Error< "flexible array requires brace-enclosed initializer">; def err_illegal_decl_array_of_functions : Error< "'%0' declared as array of functions of type %1">; def err_illegal_decl_array_incomplete_type : Error< "array has incomplete element type %0">; def err_illegal_message_expr_incomplete_type : Error< "Objective-C message has incomplete result type %0">; def err_illegal_decl_array_of_references : Error< "'%0' declared as array of references of type %1">; def err_decl_negative_array_size : Error< "'%0' declared as an array with a negative size">; def err_array_static_outside_prototype : Error< "%0 used in array declarator outside of function prototype">; def err_array_static_not_outermost : Error< "%0 used in non-outermost array type derivation">; def err_array_star_outside_prototype : Error< "star modifier used outside of function prototype">; def err_illegal_decl_pointer_to_reference : Error< "'%0' declared as a pointer to a reference of type %1">; def err_illegal_decl_mempointer_to_reference : Error< "'%0' declared as a member pointer to a reference of type %1">; def err_illegal_decl_mempointer_to_void : Error< "'%0' declared as a member pointer to void">; def err_illegal_decl_mempointer_in_nonclass : Error< "'%0' does not point into a class">; def err_mempointer_in_nonclass_type : Error< "member pointer refers into non-class type %0">; def err_reference_to_void : Error<"cannot form a reference to 'void'">; def err_nonfunction_block_type : Error< "block pointer to non-function type is invalid">; def err_return_block_has_expr : Error<"void block should not return a value">; def err_block_return_missing_expr : Error< "non-void block should return a value">; def err_func_def_incomplete_result : Error< "incomplete result type %0 in function definition">; def err_atomic_specifier_bad_type : Error< "_Atomic cannot be applied to " "%select{incomplete |array |function |reference |atomic |qualified |}0type " "%1 %select{||||||which is not trivially copyable}0">; // Expressions. def select_unary_expr_or_type_trait_kind : TextSubstitution< "%select{sizeof|alignof|vec_step|__builtin_omp_required_simd_align|" "__alignof}0">; def ext_sizeof_alignof_function_type : Extension< "invalid application of '%sub{select_unary_expr_or_type_trait_kind}0' " "to a function type">, InGroup; def ext_sizeof_alignof_void_type : Extension< "invalid application of '%sub{select_unary_expr_or_type_trait_kind}0' " "to a void type">, InGroup; def err_opencl_sizeof_alignof_type : Error< "invalid application of '%sub{select_unary_expr_or_type_trait_kind}0' " "to a void type">; def err_sizeof_alignof_incomplete_type : Error< "invalid application of '%sub{select_unary_expr_or_type_trait_kind}0' " "to an incomplete type %1">; def err_sizeof_alignof_function_type : Error< "invalid application of '%sub{select_unary_expr_or_type_trait_kind}0' " "to a function type">; def err_openmp_default_simd_align_expr : Error< "invalid application of '__builtin_omp_required_simd_align' to an expression, only type is allowed">; def err_sizeof_alignof_typeof_bitfield : Error< "invalid application of '%select{sizeof|alignof|typeof}0' to bit-field">; def err_alignof_member_of_incomplete_type : Error< "invalid application of 'alignof' to a field of a class still being defined">; def err_vecstep_non_scalar_vector_type : Error< "'vec_step' requires built-in scalar or vector type, %0 invalid">; def err_offsetof_incomplete_type : Error< "offsetof of incomplete type %0">; def err_offsetof_record_type : Error< "offsetof requires struct, union, or class type, %0 invalid">; def err_offsetof_array_type : Error<"offsetof requires array type, %0 invalid">; def ext_offsetof_non_pod_type : ExtWarn<"offset of on non-POD type %0">, InGroup; def ext_offsetof_non_standardlayout_type : ExtWarn< "offset of on non-standard-layout type %0">, InGroup; def err_offsetof_bitfield : Error<"cannot compute offset of bit-field %0">; def err_offsetof_field_of_virtual_base : Error< "invalid application of 'offsetof' to a field of a virtual base">; def warn_sub_ptr_zero_size_types : Warning< "subtraction of pointers to type %0 of zero size has undefined behavior">, InGroup; def warn_pointer_arith_null_ptr : Warning< "performing pointer arithmetic on a null pointer has undefined behavior%select{| if the offset is nonzero}0">, InGroup, DefaultIgnore; def warn_gnu_null_ptr_arith : Warning< "arithmetic on a null pointer treated as a cast from integer to pointer is a GNU extension">, InGroup, DefaultIgnore; def warn_floatingpoint_eq : Warning< "comparing floating point with == or != is unsafe">, InGroup>, DefaultIgnore; def warn_remainder_division_by_zero : Warning< "%select{remainder|division}0 by zero is undefined">, InGroup; def warn_shift_lhs_negative : Warning<"shifting a negative signed value is undefined">, InGroup>; def warn_shift_negative : Warning<"shift count is negative">, InGroup>; def warn_shift_gt_typewidth : Warning<"shift count >= width of type">, InGroup>; def warn_shift_result_gt_typewidth : Warning< "signed shift result (%0) requires %1 bits to represent, but %2 only has " "%3 bits">, InGroup>; def warn_shift_result_sets_sign_bit : Warning< "signed shift result (%0) sets the sign bit of the shift expression's " "type (%1) and becomes negative">, InGroup>, DefaultIgnore; def warn_precedence_bitwise_rel : Warning< "%0 has lower precedence than %1; %1 will be evaluated first">, InGroup; def note_precedence_bitwise_first : Note< "place parentheses around the %0 expression to evaluate it first">; def note_precedence_silence : Note< "place parentheses around the '%0' expression to silence this warning">; def warn_precedence_conditional : Warning< "operator '?:' has lower precedence than '%0'; '%0' will be evaluated first">, InGroup; def note_precedence_conditional_first : Note< "place parentheses around the '?:' expression to evaluate it first">; def warn_logical_instead_of_bitwise : Warning< "use of logical '%0' with constant operand">, InGroup>; def note_logical_instead_of_bitwise_change_operator : Note< "use '%0' for a bitwise operation">; def note_logical_instead_of_bitwise_remove_constant : Note< "remove constant to silence this warning">; def warn_bitwise_op_in_bitwise_op : Warning< "'%0' within '%1'">, InGroup, DefaultIgnore; def warn_logical_and_in_logical_or : Warning< "'&&' within '||'">, InGroup, DefaultIgnore; def warn_overloaded_shift_in_comparison :Warning< "overloaded operator %select{>>|<<}0 has higher precedence than " "comparison operator">, InGroup; def note_evaluate_comparison_first :Note< "place parentheses around comparison expression to evaluate it first">; def warn_addition_in_bitshift : Warning< "operator '%0' has lower precedence than '%1'; " "'%1' will be evaluated first">, InGroup; def warn_self_assignment_builtin : Warning< "explicitly assigning value of variable of type %0 to itself">, InGroup, DefaultIgnore; def warn_self_assignment_overloaded : Warning< "explicitly assigning value of variable of type %0 to itself">, InGroup, DefaultIgnore; def warn_self_move : Warning< "explicitly moving variable of type %0 to itself">, InGroup, DefaultIgnore; def warn_redundant_move_on_return : Warning< "redundant move in return statement">, InGroup, DefaultIgnore; def warn_pessimizing_move_on_return : Warning< "moving a local object in a return statement prevents copy elision">, InGroup, DefaultIgnore; def warn_pessimizing_move_on_initialization : Warning< "moving a temporary object prevents copy elision">, InGroup, DefaultIgnore; def note_remove_move : Note<"remove std::move call here">; def warn_return_std_move : Warning< "local variable %0 will be copied despite being %select{returned|thrown}1 by name">, InGroup, DefaultIgnore; def note_add_std_move : Note< "call 'std::move' explicitly to avoid copying">; def warn_return_std_move_in_cxx11 : Warning< "prior to the resolution of a defect report against ISO C++11, " "local variable %0 would have been copied despite being returned by name, " "due to its not matching the function return type%diff{ ($ vs $)|}1,2">, InGroup, DefaultIgnore; def note_add_std_move_in_cxx11 : Note< "call 'std::move' explicitly to avoid copying on older compilers">; def warn_string_plus_int : Warning< "adding %0 to a string does not append to the string">, InGroup; def warn_string_plus_char : Warning< "adding %0 to a string pointer does not append to the string">, InGroup; def note_string_plus_scalar_silence : Note< "use array indexing to silence this warning">; def warn_sizeof_array_param : Warning< "sizeof on array function parameter will return size of %0 instead of %1">, InGroup; def warn_sizeof_array_decay : Warning< "sizeof on pointer operation will return size of %0 instead of %1">, InGroup; def err_sizeof_nonfragile_interface : Error< "application of '%select{alignof|sizeof}1' to interface %0 is " "not supported on this architecture and platform">; def err_atdef_nonfragile_interface : Error< "use of @defs is not supported on this architecture and platform">; def err_subscript_nonfragile_interface : Error< "subscript requires size of interface %0, which is not constant for " "this architecture and platform">; def err_arithmetic_nonfragile_interface : Error< "arithmetic on pointer to interface %0, which is not a constant size for " "this architecture and platform">; def warn_deprecated_comma_subscript : Warning< "top-level comma expression in array subscript is deprecated">, InGroup; def ext_subscript_non_lvalue : Extension< "ISO C90 does not allow subscripting non-lvalue array">; def err_typecheck_subscript_value : Error< "subscripted value is not an array, pointer, or vector">; def err_typecheck_subscript_not_integer : Error< "array subscript is not an integer">; def err_subscript_function_type : Error< "subscript of pointer to function type %0">; def err_subscript_incomplete_type : Error< "subscript of pointer to incomplete type %0">; def err_dereference_incomplete_type : Error< "dereference of pointer to incomplete type %0">; def ext_gnu_subscript_void_type : Extension< "subscript of a pointer to void is a GNU extension">, InGroup; def err_typecheck_member_reference_struct_union : Error< "member reference base type %0 is not a structure or union">; def err_typecheck_member_reference_ivar : Error< "%0 does not have a member named %1">; def err_arc_weak_ivar_access : Error< "dereferencing a __weak pointer is not allowed due to possible " "null value caused by race condition, assign it to strong variable first">; def err_typecheck_member_reference_arrow : Error< "member reference type %0 is not a pointer">; def err_typecheck_member_reference_suggestion : Error< "member reference type %0 is %select{a|not a}1 pointer; did you mean to use '%select{->|.}1'?">; def note_typecheck_member_reference_suggestion : Note< "did you mean to use '.' instead?">; def note_member_reference_arrow_from_operator_arrow : Note< "'->' applied to return value of the operator->() declared here">; def err_typecheck_member_reference_type : Error< "cannot refer to type member %0 in %1 with '%select{.|->}2'">; def err_typecheck_member_reference_unknown : Error< "cannot refer to member %0 in %1 with '%select{.|->}2'">; def err_member_reference_needs_call : Error< "base of member reference is a function; perhaps you meant to call " "it%select{| with no arguments}0?">; def warn_subscript_is_char : Warning<"array subscript is of type 'char'">, InGroup, DefaultIgnore; def err_typecheck_incomplete_tag : Error<"incomplete definition of type %0">; def err_no_member : Error<"no member named %0 in %1">; def err_no_member_overloaded_arrow : Error< "no member named %0 in %1; did you mean to use '->' instead of '.'?">; def err_member_not_yet_instantiated : Error< "no member %0 in %1; it has not yet been instantiated">; def note_non_instantiated_member_here : Note< "not-yet-instantiated member is declared here">; def err_enumerator_does_not_exist : Error< "enumerator %0 does not exist in instantiation of %1">; def note_enum_specialized_here : Note< "enum %0 was explicitly specialized here">; def err_specialization_not_primary_template : Error< "cannot reference member of primary template because deduced class " "template specialization %0 is %select{instantiated from a partial|" "an explicit}1 specialization">; def err_member_redeclared : Error<"class member cannot be redeclared">; def ext_member_redeclared : ExtWarn<"class member cannot be redeclared">, InGroup; def err_member_redeclared_in_instantiation : Error< "multiple overloads of %0 instantiate to the same signature %1">; def err_member_name_of_class : Error<"member %0 has the same name as its class">; def err_member_def_undefined_record : Error< "out-of-line definition of %0 from class %1 without definition">; def err_member_decl_does_not_match : Error< "out-of-line %select{declaration|definition}2 of %0 " "does not match any declaration in %1">; def err_friend_decl_with_def_arg_must_be_def : Error< "friend declaration specifying a default argument must be a definition">; def err_friend_decl_with_def_arg_redeclared : Error< "friend declaration specifying a default argument must be the only declaration">; def err_friend_decl_does_not_match : Error< "friend declaration of %0 does not match any declaration in %1">; def err_member_decl_does_not_match_suggest : Error< "out-of-line %select{declaration|definition}2 of %0 " "does not match any declaration in %1; did you mean %3?">; def err_member_def_does_not_match_ret_type : Error< "return type of out-of-line definition of %q0 differs from " "that in the declaration">; def err_nonstatic_member_out_of_line : Error< "non-static data member defined out-of-line">; def err_qualified_typedef_declarator : Error< "typedef declarator cannot be qualified">; def err_qualified_param_declarator : Error< "parameter declarator cannot be qualified">; def ext_out_of_line_declaration : ExtWarn< "out-of-line declaration of a member must be a definition">, InGroup, DefaultError; def err_member_extra_qualification : Error< "extra qualification on member %0">; def warn_member_extra_qualification : Warning< err_member_extra_qualification.Text>, InGroup; def warn_namespace_member_extra_qualification : Warning< "extra qualification on member %0">, InGroup>; def err_member_qualification : Error< "non-friend class member %0 cannot have a qualified name">; def note_member_def_close_match : Note<"member declaration nearly matches">; def note_member_def_close_const_match : Note< "member declaration does not match because " "it %select{is|is not}0 const qualified">; def note_member_def_close_param_match : Note< "type of %ordinal0 parameter of member declaration does not match definition" "%diff{ ($ vs $)|}1,2">; def note_local_decl_close_match : Note<"local declaration nearly matches">; def note_local_decl_close_param_match : Note< "type of %ordinal0 parameter of local declaration does not match definition" "%diff{ ($ vs $)|}1,2">; def err_typecheck_ivar_variable_size : Error< "instance variables must have a constant size">; def err_ivar_reference_type : Error< "instance variables cannot be of reference type">; def err_typecheck_illegal_increment_decrement : Error< "cannot %select{decrement|increment}1 value of type %0">; def err_typecheck_expect_int : Error< "used type %0 where integer is required">; def err_typecheck_arithmetic_incomplete_type : Error< "arithmetic on a pointer to an incomplete type %0">; def err_typecheck_pointer_arith_function_type : Error< "arithmetic on%select{ a|}0 pointer%select{|s}0 to%select{ the|}2 " "function type%select{|s}2 %1%select{| and %3}2">; def err_typecheck_pointer_arith_void_type : Error< "arithmetic on%select{ a|}0 pointer%select{|s}0 to void">; def err_typecheck_decl_incomplete_type : Error< "variable has incomplete type %0">; def ext_typecheck_decl_incomplete_type : ExtWarn< "tentative definition of variable with internal linkage has incomplete non-array type %0">, InGroup>; def err_tentative_def_incomplete_type : Error< "tentative definition has type %0 that is never completed">; def warn_tentative_incomplete_array : Warning< "tentative array definition assumed to have one element">; def err_typecheck_incomplete_array_needs_initializer : Error< "definition of variable with array type needs an explicit size " "or an initializer">; def err_array_init_not_init_list : Error< "array initializer must be an initializer " "list%select{| or string literal| or wide string literal}0">; def err_array_init_narrow_string_into_wchar : Error< "initializing wide char array with non-wide string literal">; def err_array_init_wide_string_into_char : Error< "initializing char array with wide string literal">; def err_array_init_incompat_wide_string_into_wchar : Error< "initializing wide char array with incompatible wide string literal">; def err_array_init_plain_string_into_char8_t : Error< "initializing 'char8_t' array with plain string literal">; def note_array_init_plain_string_into_char8_t : Note< "add 'u8' prefix to form a 'char8_t' string literal">; def err_array_init_utf8_string_into_char : Error< "%select{|ISO C++20 does not permit }0initialization of char array with " "UTF-8 string literal%select{ is not permitted by '-fchar8_t'|}0">; def warn_cxx2a_compat_utf8_string : Warning< "type of UTF-8 string literal will change from array of const char to " "array of const char8_t in C++2a">, InGroup, DefaultIgnore; def note_cxx2a_compat_utf8_string_remove_u8 : Note< "remove 'u8' prefix to avoid a change of behavior; " "Clang encodes unprefixed narrow string literals as UTF-8">; def err_array_init_different_type : Error< "cannot initialize array %diff{of type $ with array of type $|" "with different type of array}0,1">; def err_array_init_non_constant_array : Error< "cannot initialize array %diff{of type $ with non-constant array of type $|" "with different type of array}0,1">; def ext_array_init_copy : Extension< "initialization of an array " "%diff{of type $ from a compound literal of type $|" "from a compound literal}0,1 is a GNU extension">, InGroup; // This is intentionally not disabled by -Wno-gnu. def ext_array_init_parens : ExtWarn< "parenthesized initialization of a member array is a GNU extension">, InGroup>, DefaultError; def warn_deprecated_string_literal_conversion : Warning< "conversion from string literal to %0 is deprecated">, InGroup; def ext_deprecated_string_literal_conversion : ExtWarn< "ISO C++11 does not allow conversion from string literal to %0">, InGroup, SFINAEFailure; def err_realimag_invalid_type : Error<"invalid type %0 to %1 operator">; def err_typecheck_sclass_fscope : Error< "illegal storage class on file-scoped variable">; def warn_standalone_specifier : Warning<"'%0' ignored on this declaration">, InGroup; def ext_standalone_specifier : ExtWarn<"'%0' is not permitted on a declaration " "of a type">, InGroup; def err_standalone_class_nested_name_specifier : Error< "forward declaration of %select{class|struct|interface|union|enum}0 cannot " "have a nested name specifier">; def err_typecheck_sclass_func : Error<"illegal storage class on function">; def err_static_block_func : Error< "function declared in block scope cannot have 'static' storage class">; def err_typecheck_address_of : Error<"address of %select{bit-field" "|vector element|property expression|register variable}0 requested">; def ext_typecheck_addrof_void : Extension< "ISO C forbids taking the address of an expression of type 'void'">; def err_unqualified_pointer_member_function : Error< "must explicitly qualify name of member function when taking its address">; def err_invalid_form_pointer_member_function : Error< "cannot create a non-constant pointer to member function">; def err_address_of_function_with_pass_object_size_params: Error< "cannot take address of function %0 because parameter %1 has " "pass_object_size attribute">; def err_parens_pointer_member_function : Error< "cannot parenthesize the name of a method when forming a member pointer">; def err_typecheck_invalid_lvalue_addrof_addrof_function : Error< "extra '&' taking address of overloaded function">; def err_typecheck_invalid_lvalue_addrof : Error< "cannot take the address of an rvalue of type %0">; def ext_typecheck_addrof_temporary : ExtWarn< "taking the address of a temporary object of type %0">, InGroup, DefaultError; def err_typecheck_addrof_temporary : Error< "taking the address of a temporary object of type %0">; def err_typecheck_addrof_dtor : Error< "taking the address of a destructor">; def err_typecheck_unary_expr : Error< "invalid argument type %0 to unary expression">; def err_typecheck_indirection_requires_pointer : Error< "indirection requires pointer operand (%0 invalid)">; def ext_typecheck_indirection_through_void_pointer : ExtWarn< "ISO C++ does not allow indirection on operand of type %0">, InGroup>; def warn_indirection_through_null : Warning< "indirection of non-volatile null pointer will be deleted, not trap">, InGroup; def warn_binding_null_to_reference : Warning< "binding dereferenced null pointer to reference has undefined behavior">, InGroup; def note_indirection_through_null : Note< "consider using __builtin_trap() or qualifying pointer with 'volatile'">; def warn_pointer_indirection_from_incompatible_type : Warning< "dereference of type %1 that was reinterpret_cast from type %0 has undefined " "behavior">, InGroup, DefaultIgnore; def warn_taking_address_of_packed_member : Warning< "taking address of packed member %0 of class or structure %q1 may result in an unaligned pointer value">, InGroup>; def err_objc_object_assignment : Error< "cannot assign to class object (%0 invalid)">; def err_typecheck_invalid_operands : Error< "invalid operands to binary expression (%0 and %1)">; def note_typecheck_invalid_operands_converted : Note< "%select{first|second}0 operand was implicitly converted to type %1">; def err_typecheck_logical_vector_expr_gnu_cpp_restrict : Error< "logical expression with vector %select{type %1 and non-vector type %2|types" " %1 and %2}0 is only supported in C++">; def err_typecheck_sub_ptr_compatible : Error< "%diff{$ and $ are not pointers to compatible types|" "pointers to incompatible types}0,1">; def ext_typecheck_ordered_comparison_of_pointer_integer : ExtWarn< "ordered comparison between pointer and integer (%0 and %1)">; def ext_typecheck_ordered_comparison_of_pointer_and_zero : Extension< "ordered comparison between pointer and zero (%0 and %1) is an extension">; def err_typecheck_ordered_comparison_of_pointer_and_zero : Error< "ordered comparison between pointer and zero (%0 and %1)">; def ext_typecheck_ordered_comparison_of_function_pointers : ExtWarn< "ordered comparison of function pointers (%0 and %1)">, InGroup>; def ext_typecheck_comparison_of_fptr_to_void : Extension< "equality comparison between function pointer and void pointer (%0 and %1)">; def err_typecheck_comparison_of_fptr_to_void : Error< "equality comparison between function pointer and void pointer (%0 and %1)">; def ext_typecheck_comparison_of_pointer_integer : ExtWarn< "comparison between pointer and integer (%0 and %1)">, InGroup>; def err_typecheck_comparison_of_pointer_integer : Error< "comparison between pointer and integer (%0 and %1)">; def ext_typecheck_comparison_of_distinct_pointers : ExtWarn< "comparison of distinct pointer types%diff{ ($ and $)|}0,1">, InGroup; def ext_typecheck_cond_incompatible_operands : ExtWarn< "incompatible operand types (%0 and %1)">; def err_cond_voidptr_arc : Error < "operands to conditional of types%diff{ $ and $|}0,1 are incompatible " "in ARC mode">; def err_typecheck_comparison_of_distinct_pointers : Error< "comparison of distinct pointer types%diff{ ($ and $)|}0,1">; def err_typecheck_op_on_nonoverlapping_address_space_pointers : Error< "%select{comparison between %diff{ ($ and $)|}0,1" "|arithmetic operation with operands of type %diff{ ($ and $)|}0,1" "|conditional operator with the second and third operands of type " "%diff{ ($ and $)|}0,1}2" " which are pointers to non-overlapping address spaces">; def err_typecheck_assign_const : Error< "%select{" "cannot assign to return value because function %1 returns a const value|" "cannot assign to variable %1 with const-qualified type %2|" "cannot assign to %select{non-|}1static data member %2 " "with const-qualified type %3|" "cannot assign to non-static data member within const member function %1|" "cannot assign to %select{variable %2|non-static data member %2|lvalue}1 " "with %select{|nested }3const-qualified data member %4|" "read-only variable is not assignable}0">; def note_typecheck_assign_const : Note< "%select{" "function %1 which returns const-qualified type %2 declared here|" "variable %1 declared const here|" "%select{non-|}1static data member %2 declared const here|" "member function %q1 is declared const here|" "%select{|nested }1data member %2 declared const here}0">; def warn_unsigned_always_true_comparison : Warning< "result of comparison of %select{%3|unsigned expression}0 %2 " "%select{unsigned expression|%3}0 is always %4">, InGroup, DefaultIgnore; def warn_unsigned_enum_always_true_comparison : Warning< "result of comparison of %select{%3|unsigned enum expression}0 %2 " "%select{unsigned enum expression|%3}0 is always %4">, InGroup, DefaultIgnore; def warn_tautological_constant_compare : Warning< "result of comparison %select{%3|%1}0 %2 " "%select{%1|%3}0 is always %4">, InGroup, DefaultIgnore; def warn_tautological_compare_objc_bool : Warning< "result of comparison of constant %0 with expression of type BOOL" " is always %1, as the only well defined values for BOOL are YES and NO">, InGroup; def warn_mixed_sign_comparison : Warning< "comparison of integers of different signs: %0 and %1">, InGroup, DefaultIgnore; def warn_out_of_range_compare : Warning< "result of comparison of %select{constant %0|true|false}1 with " "%select{expression of type %2|boolean expression}3 is always %4">, InGroup; def warn_tautological_bool_compare : Warning, InGroup; def warn_comparison_of_mixed_enum_types : Warning< "comparison of two values with different enumeration types" "%diff{ ($ and $)|}0,1">, InGroup; def warn_comparison_of_mixed_enum_types_switch : Warning< "comparison of two values with different enumeration types in switch statement" "%diff{ ($ and $)|}0,1">, InGroup; def warn_null_in_arithmetic_operation : Warning< "use of NULL in arithmetic operation">, InGroup; def warn_null_in_comparison_operation : Warning< "comparison between NULL and non-pointer " "%select{(%1 and NULL)|(NULL and %1)}0">, InGroup; def err_shift_rhs_only_vector : Error< "requested shift is a vector of type %0 but the first operand is not a " "vector (%1)">; def warn_logical_not_on_lhs_of_check : Warning< "logical not is only applied to the left hand side of this " "%select{comparison|bitwise operator}0">, InGroup; def note_logical_not_fix : Note< "add parentheses after the '!' to evaluate the " "%select{comparison|bitwise operator}0 first">; def note_logical_not_silence_with_parens : Note< "add parentheses around left hand side expression to silence this warning">; def err_invalid_this_use : Error< "invalid use of 'this' outside of a non-static member function">; def err_this_static_member_func : Error< "'this' cannot be%select{| implicitly}0 used in a static member function " "declaration">; def err_invalid_member_use_in_static_method : Error< "invalid use of member %0 in static member function">; def err_invalid_qualified_function_type : Error< "%select{non-member function|static member function|deduction guide}0 " "%select{of type %2 |}1cannot have '%3' qualifier">; def err_compound_qualified_function_type : Error< "%select{block pointer|pointer|reference}0 to function type %select{%2 |}1" "cannot have '%3' qualifier">; def err_ref_qualifier_overload : Error< "cannot overload a member function %select{without a ref-qualifier|with " "ref-qualifier '&'|with ref-qualifier '&&'}0 with a member function %select{" "without a ref-qualifier|with ref-qualifier '&'|with ref-qualifier '&&'}1">; def err_invalid_non_static_member_use : Error< "invalid use of non-static data member %0">; def err_nested_non_static_member_use : Error< "%select{call to non-static member function|use of non-static data member}0 " "%2 of %1 from nested type %3">; def warn_cxx98_compat_non_static_member_use : Warning< "use of non-static data member %0 in an unevaluated context is " "incompatible with C++98">, InGroup, DefaultIgnore; def err_invalid_incomplete_type_use : Error< "invalid use of incomplete type %0">; def err_builtin_func_cast_more_than_one_arg : Error< "function-style cast to a builtin type can only take one argument">; def err_value_init_for_array_type : Error< "array types cannot be value-initialized">; def err_init_for_function_type : Error< "cannot create object of function type %0">; def warn_format_nonliteral_noargs : Warning< "format string is not a string literal (potentially insecure)">, InGroup; def warn_format_nonliteral : Warning< "format string is not a string literal">, InGroup, DefaultIgnore; def err_unexpected_interface : Error< "unexpected interface name %0: expected expression">; def err_ref_non_value : Error<"%0 does not refer to a value">; def err_ref_vm_type : Error< "cannot refer to declaration with a variably modified type inside block">; def err_ref_flexarray_type : Error< "cannot refer to declaration of structure variable with flexible array member " "inside block">; def err_ref_array_type : Error< "cannot refer to declaration with an array type inside block">; def err_property_not_found : Error< "property %0 not found on object of type %1">; def err_invalid_property_name : Error< "%0 is not a valid property name (accessing an object of type %1)">; def err_getter_not_found : Error< "no getter method for read from property">; def err_objc_subscript_method_not_found : Error< "expected method to %select{read|write}1 %select{dictionary|array}2 element not " "found on object of type %0">; def err_objc_subscript_index_type : Error< "method index parameter type %0 is not integral type">; def err_objc_subscript_key_type : Error< "method key parameter type %0 is not object type">; def err_objc_subscript_dic_object_type : Error< "method object parameter type %0 is not object type">; def err_objc_subscript_object_type : Error< "cannot assign to this %select{dictionary|array}1 because assigning method's " "2nd parameter of type %0 is not an Objective-C pointer type">; def err_objc_subscript_base_type : Error< "%select{dictionary|array}1 subscript base type %0 is not an Objective-C object">; def err_objc_multiple_subscript_type_conversion : Error< "indexing expression is invalid because subscript type %0 has " "multiple type conversion functions">; def err_objc_subscript_type_conversion : Error< "indexing expression is invalid because subscript type %0 is not an integral" " or Objective-C pointer type">; def err_objc_subscript_pointer : Error< "indexing expression is invalid because subscript type %0 is not an" " Objective-C pointer">; def err_objc_indexing_method_result_type : Error< "method for accessing %select{dictionary|array}1 element must have Objective-C" " object return type instead of %0">; def err_objc_index_incomplete_class_type : Error< "Objective-C index expression has incomplete class type %0">; def err_illegal_container_subscripting_op : Error< "illegal operation on Objective-C container subscripting">; def err_property_not_found_forward_class : Error< "property %0 cannot be found in forward class object %1">; def err_property_not_as_forward_class : Error< "property %0 refers to an incomplete Objective-C class %1 " "(with no @interface available)">; def note_forward_class : Note< "forward declaration of class here">; def err_duplicate_property : Error< "property has a previous declaration">; def ext_gnu_void_ptr : Extension< "arithmetic on%select{ a|}0 pointer%select{|s}0 to void is a GNU extension">, InGroup; def ext_gnu_ptr_func_arith : Extension< "arithmetic on%select{ a|}0 pointer%select{|s}0 to%select{ the|}2 function " "type%select{|s}2 %1%select{| and %3}2 is a GNU extension">, InGroup; def err_readonly_message_assignment : Error< "assigning to 'readonly' return result of an Objective-C message not allowed">; def ext_integer_increment_complex : Extension< "ISO C does not support '++'/'--' on complex integer type %0">; def ext_integer_complement_complex : Extension< "ISO C does not support '~' for complex conjugation of %0">; def err_nosetter_property_assignment : Error< "%select{assignment to readonly property|" "no setter method %1 for assignment to property}0">; def err_nosetter_property_incdec : Error< "%select{%select{increment|decrement}1 of readonly property|" "no setter method %2 for %select{increment|decrement}1 of property}0">; def err_nogetter_property_compound_assignment : Error< "a getter method is needed to perform a compound assignment on a property">; def err_nogetter_property_incdec : Error< "no getter method %1 for %select{increment|decrement}0 of property">; def err_no_subobject_property_setting : Error< "expression is not assignable">; def err_qualified_objc_access : Error< "%select{property|instance variable}0 access cannot be qualified with '%1'">; def ext_freestanding_complex : Extension< "complex numbers are an extension in a freestanding C99 implementation">; // FIXME: Remove when we support imaginary. def err_imaginary_not_supported : Error<"imaginary types are not supported">; // Obj-c expressions def warn_root_inst_method_not_found : Warning< "instance method %0 is being used on 'Class' which is not in the root class">, InGroup; def warn_class_method_not_found : Warning< "class method %objcclass0 not found (return type defaults to 'id')">, InGroup; def warn_instance_method_on_class_found : Warning< "instance method %0 found instead of class method %1">, InGroup; def warn_inst_method_not_found : Warning< "instance method %objcinstance0 not found (return type defaults to 'id')">, InGroup; def warn_instance_method_not_found_with_typo : Warning< "instance method %objcinstance0 not found (return type defaults to 'id')" "; did you mean %objcinstance2?">, InGroup; def warn_class_method_not_found_with_typo : Warning< "class method %objcclass0 not found (return type defaults to 'id')" "; did you mean %objcclass2?">, InGroup; def err_method_not_found_with_typo : Error< "%select{instance|class}1 method %0 not found " "; did you mean %2?">; def err_no_super_class_message : Error< "no @interface declaration found in class messaging of %0">; def err_root_class_cannot_use_super : Error< "%0 cannot use 'super' because it is a root class">; def err_invalid_receiver_to_message_super : Error< "'super' is only valid in a method body">; def err_invalid_receiver_class_message : Error< "receiver type %0 is not an Objective-C class">; def err_missing_open_square_message_send : Error< "missing '[' at start of message send expression">; def warn_bad_receiver_type : Warning< "receiver type %0 is not 'id' or interface pointer, consider " "casting it to 'id'">,InGroup; def err_bad_receiver_type : Error<"bad receiver type %0">; def err_incomplete_receiver_type : Error<"incomplete receiver type %0">; def err_unknown_receiver_suggest : Error< "unknown receiver %0; did you mean %1?">; def err_objc_throw_expects_object : Error< "@throw requires an Objective-C object type (%0 invalid)">; def err_objc_synchronized_expects_object : Error< "@synchronized requires an Objective-C object type (%0 invalid)">; def err_rethrow_used_outside_catch : Error< "@throw (rethrow) used outside of a @catch block">; def err_attribute_multiple_objc_gc : Error< "multiple garbage collection attributes specified for type">; def err_catch_param_not_objc_type : Error< "@catch parameter is not a pointer to an interface type">; def err_illegal_qualifiers_on_catch_parm : Error< "illegal qualifiers on @catch parameter">; def err_storage_spec_on_catch_parm : Error< "@catch parameter cannot have storage specifier '%0'">; def warn_register_objc_catch_parm : Warning< "'register' storage specifier on @catch parameter will be ignored">; def err_qualified_objc_catch_parm : Error< "@catch parameter declarator cannot be qualified">; def warn_objc_pointer_cxx_catch_fragile : Warning< "cannot catch an exception thrown with @throw in C++ in the non-unified " "exception model">, InGroup; def err_objc_object_catch : Error< "cannot catch an Objective-C object by value">; def err_incomplete_type_objc_at_encode : Error< "'@encode' of incomplete type %0">; def warn_objc_circular_container : Warning< "adding %0 to %1 might cause circular dependency in container">, InGroup>; def note_objc_circular_container_declared_here : Note<"%0 declared here">; def warn_objc_unsafe_perform_selector : Warning< "%0 is incompatible with selectors that return a " "%select{struct|union|vector}1 type">, InGroup>; def note_objc_unsafe_perform_selector_method_declared_here : Note< "method %0 that returns %1 declared here">; def warn_setter_getter_impl_required : Warning< "property %0 requires method %1 to be defined - " "use @synthesize, @dynamic or provide a method implementation " "in this class implementation">, InGroup; def warn_setter_getter_impl_required_in_category : Warning< "property %0 requires method %1 to be defined - " "use @dynamic or provide a method implementation in this category">, InGroup; def note_parameter_named_here : Note< "passing argument to parameter %0 here">; def note_parameter_here : Note< "passing argument to parameter here">; def note_method_return_type_change : Note< "compiler has implicitly changed method %0 return type">; def warn_impl_required_for_class_property : Warning< "class property %0 requires method %1 to be defined - " "use @dynamic or provide a method implementation " "in this class implementation">, InGroup; def warn_impl_required_in_category_for_class_property : Warning< "class property %0 requires method %1 to be defined - " "use @dynamic or provide a method implementation in this category">, InGroup; // C++ casts // These messages adhere to the TryCast pattern: %0 is an int specifying the // cast type, %1 is the source type, %2 is the destination type. def err_bad_reinterpret_cast_overload : Error< "reinterpret_cast cannot resolve overloaded function %0 to type %1">; def warn_reinterpret_different_from_static : Warning< "'reinterpret_cast' %select{from|to}3 class %0 %select{to|from}3 its " "%select{virtual base|base at non-zero offset}2 %1 behaves differently from " "'static_cast'">, InGroup; def note_reinterpret_updowncast_use_static: Note< "use 'static_cast' to adjust the pointer correctly while " "%select{upcasting|downcasting}0">; def err_bad_static_cast_overload : Error< "address of overloaded function %0 cannot be static_cast to type %1">; def err_bad_cstyle_cast_overload : Error< "address of overloaded function %0 cannot be cast to type %1">; def err_bad_cxx_cast_generic : Error< "%select{const_cast|static_cast|reinterpret_cast|dynamic_cast|C-style cast|" "functional-style cast}0 from %1 to %2 is not allowed">; def err_bad_cxx_cast_unrelated_class : Error< "%select{const_cast|static_cast|reinterpret_cast|dynamic_cast|C-style cast|" "functional-style cast}0 from %1 to %2, which are not related by " "inheritance, is not allowed">; def note_type_incomplete : Note<"%0 is incomplete">; def err_bad_cxx_cast_rvalue : Error< "%select{const_cast|static_cast|reinterpret_cast|dynamic_cast|C-style cast|" "functional-style cast}0 from rvalue to reference type %2">; def err_bad_cxx_cast_bitfield : Error< "%select{const_cast|static_cast|reinterpret_cast|dynamic_cast|C-style cast|" "functional-style cast}0 from bit-field lvalue to reference type %2">; def err_bad_cxx_cast_qualifiers_away : Error< "%select{const_cast|static_cast|reinterpret_cast|dynamic_cast|C-style cast|" "functional-style cast}0 from %1 to %2 casts away qualifiers">; def err_bad_cxx_cast_addr_space_mismatch : Error< "%select{const_cast|static_cast|reinterpret_cast|dynamic_cast|C-style cast|" "functional-style cast}0 from %1 to %2 converts between mismatching address" " spaces">; def ext_bad_cxx_cast_qualifiers_away_incoherent : ExtWarn< "ISO C++ does not allow " "%select{const_cast|static_cast|reinterpret_cast|dynamic_cast|C-style cast|" "functional-style cast}0 from %1 to %2 because it casts away qualifiers, " "even though the source and destination types are unrelated">, SFINAEFailure, InGroup>; def err_bad_const_cast_dest : Error< "%select{const_cast||||C-style cast|functional-style cast}0 to %2, " "which is not a reference, pointer-to-object, or pointer-to-data-member">; def ext_cast_fn_obj : Extension< "cast between pointer-to-function and pointer-to-object is an extension">; def ext_ms_cast_fn_obj : ExtWarn< "static_cast between pointer-to-function and pointer-to-object is a " "Microsoft extension">, InGroup; def warn_cxx98_compat_cast_fn_obj : Warning< "cast between pointer-to-function and pointer-to-object is incompatible with C++98">, InGroup, DefaultIgnore; def err_bad_reinterpret_cast_small_int : Error< "cast from pointer to smaller type %2 loses information">; def err_bad_cxx_cast_vector_to_scalar_different_size : Error< "%select{||reinterpret_cast||C-style cast|}0 from vector %1 " "to scalar %2 of different size">; def err_bad_cxx_cast_scalar_to_vector_different_size : Error< "%select{||reinterpret_cast||C-style cast|}0 from scalar %1 " "to vector %2 of different size">; def err_bad_cxx_cast_vector_to_vector_different_size : Error< "%select{||reinterpret_cast||C-style cast|}0 from vector %1 " "to vector %2 of different size">; def err_bad_lvalue_to_rvalue_cast : Error< "cannot cast from lvalue of type %1 to rvalue reference type %2; types are " "not compatible">; def err_bad_rvalue_to_rvalue_cast : Error< "cannot cast from rvalue of type %1 to rvalue reference type %2; types are " "not compatible">; def err_bad_static_cast_pointer_nonpointer : Error< "cannot cast from type %1 to pointer type %2">; def err_bad_static_cast_member_pointer_nonmp : Error< "cannot cast from type %1 to member pointer type %2">; def err_bad_cxx_cast_member_pointer_size : Error< "cannot %select{||reinterpret_cast||C-style cast|}0 from member pointer " "type %1 to member pointer type %2 of different size">; def err_bad_reinterpret_cast_reference : Error< "reinterpret_cast of a %0 to %1 needs its address, which is not allowed">; def warn_undefined_reinterpret_cast : Warning< "reinterpret_cast from %0 to %1 has undefined behavior">, InGroup, DefaultIgnore; // These messages don't adhere to the pattern. // FIXME: Display the path somehow better. def err_ambiguous_base_to_derived_cast : Error< "ambiguous cast from base %0 to derived %1:%2">; def err_static_downcast_via_virtual : Error< "cannot cast %0 to %1 via virtual base %2">; def err_downcast_from_inaccessible_base : Error< "cannot cast %select{private|protected}2 base class %1 to %0">; def err_upcast_to_inaccessible_base : Error< "cannot cast %0 to its %select{private|protected}2 base class %1">; def err_bad_dynamic_cast_not_ref_or_ptr : Error< "%0 is not a reference or pointer">; def err_bad_dynamic_cast_not_class : Error<"%0 is not a class">; def err_bad_dynamic_cast_incomplete : Error<"%0 is an incomplete type">; def err_bad_dynamic_cast_not_ptr : Error<"%0 is not a pointer">; def err_bad_dynamic_cast_not_polymorphic : Error<"%0 is not polymorphic">; // Other C++ expressions def err_need_header_before_typeid : Error< "you need to include before using the 'typeid' operator">; def err_need_header_before_ms_uuidof : Error< "you need to include before using the '__uuidof' operator">; def err_ms___leave_not_in___try : Error< "'__leave' statement not in __try block">; def err_uuidof_without_guid : Error< "cannot call operator __uuidof on a type with no GUID">; def err_uuidof_with_multiple_guids : Error< "cannot call operator __uuidof on a type with multiple GUIDs">; def err_incomplete_typeid : Error<"'typeid' of incomplete type %0">; def err_variably_modified_typeid : Error<"'typeid' of variably modified type %0">; def err_static_illegal_in_new : Error< "the 'static' modifier for the array size is not legal in new expressions">; def err_array_new_needs_size : Error< "array size must be specified in new expression with no initializer">; def err_bad_new_type : Error< "cannot allocate %select{function|reference}1 type %0 with new">; def err_new_incomplete_type : Error< "allocation of incomplete type %0">; def err_new_array_nonconst : Error< "only the first dimension of an allocated array may have dynamic size">; def err_new_array_size_unknown_from_init : Error< "cannot determine allocated array size from initializer">; def err_new_array_init_args : Error< "array 'new' cannot have initialization arguments">; def ext_new_paren_array_nonconst : ExtWarn< "when type is in parentheses, array cannot have dynamic size">; def err_placement_new_non_placement_delete : Error< "'new' expression with placement arguments refers to non-placement " "'operator delete'">; def err_array_size_not_integral : Error< "array size expression must have integral or %select{|unscoped }0" "enumeration type, not %1">; def err_array_size_incomplete_type : Error< "array size expression has incomplete class type %0">; def err_array_size_explicit_conversion : Error< "array size expression of type %0 requires explicit conversion to type %1">; def note_array_size_conversion : Note< "conversion to %select{integral|enumeration}0 type %1 declared here">; def err_array_size_ambiguous_conversion : Error< "ambiguous conversion of array size expression of type %0 to an integral or " "enumeration type">; def ext_array_size_conversion : Extension< "implicit conversion from array size expression of type %0 to " "%select{integral|enumeration}1 type %2 is a C++11 extension">, InGroup; def warn_cxx98_compat_array_size_conversion : Warning< "implicit conversion from array size expression of type %0 to " "%select{integral|enumeration}1 type %2 is incompatible with C++98">, InGroup, DefaultIgnore; def err_address_space_qualified_new : Error< "'new' cannot allocate objects of type %0 in address space '%1'">; def err_address_space_qualified_delete : Error< "'delete' cannot delete objects of type %0 in address space '%1'">; def err_default_init_const : Error< "default initialization of an object of const type %0" "%select{| without a user-provided default constructor}1">; def ext_default_init_const : ExtWarn< "default initialization of an object of const type %0" "%select{| without a user-provided default constructor}1 " "is a Microsoft extension">, InGroup; def err_delete_operand : Error<"cannot delete expression of type %0">; def ext_delete_void_ptr_operand : ExtWarn< "cannot delete expression with pointer-to-'void' type %0">, InGroup; def err_ambiguous_delete_operand : Error< "ambiguous conversion of delete expression of type %0 to a pointer">; def warn_delete_incomplete : Warning< "deleting pointer to incomplete type %0 may cause undefined behavior">, InGroup; def err_delete_incomplete_class_type : Error< "deleting incomplete class type %0; no conversions to pointer type">; def err_delete_explicit_conversion : Error< "converting delete expression from type %0 to type %1 invokes an explicit " "conversion function">; def note_delete_conversion : Note<"conversion to pointer type %0">; def warn_delete_array_type : Warning< "'delete' applied to a pointer-to-array type %0 treated as 'delete[]'">; def warn_mismatched_delete_new : Warning< "'delete%select{|[]}0' applied to a pointer that was allocated with " "'new%select{[]|}0'; did you mean 'delete%select{[]|}0'?">, InGroup>; def note_allocated_here : Note<"allocated with 'new%select{[]|}0' here">; def err_no_suitable_delete_member_function_found : Error< "no suitable member %0 in %1">; def err_ambiguous_suitable_delete_member_function_found : Error< "multiple suitable %0 functions in %1">; def warn_ambiguous_suitable_delete_function_found : Warning< "multiple suitable %0 functions for %1; no 'operator delete' function " "will be invoked if initialization throws an exception">, InGroup>; def note_member_declared_here : Note< "member %0 declared here">; def note_member_first_declared_here : Note< "member %0 first declared here">; def err_decrement_bool : Error<"cannot decrement expression of type bool">; def warn_increment_bool : Warning< "incrementing expression of type bool is deprecated and " "incompatible with C++17">, InGroup; def ext_increment_bool : ExtWarn< "ISO C++17 does not allow incrementing expression of type bool">, DefaultError, InGroup; def err_increment_decrement_enum : Error< "cannot %select{decrement|increment}0 expression of enum type %1">; def err_catch_incomplete_ptr : Error< "cannot catch pointer to incomplete type %0">; def err_catch_incomplete_ref : Error< "cannot catch reference to incomplete type %0">; def err_catch_incomplete : Error<"cannot catch incomplete type %0">; def err_catch_rvalue_ref : Error<"cannot catch exceptions by rvalue reference">; def err_catch_variably_modified : Error< "cannot catch variably modified type %0">; def err_qualified_catch_declarator : Error< "exception declarator cannot be qualified">; def err_early_catch_all : Error<"catch-all handler must come last">; def err_bad_memptr_rhs : Error< "right hand operand to %0 has non-pointer-to-member type %1">; def err_bad_memptr_lhs : Error< "left hand operand to %0 must be a %select{|pointer to }1class " "compatible with the right hand operand, but is %2">; def err_memptr_incomplete : Error< "member pointer has incomplete base type %0">; def warn_exception_caught_by_earlier_handler : Warning< "exception of type %0 will be caught by earlier handler">, InGroup; def note_previous_exception_handler : Note<"for type %0">; def err_exceptions_disabled : Error< "cannot use '%0' with exceptions disabled">; def err_objc_exceptions_disabled : Error< "cannot use '%0' with Objective-C exceptions disabled">; def warn_throw_in_noexcept_func : Warning< "%0 has a non-throwing exception specification but can still throw">, InGroup; def note_throw_in_dtor : Note< "%select{destructor|deallocator}0 has a %select{non-throwing|implicit " "non-throwing}1 exception specification">; def note_throw_in_function : Note<"function declared non-throwing here">; def err_seh_try_outside_functions : Error< "cannot use SEH '__try' in blocks, captured regions, or Obj-C method decls">; def err_mixing_cxx_try_seh_try : Error< "cannot use C++ 'try' in the same function as SEH '__try'">; def err_seh_try_unsupported : Error< "SEH '__try' is not supported on this target">; def note_conflicting_try_here : Note< "conflicting %0 here">; def warn_jump_out_of_seh_finally : Warning< "jump out of __finally block has undefined behavior">, InGroup>; def warn_non_virtual_dtor : Warning< "%0 has virtual functions but non-virtual destructor">, InGroup, DefaultIgnore; def warn_delete_non_virtual_dtor : Warning< "%select{delete|destructor}0 called on non-final %1 that has " "virtual functions but non-virtual destructor">, InGroup, DefaultIgnore, ShowInSystemHeader; def note_delete_non_virtual : Note< "qualify call to silence this warning">; def warn_delete_abstract_non_virtual_dtor : Warning< "%select{delete|destructor}0 called on %1 that is abstract but has " "non-virtual destructor">, InGroup, ShowInSystemHeader; def warn_overloaded_virtual : Warning< "%q0 hides overloaded virtual %select{function|functions}1">, InGroup, DefaultIgnore; def note_hidden_overloaded_virtual_declared_here : Note< "hidden overloaded virtual function %q0 declared here" "%select{|: different classes%diff{ ($ vs $)|}2,3" "|: different number of parameters (%2 vs %3)" "|: type mismatch at %ordinal2 parameter%diff{ ($ vs $)|}3,4" "|: different return type%diff{ ($ vs $)|}2,3" "|: different qualifiers (%2 vs %3)" "|: different exception specifications}1">; def warn_using_directive_in_header : Warning< "using namespace directive in global context in header">, InGroup, DefaultIgnore; def warn_overaligned_type : Warning< "type %0 requires %1 bytes of alignment and the default allocator only " "guarantees %2 bytes">, InGroup, DefaultIgnore; def err_aligned_allocation_unavailable : Error< "aligned %select{allocation|deallocation}0 function of type '%1' is only " "available on %2 %3 or newer">; def note_silence_aligned_allocation_unavailable : Note< "if you supply your own aligned allocation functions, use " "-faligned-allocation to silence this diagnostic">; def err_conditional_void_nonvoid : Error< "%select{left|right}1 operand to ? is void, but %select{right|left}1 operand " "is of type %0">; def err_conditional_ambiguous : Error< "conditional expression is ambiguous; " "%diff{$ can be converted to $ and vice versa|" "types can be convert to each other}0,1">; def err_conditional_ambiguous_ovl : Error< "conditional expression is ambiguous; %diff{$ and $|types}0,1 " "can be converted to several common types">; def err_conditional_vector_size : Error< "vector condition type %0 and result type %1 do not have the same number " "of elements">; def err_conditional_vector_element_size : Error< "vector condition type %0 and result type %1 do not have elements of the " "same size">; def err_throw_incomplete : Error< "cannot throw object of incomplete type %0">; def err_throw_incomplete_ptr : Error< "cannot throw pointer to object of incomplete type %0">; def warn_throw_underaligned_obj : Warning< "underaligned exception object thrown">, InGroup; def note_throw_underaligned_obj : Note< "required alignment of type %0 (%1 bytes) is larger than the supported " "alignment of C++ exception objects on this target (%2 bytes)">; def err_return_in_constructor_handler : Error< "return in the catch of a function try block of a constructor is illegal">; def warn_cdtor_function_try_handler_mem_expr : Warning< "cannot refer to a non-static member from the handler of a " "%select{constructor|destructor}0 function try block">, InGroup; let CategoryName = "Lambda Issue" in { def err_capture_more_than_once : Error< "%0 can appear only once in a capture list">; def err_reference_capture_with_reference_default : Error< "'&' cannot precede a capture when the capture default is '&'">; def err_copy_capture_with_copy_default : Error< "'&' must precede a capture when the capture default is '='">; def err_capture_does_not_name_variable : Error< "%0 in capture list does not name a variable">; def err_capture_non_automatic_variable : Error< "%0 cannot be captured because it does not have automatic storage " "duration">; def err_this_capture : Error< "'this' cannot be %select{implicitly |}0captured in this context">; def err_lambda_capture_anonymous_var : Error< "unnamed variable cannot be implicitly captured in a lambda expression">; def err_lambda_capture_flexarray_type : Error< "variable %0 with flexible array member cannot be captured in " "a lambda expression">; def err_lambda_impcap : Error< "variable %0 cannot be implicitly captured in a lambda with no " "capture-default specified">; def note_lambda_decl : Note<"lambda expression begins here">; def err_lambda_unevaluated_operand : Error< "lambda expression in an unevaluated operand">; def err_lambda_in_constant_expression : Error< "a lambda expression may not appear inside of a constant expression">; def err_lambda_in_invalid_context : Error< "a lambda expression cannot appear in this context">; def err_lambda_return_init_list : Error< "cannot deduce lambda return type from initializer list">; def err_lambda_capture_default_arg : Error< "lambda expression in default argument cannot capture any entity">; def err_lambda_incomplete_result : Error< "incomplete result type %0 in lambda expression">; def err_noreturn_lambda_has_return_expr : Error< "lambda declared 'noreturn' should not return">; def warn_maybe_falloff_nonvoid_lambda : Warning< "control may reach end of non-void lambda">, InGroup; def warn_falloff_nonvoid_lambda : Warning< "control reaches end of non-void lambda">, InGroup; def err_access_lambda_capture : Error< // The ERRORs represent other special members that aren't constructors, in // hopes that someone will bother noticing and reporting if they appear "capture of variable '%0' as type %1 calls %select{private|protected}3 " "%select{default |copy |move |*ERROR* |*ERROR* |*ERROR* |}2constructor">, AccessControl; def note_lambda_to_block_conv : Note< "implicit capture of lambda object due to conversion to block pointer " "here">; def note_var_explicitly_captured_here : Note<"variable %0 is" "%select{| explicitly}1 captured here">; // C++14 lambda init-captures. def warn_cxx11_compat_init_capture : Warning< "initialized lambda captures are incompatible with C++ standards " "before C++14">, InGroup, DefaultIgnore; def ext_init_capture : ExtWarn< "initialized lambda captures are a C++14 extension">, InGroup; def err_init_capture_no_expression : Error< "initializer missing for lambda capture %0">; def err_init_capture_multiple_expressions : Error< "initializer for lambda capture %0 contains multiple expressions">; def err_init_capture_paren_braces : Error< "cannot deduce type for lambda capture %1 from " "%select{parenthesized|nested}0 initializer list">; def err_init_capture_deduction_failure : Error< "cannot deduce type for lambda capture %0 from initializer of type %2">; def err_init_capture_deduction_failure_from_init_list : Error< "cannot deduce type for lambda capture %0 from initializer list">; def warn_cxx17_compat_init_capture_pack : Warning< "initialized lambda capture packs are incompatible with C++ standards " "before C++2a">, InGroup, DefaultIgnore; def ext_init_capture_pack : ExtWarn< "initialized lambda pack captures are a C++2a extension">, InGroup; // C++14 generic lambdas. def warn_cxx11_compat_generic_lambda : Warning< "generic lambdas are incompatible with C++11">, InGroup, DefaultIgnore; // C++17 '*this' captures. def warn_cxx14_compat_star_this_lambda_capture : Warning< "by value capture of '*this' is incompatible with C++ standards before C++17">, InGroup, DefaultIgnore; def ext_star_this_lambda_capture_cxx17 : ExtWarn< "capture of '*this' by copy is a C++17 extension">, InGroup; // C++17 parameter shadows capture def err_parameter_shadow_capture : Error< "a lambda parameter cannot shadow an explicitly captured entity">; // C++2a [=, this] captures. def warn_cxx17_compat_equals_this_lambda_capture : Warning< "explicit capture of 'this' with a capture default of '=' is incompatible " "with C++ standards before C++2a">, InGroup, DefaultIgnore; def ext_equals_this_lambda_capture_cxx2a : ExtWarn< "explicit capture of 'this' with a capture default of '=' " "is a C++2a extension">, InGroup; def warn_deprecated_this_capture : Warning< "implicit capture of 'this' with a capture default of '=' is deprecated">, InGroup, DefaultIgnore; def note_deprecated_this_capture : Note< "add an explicit capture of 'this' to capture '*this' by reference">; // C++2a default constructible / assignable lambdas. def warn_cxx17_compat_lambda_def_ctor_assign : Warning< "%select{default construction|assignment}0 of lambda is incompatible with " "C++ standards before C++2a">, InGroup, DefaultIgnore; } def err_return_in_captured_stmt : Error< "cannot return from %0">; def err_capture_block_variable : Error< "__block variable %0 cannot be captured in a " "%select{lambda expression|captured statement}1">; def err_operator_arrow_circular : Error< "circular pointer delegation detected">; def err_operator_arrow_depth_exceeded : Error< "use of 'operator->' on type %0 would invoke a sequence of more than %1 " "'operator->' calls">; def note_operator_arrow_here : Note< "'operator->' declared here produces an object of type %0">; def note_operator_arrows_suppressed : Note< "(skipping %0 'operator->'%s0 in backtrace)">; def note_operator_arrow_depth : Note< "use -foperator-arrow-depth=N to increase 'operator->' limit">; def err_pseudo_dtor_base_not_scalar : Error< "object expression of non-scalar type %0 cannot be used in a " "pseudo-destructor expression">; def ext_pseudo_dtor_on_void : ExtWarn< "pseudo-destructors on type void are a Microsoft extension">, InGroup; def err_pseudo_dtor_type_mismatch : Error< "the type of object expression " "%diff{($) does not match the type being destroyed ($)|" "does not match the type being destroyed}0,1 " "in pseudo-destructor expression">; def err_pseudo_dtor_call_with_args : Error< "call to pseudo-destructor cannot have any arguments">; def err_dtor_expr_without_call : Error< "reference to %select{destructor|pseudo-destructor}0 must be called" "%select{|; did you mean to call it with no arguments?}1">; def err_pseudo_dtor_destructor_non_type : Error< "%0 does not refer to a type name in pseudo-destructor expression; expected " "the name of type %1">; def err_invalid_use_of_function_type : Error< "a function type is not allowed here">; def err_invalid_use_of_array_type : Error<"an array type is not allowed here">; def err_typecheck_bool_condition : Error< "value of type %0 is not contextually convertible to 'bool'">; def err_typecheck_ambiguous_condition : Error< "conversion %diff{from $ to $|between types}0,1 is ambiguous">; def err_typecheck_nonviable_condition : Error< "no viable conversion%select{%diff{ from $ to $|}1,2|" "%diff{ from returned value of type $ to function return type $|}1,2}0">; def err_typecheck_nonviable_condition_incomplete : Error< "no viable conversion%diff{ from $ to incomplete type $|}0,1">; def err_typecheck_deleted_function : Error< "conversion function %diff{from $ to $|between types}0,1 " "invokes a deleted function">; def err_expected_class_or_namespace : Error<"%0 is not a class" "%select{ or namespace|, namespace, or enumeration}1">; def err_invalid_declarator_scope : Error<"cannot define or redeclare %0 here " "because namespace %1 does not enclose namespace %2">; def err_invalid_declarator_global_scope : Error< "definition or redeclaration of %0 cannot name the global scope">; def err_invalid_declarator_in_function : Error< "definition or redeclaration of %0 not allowed inside a function">; def err_invalid_declarator_in_block : Error< "definition or redeclaration of %0 not allowed inside a block">; def err_not_tag_in_scope : Error< "no %select{struct|interface|union|class|enum}0 named %1 in %2">; def err_no_typeid_with_fno_rtti : Error< "use of typeid requires -frtti">; def err_no_dynamic_cast_with_fno_rtti : Error< "use of dynamic_cast requires -frtti">; def err_cannot_form_pointer_to_member_of_reference_type : Error< "cannot form a pointer-to-member to member %0 of reference type %1">; def err_incomplete_object_call : Error< "incomplete type in call to object of type %0">; def warn_condition_is_assignment : Warning<"using the result of an " "assignment as a condition without parentheses">, InGroup; // Completely identical except off by default. def warn_condition_is_idiomatic_assignment : Warning<"using the result " "of an assignment as a condition without parentheses">, InGroup>, DefaultIgnore; def note_condition_assign_to_comparison : Note< "use '==' to turn this assignment into an equality comparison">; def note_condition_or_assign_to_comparison : Note< "use '!=' to turn this compound assignment into an inequality comparison">; def note_condition_assign_silence : Note< "place parentheses around the assignment to silence this warning">; def warn_equality_with_extra_parens : Warning<"equality comparison with " "extraneous parentheses">, InGroup; def note_equality_comparison_to_assign : Note< "use '=' to turn this equality comparison into an assignment">; def note_equality_comparison_silence : Note< "remove extraneous parentheses around the comparison to silence this warning">; // assignment related diagnostics (also for argument passing, returning, etc). // In most of these diagnostics the %2 is a value from the // Sema::AssignmentAction enumeration def err_typecheck_convert_incompatible : Error< "%select{%diff{assigning to $ from incompatible type $|" "assigning to type from incompatible type}0,1" "|%diff{passing $ to parameter of incompatible type $|" "passing type to parameter of incompatible type}0,1" "|%diff{returning $ from a function with incompatible result type $|" "returning type from a function with incompatible result type}0,1" "|%diff{converting $ to incompatible type $|" "converting type to incompatible type}0,1" "|%diff{initializing $ with an expression of incompatible type $|" "initializing type with an expression of incompatible type}0,1" "|%diff{sending $ to parameter of incompatible type $|" "sending type to parameter of incompatible type}0,1" "|%diff{casting $ to incompatible type $|" "casting type to incompatible type}0,1}2" "%select{|; dereference with *|" "; take the address with &|" "; remove *|" "; remove &}3" "%select{|: different classes%diff{ ($ vs $)|}5,6" "|: different number of parameters (%5 vs %6)" "|: type mismatch at %ordinal5 parameter%diff{ ($ vs $)|}6,7" "|: different return type%diff{ ($ vs $)|}5,6" "|: different qualifiers (%5 vs %6)" "|: different exception specifications}4">; def err_typecheck_missing_return_type_incompatible : Error< "%diff{return type $ must match previous return type $|" "return type must match previous return type}0,1 when %select{block " "literal|lambda expression}2 has unspecified explicit return type">; def note_incomplete_class_and_qualified_id : Note< "conformance of forward class %0 to protocol %1 can not be confirmed">; def warn_incompatible_qualified_id : Warning< "%select{%diff{assigning to $ from incompatible type $|" "assigning to type from incompatible type}0,1" "|%diff{passing $ to parameter of incompatible type $|" "passing type to parameter of incompatible type}0,1" "|%diff{returning $ from a function with incompatible result type $|" "returning type from a function with incompatible result type}0,1" "|%diff{converting $ to incompatible type $|" "converting type to incompatible type}0,1" "|%diff{initializing $ with an expression of incompatible type $|" "initializing type with an expression of incompatible type}0,1" "|%diff{sending $ to parameter of incompatible type $|" "sending type to parameter of incompatible type}0,1" "|%diff{casting $ to incompatible type $|" "casting type to incompatible type}0,1}2">; def ext_typecheck_convert_pointer_int : ExtWarn< "incompatible pointer to integer conversion " "%select{%diff{assigning to $ from $|assigning to different types}0,1" "|%diff{passing $ to parameter of type $|" "passing to parameter of different type}0,1" "|%diff{returning $ from a function with result type $|" "returning from function with different return type}0,1" "|%diff{converting $ to type $|converting between types}0,1" "|%diff{initializing $ with an expression of type $|" "initializing with expression of different type}0,1" "|%diff{sending $ to parameter of type $|" "sending to parameter of different type}0,1" "|%diff{casting $ to type $|casting between types}0,1}2" "%select{|; dereference with *|" "; take the address with &|" "; remove *|" "; remove &}3">, InGroup; def ext_typecheck_convert_int_pointer : ExtWarn< "incompatible integer to pointer conversion " "%select{%diff{assigning to $ from $|assigning to different types}0,1" "|%diff{passing $ to parameter of type $|" "passing to parameter of different type}0,1" "|%diff{returning $ from a function with result type $|" "returning from function with different return type}0,1" "|%diff{converting $ to type $|converting between types}0,1" "|%diff{initializing $ with an expression of type $|" "initializing with expression of different type}0,1" "|%diff{sending $ to parameter of type $|" "sending to parameter of different type}0,1" "|%diff{casting $ to type $|casting between types}0,1}2" "%select{|; dereference with *|" "; take the address with &|" "; remove *|" "; remove &}3">, InGroup, SFINAEFailure; def ext_typecheck_convert_pointer_void_func : Extension< "%select{%diff{assigning to $ from $|assigning to different types}0,1" "|%diff{passing $ to parameter of type $|" "passing to parameter of different type}0,1" "|%diff{returning $ from a function with result type $|" "returning from function with different return type}0,1" "|%diff{converting $ to type $|converting between types}0,1" "|%diff{initializing $ with an expression of type $|" "initializing with expression of different type}0,1" "|%diff{sending $ to parameter of type $|" "sending to parameter of different type}0,1" "|%diff{casting $ to type $|casting between types}0,1}2" " converts between void pointer and function pointer">; def ext_typecheck_convert_incompatible_pointer_sign : ExtWarn< "%select{%diff{assigning to $ from $|assigning to different types}0,1" "|%diff{passing $ to parameter of type $|" "passing to parameter of different type}0,1" "|%diff{returning $ from a function with result type $|" "returning from function with different return type}0,1" "|%diff{converting $ to type $|converting between types}0,1" "|%diff{initializing $ with an expression of type $|" "initializing with expression of different type}0,1" "|%diff{sending $ to parameter of type $|" "sending to parameter of different type}0,1" "|%diff{casting $ to type $|casting between types}0,1}2" " converts between pointers to integer types with different sign">, InGroup>; def ext_typecheck_convert_incompatible_pointer : ExtWarn< "incompatible pointer types " "%select{%diff{assigning to $ from $|assigning to different types}0,1" "|%diff{passing $ to parameter of type $|" "passing to parameter of different type}0,1" "|%diff{returning $ from a function with result type $|" "returning from function with different return type}0,1" "|%diff{converting $ to type $|converting between types}0,1" "|%diff{initializing $ with an expression of type $|" "initializing with expression of different type}0,1" "|%diff{sending $ to parameter of type $|" "sending to parameter of different type}0,1" "|%diff{casting $ to type $|casting between types}0,1}2" "%select{|; dereference with *|" "; take the address with &|" "; remove *|" "; remove &}3">, InGroup; def ext_typecheck_convert_incompatible_function_pointer : ExtWarn< "incompatible function pointer types " "%select{%diff{assigning to $ from $|assigning to different types}0,1" "|%diff{passing $ to parameter of type $|" "passing to parameter of different type}0,1" "|%diff{returning $ from a function with result type $|" "returning from function with different return type}0,1" "|%diff{converting $ to type $|converting between types}0,1" "|%diff{initializing $ with an expression of type $|" "initializing with expression of different type}0,1" "|%diff{sending $ to parameter of type $|" "sending to parameter of different type}0,1" "|%diff{casting $ to type $|casting between types}0,1}2" "%select{|; dereference with *|" "; take the address with &|" "; remove *|" "; remove &}3">, InGroup; def ext_typecheck_convert_discards_qualifiers : ExtWarn< "%select{%diff{assigning to $ from $|assigning to different types}0,1" "|%diff{passing $ to parameter of type $|" "passing to parameter of different type}0,1" "|%diff{returning $ from a function with result type $|" "returning from function with different return type}0,1" "|%diff{converting $ to type $|converting between types}0,1" "|%diff{initializing $ with an expression of type $|" "initializing with expression of different type}0,1" "|%diff{sending $ to parameter of type $|" "sending to parameter of different type}0,1" "|%diff{casting $ to type $|casting between types}0,1}2" " discards qualifiers">, InGroup; def ext_nested_pointer_qualifier_mismatch : ExtWarn< "%select{%diff{assigning to $ from $|assigning to different types}0,1" "|%diff{passing $ to parameter of type $|" "passing to parameter of different type}0,1" "|%diff{returning $ from a function with result type $|" "returning from function with different return type}0,1" "|%diff{converting $ to type $|converting between types}0,1" "|%diff{initializing $ with an expression of type $|" "initializing with expression of different type}0,1" "|%diff{sending $ to parameter of type $|" "sending to parameter of different type}0,1" "|%diff{casting $ to type $|casting between types}0,1}2" " discards qualifiers in nested pointer types">, InGroup; def warn_incompatible_vectors : Warning< "incompatible vector types " "%select{%diff{assigning to $ from $|assigning to different types}0,1" "|%diff{passing $ to parameter of type $|" "passing to parameter of different type}0,1" "|%diff{returning $ from a function with result type $|" "returning from function with different return type}0,1" "|%diff{converting $ to type $|converting between types}0,1" "|%diff{initializing $ with an expression of type $|" "initializing with expression of different type}0,1" "|%diff{sending $ to parameter of type $|" "sending to parameter of different type}0,1" "|%diff{casting $ to type $|casting between types}0,1}2">, InGroup, DefaultIgnore; def err_int_to_block_pointer : Error< "invalid block pointer conversion " "%select{%diff{assigning to $ from $|assigning to different types}0,1" "|%diff{passing $ to parameter of type $|" "passing to parameter of different type}0,1" "|%diff{returning $ from a function with result type $|" "returning from function with different return type}0,1" "|%diff{converting $ to type $|converting between types}0,1" "|%diff{initializing $ with an expression of type $|" "initializing with expression of different type}0,1" "|%diff{sending $ to parameter of type $|" "sending to parameter of different type}0,1" "|%diff{casting $ to type $|casting between types}0,1}2">; def err_typecheck_convert_incompatible_block_pointer : Error< "incompatible block pointer types " "%select{%diff{assigning to $ from $|assigning to different types}0,1" "|%diff{passing $ to parameter of type $|" "passing to parameter of different type}0,1" "|%diff{returning $ from a function with result type $|" "returning from function with different return type}0,1" "|%diff{converting $ to type $|converting between types}0,1" "|%diff{initializing $ with an expression of type $|" "initializing with expression of different type}0,1" "|%diff{sending $ to parameter of type $|" "sending to parameter of different type}0,1" "|%diff{casting $ to type $|casting between types}0,1}2">; def err_typecheck_incompatible_address_space : Error< "%select{%diff{assigning $ to $|assigning to different types}1,0" "|%diff{passing $ to parameter of type $|" "passing to parameter of different type}0,1" "|%diff{returning $ from a function with result type $|" "returning from function with different return type}0,1" "|%diff{converting $ to type $|converting between types}0,1" "|%diff{initializing $ with an expression of type $|" "initializing with expression of different type}0,1" "|%diff{sending $ to parameter of type $|" "sending to parameter of different type}0,1" "|%diff{casting $ to type $|casting between types}0,1}2" " changes address space of pointer">; def err_typecheck_incompatible_nested_address_space : Error< "%select{%diff{assigning $ to $|assigning to different types}1,0" "|%diff{passing $ to parameter of type $|" "passing to parameter of different type}0,1" "|%diff{returning $ from a function with result type $|" "returning from function with different return type}0,1" "|%diff{converting $ to type $|converting between types}0,1" "|%diff{initializing $ with an expression of type $|" "initializing with expression of different type}0,1" "|%diff{sending $ to parameter of type $|" "sending to parameter of different type}0,1" "|%diff{casting $ to type $|casting between types}0,1}2" " changes address space of nested pointer">; def err_typecheck_incompatible_ownership : Error< "%select{%diff{assigning $ to $|assigning to different types}1,0" "|%diff{passing $ to parameter of type $|" "passing to parameter of different type}0,1" "|%diff{returning $ from a function with result type $|" "returning from function with different return type}0,1" "|%diff{converting $ to type $|converting between types}0,1" "|%diff{initializing $ with an expression of type $|" "initializing with expression of different type}0,1" "|%diff{sending $ to parameter of type $|" "sending to parameter of different type}0,1" "|%diff{casting $ to type $|casting between types}0,1}2" " changes retain/release properties of pointer">; def err_typecheck_comparison_of_distinct_blocks : Error< "comparison of distinct block types%diff{ ($ and $)|}0,1">; def err_typecheck_array_not_modifiable_lvalue : Error< "array type %0 is not assignable">; def err_typecheck_non_object_not_modifiable_lvalue : Error< "non-object type %0 is not assignable">; def err_typecheck_expression_not_modifiable_lvalue : Error< "expression is not assignable">; def err_typecheck_incomplete_type_not_modifiable_lvalue : Error< "incomplete type %0 is not assignable">; def err_typecheck_lvalue_casts_not_supported : Error< "assignment to cast is illegal, lvalue casts are not supported">; def err_typecheck_duplicate_vector_components_not_mlvalue : Error< "vector is not assignable (contains duplicate components)">; def err_block_decl_ref_not_modifiable_lvalue : Error< "variable is not assignable (missing __block type specifier)">; def err_lambda_decl_ref_not_modifiable_lvalue : Error< "cannot assign to a variable captured by copy in a non-mutable lambda">; def err_typecheck_call_not_function : Error< "called object type %0 is not a function or function pointer">; def err_call_incomplete_return : Error< "calling function with incomplete return type %0">; def err_call_function_incomplete_return : Error< "calling %0 with incomplete return type %1">; def err_call_incomplete_argument : Error< "argument type %0 is incomplete">; def err_typecheck_call_too_few_args : Error< "too few %select{|||execution configuration }0arguments to " "%select{function|block|method|kernel function}0 call, " "expected %1, have %2">; def err_typecheck_call_too_few_args_one : Error< "too few %select{|||execution configuration }0arguments to " "%select{function|block|method|kernel function}0 call, " "single argument %1 was not specified">; def err_typecheck_call_too_few_args_at_least : Error< "too few %select{|||execution configuration }0arguments to " "%select{function|block|method|kernel function}0 call, " "expected at least %1, have %2">; def err_typecheck_call_too_few_args_at_least_one : Error< "too few %select{|||execution configuration }0arguments to " "%select{function|block|method|kernel function}0 call, " "at least argument %1 must be specified">; def err_typecheck_call_too_few_args_suggest : Error< "too few %select{|||execution configuration }0arguments to " "%select{function|block|method|kernel function}0 call, " "expected %1, have %2; did you mean %3?">; def err_typecheck_call_too_few_args_at_least_suggest : Error< "too few %select{|||execution configuration }0arguments to " "%select{function|block|method|kernel function}0 call, " "expected at least %1, have %2; did you mean %3?">; def err_typecheck_call_too_many_args : Error< "too many %select{|||execution configuration }0arguments to " "%select{function|block|method|kernel function}0 call, " "expected %1, have %2">; def err_typecheck_call_too_many_args_one : Error< "too many %select{|||execution configuration }0arguments to " "%select{function|block|method|kernel function}0 call, " "expected single argument %1, have %2 arguments">; def err_typecheck_call_too_many_args_at_most : Error< "too many %select{|||execution configuration }0arguments to " "%select{function|block|method|kernel function}0 call, " "expected at most %1, have %2">; def err_typecheck_call_too_many_args_at_most_one : Error< "too many %select{|||execution configuration }0arguments to " "%select{function|block|method|kernel function}0 call, " "expected at most single argument %1, have %2 arguments">; def err_typecheck_call_too_many_args_suggest : Error< "too many %select{|||execution configuration }0arguments to " "%select{function|block|method|kernel function}0 call, " "expected %1, have %2; did you mean %3?">; def err_typecheck_call_too_many_args_at_most_suggest : Error< "too many %select{|||execution configuration }0arguments to " "%select{function|block|method|kernel function}0 call, " "expected at most %1, have %2; did you mean %3?">; def err_arc_typecheck_convert_incompatible_pointer : Error< "incompatible pointer types passing retainable parameter of type %0" "to a CF function expecting %1 type">; def err_builtin_fn_use : Error<"builtin functions must be directly called">; def warn_call_wrong_number_of_arguments : Warning< "too %select{few|many}0 arguments in call to %1">; def err_atomic_builtin_must_be_pointer : Error< "address argument to atomic builtin must be a pointer (%0 invalid)">; def err_atomic_builtin_must_be_pointer_intptr : Error< "address argument to atomic builtin must be a pointer to integer or pointer" " (%0 invalid)">; def err_atomic_builtin_cannot_be_const : Error< "address argument to atomic builtin cannot be const-qualified (%0 invalid)">; def err_atomic_builtin_must_be_pointer_intfltptr : Error< "address argument to atomic builtin must be a pointer to integer," " floating-point or pointer (%0 invalid)">; def err_atomic_builtin_pointer_size : Error< "address argument to atomic builtin must be a pointer to 1,2,4,8 or 16 byte " "type (%0 invalid)">; def err_atomic_exclusive_builtin_pointer_size : Error< "address argument to load or store exclusive builtin must be a pointer to" " 1,2,4 or 8 byte type (%0 invalid)">; def err_atomic_op_needs_atomic : Error< "address argument to atomic operation must be a pointer to _Atomic " "type (%0 invalid)">; def err_atomic_op_needs_non_const_atomic : Error< "address argument to atomic operation must be a pointer to non-%select{const|constant}0 _Atomic " "type (%1 invalid)">; def err_atomic_op_needs_non_const_pointer : Error< "address argument to atomic operation must be a pointer to non-const " "type (%0 invalid)">; def err_atomic_op_needs_trivial_copy : Error< "address argument to atomic operation must be a pointer to a " "trivially-copyable type (%0 invalid)">; def err_atomic_op_needs_atomic_int_or_ptr : Error< "address argument to atomic operation must be a pointer to %select{|atomic }0" "integer or pointer (%1 invalid)">; def err_atomic_op_needs_int32_or_ptr : Error< "address argument to atomic operation must be a pointer to signed or unsigned 32-bit integer">; def err_atomic_op_bitwise_needs_atomic_int : Error< "address argument to bitwise atomic operation must be a pointer to " "%select{|atomic }0integer (%1 invalid)">; def warn_atomic_op_has_invalid_memory_order : Warning< "memory order argument to atomic operation is invalid">, InGroup>; def err_atomic_op_has_invalid_synch_scope : Error< "synchronization scope argument to atomic operation is invalid">; def warn_atomic_implicit_seq_cst : Warning< "implicit use of sequentially-consistent atomic may incur stronger memory barriers than necessary">, InGroup>, DefaultIgnore; def err_overflow_builtin_must_be_int : Error< "operand argument to overflow builtin must be an integer (%0 invalid)">; def err_overflow_builtin_must_be_ptr_int : Error< "result argument to overflow builtin must be a pointer " "to a non-const integer (%0 invalid)">; def err_atomic_load_store_uses_lib : Error< "atomic %select{load|store}0 requires runtime support that is not " "available for this target">; def err_nontemporal_builtin_must_be_pointer : Error< "address argument to nontemporal builtin must be a pointer (%0 invalid)">; def err_nontemporal_builtin_must_be_pointer_intfltptr_or_vector : Error< "address argument to nontemporal builtin must be a pointer to integer, float, " "pointer, or a vector of such types (%0 invalid)">; def err_deleted_function_use : Error<"attempt to use a deleted function">; def err_deleted_inherited_ctor_use : Error< "constructor inherited by %0 from base class %1 is implicitly deleted">; def note_called_by : Note<"called by %0">; def err_kern_type_not_void_return : Error< "kernel function type %0 must have void return type">; def err_kern_is_nonstatic_method : Error< "kernel function %0 must be a free function or static member function">; def err_config_scalar_return : Error< "CUDA special function '%0' must have scalar return type">; def err_kern_call_not_global_function : Error< "kernel call to non-global function %0">; def err_global_call_not_config : Error< "call to global function %0 not configured">; def err_ref_bad_target : Error< "reference to %select{__device__|__global__|__host__|__host__ __device__}0 " "function %1 in %select{__device__|__global__|__host__|__host__ __device__}2 function">; def err_ref_bad_target_global_initializer : Error< "reference to %select{__device__|__global__|__host__|__host__ __device__}0 " "function %1 in global initializer">; def warn_kern_is_method : Extension< "kernel function %0 is a member function; this may not be accepted by nvcc">, InGroup; def warn_kern_is_inline : Warning< "ignored 'inline' attribute on kernel function %0">, InGroup; def err_variadic_device_fn : Error< "CUDA device code does not support variadic functions">; def err_va_arg_in_device : Error< "CUDA device code does not support va_arg">; def err_alias_not_supported_on_nvptx : Error<"CUDA does not support aliases">; def err_cuda_unattributed_constexpr_cannot_overload_device : Error< "constexpr function %0 without __host__ or __device__ attributes cannot " "overload __device__ function with same signature. Add a __host__ " "attribute, or build with -fno-cuda-host-device-constexpr.">; def note_cuda_conflicting_device_function_declared_here : Note< "conflicting __device__ function declared here">; def err_cuda_device_exceptions : Error< "cannot use '%0' in " "%select{__device__|__global__|__host__|__host__ __device__}1 function">; def err_dynamic_var_init : Error< "dynamic initialization is not supported for " "__device__, __constant__, and __shared__ variables.">; def err_shared_var_init : Error< "initialization is not supported for __shared__ variables.">; def err_device_static_local_var : Error< "within a %select{__device__|__global__|__host__|__host__ __device__}0 " "function, only __shared__ variables or const variables without device " "memory qualifier may be marked 'static'">; def err_cuda_vla : Error< "cannot use variable-length arrays in " "%select{__device__|__global__|__host__|__host__ __device__}0 functions">; def err_cuda_extern_shared : Error<"__shared__ variable %0 cannot be 'extern'">; def err_cuda_host_shared : Error< "__shared__ local variables not allowed in " "%select{__device__|__global__|__host__|__host__ __device__}0 functions">; def err_cuda_nonglobal_constant : Error<"__constant__ variables must be global">; def err_cuda_ovl_target : Error< "%select{__device__|__global__|__host__|__host__ __device__}0 function %1 " "cannot overload %select{__device__|__global__|__host__|__host__ __device__}2 function %3">; def note_cuda_ovl_candidate_target_mismatch : Note< "candidate template ignored: target attributes do not match">; def warn_non_pod_vararg_with_format_string : Warning< "cannot pass %select{non-POD|non-trivial}0 object of type %1 to variadic " "%select{function|block|method|constructor}2; expected type from format " "string was %3">, InGroup, DefaultError; // The arguments to this diagnostic should match the warning above. def err_cannot_pass_objc_interface_to_vararg_format : Error< "cannot pass object with interface type %1 by value to variadic " "%select{function|block|method|constructor}2; expected type from format " "string was %3">; def err_cannot_pass_non_trivial_c_struct_to_vararg : Error< "cannot pass non-trivial C object of type %0 by value to variadic " "%select{function|block|method|constructor}1">; def err_cannot_pass_objc_interface_to_vararg : Error< "cannot pass object with interface type %0 by value through variadic " "%select{function|block|method|constructor}1">; def warn_cannot_pass_non_pod_arg_to_vararg : Warning< "cannot pass object of %select{non-POD|non-trivial}0 type %1 through variadic" " %select{function|block|method|constructor}2; call will abort at runtime">, InGroup, DefaultError; def warn_cxx98_compat_pass_non_pod_arg_to_vararg : Warning< "passing object of trivial but non-POD type %0 through variadic" " %select{function|block|method|constructor}1 is incompatible with C++98">, InGroup, DefaultIgnore; def warn_pass_class_arg_to_vararg : Warning< "passing object of class type %0 through variadic " "%select{function|block|method|constructor}1" "%select{|; did you mean to call '%3'?}2">, InGroup, DefaultIgnore; def err_cannot_pass_to_vararg : Error< "cannot pass %select{expression of type %1|initializer list}0 to variadic " "%select{function|block|method|constructor}2">; def err_cannot_pass_to_vararg_format : Error< "cannot pass %select{expression of type %1|initializer list}0 to variadic " "%select{function|block|method|constructor}2; expected type from format " "string was %3">; def err_typecheck_call_invalid_ordered_compare : Error< "ordered compare requires two args of floating point type" "%diff{ ($ and $)|}0,1">; def err_typecheck_call_invalid_unary_fp : Error< "floating point classification requires argument of floating point type " "(passed in %0)">; def err_typecheck_cond_expect_int_float : Error< "used type %0 where integer or floating point type is required">; def err_typecheck_cond_expect_scalar : Error< "used type %0 where arithmetic or pointer type is required">; def err_typecheck_cond_expect_nonfloat : Error< "used type %0 where floating point type is not allowed">; def ext_typecheck_cond_one_void : Extension< "C99 forbids conditional expressions with only one void side">; def err_typecheck_cast_to_incomplete : Error< "cast to incomplete type %0">; def ext_typecheck_cast_nonscalar : Extension< "C99 forbids casting nonscalar type %0 to the same type">; def ext_typecheck_cast_to_union : Extension< "cast to union type is a GNU extension">, InGroup; def err_typecheck_cast_to_union_no_type : Error< "cast to union type from type %0 not present in union">; def err_cast_pointer_from_non_pointer_int : Error< "operand of type %0 cannot be cast to a pointer type">; def warn_cast_pointer_from_sel : Warning< "cast of type %0 to %1 is deprecated; use sel_getName instead">, InGroup; def warn_function_def_in_objc_container : Warning< "function definition inside an Objective-C container is deprecated">, InGroup; def warn_cast_calling_conv : Warning< "cast between incompatible calling conventions '%0' and '%1'; " "calls through this pointer may abort at runtime">, InGroup>; def note_change_calling_conv_fixit : Note< "consider defining %0 with the '%1' calling convention">; def warn_bad_function_cast : Warning< "cast from function call of type %0 to non-matching type %1">, InGroup, DefaultIgnore; def err_cast_pointer_to_non_pointer_int : Error< "pointer cannot be cast to type %0">; def err_typecheck_expect_scalar_operand : Error< "operand of type %0 where arithmetic or pointer type is required">; def err_typecheck_cond_incompatible_operands : Error< "incompatible operand types%diff{ ($ and $)|}0,1">; def err_cast_selector_expr : Error< "cannot type cast @selector expression">; def ext_typecheck_cond_incompatible_pointers : ExtWarn< "pointer type mismatch%diff{ ($ and $)|}0,1">, InGroup>; def ext_typecheck_cond_pointer_integer_mismatch : ExtWarn< "pointer/integer type mismatch in conditional expression" "%diff{ ($ and $)|}0,1">, InGroup>; def err_typecheck_choose_expr_requires_constant : Error< "'__builtin_choose_expr' requires a constant expression">; def warn_unused_expr : Warning<"expression result unused">, InGroup; def warn_unused_voidptr : Warning< "expression result unused; should this cast be to 'void'?">, InGroup; def warn_unused_property_expr : Warning< "property access result unused - getters should not be used for side effects">, InGroup; def warn_unused_container_subscript_expr : Warning< "container access result unused - container access should not be used for side effects">, InGroup; def warn_unused_call : Warning< "ignoring return value of function declared with %0 attribute">, InGroup; def warn_unused_constructor : Warning< "ignoring temporary created by a constructor declared with %0 attribute">, InGroup; def warn_unused_constructor_msg : Warning< "ignoring temporary created by a constructor declared with %0 attribute: %1">, InGroup; def warn_side_effects_unevaluated_context : Warning< "expression with side effects has no effect in an unevaluated context">, InGroup; def warn_side_effects_typeid : Warning< "expression with side effects will be evaluated despite being used as an " "operand to 'typeid'">, InGroup; def warn_unused_result : Warning< "ignoring return value of function declared with %0 attribute">, InGroup; def warn_unused_result_msg : Warning< "ignoring return value of function declared with %0 attribute: %1">, InGroup; def warn_unused_volatile : Warning< "expression result unused; assign into a variable to force a volatile load">, InGroup>; def ext_cxx14_attr : Extension< "use of the %0 attribute is a C++14 extension">, InGroup; def ext_cxx17_attr : Extension< "use of the %0 attribute is a C++17 extension">, InGroup; def ext_cxx2a_attr : Extension< "use of the %0 attribute is a C++2a extension">, InGroup; def warn_unused_comparison : Warning< "%select{equality|inequality|relational|three-way}0 comparison result unused">, InGroup; def note_inequality_comparison_to_or_assign : Note< "use '|=' to turn this inequality comparison into an or-assignment">; def err_incomplete_type_used_in_type_trait_expr : Error< "incomplete type %0 used in type trait expression">; def err_require_constant_init_failed : Error< "variable does not have a constant initializer">; def note_declared_required_constant_init_here : Note< "required by 'require_constant_initialization' attribute here">; def err_dimension_expr_not_constant_integer : Error< "dimension expression does not evaluate to a constant unsigned int">; def err_typecheck_cond_incompatible_operands_null : Error< "non-pointer operand type %0 incompatible with %select{NULL|nullptr}1">; def ext_empty_struct_union : Extension< "empty %select{struct|union}0 is a GNU extension">, InGroup; def ext_no_named_members_in_struct_union : Extension< "%select{struct|union}0 without named members is a GNU extension">, InGroup; def warn_zero_size_struct_union_compat : Warning<"%select{|empty }0" "%select{struct|union}1 has size 0 in C, %select{size 1|non-zero size}2 in C++">, InGroup, DefaultIgnore; def warn_zero_size_struct_union_in_extern_c : Warning<"%select{|empty }0" "%select{struct|union}1 has size 0 in C, %select{size 1|non-zero size}2 in C++">, InGroup; def warn_cast_qual : Warning<"cast from %0 to %1 drops %select{const and " "volatile qualifiers|const qualifier|volatile qualifier}2">, InGroup, DefaultIgnore; def warn_cast_qual2 : Warning<"cast from %0 to %1 must have all intermediate " "pointers const qualified to be safe">, InGroup, DefaultIgnore; def warn_redefine_extname_not_applied : Warning< "#pragma redefine_extname is applicable to external C declarations only; " "not applied to %select{function|variable}0 %1">, InGroup; } // End of general sema category. // inline asm. let CategoryName = "Inline Assembly Issue" in { def err_asm_invalid_lvalue_in_output : Error<"invalid lvalue in asm output">; def err_asm_invalid_output_constraint : Error< "invalid output constraint '%0' in asm">; def err_asm_invalid_lvalue_in_input : Error< "invalid lvalue in asm input for constraint '%0'">; def err_asm_invalid_input_constraint : Error< "invalid input constraint '%0' in asm">; def err_asm_immediate_expected : Error<"constraint '%0' expects " "an integer constant expression">; def err_asm_tying_incompatible_types : Error< "unsupported inline asm: input with type " "%diff{$ matching output with type $|}0,1">; def err_asm_unexpected_constraint_alternatives : Error< "asm constraint has an unexpected number of alternatives: %0 vs %1">; def err_asm_incomplete_type : Error<"asm operand has incomplete type %0">; def err_asm_unknown_register_name : Error<"unknown register name '%0' in asm">; def err_asm_invalid_global_var_reg : Error<"register '%0' unsuitable for " "global register variables on this target">; def err_asm_register_size_mismatch : Error<"size of register '%0' does not " "match variable size">; def err_asm_bad_register_type : Error<"bad type for named register variable">; def err_asm_invalid_input_size : Error< "invalid input size for constraint '%0'">; def err_asm_invalid_output_size : Error< "invalid output size for constraint '%0'">; def err_invalid_asm_cast_lvalue : Error< "invalid use of a cast in a inline asm context requiring an l-value: " "remove the cast or build with -fheinous-gnu-extensions">; def err_invalid_asm_value_for_constraint : Error <"value '%0' out of range for constraint '%1'">; def err_asm_non_addr_value_in_memory_constraint : Error < "reference to a %select{bit-field|vector element|global register variable}0" " in asm %select{input|output}1 with a memory constraint '%2'">; def err_asm_input_duplicate_match : Error< "more than one input constraint matches the same output '%0'">; def warn_asm_label_on_auto_decl : Warning< "ignored asm label '%0' on automatic variable">; def warn_invalid_asm_cast_lvalue : Warning< "invalid use of a cast in an inline asm context requiring an l-value: " "accepted due to -fheinous-gnu-extensions, but clang may remove support " "for this in the future">; def warn_asm_mismatched_size_modifier : Warning< "value size does not match register size specified by the constraint " "and modifier">, InGroup; def note_asm_missing_constraint_modifier : Note< "use constraint modifier \"%0\"">; def note_asm_input_duplicate_first : Note< "constraint '%0' is already present here">; def error_duplicate_asm_operand_name : Error< "duplicate use of asm operand name \"%0\"">; def note_duplicate_asm_operand_name : Note< "asm operand name \"%0\" first referenced here">; } def error_inoutput_conflict_with_clobber : Error< "asm-specifier for input or output variable conflicts with asm" " clobber list">; let CategoryName = "Semantic Issue" in { def err_invalid_conversion_between_vectors : Error< "invalid conversion between vector type%diff{ $ and $|}0,1 of different " "size">; def err_invalid_conversion_between_vector_and_integer : Error< "invalid conversion between vector type %0 and integer type %1 " "of different size">; def err_opencl_function_pointer : Error< "pointers to functions are not allowed">; def err_opencl_taking_address_capture : Error< "taking address of a capture is not allowed">; def err_invalid_conversion_between_vector_and_scalar : Error< "invalid conversion between vector type %0 and scalar type %1">; // C++ member initializers. def err_only_constructors_take_base_inits : Error< "only constructors take base initializers">; def err_multiple_mem_initialization : Error < "multiple initializations given for non-static member %0">; def err_multiple_mem_union_initialization : Error < "initializing multiple members of union">; def err_multiple_base_initialization : Error < "multiple initializations given for base %0">; def err_mem_init_not_member_or_class : Error< "member initializer %0 does not name a non-static data member or base " "class">; def warn_initializer_out_of_order : Warning< "%select{field|base class}0 %1 will be initialized after " "%select{field|base}2 %3">, InGroup, DefaultIgnore; def warn_abstract_vbase_init_ignored : Warning< "initializer for virtual base class %0 of abstract class %1 " "will never be used">, InGroup>, DefaultIgnore; def err_base_init_does_not_name_class : Error< "constructor initializer %0 does not name a class">; def err_base_init_direct_and_virtual : Error< "base class initializer %0 names both a direct base class and an " "inherited virtual base class">; def err_not_direct_base_or_virtual : Error< "type %0 is not a direct or virtual base of %1">; def err_in_class_initializer_non_const : Error< "non-const static data member must be initialized out of line">; def err_in_class_initializer_volatile : Error< "static const volatile data member must be initialized out of line">; def err_in_class_initializer_bad_type : Error< "static data member of type %0 must be initialized out of line">; def ext_in_class_initializer_float_type : ExtWarn< "in-class initializer for static data member of type %0 is a GNU extension">, InGroup; def ext_in_class_initializer_float_type_cxx11 : ExtWarn< "in-class initializer for static data member of type %0 requires " "'constexpr' specifier">, InGroup, DefaultError; def note_in_class_initializer_float_type_cxx11 : Note<"add 'constexpr'">; def err_in_class_initializer_literal_type : Error< "in-class initializer for static data member of type %0 requires " "'constexpr' specifier">; def err_in_class_initializer_non_constant : Error< "in-class initializer for static data member is not a constant expression">; def err_in_class_initializer_not_yet_parsed : Error< "default member initializer for %1 needed within definition of enclosing " "class %0 outside of member functions">; def note_in_class_initializer_not_yet_parsed : Note< "default member initializer declared here">; def err_in_class_initializer_cycle : Error<"default member initializer for %0 uses itself">; def ext_in_class_initializer_non_constant : Extension< "in-class initializer for static data member is not a constant expression; " "folding it to a constant is a GNU extension">, InGroup; def err_thread_dynamic_init : Error< "initializer for thread-local variable must be a constant expression">; def err_thread_nontrivial_dtor : Error< "type of thread-local variable has non-trivial destruction">; def note_use_thread_local : Note< "use 'thread_local' to allow this">; // C++ anonymous unions and GNU anonymous structs/unions def ext_anonymous_union : Extension< "anonymous unions are a C11 extension">, InGroup; def ext_gnu_anonymous_struct : Extension< "anonymous structs are a GNU extension">, InGroup; def ext_c11_anonymous_struct : Extension< "anonymous structs are a C11 extension">, InGroup; def err_anonymous_union_not_static : Error< "anonymous unions at namespace or global scope must be declared 'static'">; def err_anonymous_union_with_storage_spec : Error< "anonymous union at class scope must not have a storage specifier">; def err_anonymous_struct_not_member : Error< "anonymous %select{structs|structs and classes}0 must be " "%select{struct or union|class}0 members">; def err_anonymous_record_member_redecl : Error< "member of anonymous %select{struct|union}0 redeclares %1">; def err_anonymous_record_with_type : Error< "types cannot be declared in an anonymous %select{struct|union}0">; def ext_anonymous_record_with_type : Extension< "types declared in an anonymous %select{struct|union}0 are a Microsoft " "extension">, InGroup; def ext_anonymous_record_with_anonymous_type : Extension< "anonymous types declared in an anonymous %select{struct|union}0 " "are an extension">, InGroup>; def err_anonymous_record_with_function : Error< "functions cannot be declared in an anonymous %select{struct|union}0">; def err_anonymous_record_with_static : Error< "static members cannot be declared in an anonymous %select{struct|union}0">; def err_anonymous_record_bad_member : Error< "anonymous %select{struct|union}0 can only contain non-static data members">; def err_anonymous_record_nonpublic_member : Error< "anonymous %select{struct|union}0 cannot contain a " "%select{private|protected}1 data member">; def ext_ms_anonymous_record : ExtWarn< "anonymous %select{structs|unions}0 are a Microsoft extension">, InGroup; // C++ local classes def err_reference_to_local_in_enclosing_context : Error< "reference to local %select{variable|binding}1 %0 declared in enclosing " "%select{%3|block literal|lambda expression|context}2">; def err_static_data_member_not_allowed_in_local_class : Error< "static data member %0 not allowed in local class %1">; // C++ derived classes def err_base_clause_on_union : Error<"unions cannot have base classes">; def err_base_must_be_class : Error<"base specifier must name a class">; def err_union_as_base_class : Error<"unions cannot be base classes">; def err_circular_inheritance : Error< "circular inheritance between %0 and %1">; def err_base_class_has_flexible_array_member : Error< "base class %0 has a flexible array member">; def err_incomplete_base_class : Error<"base class has incomplete type">; def err_duplicate_base_class : Error< "base class %0 specified more than once as a direct base class">; def warn_inaccessible_base_class : Warning< "direct base %0 is inaccessible due to ambiguity:%1">, InGroup>; // FIXME: better way to display derivation? Pass entire thing into diagclient? def err_ambiguous_derived_to_base_conv : Error< "ambiguous conversion from derived class %0 to base class %1:%2">; def err_ambiguous_memptr_conv : Error< "ambiguous conversion from pointer to member of %select{base|derived}0 " "class %1 to pointer to member of %select{derived|base}0 class %2:%3">; def ext_ms_ambiguous_direct_base : ExtWarn< "accessing inaccessible direct base %0 of %1 is a Microsoft extension">, InGroup; def err_memptr_conv_via_virtual : Error< "conversion from pointer to member of class %0 to pointer to member " "of class %1 via virtual base %2 is not allowed">; // C++ member name lookup def err_ambiguous_member_multiple_subobjects : Error< "non-static member %0 found in multiple base-class subobjects of type %1:%2">; def err_ambiguous_member_multiple_subobject_types : Error< "member %0 found in multiple base classes of different types">; def note_ambiguous_member_found : Note<"member found by ambiguous name lookup">; def err_ambiguous_reference : Error<"reference to %0 is ambiguous">; def note_ambiguous_candidate : Note<"candidate found by name lookup is %q0">; def err_ambiguous_tag_hiding : Error<"a type named %0 is hidden by a " "declaration in a different namespace">; def note_hidden_tag : Note<"type declaration hidden">; def note_hiding_object : Note<"declaration hides type">; // C++ operator overloading def err_operator_overload_needs_class_or_enum : Error< "overloaded %0 must have at least one parameter of class " "or enumeration type">; def err_operator_overload_variadic : Error<"overloaded %0 cannot be variadic">; def err_operator_overload_static : Error< "overloaded %0 cannot be a static member function">; def err_operator_overload_default_arg : Error< "parameter of overloaded %0 cannot have a default argument">; def err_operator_overload_must_be : Error< "overloaded %0 must be a %select{unary|binary|unary or binary}2 operator " "(has %1 parameter%s1)">; def err_operator_overload_must_be_member : Error< "overloaded %0 must be a non-static member function">; def err_operator_overload_post_incdec_must_be_int : Error< "parameter of overloaded post-%select{increment|decrement}1 operator must " "have type 'int' (not %0)">; // C++ allocation and deallocation functions. def err_operator_new_delete_declared_in_namespace : Error< "%0 cannot be declared inside a namespace">; def err_operator_new_delete_declared_static : Error< "%0 cannot be declared static in global scope">; def ext_operator_new_delete_declared_inline : ExtWarn< "replacement function %0 cannot be declared 'inline'">, InGroup>; def err_operator_new_delete_invalid_result_type : Error< "%0 must return type %1">; def err_operator_new_delete_dependent_result_type : Error< "%0 cannot have a dependent return type; use %1 instead">; def err_operator_new_delete_too_few_parameters : Error< "%0 must have at least one parameter">; def err_operator_new_delete_template_too_few_parameters : Error< "%0 template must have at least two parameters">; def warn_operator_new_returns_null : Warning< "%0 should not return a null pointer unless it is declared 'throw()'" "%select{| or 'noexcept'}1">, InGroup; def err_operator_new_dependent_param_type : Error< "%0 cannot take a dependent type as first parameter; " "use size_t (%1) instead">; def err_operator_new_param_type : Error< "%0 takes type size_t (%1) as first parameter">; def err_operator_new_default_arg: Error< "parameter of %0 cannot have a default argument">; def err_operator_delete_dependent_param_type : Error< "%0 cannot take a dependent type as first parameter; use %1 instead">; def err_operator_delete_param_type : Error< "first parameter of %0 must have type %1">; def err_destroying_operator_delete_not_usual : Error< "destroying operator delete can have only an optional size and optional " "alignment parameter">; def note_implicit_delete_this_in_destructor_here : Note< "while checking implicit 'delete this' for virtual destructor">; def err_builtin_operator_new_delete_not_usual : Error< "call to '%select{__builtin_operator_new|__builtin_operator_delete}0' " "selects non-usual %select{allocation|deallocation}0 function">; def note_non_usual_function_declared_here : Note< "non-usual %0 declared here">; // C++ literal operators def err_literal_operator_outside_namespace : Error< "literal operator %0 must be in a namespace or global scope">; def err_literal_operator_id_outside_namespace : Error< "non-namespace scope '%0' cannot have a literal operator member">; def err_literal_operator_default_argument : Error< "literal operator cannot have a default argument">; def err_literal_operator_bad_param_count : Error< "non-template literal operator must have one or two parameters">; def err_literal_operator_invalid_param : Error< "parameter of literal operator must have type 'unsigned long long', 'long double', 'char', 'wchar_t', 'char16_t', 'char32_t', or 'const char *'">; def err_literal_operator_param : Error< "invalid literal operator parameter type %0, did you mean %1?">; def err_literal_operator_template_with_params : Error< "literal operator template cannot have any parameters">; def err_literal_operator_template : Error< "template parameter list for literal operator must be either 'char...' or 'typename T, T...'">; def err_literal_operator_extern_c : Error< "literal operator must have C++ linkage">; def ext_string_literal_operator_template : ExtWarn< "string literal operator templates are a GNU extension">, InGroup; def warn_user_literal_reserved : Warning< "user-defined literal suffixes not starting with '_' are reserved" "%select{; no literal will invoke this operator|}0">, InGroup; // C++ conversion functions def err_conv_function_not_member : Error< "conversion function must be a non-static member function">; def err_conv_function_return_type : Error< "conversion function cannot have a return type">; def err_conv_function_with_params : Error< "conversion function cannot have any parameters">; def err_conv_function_variadic : Error< "conversion function cannot be variadic">; def err_conv_function_to_array : Error< "conversion function cannot convert to an array type">; def err_conv_function_to_function : Error< "conversion function cannot convert to a function type">; def err_conv_function_with_complex_decl : Error< "cannot specify any part of a return type in the " "declaration of a conversion function" "%select{" "; put the complete type after 'operator'|" "; use a typedef to declare a conversion to %1|" "; use an alias template to declare a conversion to %1|" "}0">; def err_conv_function_redeclared : Error< "conversion function cannot be redeclared">; def warn_conv_to_self_not_used : Warning< "conversion function converting %0 to itself will never be used">; def warn_conv_to_base_not_used : Warning< "conversion function converting %0 to its base class %1 will never be used">; def warn_conv_to_void_not_used : Warning< "conversion function converting %0 to %1 will never be used">; def warn_not_compound_assign : Warning< "use of unary operator that may be intended as compound assignment (%0=)">; // C++11 explicit conversion operators def ext_explicit_conversion_functions : ExtWarn< "explicit conversion functions are a C++11 extension">, InGroup; def warn_cxx98_compat_explicit_conversion_functions : Warning< "explicit conversion functions are incompatible with C++98">, InGroup, DefaultIgnore; // C++11 defaulted functions def err_defaulted_special_member_params : Error< "an explicitly-defaulted %select{|copy |move }0constructor cannot " "have default arguments">; def err_defaulted_special_member_variadic : Error< "an explicitly-defaulted %select{|copy |move }0constructor cannot " "be variadic">; def err_defaulted_special_member_return_type : Error< "explicitly-defaulted %select{copy|move}0 assignment operator must " "return %1">; def err_defaulted_special_member_quals : Error< "an explicitly-defaulted %select{copy|move}0 assignment operator may not " "have 'const'%select{, 'constexpr'|}1 or 'volatile' qualifiers">; def err_defaulted_special_member_volatile_param : Error< "the parameter for an explicitly-defaulted %sub{select_special_member_kind}0 " "may not be volatile">; def err_defaulted_special_member_move_const_param : Error< "the parameter for an explicitly-defaulted move " "%select{constructor|assignment operator}0 may not be const">; def err_defaulted_special_member_copy_const_param : Error< "the parameter for this explicitly-defaulted copy " "%select{constructor|assignment operator}0 is const, but a member or base " "requires it to be non-const">; def err_defaulted_copy_assign_not_ref : Error< "the parameter for an explicitly-defaulted copy assignment operator must be an " "lvalue reference type">; def err_incorrect_defaulted_constexpr : Error< "defaulted definition of %sub{select_special_member_kind}0 " "is not constexpr">; def err_incorrect_defaulted_consteval : Error< "defaulted declaration of %sub{select_special_member_kind}0 " "cannot be consteval because implicit definition is not constexpr">; def warn_defaulted_method_deleted : Warning< "explicitly defaulted %sub{select_special_member_kind}0 is implicitly " "deleted">, InGroup>; def err_out_of_line_default_deletes : Error< "defaulting this %sub{select_special_member_kind}0 " "would delete it after its first declaration">; def note_deleted_type_mismatch : Note< "function is implicitly deleted because its declared type does not match " "the type of an implicit %sub{select_special_member_kind}0">; def warn_cxx17_compat_defaulted_method_type_mismatch : Warning< "explicitly defaulting this %sub{select_special_member_kind}0 with a type " "different from the implicit type is incompatible with C++ standards before " "C++2a">, InGroup, DefaultIgnore; def warn_vbase_moved_multiple_times : Warning< "defaulted move assignment operator of %0 will move assign virtual base " "class %1 multiple times">, InGroup>; def note_vbase_moved_here : Note< "%select{%1 is a virtual base class of base class %2 declared here|" "virtual base class %1 declared here}0">; def ext_implicit_exception_spec_mismatch : ExtWarn< "function previously declared with an %select{explicit|implicit}0 exception " "specification redeclared with an %select{implicit|explicit}0 exception " "specification">, InGroup>; def warn_ptr_arith_precedes_bounds : Warning< "the pointer decremented by %0 refers before the beginning of the array">, InGroup, DefaultIgnore; def warn_ptr_arith_exceeds_bounds : Warning< "the pointer incremented by %0 refers past the end of the array (that " "contains %1 element%s2)">, InGroup, DefaultIgnore; def warn_array_index_precedes_bounds : Warning< "array index %0 is before the beginning of the array">, InGroup; def warn_array_index_exceeds_bounds : Warning< "array index %0 is past the end of the array (which contains %1 " "element%s2)">, InGroup; def note_array_index_out_of_bounds : Note< "array %0 declared here">; def warn_printf_insufficient_data_args : Warning< "more '%%' conversions than data arguments">, InGroup; def warn_printf_data_arg_not_used : Warning< "data argument not used by format string">, InGroup; def warn_format_invalid_conversion : Warning< "invalid conversion specifier '%0'">, InGroup; def warn_printf_incomplete_specifier : Warning< "incomplete format specifier">, InGroup; def warn_missing_format_string : Warning< "format string missing">, InGroup; def warn_scanf_nonzero_width : Warning< "zero field width in scanf format string is unused">, InGroup; def warn_format_conversion_argument_type_mismatch : Warning< "format specifies type %0 but the argument has " "%select{type|underlying type}2 %1">, InGroup; def warn_format_conversion_argument_type_mismatch_pedantic : Extension< "format specifies type %0 but the argument has " "%select{type|underlying type}2 %1">, InGroup; def warn_format_argument_needs_cast : Warning< "%select{values of type|enum values with underlying type}2 '%0' should not " "be used as format arguments; add an explicit cast to %1 instead">, InGroup; def warn_format_argument_needs_cast_pedantic : Warning< "%select{values of type|enum values with underlying type}2 '%0' should not " "be used as format arguments; add an explicit cast to %1 instead">, InGroup, DefaultIgnore; def warn_printf_positional_arg_exceeds_data_args : Warning < "data argument position '%0' exceeds the number of data arguments (%1)">, InGroup; def warn_format_zero_positional_specifier : Warning< "position arguments in format strings start counting at 1 (not 0)">, InGroup; def warn_format_invalid_positional_specifier : Warning< "invalid position specified for %select{field width|field precision}0">, InGroup; def warn_format_mix_positional_nonpositional_args : Warning< "cannot mix positional and non-positional arguments in format string">, InGroup; def warn_static_array_too_small : Warning< "array argument is too small; %select{contains %0 elements|is of size %0}2," " callee requires at least %1">, InGroup; def note_callee_static_array : Note< "callee declares array parameter as static here">; def warn_empty_format_string : Warning< "format string is empty">, InGroup; def warn_format_string_is_wide_literal : Warning< "format string should not be a wide string">, InGroup; def warn_printf_format_string_contains_null_char : Warning< "format string contains '\\0' within the string body">, InGroup; def warn_printf_format_string_not_null_terminated : Warning< "format string is not null-terminated">, InGroup; def warn_printf_asterisk_missing_arg : Warning< "'%select{*|.*}0' specified field %select{width|precision}0 is missing a matching 'int' argument">, InGroup; def warn_printf_asterisk_wrong_type : Warning< "field %select{width|precision}0 should have type %1, but argument has type %2">, InGroup; def warn_printf_nonsensical_optional_amount: Warning< "%select{field width|precision}0 used with '%1' conversion specifier, resulting in undefined behavior">, InGroup; def warn_printf_nonsensical_flag: Warning< "flag '%0' results in undefined behavior with '%1' conversion specifier">, InGroup; def warn_format_nonsensical_length: Warning< "length modifier '%0' results in undefined behavior or no effect with '%1' conversion specifier">, InGroup; def warn_format_non_standard_positional_arg: Warning< "positional arguments are not supported by ISO C">, InGroup, DefaultIgnore; def warn_format_non_standard: Warning< "'%0' %select{length modifier|conversion specifier}1 is not supported by ISO C">, InGroup, DefaultIgnore; def warn_format_non_standard_conversion_spec: Warning< "using length modifier '%0' with conversion specifier '%1' is not supported by ISO C">, InGroup, DefaultIgnore; def err_invalid_mask_type_size : Error< "mask type size must be between 1-byte and 8-bytes">; def warn_format_invalid_annotation : Warning< "using '%0' format specifier annotation outside of os_log()/os_trace()">, InGroup; def warn_format_P_no_precision : Warning< "using '%%P' format specifier without precision">, InGroup; def warn_printf_ignored_flag: Warning< "flag '%0' is ignored when flag '%1' is present">, InGroup; def warn_printf_empty_objc_flag: Warning< "missing object format flag">, InGroup; def warn_printf_ObjCflags_without_ObjCConversion: Warning< "object format flags cannot be used with '%0' conversion specifier">, InGroup; def warn_printf_invalid_objc_flag: Warning< "'%0' is not a valid object format flag">, InGroup; def warn_scanf_scanlist_incomplete : Warning< "no closing ']' for '%%[' in scanf format string">, InGroup; def note_format_string_defined : Note<"format string is defined here">; def note_format_fix_specifier : Note<"did you mean to use '%0'?">; def note_printf_c_str: Note<"did you mean to call the %0 method?">; def note_format_security_fixit: Note< "treat the string as an argument to avoid this">; def warn_null_arg : Warning< "null passed to a callee that requires a non-null argument">, InGroup; def warn_null_ret : Warning< "null returned from %select{function|method}0 that requires a non-null return value">, InGroup; def err_lifetimebound_no_object_param : Error< "'lifetimebound' attribute cannot be applied; %select{static |non-}0member " "function has no implicit object parameter">; def err_lifetimebound_ctor_dtor : Error< "'lifetimebound' attribute cannot be applied to a " "%select{constructor|destructor}0">; // CHECK: returning address/reference of stack memory def warn_ret_stack_addr_ref : Warning< "%select{address of|reference to}0 stack memory associated with " "%select{local variable|parameter}2 %1 returned">, InGroup; def warn_ret_local_temp_addr_ref : Warning< "returning %select{address of|reference to}0 local temporary object">, InGroup; def warn_ret_addr_label : Warning< "returning address of label, which is local">, InGroup; def err_ret_local_block : Error< "returning block that lives on the local stack">; def note_local_var_initializer : Note< "%select{via initialization of|binding reference}0 variable " "%select{%2 |}1here">; def note_init_with_default_member_initalizer : Note< "initializing field %0 with default member initializer">; // Check for initializing a member variable with the address or a reference to // a constructor parameter. def warn_bind_ref_member_to_parameter : Warning< "binding reference member %0 to stack allocated " "%select{variable|parameter}2 %1">, InGroup; def warn_init_ptr_member_to_parameter_addr : Warning< "initializing pointer member %0 with the stack address of " "%select{variable|parameter}2 %1">, InGroup; def note_ref_or_ptr_member_declared_here : Note< "%select{reference|pointer}0 member declared here">; def err_dangling_member : Error< "%select{reference|backing array for 'std::initializer_list'}2 " "%select{|subobject of }1member %0 " "%select{binds to|is}2 a temporary object " "whose lifetime would be shorter than the lifetime of " "the constructed object">; def warn_dangling_member : Warning< "%select{reference|backing array for 'std::initializer_list'}2 " "%select{|subobject of }1member %0 " "%select{binds to|is}2 a temporary object " "whose lifetime is shorter than the lifetime of the constructed object">, InGroup; def warn_dangling_lifetime_pointer_member : Warning< "initializing pointer member %0 to point to a temporary object " "whose lifetime is shorter than the lifetime of the constructed object">, InGroup; def note_lifetime_extending_member_declared_here : Note< "%select{%select{reference|'std::initializer_list'}0 member|" "member with %select{reference|'std::initializer_list'}0 subobject}1 " "declared here">; def warn_dangling_variable : Warning< "%select{temporary %select{whose address is used as value of|" "%select{|implicitly }2bound to}4 " "%select{%select{|reference }4member of local variable|" "local %select{variable|reference}4}1|" "array backing " "%select{initializer list subobject of local variable|" "local initializer list}1}0 " "%select{%3 |}2will be destroyed at the end of the full-expression">, InGroup; def warn_new_dangling_reference : Warning< "temporary bound to reference member of allocated object " "will be destroyed at the end of the full-expression">, InGroup; def warn_dangling_lifetime_pointer : Warning< "object backing the pointer " "will be destroyed at the end of the full-expression">, InGroup; def warn_new_dangling_initializer_list : Warning< "array backing " "%select{initializer list subobject of the allocated object|" "the allocated initializer list}0 " "will be destroyed at the end of the full-expression">, InGroup; def warn_unsupported_lifetime_extension : Warning< "sorry, lifetime extension of " "%select{temporary|backing array of initializer list}0 created " "by aggregate initialization using default member initializer " "is not supported; lifetime of %select{temporary|backing array}0 " "will end at the end of the full-expression">, InGroup; // For non-floating point, expressions of the form x == x or x != x // should result in a warning, since these always evaluate to a constant. // Array comparisons have similar warnings def warn_comparison_always : Warning< "%select{self-|array }0comparison always evaluates to " "%select{a constant|true|false|'std::strong_ordering::equal'}1">, InGroup; def warn_comparison_bitwise_always : Warning< "bitwise comparison always evaluates to %select{false|true}0">, InGroup; def warn_tautological_overlap_comparison : Warning< "overlapping comparisons always evaluate to %select{false|true}0">, InGroup, DefaultIgnore; def warn_stringcompare : Warning< "result of comparison against %select{a string literal|@encode}0 is " "unspecified (use strncmp instead)">, InGroup; def warn_identity_field_assign : Warning< "assigning %select{field|instance variable}0 to itself">, InGroup; // Type safety attributes def err_type_tag_for_datatype_not_ice : Error< "'type_tag_for_datatype' attribute requires the initializer to be " "an %select{integer|integral}0 constant expression">; def err_type_tag_for_datatype_too_large : Error< "'type_tag_for_datatype' attribute requires the initializer to be " "an %select{integer|integral}0 constant expression " "that can be represented by a 64 bit integer">; def err_tag_index_out_of_range : Error< "%select{type tag|argument}0 index %1 is greater than the number of arguments specified">; def warn_type_tag_for_datatype_wrong_kind : Warning< "this type tag was not designed to be used with this function">, InGroup; def warn_type_safety_type_mismatch : Warning< "argument type %0 doesn't match specified %1 type tag " "%select{that requires %3|}2">, InGroup; def warn_type_safety_null_pointer_required : Warning< "specified %0 type tag requires a null pointer">, InGroup; // Generic selections. def err_assoc_type_incomplete : Error< "type %0 in generic association incomplete">; def err_assoc_type_nonobject : Error< "type %0 in generic association not an object type">; def err_assoc_type_variably_modified : Error< "type %0 in generic association is a variably modified type">; def err_assoc_compatible_types : Error< "type %0 in generic association compatible with previously specified type %1">; def note_compat_assoc : Note< "compatible type %0 specified here">; def err_generic_sel_no_match : Error< "controlling expression type %0 not compatible with any generic association type">; def err_generic_sel_multi_match : Error< "controlling expression type %0 compatible with %1 generic association types">; // Blocks def err_blocks_disable : Error<"blocks support disabled - compile with -fblocks" " or %select{pick a deployment target that supports them|for OpenCL 2.0}0">; def err_block_returning_array_function : Error< "block cannot return %select{array|function}0 type %1">; // Builtin annotation def err_builtin_annotation_first_arg : Error< "first argument to __builtin_annotation must be an integer">; def err_builtin_annotation_second_arg : Error< "second argument to __builtin_annotation must be a non-wide string constant">; def err_msvc_annotation_wide_str : Error< "arguments to __annotation must be wide string constants">; // CFString checking def err_cfstring_literal_not_string_constant : Error< "CFString literal is not a string constant">; def warn_cfstring_truncated : Warning< "input conversion stopped due to an input byte that does not " "belong to the input codeset UTF-8">, InGroup>; // os_log checking // TODO: separate diagnostic for os_trace() def err_os_log_format_not_string_constant : Error< "os_log() format argument is not a string constant">; def err_os_log_argument_too_big : Error< "os_log() argument %0 is too big (%1 bytes, max %2)">; def warn_os_log_format_narg : Error< "os_log() '%%n' format specifier is not allowed">, DefaultError; // Statements. def err_continue_not_in_loop : Error< "'continue' statement not in loop statement">; def err_break_not_in_loop_or_switch : Error< "'break' statement not in loop or switch statement">; def warn_loop_ctrl_binds_to_inner : Warning< "'%0' is bound to current loop, GCC binds it to the enclosing loop">, InGroup; def warn_break_binds_to_switch : Warning< "'break' is bound to loop, GCC binds it to switch">, InGroup; def err_default_not_in_switch : Error< "'default' statement not in switch statement">; def err_case_not_in_switch : Error<"'case' statement not in switch statement">; def warn_bool_switch_condition : Warning< "switch condition has boolean value">, InGroup; def warn_case_value_overflow : Warning< "overflow converting case value to switch condition type (%0 to %1)">, InGroup; def err_duplicate_case : Error<"duplicate case value '%0'">; def err_duplicate_case_differing_expr : Error< "duplicate case value: '%0' and '%1' both equal '%2'">; def warn_case_empty_range : Warning<"empty case range specified">; def warn_missing_case_for_condition : Warning<"no case matching constant switch condition '%0'">; def warn_def_missing_case : Warning<"%plural{" "1:enumeration value %1 not explicitly handled in switch|" "2:enumeration values %1 and %2 not explicitly handled in switch|" "3:enumeration values %1, %2, and %3 not explicitly handled in switch|" ":%0 enumeration values not explicitly handled in switch: %1, %2, %3...}0">, InGroup, DefaultIgnore; def warn_missing_case : Warning<"%plural{" "1:enumeration value %1 not handled in switch|" "2:enumeration values %1 and %2 not handled in switch|" "3:enumeration values %1, %2, and %3 not handled in switch|" ":%0 enumeration values not handled in switch: %1, %2, %3...}0">, InGroup; def warn_unannotated_fallthrough : Warning< "unannotated fall-through between switch labels">, InGroup, DefaultIgnore; def warn_unannotated_fallthrough_per_function : Warning< "unannotated fall-through between switch labels in partly-annotated " "function">, InGroup, DefaultIgnore; def note_insert_fallthrough_fixit : Note< "insert '%0;' to silence this warning">; def note_insert_break_fixit : Note< "insert 'break;' to avoid fall-through">; def err_fallthrough_attr_wrong_target : Error< "%0 attribute is only allowed on empty statements">; def note_fallthrough_insert_semi_fixit : Note<"did you forget ';'?">; def err_fallthrough_attr_outside_switch : Error< "fallthrough annotation is outside switch statement">; def err_fallthrough_attr_invalid_placement : Error< "fallthrough annotation does not directly precede switch label">; def warn_fallthrough_attr_unreachable : Warning< "fallthrough annotation in unreachable code">, InGroup, DefaultIgnore; def warn_unreachable_default : Warning< "default label in switch which covers all enumeration values">, InGroup, DefaultIgnore; def warn_not_in_enum : Warning<"case value not in enumerated type %0">, InGroup; def warn_not_in_enum_assignment : Warning<"integer constant not in range " "of enumerated type %0">, InGroup>, DefaultIgnore; def err_typecheck_statement_requires_scalar : Error< "statement requires expression of scalar type (%0 invalid)">; def err_typecheck_statement_requires_integer : Error< "statement requires expression of integer type (%0 invalid)">; def err_multiple_default_labels_defined : Error< "multiple default labels in one switch">; def err_switch_multiple_conversions : Error< "multiple conversions from switch condition type %0 to an integral or " "enumeration type">; def note_switch_conversion : Note< "conversion to %select{integral|enumeration}0 type %1">; def err_switch_explicit_conversion : Error< "switch condition type %0 requires explicit conversion to %1">; def err_switch_incomplete_class_type : Error< "switch condition has incomplete class type %0">; def warn_empty_if_body : Warning< "if statement has empty body">, InGroup; def warn_empty_for_body : Warning< "for loop has empty body">, InGroup; def warn_empty_range_based_for_body : Warning< "range-based for loop has empty body">, InGroup; def warn_empty_while_body : Warning< "while loop has empty body">, InGroup; def warn_empty_switch_body : Warning< "switch statement has empty body">, InGroup; def note_empty_body_on_separate_line : Note< "put the semicolon on a separate line to silence this warning">; def err_va_start_captured_stmt : Error< "'va_start' cannot be used in a captured statement">; def err_va_start_outside_function : Error< "'va_start' cannot be used outside a function">; def err_va_start_fixed_function : Error< "'va_start' used in function with fixed args">; def err_va_start_used_in_wrong_abi_function : Error< "'va_start' used in %select{System V|Win64}0 ABI function">; def err_ms_va_start_used_in_sysv_function : Error< "'__builtin_ms_va_start' used in System V ABI function">; def warn_second_arg_of_va_start_not_last_named_param : Warning< "second argument to 'va_start' is not the last named parameter">, InGroup; def warn_va_start_type_is_undefined : Warning< "passing %select{an object that undergoes default argument promotion|" "an object of reference type|a parameter declared with the 'register' " "keyword}0 to 'va_start' has undefined behavior">, InGroup; def err_first_argument_to_va_arg_not_of_type_va_list : Error< "first argument to 'va_arg' is of type %0 and not 'va_list'">; def err_second_parameter_to_va_arg_incomplete: Error< "second argument to 'va_arg' is of incomplete type %0">; def err_second_parameter_to_va_arg_abstract: Error< "second argument to 'va_arg' is of abstract type %0">; def warn_second_parameter_to_va_arg_not_pod : Warning< "second argument to 'va_arg' is of non-POD type %0">, InGroup, DefaultError; def warn_second_parameter_to_va_arg_ownership_qualified : Warning< "second argument to 'va_arg' is of ARC ownership-qualified type %0">, InGroup, DefaultError; def warn_second_parameter_to_va_arg_never_compatible : Warning< "second argument to 'va_arg' is of promotable type %0; this va_arg has " "undefined behavior because arguments will be promoted to %1">, InGroup; def warn_return_missing_expr : Warning< "non-void %select{function|method}1 %0 should return a value">, DefaultError, InGroup; def ext_return_missing_expr : ExtWarn< "non-void %select{function|method}1 %0 should return a value">, DefaultError, InGroup; def ext_return_has_expr : ExtWarn< "%select{void function|void method|constructor|destructor}1 %0 " "should not return a value">, DefaultError, InGroup; def ext_return_has_void_expr : Extension< "void %select{function|method|block}1 %0 should not return void expression">; def err_return_init_list : Error< "%select{void function|void method|constructor|destructor}1 %0 " "must not return a value">; def err_ctor_dtor_returns_void : Error< "%select{constructor|destructor}1 %0 must not return void expression">; def warn_noreturn_function_has_return_expr : Warning< "function %0 declared 'noreturn' should not return">, InGroup; def warn_falloff_noreturn_function : Warning< "function declared 'noreturn' should not return">, InGroup; def err_noreturn_block_has_return_expr : Error< "block declared 'noreturn' should not return">; def err_noreturn_missing_on_first_decl : Error< "function declared '[[noreturn]]' after its first declaration">; def note_noreturn_missing_first_decl : Note< "declaration missing '[[noreturn]]' attribute is here">; def err_carries_dependency_missing_on_first_decl : Error< "%select{function|parameter}0 declared '[[carries_dependency]]' " "after its first declaration">; def note_carries_dependency_missing_first_decl : Note< "declaration missing '[[carries_dependency]]' attribute is here">; def err_carries_dependency_param_not_function_decl : Error< "'[[carries_dependency]]' attribute only allowed on parameter in a function " "declaration or lambda">; def err_block_on_nonlocal : Error< "__block attribute not allowed, only allowed on local variables">; def err_block_on_vm : Error< "__block attribute not allowed on declaration with a variably modified type">; def err_vec_builtin_non_vector : Error< "first two arguments to %0 must be vectors">; def err_vec_builtin_incompatible_vector : Error< "first two arguments to %0 must have the same type">; def err_vsx_builtin_nonconstant_argument : Error< "argument %0 to %1 must be a 2-bit unsigned literal (i.e. 0, 1, 2 or 3)">; def err_shufflevector_nonconstant_argument : Error< "index for __builtin_shufflevector must be a constant integer">; def err_shufflevector_argument_too_large : Error< "index for __builtin_shufflevector must be less than the total number " "of vector elements">; def err_convertvector_non_vector : Error< "first argument to __builtin_convertvector must be a vector">; def err_convertvector_non_vector_type : Error< "second argument to __builtin_convertvector must be a vector type">; def err_convertvector_incompatible_vector : Error< "first two arguments to __builtin_convertvector must have the same number of elements">; def err_first_argument_to_cwsc_not_call : Error< "first argument to __builtin_call_with_static_chain must be a non-member call expression">; def err_first_argument_to_cwsc_block_call : Error< "first argument to __builtin_call_with_static_chain must not be a block call">; def err_first_argument_to_cwsc_builtin_call : Error< "first argument to __builtin_call_with_static_chain must not be a builtin call">; def err_first_argument_to_cwsc_pdtor_call : Error< "first argument to __builtin_call_with_static_chain must not be a pseudo-destructor call">; def err_second_argument_to_cwsc_not_pointer : Error< "second argument to __builtin_call_with_static_chain must be of pointer type">; def err_vector_incorrect_num_initializers : Error< "%select{too many|too few}0 elements in vector initialization (expected %1 elements, have %2)">; def err_altivec_empty_initializer : Error<"expected initializer">; def err_invalid_neon_type_code : Error< "incompatible constant for this __builtin_neon function">; def err_argument_invalid_range : Error< "argument value %0 is outside the valid range [%1, %2]">; def warn_argument_invalid_range : Warning< "argument value %0 is outside the valid range [%1, %2]">, DefaultError, InGroup>; def err_argument_not_multiple : Error< "argument should be a multiple of %0">; def warn_neon_vector_initializer_non_portable : Warning< "vector initializers are not compatible with NEON intrinsics in big endian " "mode">, InGroup>; def note_neon_vector_initializer_non_portable : Note< "consider using vld1_%0%1() to initialize a vector from memory, or " "vcreate_%0%1() to initialize from an integer constant">; def note_neon_vector_initializer_non_portable_q : Note< "consider using vld1q_%0%1() to initialize a vector from memory, or " "vcombine_%0%1(vcreate_%0%1(), vcreate_%0%1()) to initialize from integer " "constants">; def err_systemz_invalid_tabort_code : Error< "invalid transaction abort code">; def err_64_bit_builtin_32_bit_tgt : Error< "this builtin is only available on 64-bit targets">; def err_32_bit_builtin_64_bit_tgt : Error< "this builtin is only available on 32-bit targets">; def err_builtin_x64_aarch64_only : Error< "this builtin is only available on x86-64 and aarch64 targets">; def err_ppc_builtin_only_on_pwr7 : Error< "this builtin is only valid on POWER7 or later CPUs">; def err_x86_builtin_invalid_rounding : Error< "invalid rounding argument">; def err_x86_builtin_invalid_scale : Error< "scale argument must be 1, 2, 4, or 8">; def err_hexagon_builtin_unsupported_cpu : Error< "builtin is not supported on this CPU">; def err_hexagon_builtin_requires_hvx : Error< "builtin requires HVX">; def err_hexagon_builtin_unsupported_hvx : Error< "builtin is not supported on this version of HVX">; def err_builtin_target_unsupported : Error< "builtin is not supported on this target">; def err_builtin_longjmp_unsupported : Error< "__builtin_longjmp is not supported for the current target">; def err_builtin_setjmp_unsupported : Error< "__builtin_setjmp is not supported for the current target">; def err_builtin_longjmp_invalid_val : Error< "argument to __builtin_longjmp must be a constant 1">; def err_builtin_requires_language : Error<"'%0' is only available in %1">; def err_constant_integer_arg_type : Error< "argument to %0 must be a constant integer">; def ext_mixed_decls_code : Extension< "ISO C90 forbids mixing declarations and code">, InGroup>; def err_non_local_variable_decl_in_for : Error< "declaration of non-local variable in 'for' loop">; def err_non_variable_decl_in_for : Error< "non-variable declaration in 'for' loop">; def err_toomany_element_decls : Error< "only one element declaration is allowed">; def err_selector_element_not_lvalue : Error< "selector element is not a valid lvalue">; def err_selector_element_type : Error< "selector element type %0 is not a valid object">; def err_selector_element_const_type : Error< "selector element of type %0 cannot be a constant l-value expression">; def err_collection_expr_type : Error< "the type %0 is not a pointer to a fast-enumerable object">; def warn_collection_expr_type : Warning< "collection expression type %0 may not respond to %1">; def err_invalid_conversion_between_ext_vectors : Error< "invalid conversion between ext-vector type %0 and %1">; def warn_duplicate_attribute_exact : Warning< "attribute %0 is already applied">, InGroup; def warn_duplicate_attribute : Warning< "attribute %0 is already applied with different parameters">, InGroup; def warn_sync_fetch_and_nand_semantics_change : Warning< "the semantics of this intrinsic changed with GCC " "version 4.4 - the newer semantics are provided here">, InGroup>; // Type def ext_wchar_t_sign_spec : ExtWarn<"'%0' cannot be signed or unsigned">, InGroup>, DefaultError; def warn_receiver_forward_class : Warning< "receiver %0 is a forward class and corresponding @interface may not exist">, InGroup; def note_method_sent_forward_class : Note<"method %0 is used for the forward class">; def ext_missing_declspec : ExtWarn< "declaration specifier missing, defaulting to 'int'">; def ext_missing_type_specifier : ExtWarn< "type specifier missing, defaults to 'int'">, InGroup; def err_decimal_unsupported : Error< "GNU decimal type extension not supported">; def err_missing_type_specifier : Error< "C++ requires a type specifier for all declarations">; def err_objc_array_of_interfaces : Error< "array of interface %0 is invalid (probably should be an array of pointers)">; def ext_c99_array_usage : Extension< "%select{qualifier in |static |}0array size %select{||'[*] '}0is a C99 " "feature">, InGroup; def err_c99_array_usage_cxx : Error< "%select{qualifier in |static |}0array size %select{||'[*] '}0is a C99 " "feature, not permitted in C++">; def err_type_unsupported : Error< "%0 is not supported on this target">; def err_nsconsumed_attribute_mismatch : Error< "overriding method has mismatched ns_consumed attribute on its" " parameter">; def err_nsreturns_retained_attribute_mismatch : Error< "overriding method has mismatched ns_returns_%select{not_retained|retained}0" " attributes">; def warn_nsconsumed_attribute_mismatch : Warning< err_nsconsumed_attribute_mismatch.Text>, InGroup; def warn_nsreturns_retained_attribute_mismatch : Warning< err_nsreturns_retained_attribute_mismatch.Text>, InGroup; def note_getter_unavailable : Note< "or because setter is declared here, but no getter method %0 is found">; def err_invalid_protocol_qualifiers : Error< "invalid protocol qualifiers on non-ObjC type">; def warn_ivar_use_hidden : Warning< "local declaration of %0 hides instance variable">, InGroup; def warn_direct_initialize_call : Warning< "explicit call to +initialize results in duplicate call to +initialize">, InGroup; def warn_direct_super_initialize_call : Warning< "explicit call to [super initialize] should only be in implementation " "of +initialize">, InGroup; def err_ivar_use_in_class_method : Error< "instance variable %0 accessed in class method">; def err_private_ivar_access : Error<"instance variable %0 is private">, AccessControl; def err_protected_ivar_access : Error<"instance variable %0 is protected">, AccessControl; def warn_maynot_respond : Warning<"%0 may not respond to %1">; def ext_typecheck_base_super : Warning< "method parameter type " "%diff{$ does not match super class method parameter type $|" "does not match super class method parameter type}0,1">, InGroup, DefaultIgnore; def warn_missing_method_return_type : Warning< "method has no return type specified; defaults to 'id'">, InGroup, DefaultIgnore; def warn_direct_ivar_access : Warning<"instance variable %0 is being " "directly accessed">, InGroup>, DefaultIgnore; // Spell-checking diagnostics def err_unknown_typename : Error< "unknown type name %0">; def err_unknown_type_or_class_name_suggest : Error< "unknown %select{type|class}1 name %0; did you mean %2?">; def err_unknown_typename_suggest : Error< "unknown type name %0; did you mean %1?">; def err_unknown_nested_typename_suggest : Error< "no type named %0 in %1; did you mean %select{|simply }2%3?">; def err_no_member_suggest : Error<"no member named %0 in %1; did you mean %select{|simply }2%3?">; def err_undeclared_use_suggest : Error< "use of undeclared %0; did you mean %1?">; def err_undeclared_var_use_suggest : Error< "use of undeclared identifier %0; did you mean %1?">; def err_no_template : Error<"no template named %0">; def err_no_template_suggest : Error<"no template named %0; did you mean %1?">; def err_no_member_template : Error<"no template named %0 in %1">; def err_no_member_template_suggest : Error< "no template named %0 in %1; did you mean %select{|simply }2%3?">; def err_non_template_in_template_id : Error< "%0 does not name a template but is followed by template arguments">; def err_non_template_in_template_id_suggest : Error< "%0 does not name a template but is followed by template arguments; " "did you mean %1?">; def err_non_template_in_member_template_id_suggest : Error< "member %0 of %1 is not a template; did you mean %select{|simply }2%3?">; def note_non_template_in_template_id_found : Note< "non-template declaration found by name lookup">; def err_mem_init_not_member_or_class_suggest : Error< "initializer %0 does not name a non-static data member or base " "class; did you mean the %select{base class|member}1 %2?">; def err_field_designator_unknown_suggest : Error< "field designator %0 does not refer to any field in type %1; did you mean " "%2?">; def err_typecheck_member_reference_ivar_suggest : Error< "%0 does not have a member named %1; did you mean %2?">; def err_property_not_found_suggest : Error< "property %0 not found on object of type %1; did you mean %2?">; def err_class_property_found : Error< "property %0 is a class property; did you mean to access it with class '%1'?">; def err_ivar_access_using_property_syntax_suggest : Error< "property %0 not found on object of type %1; did you mean to access instance variable %2?">; def warn_property_access_suggest : Warning< "property %0 not found on object of type %1; did you mean to access property %2?">, InGroup; def err_property_found_suggest : Error< "property %0 found on object of type %1; did you mean to access " "it with the \".\" operator?">; def err_undef_interface_suggest : Error< "cannot find interface declaration for %0; did you mean %1?">; def warn_undef_interface_suggest : Warning< "cannot find interface declaration for %0; did you mean %1?">; def err_undef_superclass_suggest : Error< "cannot find interface declaration for %0, superclass of %1; did you mean " "%2?">; def err_undeclared_protocol_suggest : Error< "cannot find protocol declaration for %0; did you mean %1?">; def note_base_class_specified_here : Note< "base class %0 specified here">; def err_using_directive_suggest : Error< "no namespace named %0; did you mean %1?">; def err_using_directive_member_suggest : Error< "no namespace named %0 in %1; did you mean %select{|simply }2%3?">; def note_namespace_defined_here : Note<"namespace %0 defined here">; def err_sizeof_pack_no_pack_name_suggest : Error< "%0 does not refer to the name of a parameter pack; did you mean %1?">; def note_parameter_pack_here : Note<"parameter pack %0 declared here">; def err_uncasted_use_of_unknown_any : Error< "%0 has unknown type; cast it to its declared type to use it">; def err_uncasted_call_of_unknown_any : Error< "%0 has unknown return type; cast the call to its declared return type">; def err_uncasted_send_to_unknown_any_method : Error< "no known method %select{%objcinstance1|%objcclass1}0; cast the " "message send to the method's return type">; def err_unsupported_unknown_any_decl : Error< "%0 has unknown type, which is not supported for this kind of declaration">; def err_unsupported_unknown_any_expr : Error< "unsupported expression with unknown type">; def err_unsupported_unknown_any_call : Error< "call to unsupported expression with unknown type">; def err_unknown_any_addrof : Error< "the address of a declaration with unknown type " "can only be cast to a pointer type">; def err_unknown_any_addrof_call : Error< "address-of operator cannot be applied to a call to a function with " "unknown return type">; def err_unknown_any_var_function_type : Error< "variable %0 with unknown type cannot be given a function type">; def err_unknown_any_function : Error< "function %0 with unknown type must be given a function type">; def err_filter_expression_integral : Error< "filter expression type should be an integral value not %0">; def err_non_asm_stmt_in_naked_function : Error< "non-ASM statement in naked function is not supported">; def err_asm_naked_this_ref : Error< "'this' pointer references not allowed in naked functions">; def err_asm_naked_parm_ref : Error< "parameter references not allowed in naked functions">; // OpenCL warnings and errors. def err_invalid_astype_of_different_size : Error< "invalid reinterpretation: sizes of %0 and %1 must match">; def err_static_kernel : Error< "kernel functions cannot be declared static">; def err_method_kernel : Error< "kernel functions cannot be class members">; def err_template_kernel : Error< "kernel functions cannot be used in a template declaration, instantiation or specialization">; def err_opencl_ptrptr_kernel_param : Error< "kernel parameter cannot be declared as a pointer to a pointer">; def err_kernel_arg_address_space : Error< "pointer arguments to kernel functions must reside in '__global', " "'__constant' or '__local' address space">; def err_opencl_ext_vector_component_invalid_length : Error< "vector component access has invalid length %0. Supported: 1,2,3,4,8,16.">; def err_opencl_function_variable : Error< "%select{non-kernel function|function scope}0 variable cannot be declared in %1 address space">; def err_opencl_addrspace_scope : Error< "variables in the %0 address space can only be declared in the outermost " "scope of a kernel function">; def err_static_function_scope : Error< "variables in function scope cannot be declared static">; def err_opencl_bitfields : Error< "bit-fields are not supported in OpenCL">; def err_opencl_vla : Error< "variable length arrays are not supported in OpenCL">; def err_opencl_scalar_type_rank_greater_than_vector_type : Error< "scalar operand type has greater rank than the type of the vector " "element. (%0 and %1)">; def err_bad_kernel_param_type : Error< "%0 cannot be used as the type of a kernel parameter">; def err_opencl_implicit_function_decl : Error< "implicit declaration of function %0 is invalid in OpenCL">; def err_record_with_pointers_kernel_param : Error< "%select{struct|union}0 kernel parameters may not contain pointers">; def note_within_field_of_type : Note< "within field of type %0 declared here">; def note_illegal_field_declared_here : Note< "field of illegal %select{type|pointer type}0 %1 declared here">; def err_opencl_type_struct_or_union_field : Error< "the %0 type cannot be used to declare a structure or union field">; def err_event_t_addr_space_qual : Error< "the event_t type can only be used with __private address space qualifier">; def err_expected_kernel_void_return_type : Error< "kernel must have void return type">; def err_sampler_initializer_not_integer : Error< "sampler_t initialization requires 32-bit integer, not %0">; def warn_sampler_initializer_invalid_bits : Warning< "sampler initializer has invalid %0 bits">, InGroup, DefaultIgnore; def err_sampler_argument_required : Error< "sampler_t variable required - got %0">; def err_wrong_sampler_addressspace: Error< "sampler type cannot be used with the __local and __global address space qualifiers">; def err_opencl_nonconst_global_sampler : Error< "global sampler requires a const or constant address space qualifier">; def err_opencl_cast_non_zero_to_event_t : Error< "cannot cast non-zero value '%0' to 'event_t'">; def err_opencl_global_invalid_addr_space : Error< "%select{program scope|static local|extern}0 variable must reside in %1 address space">; def err_missing_actual_pipe_type : Error< "missing actual type specifier for pipe">; def err_reference_pipe_type : Error < "pipes packet types cannot be of reference type">; def err_opencl_no_main : Error<"%select{function|kernel}0 cannot be called 'main'">; def err_opencl_kernel_attr : Error<"attribute %0 can only be applied to an OpenCL kernel function">; def err_opencl_return_value_with_address_space : Error< "return value cannot be qualified with address space">; def err_opencl_constant_no_init : Error< "variable in constant address space must be initialized">; def err_opencl_atomic_init: Error< "atomic variable can be %select{assigned|initialized}0 to a variable only " "in global address space">; def err_opencl_implicit_vector_conversion : Error< "implicit conversions between vector types (%0 and %1) are not permitted">; def err_opencl_invalid_type_array : Error< "array of %0 type is invalid in OpenCL">; def err_opencl_ternary_with_block : Error< "block type cannot be used as expression in ternary expression in OpenCL">; def err_opencl_pointer_to_type : Error< "pointer to type %0 is invalid in OpenCL">; def err_opencl_type_can_only_be_used_as_function_parameter : Error < "type %0 can only be used as a function parameter in OpenCL">; def warn_opencl_attr_deprecated_ignored : Warning < "%0 attribute is deprecated and ignored in OpenCL version %1">, InGroup; def err_opencl_variadic_function : Error< "invalid prototype, variadic arguments are not allowed in OpenCL">; def err_opencl_requires_extension : Error< "use of %select{type|declaration}0 %1 requires %2 extension to be enabled">; def warn_opencl_generic_address_space_arg : Warning< "passing non-generic address space pointer to %0" " may cause dynamic conversion affecting performance">, InGroup, DefaultIgnore; // OpenCL v2.0 s6.13.6 -- Builtin Pipe Functions def err_opencl_builtin_pipe_first_arg : Error< "first argument to %0 must be a pipe type">; def err_opencl_builtin_pipe_arg_num : Error< "invalid number of arguments to function: %0">; def err_opencl_builtin_pipe_invalid_arg : Error< "invalid argument type to function %0 (expecting %1 having %2)">; def err_opencl_builtin_pipe_invalid_access_modifier : Error< "invalid pipe access modifier (expecting %0)">; // OpenCL access qualifier def err_opencl_invalid_access_qualifier : Error< "access qualifier can only be used for pipe and image type">; def err_opencl_invalid_read_write : Error< "access qualifier %0 can not be used for %1 %select{|prior to OpenCL version 2.0}2">; def err_opencl_multiple_access_qualifiers : Error< "multiple access qualifiers">; def note_opencl_typedef_access_qualifier : Note< "previously declared '%0' here">; // OpenCL v2.0 s6.12.5 Blocks restrictions def err_opencl_block_storage_type : Error< "the __block storage type is not permitted">; def err_opencl_invalid_block_declaration : Error< "invalid block variable declaration - must be %select{const qualified|initialized}0">; def err_opencl_extern_block_declaration : Error< "invalid block variable declaration - using 'extern' storage class is disallowed">; def err_opencl_block_ref_block : Error< "cannot refer to a block inside block">; // OpenCL v2.0 s6.13.9 - Address space qualifier functions. def err_opencl_builtin_to_addr_arg_num : Error< "invalid number of arguments to function: %0">; def err_opencl_builtin_to_addr_invalid_arg : Error< "invalid argument %0 to function: %1, expecting a generic pointer argument">; // OpenCL v2.0 s6.13.17 Enqueue kernel restrictions. def err_opencl_enqueue_kernel_incorrect_args : Error< "illegal call to enqueue_kernel, incorrect argument types">; def err_opencl_enqueue_kernel_local_size_args : Error< "mismatch in number of block parameters and local size arguments passed">; def err_opencl_enqueue_kernel_invalid_local_size_type : Error< "illegal call to enqueue_kernel, parameter needs to be specified as integer type">; def err_opencl_enqueue_kernel_blocks_non_local_void_args : Error< "blocks used in enqueue_kernel call are expected to have parameters of type 'local void*'">; def err_opencl_enqueue_kernel_blocks_no_args : Error< "blocks with parameters are not accepted in this prototype of enqueue_kernel call">; def err_opencl_builtin_expected_type : Error< "illegal call to %0, expected %1 argument type">; // OpenCL v2.2 s2.1.2.3 - Vector Component Access def ext_opencl_ext_vector_type_rgba_selector: ExtWarn< "vector component name '%0' is an OpenCL version 2.2 feature">, InGroup; def err_openclcxx_placement_new : Error< "use of placement new requires explicit declaration">; // MIG routine annotations. def warn_mig_server_routine_does_not_return_kern_return_t : Warning< "'mig_server_routine' attribute only applies to routines that return a kern_return_t">, InGroup; } // end of sema category let CategoryName = "OpenMP Issue" in { // OpenMP support. def err_omp_expected_var_arg : Error< "%0 is not a global variable, static local variable or static data member">; def err_omp_expected_var_arg_suggest : Error< "%0 is not a global variable, static local variable or static data member; " "did you mean %1">; def err_omp_global_var_arg : Error< "arguments of '#pragma omp %0' must have %select{global storage|static storage duration}1">; def err_omp_ref_type_arg : Error< "arguments of '#pragma omp %0' cannot be of reference type %1">; def err_omp_region_not_file_context : Error< "directive must be at file or namespace scope">; def err_omp_var_scope : Error< "'#pragma omp %0' must appear in the scope of the %q1 variable declaration">; def err_omp_var_used : Error< "'#pragma omp %0' must precede all references to variable %q1">; def err_omp_var_thread_local : Error< "variable %0 cannot be threadprivate because it is %select{thread-local|a global named register variable}1">; def err_omp_private_incomplete_type : Error< "a private variable with incomplete type %0">; def err_omp_firstprivate_incomplete_type : Error< "a firstprivate variable with incomplete type %0">; def err_omp_lastprivate_incomplete_type : Error< "a lastprivate variable with incomplete type %0">; def err_omp_reduction_incomplete_type : Error< "a reduction list item with incomplete type %0">; def err_omp_unexpected_clause_value : Error< "expected %0 in OpenMP clause '%1'">; def err_omp_expected_var_name_member_expr : Error< "expected variable name%select{| or data member of current class}0">; def err_omp_expected_var_name_member_expr_or_array_item : Error< "expected variable name%select{|, data member of current class}0, array element or array section">; def err_omp_expected_addressable_lvalue_or_array_item : Error< "expected addressable lvalue expression, array element or array section">; def err_omp_expected_named_var_member_or_array_expression: Error< "expected expression containing only member accesses and/or array sections based on named variables">; def err_omp_bit_fields_forbidden_in_clause : Error< "bit fields cannot be used to specify storage in a '%0' clause">; def err_array_section_does_not_specify_contiguous_storage : Error< "array section does not specify contiguous storage">; def err_omp_union_type_not_allowed : Error< "mapping of union members is not allowed">; def err_omp_expected_access_to_data_field : Error< "expected access to data field">; def err_omp_multiple_array_items_in_map_clause : Error< "multiple array elements associated with the same variable are not allowed in map clauses of the same construct">; def err_omp_duplicate_map_type_modifier : Error< "same map type modifier has been specified more than once">; def err_omp_pointer_mapped_along_with_derived_section : Error< "pointer cannot be mapped along with a section derived from itself">; def err_omp_original_storage_is_shared_and_does_not_contain : Error< "original storage of expression in data environment is shared but data environment do not fully contain mapped expression storage">; def err_omp_same_pointer_dereferenced : Error< "same pointer dereferenced in multiple different ways in map clause expressions">; def note_omp_task_predetermined_firstprivate_here : Note< "predetermined as a firstprivate in a task construct here">; def err_omp_threadprivate_incomplete_type : Error< "threadprivate variable with incomplete type %0">; def err_omp_no_dsa_for_variable : Error< "variable %0 must have explicitly specified data sharing attributes">; def note_omp_default_dsa_none : Note< "explicit data sharing attribute requested here">; def err_omp_wrong_dsa : Error< "%0 variable cannot be %1">; def err_omp_variably_modified_type_not_supported : Error< "arguments of OpenMP clause '%0' in '#pragma omp %2' directive cannot be of variably-modified type %1">; def note_omp_explicit_dsa : Note< "defined as %0">; def note_omp_predetermined_dsa : Note< "%select{static data member is predetermined as shared|" "variable with static storage duration is predetermined as shared|" "loop iteration variable is predetermined as private|" "loop iteration variable is predetermined as linear|" "loop iteration variable is predetermined as lastprivate|" "constant variable is predetermined as shared|" "global variable is predetermined as shared|" "non-shared variable in a task construct is predetermined as firstprivate|" "variable with automatic storage duration is predetermined as private}0" "%select{|; perhaps you forget to enclose 'omp %2' directive into a parallel or another task region?}1">; def note_omp_implicit_dsa : Note< "implicitly determined as %0">; def err_omp_loop_var_dsa : Error< "loop iteration variable in the associated loop of 'omp %1' directive may not be %0, predetermined as %2">; def err_omp_not_for : Error< "%select{statement after '#pragma omp %1' must be a for loop|" "expected %2 for loops after '#pragma omp %1'%select{|, but found only %4}3}0">; def note_omp_collapse_ordered_expr : Note< "as specified in %select{'collapse'|'ordered'|'collapse' and 'ordered'}0 clause%select{||s}0">; def err_omp_negative_expression_in_clause : Error< "argument to '%0' clause must be a %select{non-negative|strictly positive}1 integer value">; def err_omp_not_integral : Error< "expression must have integral or unscoped enumeration " "type, not %0">; def err_omp_threadprivate_in_target : Error< "threadprivate variables cannot be used in target constructs">; def err_omp_incomplete_type : Error< "expression has incomplete class type %0">; def err_omp_explicit_conversion : Error< "expression requires explicit conversion from %0 to %1">; def note_omp_conversion_here : Note< "conversion to %select{integral|enumeration}0 type %1 declared here">; def err_omp_ambiguous_conversion : Error< "ambiguous conversion from type %0 to an integral or unscoped " "enumeration type">; def err_omp_required_access : Error< "%0 variable must be %1">; def err_omp_const_variable : Error< "const-qualified variable cannot be %0">; def err_omp_const_not_mutable_variable : Error< "const-qualified variable without mutable fields cannot be %0">; def err_omp_const_list_item : Error< "const-qualified list item cannot be %0">; def err_omp_linear_incomplete_type : Error< "a linear variable with incomplete type %0">; def err_omp_linear_expected_int_or_ptr : Error< "argument of a linear clause should be of integral or pointer " "type, not %0">; def warn_omp_linear_step_zero : Warning< "zero linear step (%0 %select{|and other variables in clause }1should probably be const)">, InGroup; def warn_omp_alignment_not_power_of_two : Warning< "aligned clause will be ignored because the requested alignment is not a power of 2">, InGroup; def err_omp_invalid_target_decl : Error< "%0 used in declare target directive is not a variable or a function name">; def err_omp_declare_target_multiple : Error< "%0 appears multiple times in clauses on the same declare target directive">; def err_omp_declare_target_to_and_link : Error< "%0 must not appear in both clauses 'to' and 'link'">; def warn_omp_not_in_target_context : Warning< "declaration is not declared in any declare target region">, InGroup; def err_omp_function_in_link_clause : Error< "function name is not allowed in 'link' clause">; def err_omp_aligned_expected_array_or_ptr : Error< "argument of aligned clause should be array" "%select{ or pointer|, pointer, reference to array or reference to pointer}1" ", not %0">; def err_omp_aligned_twice : Error< "%select{a variable|a parameter|'this'}0 cannot appear in more than one aligned clause">; def err_omp_local_var_in_threadprivate_init : Error< "variable with local storage in initial value of threadprivate variable">; def err_omp_loop_not_canonical_init : Error< "initialization clause of OpenMP for loop is not in canonical form " "('var = init' or 'T var = init')">; def ext_omp_loop_not_canonical_init : ExtWarn< "initialization clause of OpenMP for loop is not in canonical form " "('var = init' or 'T var = init')">, InGroup; def err_omp_loop_not_canonical_cond : Error< "condition of OpenMP for loop must be a relational comparison " "('<', '<=', '>', or '>=') of loop variable %0">; def err_omp_loop_not_canonical_incr : Error< "increment clause of OpenMP for loop must perform simple addition " "or subtraction on loop variable %0">; def err_omp_loop_variable_type : Error< "variable must be of integer or %select{pointer|random access iterator}0 type">; def err_omp_loop_incr_not_compatible : Error< "increment expression must cause %0 to %select{decrease|increase}1 " "on each iteration of OpenMP for loop">; def note_omp_loop_cond_requres_compatible_incr : Note< "loop step is expected to be %select{negative|positive}0 due to this condition">; def err_omp_loop_diff_cxx : Error< "could not calculate number of iterations calling 'operator-' with " "upper and lower loop bounds">; def err_omp_loop_cannot_use_stmt : Error< "'%0' statement cannot be used in OpenMP for loop">; def err_omp_simd_region_cannot_use_stmt : Error< "'%0' statement cannot be used in OpenMP simd region">; def warn_omp_loop_64_bit_var : Warning< "OpenMP loop iteration variable cannot have more than 64 bits size and will be narrowed">, InGroup; def err_omp_unknown_reduction_identifier : Error< "incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', " "'&&', '||', 'min' or 'max' or declare reduction for type %0">; def err_omp_not_resolved_reduction_identifier : Error< "unable to resolve declare reduction construct for type %0">; def err_omp_reduction_ref_type_arg : Error< "argument of OpenMP clause '%0' must reference the same object in all threads">; def err_omp_clause_not_arithmetic_type_arg : Error< "arguments of OpenMP clause '%0' for 'min' or 'max' must be of %select{scalar|arithmetic}1 type">; def err_omp_clause_floating_type_arg : Error< "arguments of OpenMP clause '%0' with bitwise operators cannot be of floating type">; def err_omp_once_referenced : Error< "variable can appear only once in OpenMP '%0' clause">; def err_omp_once_referenced_in_target_update : Error< "variable can appear only once in OpenMP 'target update' construct">; def note_omp_referenced : Note< "previously referenced here">; def err_omp_reduction_in_task : Error< "reduction variables may not be accessed in an explicit task">; def err_omp_reduction_id_not_compatible : Error< "list item of type %0 is not valid for specified reduction operation: unable to provide default initialization value">; def err_omp_in_reduction_not_task_reduction : Error< "in_reduction variable must appear in a task_reduction clause">; def err_omp_reduction_identifier_mismatch : Error< "in_reduction variable must have the same reduction operation as in a task_reduction clause">; def note_omp_previous_reduction_identifier : Note< "previously marked as task_reduction with different reduction operation">; def err_omp_prohibited_region : Error< "region cannot be%select{| closely}0 nested inside '%1' region" "%select{|; perhaps you forget to enclose 'omp %3' directive into a parallel region?|" "; perhaps you forget to enclose 'omp %3' directive into a for or a parallel for region with 'ordered' clause?|" "; perhaps you forget to enclose 'omp %3' directive into a target region?|" "; perhaps you forget to enclose 'omp %3' directive into a teams region?}2">; def err_omp_prohibited_region_simd : Error< "OpenMP constructs may not be nested inside a simd region">; def err_omp_prohibited_region_atomic : Error< "OpenMP constructs may not be nested inside an atomic region">; def err_omp_prohibited_region_critical_same_name : Error< "cannot nest 'critical' regions having the same name %0">; def note_omp_previous_critical_region : Note< "previous 'critical' region starts here">; def err_omp_sections_not_compound_stmt : Error< "the statement for '#pragma omp sections' must be a compound statement">; def err_omp_parallel_sections_not_compound_stmt : Error< "the statement for '#pragma omp parallel sections' must be a compound statement">; def err_omp_orphaned_section_directive : Error< "%select{orphaned 'omp section' directives are prohibited, it|'omp section' directive}0" " must be closely nested to a sections region%select{|, not a %1 region}0">; def err_omp_sections_substmt_not_section : Error< "statement in 'omp sections' directive must be enclosed into a section region">; def err_omp_parallel_sections_substmt_not_section : Error< "statement in 'omp parallel sections' directive must be enclosed into a section region">; def err_omp_parallel_reduction_in_task_firstprivate : Error< "argument of a reduction clause of a %0 construct must not appear in a firstprivate clause on a task construct">; def err_omp_atomic_read_not_expression_statement : Error< "the statement for 'atomic read' must be an expression statement of form 'v = x;'," " where v and x are both lvalue expressions with scalar type">; def note_omp_atomic_read_write: Note< "%select{expected an expression statement|expected built-in assignment operator|expected expression of scalar type|expected lvalue expression}0">; def err_omp_atomic_write_not_expression_statement : Error< "the statement for 'atomic write' must be an expression statement of form 'x = expr;'," " where x is a lvalue expression with scalar type">; def err_omp_atomic_update_not_expression_statement : Error< "the statement for 'atomic update' must be an expression statement of form '++x;', '--x;', 'x++;', 'x--;', 'x binop= expr;', 'x = x binop expr' or 'x = expr binop x'," " where x is an l-value expression with scalar type">; def err_omp_atomic_not_expression_statement : Error< "the statement for 'atomic' must be an expression statement of form '++x;', '--x;', 'x++;', 'x--;', 'x binop= expr;', 'x = x binop expr' or 'x = expr binop x'," " where x is an l-value expression with scalar type">; def note_omp_atomic_update: Note< "%select{expected an expression statement|expected built-in binary or unary operator|expected unary decrement/increment operation|" "expected expression of scalar type|expected assignment expression|expected built-in binary operator|" "expected one of '+', '*', '-', '/', '&', '^', '%|', '<<', or '>>' built-in operations|expected in right hand side of expression}0">; def err_omp_atomic_capture_not_expression_statement : Error< "the statement for 'atomic capture' must be an expression statement of form 'v = ++x;', 'v = --x;', 'v = x++;', 'v = x--;', 'v = x binop= expr;', 'v = x = x binop expr' or 'v = x = expr binop x'," " where x and v are both l-value expressions with scalar type">; def err_omp_atomic_capture_not_compound_statement : Error< "the statement for 'atomic capture' must be a compound statement of form '{v = x; x binop= expr;}', '{x binop= expr; v = x;}'," " '{v = x; x = x binop expr;}', '{v = x; x = expr binop x;}', '{x = x binop expr; v = x;}', '{x = expr binop x; v = x;}' or '{v = x; x = expr;}'," " '{v = x; x++;}', '{v = x; ++x;}', '{++x; v = x;}', '{x++; v = x;}', '{v = x; x--;}', '{v = x; --x;}', '{--x; v = x;}', '{x--; v = x;}'" " where x is an l-value expression with scalar type">; def note_omp_atomic_capture: Note< "%select{expected assignment expression|expected compound statement|expected exactly two expression statements|expected in right hand side of the first expression}0">; def err_omp_atomic_several_clauses : Error< "directive '#pragma omp atomic' cannot contain more than one 'read', 'write', 'update' or 'capture' clause">; def note_omp_atomic_previous_clause : Note< "'%0' clause used here">; def err_omp_target_contains_not_only_teams : Error< "target construct with nested teams region contains statements outside of the teams construct">; def note_omp_nested_teams_construct_here : Note< "nested teams construct here">; def note_omp_nested_statement_here : Note< "%select{statement|directive}0 outside teams construct here">; def err_omp_single_copyprivate_with_nowait : Error< "the 'copyprivate' clause must not be used with the 'nowait' clause">; def note_omp_nowait_clause_here : Note< "'nowait' clause is here">; def err_omp_single_decl_in_declare_simd : Error< "single declaration is expected after 'declare simd' directive">; def err_omp_function_expected : Error< "'#pragma omp declare simd' can only be applied to functions">; def err_omp_wrong_cancel_region : Error< "one of 'for', 'parallel', 'sections' or 'taskgroup' is expected">; def err_omp_parent_cancel_region_nowait : Error< "parent region for 'omp %select{cancellation point|cancel}0' construct cannot be nowait">; def err_omp_parent_cancel_region_ordered : Error< "parent region for 'omp %select{cancellation point|cancel}0' construct cannot be ordered">; def err_omp_reduction_wrong_type : Error<"reduction type cannot be %select{qualified with 'const', 'volatile' or 'restrict'|a function|a reference|an array}0 type">; def err_omp_wrong_var_in_declare_reduction : Error<"only %select{'omp_priv' or 'omp_orig'|'omp_in' or 'omp_out'}0 variables are allowed in %select{initializer|combiner}0 expression">; def err_omp_declare_reduction_redefinition : Error<"redefinition of user-defined reduction for type %0">; def err_omp_mapper_wrong_type : Error< "mapper type must be of struct, union or class type">; def err_omp_declare_mapper_wrong_var : Error< "only variable %0 is allowed in map clauses of this 'omp declare mapper' directive">; def err_omp_declare_mapper_redefinition : Error< "redefinition of user-defined mapper for type %0 with name %1">; def err_omp_invalid_mapper: Error< "cannot find a valid user-defined mapper for type %0 with name %1">; def err_omp_array_section_use : Error<"OpenMP array section is not allowed here">; def err_omp_typecheck_section_value : Error< "subscripted value is not an array or pointer">; def err_omp_typecheck_section_not_integer : Error< "array section %select{lower bound|length}0 is not an integer">; def err_omp_section_function_type : Error< "section of pointer to function type %0">; def warn_omp_section_is_char : Warning<"array section %select{lower bound|length}0 is of type 'char'">, InGroup, DefaultIgnore; def err_omp_section_incomplete_type : Error< "section of pointer to incomplete type %0">; def err_omp_section_not_subset_of_array : Error< "array section must be a subset of the original array">; def err_omp_section_length_negative : Error< "section length is evaluated to a negative value %0">; def err_omp_section_length_undefined : Error< "section length is unspecified and cannot be inferred because subscripted value is %select{not an array|an array of unknown bound}0">; def err_omp_wrong_linear_modifier : Error< "expected %select{'val' modifier|one of 'ref', val' or 'uval' modifiers}0">; def err_omp_wrong_linear_modifier_non_reference : Error< "variable of non-reference type %0 can be used only with 'val' modifier, but used with '%1'">; def err_omp_wrong_simdlen_safelen_values : Error< "the value of 'simdlen' parameter must be less than or equal to the value of the 'safelen' parameter">; def err_omp_wrong_if_directive_name_modifier : Error< "directive name modifier '%0' is not allowed for '#pragma omp %1'">; def err_omp_no_more_if_clause : Error< "no more 'if' clause is allowed">; def err_omp_unnamed_if_clause : Error< "expected %select{|one of}0 %1 directive name modifier%select{|s}0">; def note_omp_previous_named_if_clause : Note< "previous clause with directive name modifier specified here">; def err_omp_ordered_directive_with_param : Error< "'ordered' directive %select{without any clauses|with 'threads' clause}0 cannot be closely nested inside ordered region with specified parameter">; def err_omp_ordered_directive_without_param : Error< "'ordered' directive with 'depend' clause cannot be closely nested inside ordered region without specified parameter">; def note_omp_ordered_param : Note< "'ordered' clause with specified parameter">; def err_omp_expected_base_var_name : Error< "expected variable name as a base of the array %select{subscript|section}0">; def err_omp_map_shared_storage : Error< "variable already marked as mapped in current construct">; def err_omp_invalid_map_type_for_directive : Error< "%select{map type '%1' is not allowed|map type must be specified}0 for '#pragma omp %2'">; def err_omp_no_clause_for_directive : Error< "expected at least one %0 clause for '#pragma omp %1'">; def err_omp_threadprivate_in_clause : Error< "threadprivate variables are not allowed in '%0' clause">; def err_omp_wrong_ordered_loop_count : Error< "the parameter of the 'ordered' clause must be greater than or equal to the parameter of the 'collapse' clause">; def note_collapse_loop_count : Note< "parameter of the 'collapse' clause">; def err_omp_grainsize_num_tasks_mutually_exclusive : Error< "'%0' and '%1' clause are mutually exclusive and may not appear on the same directive">; def note_omp_previous_grainsize_num_tasks : Note< "'%0' clause is specified here">; def err_omp_hint_clause_no_name : Error< "the name of the construct must be specified in presence of 'hint' clause">; def err_omp_critical_with_hint : Error< "constructs with the same name must have a 'hint' clause with the same value">; def note_omp_critical_hint_here : Note< "%select{|previous }0'hint' clause with value '%1'">; def note_omp_critical_no_hint : Note< "%select{|previous }0directive with no 'hint' clause specified">; def err_omp_depend_clause_thread_simd : Error< "'depend' clauses cannot be mixed with '%0' clause">; def err_omp_depend_sink_expected_loop_iteration : Error< "expected%select{| %1}0 loop iteration variable">; def err_omp_depend_sink_unexpected_expr : Error< "unexpected expression: number of expressions is larger than the number of associated loops">; def err_omp_depend_sink_expected_plus_minus : Error< "expected '+' or '-' operation">; def err_omp_depend_sink_source_not_allowed : Error< "'depend(%select{source|sink:vec}0)' clause%select{|s}0 cannot be mixed with 'depend(%select{sink:vec|source}0)' clause%select{s|}0">; def err_omp_linear_ordered : Error< "'linear' clause cannot be specified along with 'ordered' clause with a parameter">; def err_omp_unexpected_schedule_modifier : Error< "modifier '%0' cannot be used along with modifier '%1'">; def err_omp_schedule_nonmonotonic_static : Error< "'nonmonotonic' modifier can only be specified with 'dynamic' or 'guided' schedule kind">; def err_omp_schedule_nonmonotonic_ordered : Error< "'schedule' clause with 'nonmonotonic' modifier cannot be specified if an 'ordered' clause is specified">; def err_omp_ordered_simd : Error< "'ordered' clause with a parameter can not be specified in '#pragma omp %0' directive">; def err_omp_variable_in_given_clause_and_dsa : Error< "%0 variable cannot be in a %1 clause in '#pragma omp %2' directive">; def err_omp_param_or_this_in_clause : Error< "expected reference to one of the parameters of function %0%select{| or 'this'}1">; def err_omp_expected_uniform_param : Error< "expected a reference to a parameter specified in a 'uniform' clause">; def err_omp_expected_int_param : Error< "expected a reference to an integer-typed parameter">; def err_omp_at_least_one_motion_clause_required : Error< "expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'">; def err_omp_usedeviceptr_not_a_pointer : Error< "expected pointer or reference to pointer in 'use_device_ptr' clause">; def err_omp_argument_type_isdeviceptr : Error < "expected pointer, array, reference to pointer, or reference to array in 'is_device_ptr clause'">; def warn_omp_nesting_simd : Warning< "OpenMP only allows an ordered construct with the simd clause nested in a simd construct">, InGroup; def err_omp_orphaned_device_directive : Error< "orphaned 'omp %0' directives are prohibited" "; perhaps you forget to enclose the directive into a %select{|||target |teams }1region?">; def err_omp_reduction_non_addressable_expression : Error< "expected addressable reduction item for the task-based directives">; def err_omp_reduction_with_nogroup : Error< "'reduction' clause cannot be used with 'nogroup' clause">; def err_omp_reduction_vla_unsupported : Error< "cannot generate code for reduction on %select{|array section, which requires a }0variable length array">; def err_omp_linear_distribute_var_non_loop_iteration : Error< "only loop iteration variables are allowed in 'linear' clause in distribute directives">; def warn_omp_non_trivial_type_mapped : Warning< "Non-trivial type %0 is mapped, only trivial types are guaranteed to be mapped correctly">, InGroup; def err_omp_requires_clause_redeclaration : Error < "Only one %0 clause can appear on a requires directive in a single translation unit">; def note_omp_requires_previous_clause : Note < "%0 clause previously used here">; def err_omp_target_before_requires : Error < "target region encountered before requires directive with '%0' clause">; def note_omp_requires_encountered_target : Note < "target previously encountered here">; def err_omp_invalid_scope : Error < "'#pragma omp %0' directive must appear only in file scope">; def note_omp_invalid_length_on_this_ptr_mapping : Note < "expected length on mapping of 'this' array section expression to be '1'">; def note_omp_invalid_lower_bound_on_this_ptr_mapping : Note < "expected lower bound on mapping of 'this' array section expression to be '0' or not specified">; def note_omp_invalid_subscript_on_this_ptr_map : Note < "expected 'this' subscript expression on map clause to be 'this[0]'">; def err_omp_invalid_map_this_expr : Error < "invalid 'this' expression on 'map' clause">; def err_implied_omp_allocator_handle_t_not_found : Error< "omp_allocator_handle_t type not found; include ">; def err_omp_expected_predefined_allocator : Error< "expected one of the predefined allocators for the variables with the static " "storage: 'omp_default_mem_alloc', 'omp_large_cap_mem_alloc', " "'omp_const_mem_alloc', 'omp_high_bw_mem_alloc', 'omp_low_lat_mem_alloc', " "'omp_cgroup_mem_alloc', 'omp_pteam_mem_alloc' or 'omp_thread_mem_alloc'">; def warn_omp_used_different_allocator : Warning< "allocate directive specifies %select{default|'%1'}0 allocator while " "previously used %select{default|'%3'}2">, InGroup; def note_omp_previous_allocator : Note< "previous allocator is specified here">; def err_expected_allocator_clause : Error<"expected an 'allocator' clause " "inside of the target region; provide an 'allocator' clause or use 'requires'" " directive with the 'dynamic_allocators' clause">; def err_expected_allocator_expression : Error<"expected an allocator expression " "inside of the target region; provide an allocator expression or use 'requires'" " directive with the 'dynamic_allocators' clause">; def warn_omp_allocate_thread_on_task_target_directive : Warning< "allocator with the 'thread' trait access has unspecified behavior on '%0' directive">, InGroup; def err_omp_expected_private_copy_for_allocate : Error< "the referenced item is not found in any private clause on the same directive">; def err_omp_stmt_depends_on_loop_counter : Error< "the loop %select{initializer|condition}0 expression depends on the current loop control variable">; def err_omp_invariant_or_linear_dependency : Error< "expected loop invariant expression or ' * %0 + ' kind of expression">; def err_omp_wrong_dependency_iterator_type : Error< "expected an integer or a pointer type of the outer loop counter '%0' for non-rectangular nests">; def err_omp_unsupported_type : Error < "host requires %0 bit size %1 type support, but device '%2' does not support it">; +def omp_lambda_capture_in_declare_target_not_to : Error< + "variable captured in declare target region must appear in a to clause">; } // end of OpenMP category let CategoryName = "Related Result Type Issue" in { // Objective-C related result type compatibility def warn_related_result_type_compatibility_class : Warning< "method is expected to return an instance of its class type " "%diff{$, but is declared to return $|" ", but is declared to return different type}0,1">; def warn_related_result_type_compatibility_protocol : Warning< "protocol method is expected to return an instance of the implementing " "class, but is declared to return %0">; def note_related_result_type_family : Note< "%select{overridden|current}0 method is part of the '%select{|alloc|copy|init|" "mutableCopy|new|autorelease|dealloc|finalize|release|retain|retainCount|" "self}1' method family%select{| and is expected to return an instance of its " "class type}0">; def note_related_result_type_overridden : Note< "overridden method returns an instance of its class type">; def note_related_result_type_inferred : Note< "%select{class|instance}0 method %1 is assumed to return an instance of " "its receiver type (%2)">; def note_related_result_type_explicit : Note< "%select{overridden|current}0 method is explicitly declared 'instancetype'" "%select{| and is expected to return an instance of its class type}0">; def err_invalid_type_for_program_scope_var : Error< "the %0 type cannot be used to declare a program scope variable">; } let CategoryName = "Modules Issue" in { def err_module_decl_in_module_map_module : Error< "'module' declaration found while building module from module map">; def err_module_decl_in_header_module : Error< "'module' declaration found while building header unit">; def err_module_interface_implementation_mismatch : Error< "missing 'export' specifier in module declaration while " "building module interface">; def err_current_module_name_mismatch : Error< "module name '%0' specified on command line does not match name of module">; def err_module_redefinition : Error< "redefinition of module '%0'">; def note_prev_module_definition : Note<"previously defined here">; def note_prev_module_definition_from_ast_file : Note<"module loaded from '%0'">; def err_module_not_defined : Error< "definition of module '%0' is not available; use -fmodule-file= to specify " "path to precompiled module interface">; def err_module_redeclaration : Error< "translation unit contains multiple module declarations">; def note_prev_module_declaration : Note<"previous module declaration is here">; def err_module_declaration_missing : Error< "missing 'export module' declaration in module interface unit">; def err_module_declaration_missing_after_global_module_introducer : Error< "missing 'module' declaration at end of global module fragment " "introduced here">; def err_module_private_specialization : Error< "%select{template|partial|member}0 specialization cannot be " "declared __module_private__">; def err_module_private_local : Error< "%select{local variable|parameter|typedef}0 %1 cannot be declared " "__module_private__">; def err_module_private_local_class : Error< "local %select{struct|interface|union|class|enum}0 cannot be declared " "__module_private__">; def err_module_unimported_use : Error< "%select{declaration|definition|default argument|" "explicit specialization|partial specialization}0 of %1 must be imported " "from module '%2' before it is required">; def err_module_unimported_use_header : Error< "missing '#include %3'; " "%select{declaration|definition|default argument|" "explicit specialization|partial specialization}0 of %1 must be imported " "from module '%2' before it is required">; def err_module_unimported_use_global_module_fragment : Error< "%select{missing '#include'|missing '#include %3'}2; " "%select{||default argument of |explicit specialization of |" "partial specialization of }0%1 must be " "%select{declared|defined|defined|declared|declared}0 " "before it is used">; def err_module_unimported_use_multiple : Error< "%select{declaration|definition|default argument|" "explicit specialization|partial specialization}0 of %1 must be imported " "from one of the following modules before it is required:%2">; def ext_module_import_in_extern_c : ExtWarn< "import of C++ module '%0' appears within extern \"C\" language linkage " "specification">, DefaultError, InGroup>; def err_module_import_not_at_top_level_fatal : Error< "import of module '%0' appears within %1">, DefaultFatal; def ext_module_import_not_at_top_level_noop : ExtWarn< "redundant #include of module '%0' appears within %1">, DefaultError, InGroup>; def note_module_import_not_at_top_level : Note<"%0 begins here">; def err_module_self_import : Error< "import of module '%0' appears within same top-level module '%1'">; def err_module_import_in_implementation : Error< "@import of module '%0' in implementation of '%1'; use #import">; // C++ Modules def err_module_decl_not_at_start : Error< "module declaration must occur at the start of the translation unit">; def note_global_module_introducer_missing : Note< "add 'module;' to the start of the file to introduce a " "global module fragment">; def err_export_within_anonymous_namespace : Error< "export declaration appears within anonymous namespace">; def note_anonymous_namespace : Note<"anonymous namespace begins here">; def ext_export_no_name_block : ExtWarn< "ISO C++20 does not permit %select{an empty|a static_assert}0 declaration " "to appear in an export block">, InGroup; def ext_export_no_names : ExtWarn< "ISO C++20 does not permit a declaration that does not introduce any names " "to be exported">, InGroup; def note_export : Note<"export block begins here">; def err_export_no_name : Error< "%select{empty|static_assert|asm}0 declaration cannot be exported">; def ext_export_using_directive : ExtWarn< "ISO C++20 does not permit using directive to be exported">, InGroup>; def err_export_within_export : Error< "export declaration appears within another export declaration">; def err_export_internal : Error< "declaration of %0 with internal linkage cannot be exported">; def err_export_using_internal : Error< "using declaration referring to %0 with internal linkage cannot be exported">; def err_export_not_in_module_interface : Error< "export declaration can only be used within a module interface unit" "%select{ after the module declaration|}0">; def err_export_in_private_module_fragment : Error< "export declaration cannot be used in a private module fragment">; def note_private_module_fragment : Note< "private module fragment begins here">; def err_private_module_fragment_not_module : Error< "private module fragment declaration with no preceding module declaration">; def err_private_module_fragment_redefined : Error< "private module fragment redefined">; def err_private_module_fragment_not_module_interface : Error< "private module fragment in module implementation unit">; def note_not_module_interface_add_export : Note< "add 'export' here if this is intended to be a module interface unit">; def ext_equivalent_internal_linkage_decl_in_modules : ExtWarn< "ambiguous use of internal linkage declaration %0 defined in multiple modules">, InGroup>; def note_equivalent_internal_linkage_decl : Note< "declared here%select{ in module '%1'|}0">; def note_redefinition_modules_same_file : Note< "'%0' included multiple times, additional include site in header from module '%1'">; def note_redefinition_include_same_file : Note< "'%0' included multiple times, additional include site here">; } let CategoryName = "Coroutines Issue" in { def err_return_in_coroutine : Error< "return statement not allowed in coroutine; did you mean 'co_return'?">; def note_declared_coroutine_here : Note< "function is a coroutine due to use of '%0' here">; def err_coroutine_objc_method : Error< "Objective-C methods as coroutines are not yet supported">; def err_coroutine_unevaluated_context : Error< "'%0' cannot be used in an unevaluated context">; def err_coroutine_within_handler : Error< "'%0' cannot be used in the handler of a try block">; def err_coroutine_outside_function : Error< "'%0' cannot be used outside a function">; def err_coroutine_invalid_func_context : Error< "'%1' cannot be used in %select{a constructor|a destructor" "|the 'main' function|a constexpr function" "|a function with a deduced return type|a varargs function" "|a consteval function}0">; def err_implied_coroutine_type_not_found : Error< "%0 type was not found; include before defining " "a coroutine">; def err_implicit_coroutine_std_nothrow_type_not_found : Error< "std::nothrow was not found; include before defining a coroutine which " "uses get_return_object_on_allocation_failure()">; def err_malformed_std_nothrow : Error< "std::nothrow must be a valid variable declaration">; def err_malformed_std_coroutine_handle : Error< "std::experimental::coroutine_handle must be a class template">; def err_coroutine_handle_missing_member : Error< "std::experimental::coroutine_handle missing a member named '%0'">; def err_malformed_std_coroutine_traits : Error< "'std::experimental::coroutine_traits' must be a class template">; def err_implied_std_coroutine_traits_promise_type_not_found : Error< "this function cannot be a coroutine: %q0 has no member named 'promise_type'">; def err_implied_std_coroutine_traits_promise_type_not_class : Error< "this function cannot be a coroutine: %0 is not a class">; def err_coroutine_promise_type_incomplete : Error< "this function cannot be a coroutine: %0 is an incomplete type">; def err_coroutine_type_missing_specialization : Error< "this function cannot be a coroutine: missing definition of " "specialization %0">; def err_coroutine_promise_incompatible_return_functions : Error< "the coroutine promise type %0 declares both 'return_value' and 'return_void'">; def err_coroutine_promise_requires_return_function : Error< "the coroutine promise type %0 must declare either 'return_value' or 'return_void'">; def note_coroutine_promise_implicit_await_transform_required_here : Note< "call to 'await_transform' implicitly required by 'co_await' here">; def note_coroutine_promise_suspend_implicitly_required : Note< "call to '%select{initial_suspend|final_suspend}0' implicitly " "required by the %select{initial suspend point|final suspend point}0">; def err_coroutine_promise_unhandled_exception_required : Error< "%0 is required to declare the member 'unhandled_exception()'">; def warn_coroutine_promise_unhandled_exception_required_with_exceptions : Warning< "%0 is required to declare the member 'unhandled_exception()' when exceptions are enabled">, InGroup; def err_coroutine_promise_get_return_object_on_allocation_failure : Error< "%0: 'get_return_object_on_allocation_failure()' must be a static member function">; def err_seh_in_a_coroutine_with_cxx_exceptions : Error< "cannot use SEH '__try' in a coroutine when C++ exceptions are enabled">; def err_coroutine_promise_new_requires_nothrow : Error< "%0 is required to have a non-throwing noexcept specification when the promise " "type declares 'get_return_object_on_allocation_failure()'">; def note_coroutine_promise_call_implicitly_required : Note< "call to %0 implicitly required by coroutine function here">; def err_await_suspend_invalid_return_type : Error< "return type of 'await_suspend' is required to be 'void' or 'bool' (have %0)" >; def note_await_ready_no_bool_conversion : Note< "return type of 'await_ready' is required to be contextually convertible to 'bool'" >; } let CategoryName = "Documentation Issue" in { def warn_not_a_doxygen_trailing_member_comment : Warning< "not a Doxygen trailing comment">, InGroup, DefaultIgnore; } // end of documentation issue category let CategoryName = "Nullability Issue" in { def warn_mismatched_nullability_attr : Warning< "nullability specifier %0 conflicts with existing specifier %1">, InGroup; def warn_nullability_declspec : Warning< "nullability specifier %0 cannot be applied " "to non-pointer type %1; did you mean to apply the specifier to the " "%select{pointer|block pointer|member pointer|function pointer|" "member function pointer}2?">, InGroup, DefaultError; def note_nullability_here : Note<"%0 specified here">; def err_nullability_nonpointer : Error< "nullability specifier %0 cannot be applied to non-pointer type %1">; def warn_nullability_lost : Warning< "implicit conversion from nullable pointer %0 to non-nullable pointer " "type %1">, InGroup, DefaultIgnore; def warn_zero_as_null_pointer_constant : Warning< "zero as null pointer constant">, InGroup>, DefaultIgnore; def err_nullability_cs_multilevel : Error< "nullability keyword %0 cannot be applied to multi-level pointer type %1">; def note_nullability_type_specifier : Note< "use nullability type specifier %0 to affect the innermost " "pointer type of %1">; def warn_null_resettable_setter : Warning< "synthesized setter %0 for null_resettable property %1 does not handle nil">, InGroup; def warn_nullability_missing : Warning< "%select{pointer|block pointer|member pointer}0 is missing a nullability " "type specifier (_Nonnull, _Nullable, or _Null_unspecified)">, InGroup; def warn_nullability_missing_array : Warning< "array parameter is missing a nullability type specifier (_Nonnull, " "_Nullable, or _Null_unspecified)">, InGroup; def note_nullability_fix_it : Note< "insert '%select{_Nonnull|_Nullable|_Null_unspecified}0' if the " "%select{pointer|block pointer|member pointer|array parameter}1 " "%select{should never be null|may be null|should not declare nullability}0">; def warn_nullability_inferred_on_nested_type : Warning< "inferring '_Nonnull' for pointer type within %select{array|reference}0 is " "deprecated">, InGroup; def err_objc_type_arg_explicit_nullability : Error< "type argument %0 cannot explicitly specify nullability">; def err_objc_type_param_bound_explicit_nullability : Error< "type parameter %0 bound %1 cannot explicitly specify nullability">; } let CategoryName = "Generics Issue" in { def err_objc_type_param_bound_nonobject : Error< "type bound %0 for type parameter %1 is not an Objective-C pointer type">; def err_objc_type_param_bound_missing_pointer : Error< "missing '*' in type bound %0 for type parameter %1">; def err_objc_type_param_bound_qualified : Error< "type bound %1 for type parameter %0 cannot be qualified with '%2'">; def err_objc_type_param_redecl : Error< "redeclaration of type parameter %0">; def err_objc_type_param_arity_mismatch : Error< "%select{forward class declaration|class definition|category|extension}0 has " "too %select{few|many}1 type parameters (expected %2, have %3)">; def err_objc_type_param_bound_conflict : Error< "type bound %0 for type parameter %1 conflicts with " "%select{implicit|previous}2 bound %3%select{for type parameter %5|}4">; def err_objc_type_param_variance_conflict : Error< "%select{in|co|contra}0variant type parameter %1 conflicts with previous " "%select{in|co|contra}2variant type parameter %3">; def note_objc_type_param_here : Note<"type parameter %0 declared here">; def err_objc_type_param_bound_missing : Error< "missing type bound %0 for type parameter %1 in %select{@interface|@class}2">; def err_objc_parameterized_category_nonclass : Error< "%select{extension|category}0 of non-parameterized class %1 cannot have type " "parameters">; def err_objc_parameterized_forward_class : Error< "forward declaration of non-parameterized class %0 cannot have type " "parameters">; def err_objc_parameterized_forward_class_first : Error< "class %0 previously declared with type parameters">; def err_objc_type_arg_missing_star : Error< "type argument %0 must be a pointer (requires a '*')">; def err_objc_type_arg_qualified : Error< "type argument %0 cannot be qualified with '%1'">; def err_objc_type_arg_missing : Error< "no type or protocol named %0">; def err_objc_type_args_and_protocols : Error< "angle brackets contain both a %select{type|protocol}0 (%1) and a " "%select{protocol|type}0 (%2)">; def err_objc_type_args_non_class : Error< "type arguments cannot be applied to non-class type %0">; def err_objc_type_args_non_parameterized_class : Error< "type arguments cannot be applied to non-parameterized class %0">; def err_objc_type_args_specialized_class : Error< "type arguments cannot be applied to already-specialized class type %0">; def err_objc_type_args_wrong_arity : Error< "too %select{many|few}0 type arguments for class %1 (have %2, expected %3)">; } def err_objc_type_arg_not_id_compatible : Error< "type argument %0 is neither an Objective-C object nor a block type">; def err_objc_type_arg_does_not_match_bound : Error< "type argument %0 does not satisfy the bound (%1) of type parameter %2">; def warn_objc_redundant_qualified_class_type : Warning< "parameterized class %0 already conforms to the protocols listed; did you " "forget a '*'?">, InGroup; def warn_block_literal_attributes_on_omitted_return_type : Warning< "attribute %0 ignored, because it cannot be applied to omitted return type">, InGroup; def warn_block_literal_qualifiers_on_omitted_return_type : Warning< "'%0' qualifier on omitted return type %1 has no effect">, InGroup; def warn_shadow_field : Warning< "%select{parameter|non-static data member}3 %0 %select{|of %1 }3shadows " "member inherited from type %2">, InGroup, DefaultIgnore; def note_shadow_field : Note<"declared here">; def err_multiversion_required_in_redecl : Error< "function declaration is missing %select{'target'|'cpu_specific' or " "'cpu_dispatch'}0 attribute in a multiversioned function">; def note_multiversioning_caused_here : Note< "function multiversioning caused by this declaration">; def err_multiversion_after_used : Error< "function declaration cannot become a multiversioned function after first " "usage">; def err_bad_multiversion_option : Error< "function multiversioning doesn't support %select{feature|architecture}0 " "'%1'">; def err_multiversion_duplicate : Error< "multiversioned function redeclarations require identical target attributes">; def err_multiversion_noproto : Error< "multiversioned function must have a prototype">; def err_multiversion_no_other_attrs : Error< "attribute '%select{target|cpu_specific|cpu_dispatch}0' multiversioning cannot be combined" " with other attributes">; def err_multiversion_diff : Error< "multiversioned function declaration has a different %select{calling convention" "|return type|constexpr specification|inline specification|storage class|" "linkage}0">; def err_multiversion_doesnt_support : Error< "attribute '%select{target|cpu_specific|cpu_dispatch}0' multiversioned functions do not " "yet support %select{function templates|virtual functions|" "deduced return types|constructors|destructors|deleted functions|" "defaulted functions|constexpr functions|consteval function}1">; def err_multiversion_not_allowed_on_main : Error< "'main' cannot be a multiversioned function">; def err_multiversion_not_supported : Error< "function multiversioning is not supported on the current target">; def err_multiversion_types_mixed : Error< "multiversioning attributes cannot be combined">; def err_cpu_dispatch_mismatch : Error< "'cpu_dispatch' function redeclared with different CPUs">; def err_cpu_specific_multiple_defs : Error< "multiple 'cpu_specific' functions cannot specify the same CPU: %0">; def warn_multiversion_duplicate_entries : Warning< "CPU list contains duplicate entries; attribute ignored">, InGroup; def warn_dispatch_body_ignored : Warning< "body of cpu_dispatch function will be ignored">, InGroup; // three-way comparison operator diagnostics def err_implied_comparison_category_type_not_found : Error< "cannot deduce return type of 'operator<=>' because type '%0' was not found; " "include ">; def err_spaceship_argument_narrowing : Error< "argument to 'operator<=>' " "%select{cannot be narrowed from type %1 to %2|" "evaluates to %1, which cannot be narrowed to type %2}0">; def err_std_compare_type_not_supported : Error< "standard library implementation of %0 is not supported; " "%select{member '%2' does not have expected form|" "member '%2' is missing|" "the type is not trivially copyable|" "the type does not have the expected form}1">; // Memory Tagging Extensions (MTE) diagnostics def err_memtag_arg_null_or_pointer : Error< "%0 argument of MTE builtin function must be a null or a pointer (%1 invalid)">; def err_memtag_any2arg_pointer : Error< "at least one argument of MTE builtin function must be a pointer (%0, %1 invalid)">; def err_memtag_arg_must_be_pointer : Error< "%0 argument of MTE builtin function must be a pointer (%1 invalid)">; def err_memtag_arg_must_be_integer : Error< "%0 argument of MTE builtin function must be an integer type (%1 invalid)">; def err_memtag_arg_must_be_unsigned : Error< "%0 argument of MTE builtin function must be an unsigned integer type (%1 invalid)">; def warn_dereference_of_noderef_type : Warning< "dereferencing %0; was declared with a 'noderef' type">, InGroup; def warn_dereference_of_noderef_type_no_decl : Warning< "dereferencing expression marked as 'noderef'">, InGroup; def warn_noderef_on_non_pointer_or_array : Warning< "'noderef' can only be used on an array or pointer type">, InGroup; def warn_noderef_to_dereferenceable_pointer : Warning< "casting to dereferenceable pointer removes 'noderef' attribute">, InGroup; def err_builtin_launder_invalid_arg : Error< "%select{non-pointer|function pointer|void pointer}0 argument to " "'__builtin_launder' is not allowed">; def err_bit_cast_non_trivially_copyable : Error< "__builtin_bit_cast %select{source|destination}0 type must be trivially copyable">; def err_bit_cast_type_size_mismatch : Error< "__builtin_bit_cast source size does not equal destination size (%0 vs %1)">; } // end of sema component. diff --git a/clang/lib/Sema/SemaOpenMP.cpp b/clang/lib/Sema/SemaOpenMP.cpp index 79d9561c0726..bba116e48169 100644 --- a/clang/lib/Sema/SemaOpenMP.cpp +++ b/clang/lib/Sema/SemaOpenMP.cpp @@ -1,15681 +1,15703 @@ //===--- SemaOpenMP.cpp - Semantic Analysis for OpenMP constructs ---------===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// /// \file /// This file implements semantic analysis for OpenMP directives and /// clauses. /// //===----------------------------------------------------------------------===// #include "TreeTransform.h" #include "clang/AST/ASTContext.h" #include "clang/AST/ASTMutationListener.h" #include "clang/AST/CXXInheritance.h" #include "clang/AST/Decl.h" #include "clang/AST/DeclCXX.h" #include "clang/AST/DeclOpenMP.h" #include "clang/AST/StmtCXX.h" #include "clang/AST/StmtOpenMP.h" #include "clang/AST/StmtVisitor.h" #include "clang/AST/TypeOrdering.h" #include "clang/Basic/OpenMPKinds.h" #include "clang/Sema/Initialization.h" #include "clang/Sema/Lookup.h" #include "clang/Sema/Scope.h" #include "clang/Sema/ScopeInfo.h" #include "clang/Sema/SemaInternal.h" #include "llvm/ADT/PointerEmbeddedInt.h" using namespace clang; //===----------------------------------------------------------------------===// // Stack of data-sharing attributes for variables //===----------------------------------------------------------------------===// static const Expr *checkMapClauseExpressionBase( Sema &SemaRef, Expr *E, OMPClauseMappableExprCommon::MappableExprComponentList &CurComponents, OpenMPClauseKind CKind, bool NoDiagnose); namespace { /// Default data sharing attributes, which can be applied to directive. enum DefaultDataSharingAttributes { DSA_unspecified = 0, /// Data sharing attribute not specified. DSA_none = 1 << 0, /// Default data sharing attribute 'none'. DSA_shared = 1 << 1, /// Default data sharing attribute 'shared'. }; /// Attributes of the defaultmap clause. enum DefaultMapAttributes { DMA_unspecified, /// Default mapping is not specified. DMA_tofrom_scalar, /// Default mapping is 'tofrom:scalar'. }; /// Stack for tracking declarations used in OpenMP directives and /// clauses and their data-sharing attributes. class DSAStackTy { public: struct DSAVarData { OpenMPDirectiveKind DKind = OMPD_unknown; OpenMPClauseKind CKind = OMPC_unknown; const Expr *RefExpr = nullptr; DeclRefExpr *PrivateCopy = nullptr; SourceLocation ImplicitDSALoc; DSAVarData() = default; DSAVarData(OpenMPDirectiveKind DKind, OpenMPClauseKind CKind, const Expr *RefExpr, DeclRefExpr *PrivateCopy, SourceLocation ImplicitDSALoc) : DKind(DKind), CKind(CKind), RefExpr(RefExpr), PrivateCopy(PrivateCopy), ImplicitDSALoc(ImplicitDSALoc) {} }; using OperatorOffsetTy = llvm::SmallVector, 4>; using DoacrossDependMapTy = llvm::DenseMap; private: struct DSAInfo { OpenMPClauseKind Attributes = OMPC_unknown; /// Pointer to a reference expression and a flag which shows that the /// variable is marked as lastprivate(true) or not (false). llvm::PointerIntPair RefExpr; DeclRefExpr *PrivateCopy = nullptr; }; using DeclSAMapTy = llvm::SmallDenseMap; using AlignedMapTy = llvm::SmallDenseMap; using LCDeclInfo = std::pair; using LoopControlVariablesMapTy = llvm::SmallDenseMap; /// Struct that associates a component with the clause kind where they are /// found. struct MappedExprComponentTy { OMPClauseMappableExprCommon::MappableExprComponentLists Components; OpenMPClauseKind Kind = OMPC_unknown; }; using MappedExprComponentsTy = llvm::DenseMap; using CriticalsWithHintsTy = llvm::StringMap>; struct ReductionData { using BOKPtrType = llvm::PointerEmbeddedInt; SourceRange ReductionRange; llvm::PointerUnion ReductionOp; ReductionData() = default; void set(BinaryOperatorKind BO, SourceRange RR) { ReductionRange = RR; ReductionOp = BO; } void set(const Expr *RefExpr, SourceRange RR) { ReductionRange = RR; ReductionOp = RefExpr; } }; using DeclReductionMapTy = llvm::SmallDenseMap; struct SharingMapTy { DeclSAMapTy SharingMap; DeclReductionMapTy ReductionMap; AlignedMapTy AlignedMap; MappedExprComponentsTy MappedExprComponents; LoopControlVariablesMapTy LCVMap; DefaultDataSharingAttributes DefaultAttr = DSA_unspecified; SourceLocation DefaultAttrLoc; DefaultMapAttributes DefaultMapAttr = DMA_unspecified; SourceLocation DefaultMapAttrLoc; OpenMPDirectiveKind Directive = OMPD_unknown; DeclarationNameInfo DirectiveName; Scope *CurScope = nullptr; SourceLocation ConstructLoc; /// Set of 'depend' clauses with 'sink|source' dependence kind. Required to /// get the data (loop counters etc.) about enclosing loop-based construct. /// This data is required during codegen. DoacrossDependMapTy DoacrossDepends; /// First argument (Expr *) contains optional argument of the /// 'ordered' clause, the second one is true if the regions has 'ordered' /// clause, false otherwise. llvm::Optional> OrderedRegion; unsigned AssociatedLoops = 1; bool HasMutipleLoops = false; const Decl *PossiblyLoopCounter = nullptr; bool NowaitRegion = false; bool CancelRegion = false; bool LoopStart = false; bool BodyComplete = false; SourceLocation InnerTeamsRegionLoc; /// Reference to the taskgroup task_reduction reference expression. Expr *TaskgroupReductionRef = nullptr; llvm::DenseSet MappedClassesQualTypes; /// List of globals marked as declare target link in this target region /// (isOpenMPTargetExecutionDirective(Directive) == true). llvm::SmallVector DeclareTargetLinkVarDecls; SharingMapTy(OpenMPDirectiveKind DKind, DeclarationNameInfo Name, Scope *CurScope, SourceLocation Loc) : Directive(DKind), DirectiveName(Name), CurScope(CurScope), ConstructLoc(Loc) {} SharingMapTy() = default; }; using StackTy = SmallVector; /// Stack of used declaration and their data-sharing attributes. DeclSAMapTy Threadprivates; const FunctionScopeInfo *CurrentNonCapturingFunctionScope = nullptr; SmallVector, 4> Stack; /// true, if check for DSA must be from parent directive, false, if /// from current directive. OpenMPClauseKind ClauseKindMode = OMPC_unknown; Sema &SemaRef; bool ForceCapturing = false; /// true if all the vaiables in the target executable directives must be /// captured by reference. bool ForceCaptureByReferenceInTargetExecutable = false; CriticalsWithHintsTy Criticals; unsigned IgnoredStackElements = 0; /// Iterators over the stack iterate in order from innermost to outermost /// directive. using const_iterator = StackTy::const_reverse_iterator; const_iterator begin() const { return Stack.empty() ? const_iterator() : Stack.back().first.rbegin() + IgnoredStackElements; } const_iterator end() const { return Stack.empty() ? const_iterator() : Stack.back().first.rend(); } using iterator = StackTy::reverse_iterator; iterator begin() { return Stack.empty() ? iterator() : Stack.back().first.rbegin() + IgnoredStackElements; } iterator end() { return Stack.empty() ? iterator() : Stack.back().first.rend(); } // Convenience operations to get at the elements of the stack. bool isStackEmpty() const { return Stack.empty() || Stack.back().second != CurrentNonCapturingFunctionScope || Stack.back().first.size() <= IgnoredStackElements; } size_t getStackSize() const { return isStackEmpty() ? 0 : Stack.back().first.size() - IgnoredStackElements; } SharingMapTy *getTopOfStackOrNull() { size_t Size = getStackSize(); if (Size == 0) return nullptr; return &Stack.back().first[Size - 1]; } const SharingMapTy *getTopOfStackOrNull() const { return const_cast(*this).getTopOfStackOrNull(); } SharingMapTy &getTopOfStack() { assert(!isStackEmpty() && "no current directive"); return *getTopOfStackOrNull(); } const SharingMapTy &getTopOfStack() const { return const_cast(*this).getTopOfStack(); } SharingMapTy *getSecondOnStackOrNull() { size_t Size = getStackSize(); if (Size <= 1) return nullptr; return &Stack.back().first[Size - 2]; } const SharingMapTy *getSecondOnStackOrNull() const { return const_cast(*this).getSecondOnStackOrNull(); } /// Get the stack element at a certain level (previously returned by /// \c getNestingLevel). /// /// Note that nesting levels count from outermost to innermost, and this is /// the reverse of our iteration order where new inner levels are pushed at /// the front of the stack. SharingMapTy &getStackElemAtLevel(unsigned Level) { assert(Level < getStackSize() && "no such stack element"); return Stack.back().first[Level]; } const SharingMapTy &getStackElemAtLevel(unsigned Level) const { return const_cast(*this).getStackElemAtLevel(Level); } DSAVarData getDSA(const_iterator &Iter, ValueDecl *D) const; /// Checks if the variable is a local for OpenMP region. bool isOpenMPLocal(VarDecl *D, const_iterator Iter) const; /// Vector of previously declared requires directives SmallVector RequiresDecls; /// omp_allocator_handle_t type. QualType OMPAllocatorHandleT; /// Expression for the predefined allocators. Expr *OMPPredefinedAllocators[OMPAllocateDeclAttr::OMPUserDefinedMemAlloc] = { nullptr}; /// Vector of previously encountered target directives SmallVector TargetLocations; public: explicit DSAStackTy(Sema &S) : SemaRef(S) {} /// Sets omp_allocator_handle_t type. void setOMPAllocatorHandleT(QualType Ty) { OMPAllocatorHandleT = Ty; } /// Gets omp_allocator_handle_t type. QualType getOMPAllocatorHandleT() const { return OMPAllocatorHandleT; } /// Sets the given default allocator. void setAllocator(OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind, Expr *Allocator) { OMPPredefinedAllocators[AllocatorKind] = Allocator; } /// Returns the specified default allocator. Expr *getAllocator(OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind) const { return OMPPredefinedAllocators[AllocatorKind]; } bool isClauseParsingMode() const { return ClauseKindMode != OMPC_unknown; } OpenMPClauseKind getClauseParsingMode() const { assert(isClauseParsingMode() && "Must be in clause parsing mode."); return ClauseKindMode; } void setClauseParsingMode(OpenMPClauseKind K) { ClauseKindMode = K; } bool isBodyComplete() const { const SharingMapTy *Top = getTopOfStackOrNull(); return Top && Top->BodyComplete; } void setBodyComplete() { getTopOfStack().BodyComplete = true; } bool isForceVarCapturing() const { return ForceCapturing; } void setForceVarCapturing(bool V) { ForceCapturing = V; } void setForceCaptureByReferenceInTargetExecutable(bool V) { ForceCaptureByReferenceInTargetExecutable = V; } bool isForceCaptureByReferenceInTargetExecutable() const { return ForceCaptureByReferenceInTargetExecutable; } void push(OpenMPDirectiveKind DKind, const DeclarationNameInfo &DirName, Scope *CurScope, SourceLocation Loc) { assert(!IgnoredStackElements && "cannot change stack while ignoring elements"); if (Stack.empty() || Stack.back().second != CurrentNonCapturingFunctionScope) Stack.emplace_back(StackTy(), CurrentNonCapturingFunctionScope); Stack.back().first.emplace_back(DKind, DirName, CurScope, Loc); Stack.back().first.back().DefaultAttrLoc = Loc; } void pop() { assert(!IgnoredStackElements && "cannot change stack while ignoring elements"); assert(!Stack.back().first.empty() && "Data-sharing attributes stack is empty!"); Stack.back().first.pop_back(); } /// RAII object to temporarily leave the scope of a directive when we want to /// logically operate in its parent. class ParentDirectiveScope { DSAStackTy &Self; bool Active; public: ParentDirectiveScope(DSAStackTy &Self, bool Activate) : Self(Self), Active(false) { if (Activate) enable(); } ~ParentDirectiveScope() { disable(); } void disable() { if (Active) { --Self.IgnoredStackElements; Active = false; } } void enable() { if (!Active) { ++Self.IgnoredStackElements; Active = true; } } }; /// Marks that we're started loop parsing. void loopInit() { assert(isOpenMPLoopDirective(getCurrentDirective()) && "Expected loop-based directive."); getTopOfStack().LoopStart = true; } /// Start capturing of the variables in the loop context. void loopStart() { assert(isOpenMPLoopDirective(getCurrentDirective()) && "Expected loop-based directive."); getTopOfStack().LoopStart = false; } /// true, if variables are captured, false otherwise. bool isLoopStarted() const { assert(isOpenMPLoopDirective(getCurrentDirective()) && "Expected loop-based directive."); return !getTopOfStack().LoopStart; } /// Marks (or clears) declaration as possibly loop counter. void resetPossibleLoopCounter(const Decl *D = nullptr) { getTopOfStack().PossiblyLoopCounter = D ? D->getCanonicalDecl() : D; } /// Gets the possible loop counter decl. const Decl *getPossiblyLoopCunter() const { return getTopOfStack().PossiblyLoopCounter; } /// Start new OpenMP region stack in new non-capturing function. void pushFunction() { assert(!IgnoredStackElements && "cannot change stack while ignoring elements"); const FunctionScopeInfo *CurFnScope = SemaRef.getCurFunction(); assert(!isa(CurFnScope)); CurrentNonCapturingFunctionScope = CurFnScope; } /// Pop region stack for non-capturing function. void popFunction(const FunctionScopeInfo *OldFSI) { assert(!IgnoredStackElements && "cannot change stack while ignoring elements"); if (!Stack.empty() && Stack.back().second == OldFSI) { assert(Stack.back().first.empty()); Stack.pop_back(); } CurrentNonCapturingFunctionScope = nullptr; for (const FunctionScopeInfo *FSI : llvm::reverse(SemaRef.FunctionScopes)) { if (!isa(FSI)) { CurrentNonCapturingFunctionScope = FSI; break; } } } void addCriticalWithHint(const OMPCriticalDirective *D, llvm::APSInt Hint) { Criticals.try_emplace(D->getDirectiveName().getAsString(), D, Hint); } const std::pair getCriticalWithHint(const DeclarationNameInfo &Name) const { auto I = Criticals.find(Name.getAsString()); if (I != Criticals.end()) return I->second; return std::make_pair(nullptr, llvm::APSInt()); } /// If 'aligned' declaration for given variable \a D was not seen yet, /// add it and return NULL; otherwise return previous occurrence's expression /// for diagnostics. const Expr *addUniqueAligned(const ValueDecl *D, const Expr *NewDE); /// Register specified variable as loop control variable. void addLoopControlVariable(const ValueDecl *D, VarDecl *Capture); /// Check if the specified variable is a loop control variable for /// current region. /// \return The index of the loop control variable in the list of associated /// for-loops (from outer to inner). const LCDeclInfo isLoopControlVariable(const ValueDecl *D) const; /// Check if the specified variable is a loop control variable for /// parent region. /// \return The index of the loop control variable in the list of associated /// for-loops (from outer to inner). const LCDeclInfo isParentLoopControlVariable(const ValueDecl *D) const; /// Get the loop control variable for the I-th loop (or nullptr) in /// parent directive. const ValueDecl *getParentLoopControlVariable(unsigned I) const; /// Adds explicit data sharing attribute to the specified declaration. void addDSA(const ValueDecl *D, const Expr *E, OpenMPClauseKind A, DeclRefExpr *PrivateCopy = nullptr); /// Adds additional information for the reduction items with the reduction id /// represented as an operator. void addTaskgroupReductionData(const ValueDecl *D, SourceRange SR, BinaryOperatorKind BOK); /// Adds additional information for the reduction items with the reduction id /// represented as reduction identifier. void addTaskgroupReductionData(const ValueDecl *D, SourceRange SR, const Expr *ReductionRef); /// Returns the location and reduction operation from the innermost parent /// region for the given \p D. const DSAVarData getTopMostTaskgroupReductionData(const ValueDecl *D, SourceRange &SR, BinaryOperatorKind &BOK, Expr *&TaskgroupDescriptor) const; /// Returns the location and reduction operation from the innermost parent /// region for the given \p D. const DSAVarData getTopMostTaskgroupReductionData(const ValueDecl *D, SourceRange &SR, const Expr *&ReductionRef, Expr *&TaskgroupDescriptor) const; /// Return reduction reference expression for the current taskgroup. Expr *getTaskgroupReductionRef() const { assert(getTopOfStack().Directive == OMPD_taskgroup && "taskgroup reference expression requested for non taskgroup " "directive."); return getTopOfStack().TaskgroupReductionRef; } /// Checks if the given \p VD declaration is actually a taskgroup reduction /// descriptor variable at the \p Level of OpenMP regions. bool isTaskgroupReductionRef(const ValueDecl *VD, unsigned Level) const { return getStackElemAtLevel(Level).TaskgroupReductionRef && cast(getStackElemAtLevel(Level).TaskgroupReductionRef) ->getDecl() == VD; } /// Returns data sharing attributes from top of the stack for the /// specified declaration. const DSAVarData getTopDSA(ValueDecl *D, bool FromParent); /// Returns data-sharing attributes for the specified declaration. const DSAVarData getImplicitDSA(ValueDecl *D, bool FromParent) const; /// Checks if the specified variables has data-sharing attributes which /// match specified \a CPred predicate in any directive which matches \a DPred /// predicate. const DSAVarData hasDSA(ValueDecl *D, const llvm::function_ref CPred, const llvm::function_ref DPred, bool FromParent) const; /// Checks if the specified variables has data-sharing attributes which /// match specified \a CPred predicate in any innermost directive which /// matches \a DPred predicate. const DSAVarData hasInnermostDSA(ValueDecl *D, const llvm::function_ref CPred, const llvm::function_ref DPred, bool FromParent) const; /// Checks if the specified variables has explicit data-sharing /// attributes which match specified \a CPred predicate at the specified /// OpenMP region. bool hasExplicitDSA(const ValueDecl *D, const llvm::function_ref CPred, unsigned Level, bool NotLastprivate = false) const; /// Returns true if the directive at level \Level matches in the /// specified \a DPred predicate. bool hasExplicitDirective( const llvm::function_ref DPred, unsigned Level) const; /// Finds a directive which matches specified \a DPred predicate. bool hasDirective( const llvm::function_ref DPred, bool FromParent) const; /// Returns currently analyzed directive. OpenMPDirectiveKind getCurrentDirective() const { const SharingMapTy *Top = getTopOfStackOrNull(); return Top ? Top->Directive : OMPD_unknown; } /// Returns directive kind at specified level. OpenMPDirectiveKind getDirective(unsigned Level) const { assert(!isStackEmpty() && "No directive at specified level."); return getStackElemAtLevel(Level).Directive; } /// Returns parent directive. OpenMPDirectiveKind getParentDirective() const { const SharingMapTy *Parent = getSecondOnStackOrNull(); return Parent ? Parent->Directive : OMPD_unknown; } /// Add requires decl to internal vector void addRequiresDecl(OMPRequiresDecl *RD) { RequiresDecls.push_back(RD); } /// Checks if the defined 'requires' directive has specified type of clause. template bool hasRequiresDeclWithClause() { return llvm::any_of(RequiresDecls, [](const OMPRequiresDecl *D) { return llvm::any_of(D->clauselists(), [](const OMPClause *C) { return isa(C); }); }); } /// Checks for a duplicate clause amongst previously declared requires /// directives bool hasDuplicateRequiresClause(ArrayRef ClauseList) const { bool IsDuplicate = false; for (OMPClause *CNew : ClauseList) { for (const OMPRequiresDecl *D : RequiresDecls) { for (const OMPClause *CPrev : D->clauselists()) { if (CNew->getClauseKind() == CPrev->getClauseKind()) { SemaRef.Diag(CNew->getBeginLoc(), diag::err_omp_requires_clause_redeclaration) << getOpenMPClauseName(CNew->getClauseKind()); SemaRef.Diag(CPrev->getBeginLoc(), diag::note_omp_requires_previous_clause) << getOpenMPClauseName(CPrev->getClauseKind()); IsDuplicate = true; } } } } return IsDuplicate; } /// Add location of previously encountered target to internal vector void addTargetDirLocation(SourceLocation LocStart) { TargetLocations.push_back(LocStart); } // Return previously encountered target region locations. ArrayRef getEncounteredTargetLocs() const { return TargetLocations; } /// Set default data sharing attribute to none. void setDefaultDSANone(SourceLocation Loc) { getTopOfStack().DefaultAttr = DSA_none; getTopOfStack().DefaultAttrLoc = Loc; } /// Set default data sharing attribute to shared. void setDefaultDSAShared(SourceLocation Loc) { getTopOfStack().DefaultAttr = DSA_shared; getTopOfStack().DefaultAttrLoc = Loc; } /// Set default data mapping attribute to 'tofrom:scalar'. void setDefaultDMAToFromScalar(SourceLocation Loc) { getTopOfStack().DefaultMapAttr = DMA_tofrom_scalar; getTopOfStack().DefaultMapAttrLoc = Loc; } DefaultDataSharingAttributes getDefaultDSA() const { return isStackEmpty() ? DSA_unspecified : getTopOfStack().DefaultAttr; } SourceLocation getDefaultDSALocation() const { return isStackEmpty() ? SourceLocation() : getTopOfStack().DefaultAttrLoc; } DefaultMapAttributes getDefaultDMA() const { return isStackEmpty() ? DMA_unspecified : getTopOfStack().DefaultMapAttr; } DefaultMapAttributes getDefaultDMAAtLevel(unsigned Level) const { return getStackElemAtLevel(Level).DefaultMapAttr; } SourceLocation getDefaultDMALocation() const { return isStackEmpty() ? SourceLocation() : getTopOfStack().DefaultMapAttrLoc; } /// Checks if the specified variable is a threadprivate. bool isThreadPrivate(VarDecl *D) { const DSAVarData DVar = getTopDSA(D, false); return isOpenMPThreadPrivate(DVar.CKind); } /// Marks current region as ordered (it has an 'ordered' clause). void setOrderedRegion(bool IsOrdered, const Expr *Param, OMPOrderedClause *Clause) { if (IsOrdered) getTopOfStack().OrderedRegion.emplace(Param, Clause); else getTopOfStack().OrderedRegion.reset(); } /// Returns true, if region is ordered (has associated 'ordered' clause), /// false - otherwise. bool isOrderedRegion() const { if (const SharingMapTy *Top = getTopOfStackOrNull()) return Top->OrderedRegion.hasValue(); return false; } /// Returns optional parameter for the ordered region. std::pair getOrderedRegionParam() const { if (const SharingMapTy *Top = getTopOfStackOrNull()) if (Top->OrderedRegion.hasValue()) return Top->OrderedRegion.getValue(); return std::make_pair(nullptr, nullptr); } /// Returns true, if parent region is ordered (has associated /// 'ordered' clause), false - otherwise. bool isParentOrderedRegion() const { if (const SharingMapTy *Parent = getSecondOnStackOrNull()) return Parent->OrderedRegion.hasValue(); return false; } /// Returns optional parameter for the ordered region. std::pair getParentOrderedRegionParam() const { if (const SharingMapTy *Parent = getSecondOnStackOrNull()) if (Parent->OrderedRegion.hasValue()) return Parent->OrderedRegion.getValue(); return std::make_pair(nullptr, nullptr); } /// Marks current region as nowait (it has a 'nowait' clause). void setNowaitRegion(bool IsNowait = true) { getTopOfStack().NowaitRegion = IsNowait; } /// Returns true, if parent region is nowait (has associated /// 'nowait' clause), false - otherwise. bool isParentNowaitRegion() const { if (const SharingMapTy *Parent = getSecondOnStackOrNull()) return Parent->NowaitRegion; return false; } /// Marks parent region as cancel region. void setParentCancelRegion(bool Cancel = true) { if (SharingMapTy *Parent = getSecondOnStackOrNull()) Parent->CancelRegion |= Cancel; } /// Return true if current region has inner cancel construct. bool isCancelRegion() const { const SharingMapTy *Top = getTopOfStackOrNull(); return Top ? Top->CancelRegion : false; } /// Set collapse value for the region. void setAssociatedLoops(unsigned Val) { getTopOfStack().AssociatedLoops = Val; if (Val > 1) getTopOfStack().HasMutipleLoops = true; } /// Return collapse value for region. unsigned getAssociatedLoops() const { const SharingMapTy *Top = getTopOfStackOrNull(); return Top ? Top->AssociatedLoops : 0; } /// Returns true if the construct is associated with multiple loops. bool hasMutipleLoops() const { const SharingMapTy *Top = getTopOfStackOrNull(); return Top ? Top->HasMutipleLoops : false; } /// Marks current target region as one with closely nested teams /// region. void setParentTeamsRegionLoc(SourceLocation TeamsRegionLoc) { if (SharingMapTy *Parent = getSecondOnStackOrNull()) Parent->InnerTeamsRegionLoc = TeamsRegionLoc; } /// Returns true, if current region has closely nested teams region. bool hasInnerTeamsRegion() const { return getInnerTeamsRegionLoc().isValid(); } /// Returns location of the nested teams region (if any). SourceLocation getInnerTeamsRegionLoc() const { const SharingMapTy *Top = getTopOfStackOrNull(); return Top ? Top->InnerTeamsRegionLoc : SourceLocation(); } Scope *getCurScope() const { const SharingMapTy *Top = getTopOfStackOrNull(); return Top ? Top->CurScope : nullptr; } SourceLocation getConstructLoc() const { const SharingMapTy *Top = getTopOfStackOrNull(); return Top ? Top->ConstructLoc : SourceLocation(); } /// Do the check specified in \a Check to all component lists and return true /// if any issue is found. bool checkMappableExprComponentListsForDecl( const ValueDecl *VD, bool CurrentRegionOnly, const llvm::function_ref< bool(OMPClauseMappableExprCommon::MappableExprComponentListRef, OpenMPClauseKind)> Check) const { if (isStackEmpty()) return false; auto SI = begin(); auto SE = end(); if (SI == SE) return false; if (CurrentRegionOnly) SE = std::next(SI); else std::advance(SI, 1); for (; SI != SE; ++SI) { auto MI = SI->MappedExprComponents.find(VD); if (MI != SI->MappedExprComponents.end()) for (OMPClauseMappableExprCommon::MappableExprComponentListRef L : MI->second.Components) if (Check(L, MI->second.Kind)) return true; } return false; } /// Do the check specified in \a Check to all component lists at a given level /// and return true if any issue is found. bool checkMappableExprComponentListsForDeclAtLevel( const ValueDecl *VD, unsigned Level, const llvm::function_ref< bool(OMPClauseMappableExprCommon::MappableExprComponentListRef, OpenMPClauseKind)> Check) const { if (getStackSize() <= Level) return false; const SharingMapTy &StackElem = getStackElemAtLevel(Level); auto MI = StackElem.MappedExprComponents.find(VD); if (MI != StackElem.MappedExprComponents.end()) for (OMPClauseMappableExprCommon::MappableExprComponentListRef L : MI->second.Components) if (Check(L, MI->second.Kind)) return true; return false; } /// Create a new mappable expression component list associated with a given /// declaration and initialize it with the provided list of components. void addMappableExpressionComponents( const ValueDecl *VD, OMPClauseMappableExprCommon::MappableExprComponentListRef Components, OpenMPClauseKind WhereFoundClauseKind) { MappedExprComponentTy &MEC = getTopOfStack().MappedExprComponents[VD]; // Create new entry and append the new components there. MEC.Components.resize(MEC.Components.size() + 1); MEC.Components.back().append(Components.begin(), Components.end()); MEC.Kind = WhereFoundClauseKind; } unsigned getNestingLevel() const { assert(!isStackEmpty()); return getStackSize() - 1; } void addDoacrossDependClause(OMPDependClause *C, const OperatorOffsetTy &OpsOffs) { SharingMapTy *Parent = getSecondOnStackOrNull(); assert(Parent && isOpenMPWorksharingDirective(Parent->Directive)); Parent->DoacrossDepends.try_emplace(C, OpsOffs); } llvm::iterator_range getDoacrossDependClauses() const { const SharingMapTy &StackElem = getTopOfStack(); if (isOpenMPWorksharingDirective(StackElem.Directive)) { const DoacrossDependMapTy &Ref = StackElem.DoacrossDepends; return llvm::make_range(Ref.begin(), Ref.end()); } return llvm::make_range(StackElem.DoacrossDepends.end(), StackElem.DoacrossDepends.end()); } // Store types of classes which have been explicitly mapped void addMappedClassesQualTypes(QualType QT) { SharingMapTy &StackElem = getTopOfStack(); StackElem.MappedClassesQualTypes.insert(QT); } // Return set of mapped classes types bool isClassPreviouslyMapped(QualType QT) const { const SharingMapTy &StackElem = getTopOfStack(); return StackElem.MappedClassesQualTypes.count(QT) != 0; } /// Adds global declare target to the parent target region. void addToParentTargetRegionLinkGlobals(DeclRefExpr *E) { assert(*OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration( E->getDecl()) == OMPDeclareTargetDeclAttr::MT_Link && "Expected declare target link global."); for (auto &Elem : *this) { if (isOpenMPTargetExecutionDirective(Elem.Directive)) { Elem.DeclareTargetLinkVarDecls.push_back(E); return; } } } /// Returns the list of globals with declare target link if current directive /// is target. ArrayRef getLinkGlobals() const { assert(isOpenMPTargetExecutionDirective(getCurrentDirective()) && "Expected target executable directive."); return getTopOfStack().DeclareTargetLinkVarDecls; } }; bool isImplicitTaskingRegion(OpenMPDirectiveKind DKind) { return isOpenMPParallelDirective(DKind) || isOpenMPTeamsDirective(DKind); } bool isImplicitOrExplicitTaskingRegion(OpenMPDirectiveKind DKind) { return isImplicitTaskingRegion(DKind) || isOpenMPTaskingDirective(DKind) || DKind == OMPD_unknown; } } // namespace static const Expr *getExprAsWritten(const Expr *E) { if (const auto *FE = dyn_cast(E)) E = FE->getSubExpr(); if (const auto *MTE = dyn_cast(E)) E = MTE->GetTemporaryExpr(); while (const auto *Binder = dyn_cast(E)) E = Binder->getSubExpr(); if (const auto *ICE = dyn_cast(E)) E = ICE->getSubExprAsWritten(); return E->IgnoreParens(); } static Expr *getExprAsWritten(Expr *E) { return const_cast(getExprAsWritten(const_cast(E))); } static const ValueDecl *getCanonicalDecl(const ValueDecl *D) { if (const auto *CED = dyn_cast(D)) if (const auto *ME = dyn_cast(getExprAsWritten(CED->getInit()))) D = ME->getMemberDecl(); const auto *VD = dyn_cast(D); const auto *FD = dyn_cast(D); if (VD != nullptr) { VD = VD->getCanonicalDecl(); D = VD; } else { assert(FD); FD = FD->getCanonicalDecl(); D = FD; } return D; } static ValueDecl *getCanonicalDecl(ValueDecl *D) { return const_cast( getCanonicalDecl(const_cast(D))); } DSAStackTy::DSAVarData DSAStackTy::getDSA(const_iterator &Iter, ValueDecl *D) const { D = getCanonicalDecl(D); auto *VD = dyn_cast(D); const auto *FD = dyn_cast(D); DSAVarData DVar; if (Iter == end()) { // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced // in a region but not in construct] // File-scope or namespace-scope variables referenced in called routines // in the region are shared unless they appear in a threadprivate // directive. if (VD && !VD->isFunctionOrMethodVarDecl() && !isa(VD)) DVar.CKind = OMPC_shared; // OpenMP [2.9.1.2, Data-sharing Attribute Rules for Variables Referenced // in a region but not in construct] // Variables with static storage duration that are declared in called // routines in the region are shared. if (VD && VD->hasGlobalStorage()) DVar.CKind = OMPC_shared; // Non-static data members are shared by default. if (FD) DVar.CKind = OMPC_shared; return DVar; } // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced // in a Construct, C/C++, predetermined, p.1] // Variables with automatic storage duration that are declared in a scope // inside the construct are private. if (VD && isOpenMPLocal(VD, Iter) && VD->isLocalVarDecl() && (VD->getStorageClass() == SC_Auto || VD->getStorageClass() == SC_None)) { DVar.CKind = OMPC_private; return DVar; } DVar.DKind = Iter->Directive; // Explicitly specified attributes and local variables with predetermined // attributes. if (Iter->SharingMap.count(D)) { const DSAInfo &Data = Iter->SharingMap.lookup(D); DVar.RefExpr = Data.RefExpr.getPointer(); DVar.PrivateCopy = Data.PrivateCopy; DVar.CKind = Data.Attributes; DVar.ImplicitDSALoc = Iter->DefaultAttrLoc; return DVar; } // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced // in a Construct, C/C++, implicitly determined, p.1] // In a parallel or task construct, the data-sharing attributes of these // variables are determined by the default clause, if present. switch (Iter->DefaultAttr) { case DSA_shared: DVar.CKind = OMPC_shared; DVar.ImplicitDSALoc = Iter->DefaultAttrLoc; return DVar; case DSA_none: return DVar; case DSA_unspecified: // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced // in a Construct, implicitly determined, p.2] // In a parallel construct, if no default clause is present, these // variables are shared. DVar.ImplicitDSALoc = Iter->DefaultAttrLoc; if (isOpenMPParallelDirective(DVar.DKind) || isOpenMPTeamsDirective(DVar.DKind)) { DVar.CKind = OMPC_shared; return DVar; } // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced // in a Construct, implicitly determined, p.4] // In a task construct, if no default clause is present, a variable that in // the enclosing context is determined to be shared by all implicit tasks // bound to the current team is shared. if (isOpenMPTaskingDirective(DVar.DKind)) { DSAVarData DVarTemp; const_iterator I = Iter, E = end(); do { ++I; // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables // Referenced in a Construct, implicitly determined, p.6] // In a task construct, if no default clause is present, a variable // whose data-sharing attribute is not determined by the rules above is // firstprivate. DVarTemp = getDSA(I, D); if (DVarTemp.CKind != OMPC_shared) { DVar.RefExpr = nullptr; DVar.CKind = OMPC_firstprivate; return DVar; } } while (I != E && !isImplicitTaskingRegion(I->Directive)); DVar.CKind = (DVarTemp.CKind == OMPC_unknown) ? OMPC_firstprivate : OMPC_shared; return DVar; } } // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced // in a Construct, implicitly determined, p.3] // For constructs other than task, if no default clause is present, these // variables inherit their data-sharing attributes from the enclosing // context. return getDSA(++Iter, D); } const Expr *DSAStackTy::addUniqueAligned(const ValueDecl *D, const Expr *NewDE) { assert(!isStackEmpty() && "Data sharing attributes stack is empty"); D = getCanonicalDecl(D); SharingMapTy &StackElem = getTopOfStack(); auto It = StackElem.AlignedMap.find(D); if (It == StackElem.AlignedMap.end()) { assert(NewDE && "Unexpected nullptr expr to be added into aligned map"); StackElem.AlignedMap[D] = NewDE; return nullptr; } assert(It->second && "Unexpected nullptr expr in the aligned map"); return It->second; } void DSAStackTy::addLoopControlVariable(const ValueDecl *D, VarDecl *Capture) { assert(!isStackEmpty() && "Data-sharing attributes stack is empty"); D = getCanonicalDecl(D); SharingMapTy &StackElem = getTopOfStack(); StackElem.LCVMap.try_emplace( D, LCDeclInfo(StackElem.LCVMap.size() + 1, Capture)); } const DSAStackTy::LCDeclInfo DSAStackTy::isLoopControlVariable(const ValueDecl *D) const { assert(!isStackEmpty() && "Data-sharing attributes stack is empty"); D = getCanonicalDecl(D); const SharingMapTy &StackElem = getTopOfStack(); auto It = StackElem.LCVMap.find(D); if (It != StackElem.LCVMap.end()) return It->second; return {0, nullptr}; } const DSAStackTy::LCDeclInfo DSAStackTy::isParentLoopControlVariable(const ValueDecl *D) const { const SharingMapTy *Parent = getSecondOnStackOrNull(); assert(Parent && "Data-sharing attributes stack is empty"); D = getCanonicalDecl(D); auto It = Parent->LCVMap.find(D); if (It != Parent->LCVMap.end()) return It->second; return {0, nullptr}; } const ValueDecl *DSAStackTy::getParentLoopControlVariable(unsigned I) const { const SharingMapTy *Parent = getSecondOnStackOrNull(); assert(Parent && "Data-sharing attributes stack is empty"); if (Parent->LCVMap.size() < I) return nullptr; for (const auto &Pair : Parent->LCVMap) if (Pair.second.first == I) return Pair.first; return nullptr; } void DSAStackTy::addDSA(const ValueDecl *D, const Expr *E, OpenMPClauseKind A, DeclRefExpr *PrivateCopy) { D = getCanonicalDecl(D); if (A == OMPC_threadprivate) { DSAInfo &Data = Threadprivates[D]; Data.Attributes = A; Data.RefExpr.setPointer(E); Data.PrivateCopy = nullptr; } else { DSAInfo &Data = getTopOfStack().SharingMap[D]; assert(Data.Attributes == OMPC_unknown || (A == Data.Attributes) || (A == OMPC_firstprivate && Data.Attributes == OMPC_lastprivate) || (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate) || (isLoopControlVariable(D).first && A == OMPC_private)); if (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate) { Data.RefExpr.setInt(/*IntVal=*/true); return; } const bool IsLastprivate = A == OMPC_lastprivate || Data.Attributes == OMPC_lastprivate; Data.Attributes = A; Data.RefExpr.setPointerAndInt(E, IsLastprivate); Data.PrivateCopy = PrivateCopy; if (PrivateCopy) { DSAInfo &Data = getTopOfStack().SharingMap[PrivateCopy->getDecl()]; Data.Attributes = A; Data.RefExpr.setPointerAndInt(PrivateCopy, IsLastprivate); Data.PrivateCopy = nullptr; } } } /// Build a variable declaration for OpenMP loop iteration variable. static VarDecl *buildVarDecl(Sema &SemaRef, SourceLocation Loc, QualType Type, StringRef Name, const AttrVec *Attrs = nullptr, DeclRefExpr *OrigRef = nullptr) { DeclContext *DC = SemaRef.CurContext; IdentifierInfo *II = &SemaRef.PP.getIdentifierTable().get(Name); TypeSourceInfo *TInfo = SemaRef.Context.getTrivialTypeSourceInfo(Type, Loc); auto *Decl = VarDecl::Create(SemaRef.Context, DC, Loc, Loc, II, Type, TInfo, SC_None); if (Attrs) { for (specific_attr_iterator I(Attrs->begin()), E(Attrs->end()); I != E; ++I) Decl->addAttr(*I); } Decl->setImplicit(); if (OrigRef) { Decl->addAttr( OMPReferencedVarAttr::CreateImplicit(SemaRef.Context, OrigRef)); } return Decl; } static DeclRefExpr *buildDeclRefExpr(Sema &S, VarDecl *D, QualType Ty, SourceLocation Loc, bool RefersToCapture = false) { D->setReferenced(); D->markUsed(S.Context); return DeclRefExpr::Create(S.getASTContext(), NestedNameSpecifierLoc(), SourceLocation(), D, RefersToCapture, Loc, Ty, VK_LValue); } void DSAStackTy::addTaskgroupReductionData(const ValueDecl *D, SourceRange SR, BinaryOperatorKind BOK) { D = getCanonicalDecl(D); assert(!isStackEmpty() && "Data-sharing attributes stack is empty"); assert( getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && "Additional reduction info may be specified only for reduction items."); ReductionData &ReductionData = getTopOfStack().ReductionMap[D]; assert(ReductionData.ReductionRange.isInvalid() && getTopOfStack().Directive == OMPD_taskgroup && "Additional reduction info may be specified only once for reduction " "items."); ReductionData.set(BOK, SR); Expr *&TaskgroupReductionRef = getTopOfStack().TaskgroupReductionRef; if (!TaskgroupReductionRef) { VarDecl *VD = buildVarDecl(SemaRef, SR.getBegin(), SemaRef.Context.VoidPtrTy, ".task_red."); TaskgroupReductionRef = buildDeclRefExpr(SemaRef, VD, SemaRef.Context.VoidPtrTy, SR.getBegin()); } } void DSAStackTy::addTaskgroupReductionData(const ValueDecl *D, SourceRange SR, const Expr *ReductionRef) { D = getCanonicalDecl(D); assert(!isStackEmpty() && "Data-sharing attributes stack is empty"); assert( getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && "Additional reduction info may be specified only for reduction items."); ReductionData &ReductionData = getTopOfStack().ReductionMap[D]; assert(ReductionData.ReductionRange.isInvalid() && getTopOfStack().Directive == OMPD_taskgroup && "Additional reduction info may be specified only once for reduction " "items."); ReductionData.set(ReductionRef, SR); Expr *&TaskgroupReductionRef = getTopOfStack().TaskgroupReductionRef; if (!TaskgroupReductionRef) { VarDecl *VD = buildVarDecl(SemaRef, SR.getBegin(), SemaRef.Context.VoidPtrTy, ".task_red."); TaskgroupReductionRef = buildDeclRefExpr(SemaRef, VD, SemaRef.Context.VoidPtrTy, SR.getBegin()); } } const DSAStackTy::DSAVarData DSAStackTy::getTopMostTaskgroupReductionData( const ValueDecl *D, SourceRange &SR, BinaryOperatorKind &BOK, Expr *&TaskgroupDescriptor) const { D = getCanonicalDecl(D); assert(!isStackEmpty() && "Data-sharing attributes stack is empty."); for (const_iterator I = begin() + 1, E = end(); I != E; ++I) { const DSAInfo &Data = I->SharingMap.lookup(D); if (Data.Attributes != OMPC_reduction || I->Directive != OMPD_taskgroup) continue; const ReductionData &ReductionData = I->ReductionMap.lookup(D); if (!ReductionData.ReductionOp || ReductionData.ReductionOp.is()) return DSAVarData(); SR = ReductionData.ReductionRange; BOK = ReductionData.ReductionOp.get(); assert(I->TaskgroupReductionRef && "taskgroup reduction reference " "expression for the descriptor is not " "set."); TaskgroupDescriptor = I->TaskgroupReductionRef; return DSAVarData(OMPD_taskgroup, OMPC_reduction, Data.RefExpr.getPointer(), Data.PrivateCopy, I->DefaultAttrLoc); } return DSAVarData(); } const DSAStackTy::DSAVarData DSAStackTy::getTopMostTaskgroupReductionData( const ValueDecl *D, SourceRange &SR, const Expr *&ReductionRef, Expr *&TaskgroupDescriptor) const { D = getCanonicalDecl(D); assert(!isStackEmpty() && "Data-sharing attributes stack is empty."); for (const_iterator I = begin() + 1, E = end(); I != E; ++I) { const DSAInfo &Data = I->SharingMap.lookup(D); if (Data.Attributes != OMPC_reduction || I->Directive != OMPD_taskgroup) continue; const ReductionData &ReductionData = I->ReductionMap.lookup(D); if (!ReductionData.ReductionOp || !ReductionData.ReductionOp.is()) return DSAVarData(); SR = ReductionData.ReductionRange; ReductionRef = ReductionData.ReductionOp.get(); assert(I->TaskgroupReductionRef && "taskgroup reduction reference " "expression for the descriptor is not " "set."); TaskgroupDescriptor = I->TaskgroupReductionRef; return DSAVarData(OMPD_taskgroup, OMPC_reduction, Data.RefExpr.getPointer(), Data.PrivateCopy, I->DefaultAttrLoc); } return DSAVarData(); } bool DSAStackTy::isOpenMPLocal(VarDecl *D, const_iterator I) const { D = D->getCanonicalDecl(); for (const_iterator E = end(); I != E; ++I) { if (isImplicitOrExplicitTaskingRegion(I->Directive) || isOpenMPTargetExecutionDirective(I->Directive)) { Scope *TopScope = I->CurScope ? I->CurScope->getParent() : nullptr; Scope *CurScope = getCurScope(); while (CurScope && CurScope != TopScope && !CurScope->isDeclScope(D)) CurScope = CurScope->getParent(); return CurScope != TopScope; } } return false; } static bool isConstNotMutableType(Sema &SemaRef, QualType Type, bool AcceptIfMutable = true, bool *IsClassType = nullptr) { ASTContext &Context = SemaRef.getASTContext(); Type = Type.getNonReferenceType().getCanonicalType(); bool IsConstant = Type.isConstant(Context); Type = Context.getBaseElementType(Type); const CXXRecordDecl *RD = AcceptIfMutable && SemaRef.getLangOpts().CPlusPlus ? Type->getAsCXXRecordDecl() : nullptr; if (const auto *CTSD = dyn_cast_or_null(RD)) if (const ClassTemplateDecl *CTD = CTSD->getSpecializedTemplate()) RD = CTD->getTemplatedDecl(); if (IsClassType) *IsClassType = RD; return IsConstant && !(SemaRef.getLangOpts().CPlusPlus && RD && RD->hasDefinition() && RD->hasMutableFields()); } static bool rejectConstNotMutableType(Sema &SemaRef, const ValueDecl *D, QualType Type, OpenMPClauseKind CKind, SourceLocation ELoc, bool AcceptIfMutable = true, bool ListItemNotVar = false) { ASTContext &Context = SemaRef.getASTContext(); bool IsClassType; if (isConstNotMutableType(SemaRef, Type, AcceptIfMutable, &IsClassType)) { unsigned Diag = ListItemNotVar ? diag::err_omp_const_list_item : IsClassType ? diag::err_omp_const_not_mutable_variable : diag::err_omp_const_variable; SemaRef.Diag(ELoc, Diag) << getOpenMPClauseName(CKind); if (!ListItemNotVar && D) { const VarDecl *VD = dyn_cast(D); bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; SemaRef.Diag(D->getLocation(), IsDecl ? diag::note_previous_decl : diag::note_defined_here) << D; } return true; } return false; } const DSAStackTy::DSAVarData DSAStackTy::getTopDSA(ValueDecl *D, bool FromParent) { D = getCanonicalDecl(D); DSAVarData DVar; auto *VD = dyn_cast(D); auto TI = Threadprivates.find(D); if (TI != Threadprivates.end()) { DVar.RefExpr = TI->getSecond().RefExpr.getPointer(); DVar.CKind = OMPC_threadprivate; return DVar; } if (VD && VD->hasAttr()) { DVar.RefExpr = buildDeclRefExpr( SemaRef, VD, D->getType().getNonReferenceType(), VD->getAttr()->getLocation()); DVar.CKind = OMPC_threadprivate; addDSA(D, DVar.RefExpr, OMPC_threadprivate); return DVar; } // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced // in a Construct, C/C++, predetermined, p.1] // Variables appearing in threadprivate directives are threadprivate. if ((VD && VD->getTLSKind() != VarDecl::TLS_None && !(VD->hasAttr() && SemaRef.getLangOpts().OpenMPUseTLS && SemaRef.getASTContext().getTargetInfo().isTLSSupported())) || (VD && VD->getStorageClass() == SC_Register && VD->hasAttr() && !VD->isLocalVarDecl())) { DVar.RefExpr = buildDeclRefExpr( SemaRef, VD, D->getType().getNonReferenceType(), D->getLocation()); DVar.CKind = OMPC_threadprivate; addDSA(D, DVar.RefExpr, OMPC_threadprivate); return DVar; } if (SemaRef.getLangOpts().OpenMPCUDAMode && VD && VD->isLocalVarDeclOrParm() && !isStackEmpty() && !isLoopControlVariable(D).first) { const_iterator IterTarget = std::find_if(begin(), end(), [](const SharingMapTy &Data) { return isOpenMPTargetExecutionDirective(Data.Directive); }); if (IterTarget != end()) { const_iterator ParentIterTarget = IterTarget + 1; for (const_iterator Iter = begin(); Iter != ParentIterTarget; ++Iter) { if (isOpenMPLocal(VD, Iter)) { DVar.RefExpr = buildDeclRefExpr(SemaRef, VD, D->getType().getNonReferenceType(), D->getLocation()); DVar.CKind = OMPC_threadprivate; return DVar; } } if (!isClauseParsingMode() || IterTarget != begin()) { auto DSAIter = IterTarget->SharingMap.find(D); if (DSAIter != IterTarget->SharingMap.end() && isOpenMPPrivate(DSAIter->getSecond().Attributes)) { DVar.RefExpr = DSAIter->getSecond().RefExpr.getPointer(); DVar.CKind = OMPC_threadprivate; return DVar; } const_iterator End = end(); if (!SemaRef.isOpenMPCapturedByRef( D, std::distance(ParentIterTarget, End))) { DVar.RefExpr = buildDeclRefExpr(SemaRef, VD, D->getType().getNonReferenceType(), IterTarget->ConstructLoc); DVar.CKind = OMPC_threadprivate; return DVar; } } } } if (isStackEmpty()) // Not in OpenMP execution region and top scope was already checked. return DVar; // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced // in a Construct, C/C++, predetermined, p.4] // Static data members are shared. // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced // in a Construct, C/C++, predetermined, p.7] // Variables with static storage duration that are declared in a scope // inside the construct are shared. if (VD && VD->isStaticDataMember()) { // Check for explicitly specified attributes. const_iterator I = begin(); const_iterator EndI = end(); if (FromParent && I != EndI) ++I; auto It = I->SharingMap.find(D); if (It != I->SharingMap.end()) { const DSAInfo &Data = It->getSecond(); DVar.RefExpr = Data.RefExpr.getPointer(); DVar.PrivateCopy = Data.PrivateCopy; DVar.CKind = Data.Attributes; DVar.ImplicitDSALoc = I->DefaultAttrLoc; DVar.DKind = I->Directive; return DVar; } DVar.CKind = OMPC_shared; return DVar; } auto &&MatchesAlways = [](OpenMPDirectiveKind) { return true; }; // The predetermined shared attribute for const-qualified types having no // mutable members was removed after OpenMP 3.1. if (SemaRef.LangOpts.OpenMP <= 31) { // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced // in a Construct, C/C++, predetermined, p.6] // Variables with const qualified type having no mutable member are // shared. if (isConstNotMutableType(SemaRef, D->getType())) { // Variables with const-qualified type having no mutable member may be // listed in a firstprivate clause, even if they are static data members. DSAVarData DVarTemp = hasInnermostDSA( D, [](OpenMPClauseKind C) { return C == OMPC_firstprivate || C == OMPC_shared; }, MatchesAlways, FromParent); if (DVarTemp.CKind != OMPC_unknown && DVarTemp.RefExpr) return DVarTemp; DVar.CKind = OMPC_shared; return DVar; } } // Explicitly specified attributes and local variables with predetermined // attributes. const_iterator I = begin(); const_iterator EndI = end(); if (FromParent && I != EndI) ++I; auto It = I->SharingMap.find(D); if (It != I->SharingMap.end()) { const DSAInfo &Data = It->getSecond(); DVar.RefExpr = Data.RefExpr.getPointer(); DVar.PrivateCopy = Data.PrivateCopy; DVar.CKind = Data.Attributes; DVar.ImplicitDSALoc = I->DefaultAttrLoc; DVar.DKind = I->Directive; } return DVar; } const DSAStackTy::DSAVarData DSAStackTy::getImplicitDSA(ValueDecl *D, bool FromParent) const { if (isStackEmpty()) { const_iterator I; return getDSA(I, D); } D = getCanonicalDecl(D); const_iterator StartI = begin(); const_iterator EndI = end(); if (FromParent && StartI != EndI) ++StartI; return getDSA(StartI, D); } const DSAStackTy::DSAVarData DSAStackTy::hasDSA(ValueDecl *D, const llvm::function_ref CPred, const llvm::function_ref DPred, bool FromParent) const { if (isStackEmpty()) return {}; D = getCanonicalDecl(D); const_iterator I = begin(); const_iterator EndI = end(); if (FromParent && I != EndI) ++I; for (; I != EndI; ++I) { if (!DPred(I->Directive) && !isImplicitOrExplicitTaskingRegion(I->Directive)) continue; const_iterator NewI = I; DSAVarData DVar = getDSA(NewI, D); if (I == NewI && CPred(DVar.CKind)) return DVar; } return {}; } const DSAStackTy::DSAVarData DSAStackTy::hasInnermostDSA( ValueDecl *D, const llvm::function_ref CPred, const llvm::function_ref DPred, bool FromParent) const { if (isStackEmpty()) return {}; D = getCanonicalDecl(D); const_iterator StartI = begin(); const_iterator EndI = end(); if (FromParent && StartI != EndI) ++StartI; if (StartI == EndI || !DPred(StartI->Directive)) return {}; const_iterator NewI = StartI; DSAVarData DVar = getDSA(NewI, D); return (NewI == StartI && CPred(DVar.CKind)) ? DVar : DSAVarData(); } bool DSAStackTy::hasExplicitDSA( const ValueDecl *D, const llvm::function_ref CPred, unsigned Level, bool NotLastprivate) const { if (getStackSize() <= Level) return false; D = getCanonicalDecl(D); const SharingMapTy &StackElem = getStackElemAtLevel(Level); auto I = StackElem.SharingMap.find(D); if (I != StackElem.SharingMap.end() && I->getSecond().RefExpr.getPointer() && CPred(I->getSecond().Attributes) && (!NotLastprivate || !I->getSecond().RefExpr.getInt())) return true; // Check predetermined rules for the loop control variables. auto LI = StackElem.LCVMap.find(D); if (LI != StackElem.LCVMap.end()) return CPred(OMPC_private); return false; } bool DSAStackTy::hasExplicitDirective( const llvm::function_ref DPred, unsigned Level) const { if (getStackSize() <= Level) return false; const SharingMapTy &StackElem = getStackElemAtLevel(Level); return DPred(StackElem.Directive); } bool DSAStackTy::hasDirective( const llvm::function_ref DPred, bool FromParent) const { // We look only in the enclosing region. size_t Skip = FromParent ? 2 : 1; for (const_iterator I = begin() + std::min(Skip, getStackSize()), E = end(); I != E; ++I) { if (DPred(I->Directive, I->DirectiveName, I->ConstructLoc)) return true; } return false; } void Sema::InitDataSharingAttributesStack() { VarDataSharingAttributesStack = new DSAStackTy(*this); } #define DSAStack static_cast(VarDataSharingAttributesStack) void Sema::pushOpenMPFunctionRegion() { DSAStack->pushFunction(); } void Sema::popOpenMPFunctionRegion(const FunctionScopeInfo *OldFSI) { DSAStack->popFunction(OldFSI); } static bool isOpenMPDeviceDelayedContext(Sema &S) { assert(S.LangOpts.OpenMP && S.LangOpts.OpenMPIsDevice && "Expected OpenMP device compilation."); return !S.isInOpenMPTargetExecutionDirective() && !S.isInOpenMPDeclareTargetContext(); } /// Do we know that we will eventually codegen the given function? static bool isKnownEmitted(Sema &S, FunctionDecl *FD) { assert(S.LangOpts.OpenMP && S.LangOpts.OpenMPIsDevice && "Expected OpenMP device compilation."); // Templates are emitted when they're instantiated. if (FD->isDependentContext()) return false; if (OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration( FD->getCanonicalDecl())) return true; // Otherwise, the function is known-emitted if it's in our set of // known-emitted functions. return S.DeviceKnownEmittedFns.count(FD) > 0; } Sema::DeviceDiagBuilder Sema::diagIfOpenMPDeviceCode(SourceLocation Loc, unsigned DiagID) { assert(LangOpts.OpenMP && LangOpts.OpenMPIsDevice && "Expected OpenMP device compilation."); return DeviceDiagBuilder((isOpenMPDeviceDelayedContext(*this) && !isKnownEmitted(*this, getCurFunctionDecl())) ? DeviceDiagBuilder::K_Deferred : DeviceDiagBuilder::K_Immediate, Loc, DiagID, getCurFunctionDecl(), *this); } void Sema::checkOpenMPDeviceFunction(SourceLocation Loc, FunctionDecl *Callee) { assert(LangOpts.OpenMP && LangOpts.OpenMPIsDevice && "Expected OpenMP device compilation."); assert(Callee && "Callee may not be null."); FunctionDecl *Caller = getCurFunctionDecl(); // If the caller is known-emitted, mark the callee as known-emitted. // Otherwise, mark the call in our call graph so we can traverse it later. if (!isOpenMPDeviceDelayedContext(*this) || (Caller && isKnownEmitted(*this, Caller))) markKnownEmitted(*this, Caller, Callee, Loc, isKnownEmitted); else if (Caller) DeviceCallGraph[Caller].insert({Callee, Loc}); } void Sema::checkOpenMPDeviceExpr(const Expr *E) { assert(getLangOpts().OpenMP && getLangOpts().OpenMPIsDevice && "OpenMP device compilation mode is expected."); QualType Ty = E->getType(); if ((Ty->isFloat16Type() && !Context.getTargetInfo().hasFloat16Type()) || ((Ty->isFloat128Type() || (Ty->isRealFloatingType() && Context.getTypeSize(Ty) == 128)) && !Context.getTargetInfo().hasFloat128Type()) || (Ty->isIntegerType() && Context.getTypeSize(Ty) == 128 && !Context.getTargetInfo().hasInt128Type())) targetDiag(E->getExprLoc(), diag::err_omp_unsupported_type) << static_cast(Context.getTypeSize(Ty)) << Ty << Context.getTargetInfo().getTriple().str() << E->getSourceRange(); } bool Sema::isOpenMPCapturedByRef(const ValueDecl *D, unsigned Level) const { assert(LangOpts.OpenMP && "OpenMP is not allowed"); ASTContext &Ctx = getASTContext(); bool IsByRef = true; // Find the directive that is associated with the provided scope. D = cast(D->getCanonicalDecl()); QualType Ty = D->getType(); if (DSAStack->hasExplicitDirective(isOpenMPTargetExecutionDirective, Level)) { // This table summarizes how a given variable should be passed to the device // given its type and the clauses where it appears. This table is based on // the description in OpenMP 4.5 [2.10.4, target Construct] and // OpenMP 4.5 [2.15.5, Data-mapping Attribute Rules and Clauses]. // // ========================================================================= // | type | defaultmap | pvt | first | is_device_ptr | map | res. | // | |(tofrom:scalar)| | pvt | | | | // ========================================================================= // | scl | | | | - | | bycopy| // | scl | | - | x | - | - | bycopy| // | scl | | x | - | - | - | null | // | scl | x | | | - | | byref | // | scl | x | - | x | - | - | bycopy| // | scl | x | x | - | - | - | null | // | scl | | - | - | - | x | byref | // | scl | x | - | - | - | x | byref | // // | agg | n.a. | | | - | | byref | // | agg | n.a. | - | x | - | - | byref | // | agg | n.a. | x | - | - | - | null | // | agg | n.a. | - | - | - | x | byref | // | agg | n.a. | - | - | - | x[] | byref | // // | ptr | n.a. | | | - | | bycopy| // | ptr | n.a. | - | x | - | - | bycopy| // | ptr | n.a. | x | - | - | - | null | // | ptr | n.a. | - | - | - | x | byref | // | ptr | n.a. | - | - | - | x[] | bycopy| // | ptr | n.a. | - | - | x | | bycopy| // | ptr | n.a. | - | - | x | x | bycopy| // | ptr | n.a. | - | - | x | x[] | bycopy| // ========================================================================= // Legend: // scl - scalar // ptr - pointer // agg - aggregate // x - applies // - - invalid in this combination // [] - mapped with an array section // byref - should be mapped by reference // byval - should be mapped by value // null - initialize a local variable to null on the device // // Observations: // - All scalar declarations that show up in a map clause have to be passed // by reference, because they may have been mapped in the enclosing data // environment. // - If the scalar value does not fit the size of uintptr, it has to be // passed by reference, regardless the result in the table above. // - For pointers mapped by value that have either an implicit map or an // array section, the runtime library may pass the NULL value to the // device instead of the value passed to it by the compiler. if (Ty->isReferenceType()) Ty = Ty->castAs()->getPointeeType(); // Locate map clauses and see if the variable being captured is referred to // in any of those clauses. Here we only care about variables, not fields, // because fields are part of aggregates. bool IsVariableUsedInMapClause = false; bool IsVariableAssociatedWithSection = false; DSAStack->checkMappableExprComponentListsForDeclAtLevel( D, Level, [&IsVariableUsedInMapClause, &IsVariableAssociatedWithSection, D]( OMPClauseMappableExprCommon::MappableExprComponentListRef MapExprComponents, OpenMPClauseKind WhereFoundClauseKind) { // Only the map clause information influences how a variable is // captured. E.g. is_device_ptr does not require changing the default // behavior. if (WhereFoundClauseKind != OMPC_map) return false; auto EI = MapExprComponents.rbegin(); auto EE = MapExprComponents.rend(); assert(EI != EE && "Invalid map expression!"); if (isa(EI->getAssociatedExpression())) IsVariableUsedInMapClause |= EI->getAssociatedDeclaration() == D; ++EI; if (EI == EE) return false; if (isa(EI->getAssociatedExpression()) || isa(EI->getAssociatedExpression()) || isa(EI->getAssociatedExpression())) { IsVariableAssociatedWithSection = true; // There is nothing more we need to know about this variable. return true; } // Keep looking for more map info. return false; }); if (IsVariableUsedInMapClause) { // If variable is identified in a map clause it is always captured by // reference except if it is a pointer that is dereferenced somehow. IsByRef = !(Ty->isPointerType() && IsVariableAssociatedWithSection); } else { // By default, all the data that has a scalar type is mapped by copy // (except for reduction variables). IsByRef = (DSAStack->isForceCaptureByReferenceInTargetExecutable() && !Ty->isAnyPointerType()) || !Ty->isScalarType() || DSAStack->getDefaultDMAAtLevel(Level) == DMA_tofrom_scalar || DSAStack->hasExplicitDSA( D, [](OpenMPClauseKind K) { return K == OMPC_reduction; }, Level); } } if (IsByRef && Ty.getNonReferenceType()->isScalarType()) { IsByRef = !DSAStack->hasExplicitDSA( D, [](OpenMPClauseKind K) -> bool { return K == OMPC_firstprivate; }, Level, /*NotLastprivate=*/true) && // If the variable is artificial and must be captured by value - try to // capture by value. !(isa(D) && !D->hasAttr() && !cast(D)->getInit()->isGLValue()); } // When passing data by copy, we need to make sure it fits the uintptr size // and alignment, because the runtime library only deals with uintptr types. // If it does not fit the uintptr size, we need to pass the data by reference // instead. if (!IsByRef && (Ctx.getTypeSizeInChars(Ty) > Ctx.getTypeSizeInChars(Ctx.getUIntPtrType()) || Ctx.getDeclAlign(D) > Ctx.getTypeAlignInChars(Ctx.getUIntPtrType()))) { IsByRef = true; } return IsByRef; } unsigned Sema::getOpenMPNestingLevel() const { assert(getLangOpts().OpenMP); return DSAStack->getNestingLevel(); } bool Sema::isInOpenMPTargetExecutionDirective() const { return (isOpenMPTargetExecutionDirective(DSAStack->getCurrentDirective()) && !DSAStack->isClauseParsingMode()) || DSAStack->hasDirective( [](OpenMPDirectiveKind K, const DeclarationNameInfo &, SourceLocation) -> bool { return isOpenMPTargetExecutionDirective(K); }, false); } VarDecl *Sema::isOpenMPCapturedDecl(ValueDecl *D, bool CheckScopeInfo, unsigned StopAt) { assert(LangOpts.OpenMP && "OpenMP is not allowed"); D = getCanonicalDecl(D); // If we want to determine whether the variable should be captured from the // perspective of the current capturing scope, and we've already left all the // capturing scopes of the top directive on the stack, check from the // perspective of its parent directive (if any) instead. DSAStackTy::ParentDirectiveScope InParentDirectiveRAII( *DSAStack, CheckScopeInfo && DSAStack->isBodyComplete()); // If we are attempting to capture a global variable in a directive with // 'target' we return true so that this global is also mapped to the device. // auto *VD = dyn_cast(D); if (VD && !VD->hasLocalStorage() && (getCurCapturedRegion() || getCurBlock() || getCurLambda())) { if (isInOpenMPDeclareTargetContext()) { // Try to mark variable as declare target if it is used in capturing // regions. - if (!OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD)) + if (LangOpts.OpenMP <= 45 && + !OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD)) checkDeclIsAllowedInOpenMPTarget(nullptr, VD); return nullptr; } else if (isInOpenMPTargetExecutionDirective()) { // If the declaration is enclosed in a 'declare target' directive, // then it should not be captured. // if (OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD)) return nullptr; return VD; } } if (CheckScopeInfo) { bool OpenMPFound = false; for (unsigned I = StopAt + 1; I > 0; --I) { FunctionScopeInfo *FSI = FunctionScopes[I - 1]; if(!isa(FSI)) return nullptr; if (auto *RSI = dyn_cast(FSI)) if (RSI->CapRegionKind == CR_OpenMP) { OpenMPFound = true; break; } } if (!OpenMPFound) return nullptr; } if (DSAStack->getCurrentDirective() != OMPD_unknown && (!DSAStack->isClauseParsingMode() || DSAStack->getParentDirective() != OMPD_unknown)) { auto &&Info = DSAStack->isLoopControlVariable(D); if (Info.first || (VD && VD->hasLocalStorage() && isImplicitOrExplicitTaskingRegion(DSAStack->getCurrentDirective())) || (VD && DSAStack->isForceVarCapturing())) return VD ? VD : Info.second; DSAStackTy::DSAVarData DVarPrivate = DSAStack->getTopDSA(D, DSAStack->isClauseParsingMode()); if (DVarPrivate.CKind != OMPC_unknown && isOpenMPPrivate(DVarPrivate.CKind)) return VD ? VD : cast(DVarPrivate.PrivateCopy->getDecl()); // Threadprivate variables must not be captured. if (isOpenMPThreadPrivate(DVarPrivate.CKind)) return nullptr; // The variable is not private or it is the variable in the directive with // default(none) clause and not used in any clause. DVarPrivate = DSAStack->hasDSA(D, isOpenMPPrivate, [](OpenMPDirectiveKind) { return true; }, DSAStack->isClauseParsingMode()); if (DVarPrivate.CKind != OMPC_unknown || (VD && DSAStack->getDefaultDSA() == DSA_none)) return VD ? VD : cast(DVarPrivate.PrivateCopy->getDecl()); } return nullptr; } void Sema::adjustOpenMPTargetScopeIndex(unsigned &FunctionScopesIndex, unsigned Level) const { SmallVector Regions; getOpenMPCaptureRegions(Regions, DSAStack->getDirective(Level)); FunctionScopesIndex -= Regions.size(); } void Sema::startOpenMPLoop() { assert(LangOpts.OpenMP && "OpenMP must be enabled."); if (isOpenMPLoopDirective(DSAStack->getCurrentDirective())) DSAStack->loopInit(); } bool Sema::isOpenMPPrivateDecl(const ValueDecl *D, unsigned Level) const { assert(LangOpts.OpenMP && "OpenMP is not allowed"); if (isOpenMPLoopDirective(DSAStack->getCurrentDirective())) { if (DSAStack->getAssociatedLoops() > 0 && !DSAStack->isLoopStarted()) { DSAStack->resetPossibleLoopCounter(D); DSAStack->loopStart(); return true; } if ((DSAStack->getPossiblyLoopCunter() == D->getCanonicalDecl() || DSAStack->isLoopControlVariable(D).first) && !DSAStack->hasExplicitDSA( D, [](OpenMPClauseKind K) { return K != OMPC_private; }, Level) && !isOpenMPSimdDirective(DSAStack->getCurrentDirective())) return true; } if (const auto *VD = dyn_cast(D)) { if (DSAStack->isThreadPrivate(const_cast(VD)) && DSAStack->isForceVarCapturing() && !DSAStack->hasExplicitDSA( D, [](OpenMPClauseKind K) { return K == OMPC_copyin; }, Level)) return true; } return DSAStack->hasExplicitDSA( D, [](OpenMPClauseKind K) { return K == OMPC_private; }, Level) || (DSAStack->isClauseParsingMode() && DSAStack->getClauseParsingMode() == OMPC_private) || // Consider taskgroup reduction descriptor variable a private to avoid // possible capture in the region. (DSAStack->hasExplicitDirective( [](OpenMPDirectiveKind K) { return K == OMPD_taskgroup; }, Level) && DSAStack->isTaskgroupReductionRef(D, Level)); } void Sema::setOpenMPCaptureKind(FieldDecl *FD, const ValueDecl *D, unsigned Level) { assert(LangOpts.OpenMP && "OpenMP is not allowed"); D = getCanonicalDecl(D); OpenMPClauseKind OMPC = OMPC_unknown; for (unsigned I = DSAStack->getNestingLevel() + 1; I > Level; --I) { const unsigned NewLevel = I - 1; if (DSAStack->hasExplicitDSA(D, [&OMPC](const OpenMPClauseKind K) { if (isOpenMPPrivate(K)) { OMPC = K; return true; } return false; }, NewLevel)) break; if (DSAStack->checkMappableExprComponentListsForDeclAtLevel( D, NewLevel, [](OMPClauseMappableExprCommon::MappableExprComponentListRef, OpenMPClauseKind) { return true; })) { OMPC = OMPC_map; break; } if (DSAStack->hasExplicitDirective(isOpenMPTargetExecutionDirective, NewLevel)) { OMPC = OMPC_map; if (D->getType()->isScalarType() && DSAStack->getDefaultDMAAtLevel(NewLevel) != DefaultMapAttributes::DMA_tofrom_scalar) OMPC = OMPC_firstprivate; break; } } if (OMPC != OMPC_unknown) FD->addAttr(OMPCaptureKindAttr::CreateImplicit(Context, OMPC)); } bool Sema::isOpenMPTargetCapturedDecl(const ValueDecl *D, unsigned Level) const { assert(LangOpts.OpenMP && "OpenMP is not allowed"); // Return true if the current level is no longer enclosed in a target region. const auto *VD = dyn_cast(D); return VD && !VD->hasLocalStorage() && DSAStack->hasExplicitDirective(isOpenMPTargetExecutionDirective, Level); } void Sema::DestroyDataSharingAttributesStack() { delete DSAStack; } void Sema::StartOpenMPDSABlock(OpenMPDirectiveKind DKind, const DeclarationNameInfo &DirName, Scope *CurScope, SourceLocation Loc) { DSAStack->push(DKind, DirName, CurScope, Loc); PushExpressionEvaluationContext( ExpressionEvaluationContext::PotentiallyEvaluated); } void Sema::StartOpenMPClause(OpenMPClauseKind K) { DSAStack->setClauseParsingMode(K); } void Sema::EndOpenMPClause() { DSAStack->setClauseParsingMode(/*K=*/OMPC_unknown); } static void checkAllocateClauses(Sema &S, DSAStackTy *Stack, ArrayRef Clauses); void Sema::EndOpenMPDSABlock(Stmt *CurDirective) { // OpenMP [2.14.3.5, Restrictions, C/C++, p.1] // A variable of class type (or array thereof) that appears in a lastprivate // clause requires an accessible, unambiguous default constructor for the // class type, unless the list item is also specified in a firstprivate // clause. if (const auto *D = dyn_cast_or_null(CurDirective)) { for (OMPClause *C : D->clauses()) { if (auto *Clause = dyn_cast(C)) { SmallVector PrivateCopies; for (Expr *DE : Clause->varlists()) { if (DE->isValueDependent() || DE->isTypeDependent()) { PrivateCopies.push_back(nullptr); continue; } auto *DRE = cast(DE->IgnoreParens()); auto *VD = cast(DRE->getDecl()); QualType Type = VD->getType().getNonReferenceType(); const DSAStackTy::DSAVarData DVar = DSAStack->getTopDSA(VD, /*FromParent=*/false); if (DVar.CKind == OMPC_lastprivate) { // Generate helper private variable and initialize it with the // default value. The address of the original variable is replaced // by the address of the new private variable in CodeGen. This new // variable is not added to IdResolver, so the code in the OpenMP // region uses original variable for proper diagnostics. VarDecl *VDPrivate = buildVarDecl( *this, DE->getExprLoc(), Type.getUnqualifiedType(), VD->getName(), VD->hasAttrs() ? &VD->getAttrs() : nullptr, DRE); ActOnUninitializedDecl(VDPrivate); if (VDPrivate->isInvalidDecl()) { PrivateCopies.push_back(nullptr); continue; } PrivateCopies.push_back(buildDeclRefExpr( *this, VDPrivate, DE->getType(), DE->getExprLoc())); } else { // The variable is also a firstprivate, so initialization sequence // for private copy is generated already. PrivateCopies.push_back(nullptr); } } Clause->setPrivateCopies(PrivateCopies); } } // Check allocate clauses. if (!CurContext->isDependentContext()) checkAllocateClauses(*this, DSAStack, D->clauses()); } DSAStack->pop(); DiscardCleanupsInEvaluationContext(); PopExpressionEvaluationContext(); } static bool FinishOpenMPLinearClause(OMPLinearClause &Clause, DeclRefExpr *IV, Expr *NumIterations, Sema &SemaRef, Scope *S, DSAStackTy *Stack); namespace { class VarDeclFilterCCC final : public CorrectionCandidateCallback { private: Sema &SemaRef; public: explicit VarDeclFilterCCC(Sema &S) : SemaRef(S) {} bool ValidateCandidate(const TypoCorrection &Candidate) override { NamedDecl *ND = Candidate.getCorrectionDecl(); if (const auto *VD = dyn_cast_or_null(ND)) { return VD->hasGlobalStorage() && SemaRef.isDeclInScope(ND, SemaRef.getCurLexicalContext(), SemaRef.getCurScope()); } return false; } std::unique_ptr clone() override { return std::make_unique(*this); } }; class VarOrFuncDeclFilterCCC final : public CorrectionCandidateCallback { private: Sema &SemaRef; public: explicit VarOrFuncDeclFilterCCC(Sema &S) : SemaRef(S) {} bool ValidateCandidate(const TypoCorrection &Candidate) override { NamedDecl *ND = Candidate.getCorrectionDecl(); if (ND && ((isa(ND) && ND->getKind() == Decl::Var) || isa(ND))) { return SemaRef.isDeclInScope(ND, SemaRef.getCurLexicalContext(), SemaRef.getCurScope()); } return false; } std::unique_ptr clone() override { return std::make_unique(*this); } }; } // namespace ExprResult Sema::ActOnOpenMPIdExpression(Scope *CurScope, CXXScopeSpec &ScopeSpec, const DeclarationNameInfo &Id, OpenMPDirectiveKind Kind) { LookupResult Lookup(*this, Id, LookupOrdinaryName); LookupParsedName(Lookup, CurScope, &ScopeSpec, true); if (Lookup.isAmbiguous()) return ExprError(); VarDecl *VD; if (!Lookup.isSingleResult()) { VarDeclFilterCCC CCC(*this); if (TypoCorrection Corrected = CorrectTypo(Id, LookupOrdinaryName, CurScope, nullptr, CCC, CTK_ErrorRecovery)) { diagnoseTypo(Corrected, PDiag(Lookup.empty() ? diag::err_undeclared_var_use_suggest : diag::err_omp_expected_var_arg_suggest) << Id.getName()); VD = Corrected.getCorrectionDeclAs(); } else { Diag(Id.getLoc(), Lookup.empty() ? diag::err_undeclared_var_use : diag::err_omp_expected_var_arg) << Id.getName(); return ExprError(); } } else if (!(VD = Lookup.getAsSingle())) { Diag(Id.getLoc(), diag::err_omp_expected_var_arg) << Id.getName(); Diag(Lookup.getFoundDecl()->getLocation(), diag::note_declared_at); return ExprError(); } Lookup.suppressDiagnostics(); // OpenMP [2.9.2, Syntax, C/C++] // Variables must be file-scope, namespace-scope, or static block-scope. if (Kind == OMPD_threadprivate && !VD->hasGlobalStorage()) { Diag(Id.getLoc(), diag::err_omp_global_var_arg) << getOpenMPDirectiveName(Kind) << !VD->isStaticLocal(); bool IsDecl = VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; Diag(VD->getLocation(), IsDecl ? diag::note_previous_decl : diag::note_defined_here) << VD; return ExprError(); } VarDecl *CanonicalVD = VD->getCanonicalDecl(); NamedDecl *ND = CanonicalVD; // OpenMP [2.9.2, Restrictions, C/C++, p.2] // A threadprivate directive for file-scope variables must appear outside // any definition or declaration. if (CanonicalVD->getDeclContext()->isTranslationUnit() && !getCurLexicalContext()->isTranslationUnit()) { Diag(Id.getLoc(), diag::err_omp_var_scope) << getOpenMPDirectiveName(Kind) << VD; bool IsDecl = VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; Diag(VD->getLocation(), IsDecl ? diag::note_previous_decl : diag::note_defined_here) << VD; return ExprError(); } // OpenMP [2.9.2, Restrictions, C/C++, p.3] // A threadprivate directive for static class member variables must appear // in the class definition, in the same scope in which the member // variables are declared. if (CanonicalVD->isStaticDataMember() && !CanonicalVD->getDeclContext()->Equals(getCurLexicalContext())) { Diag(Id.getLoc(), diag::err_omp_var_scope) << getOpenMPDirectiveName(Kind) << VD; bool IsDecl = VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; Diag(VD->getLocation(), IsDecl ? diag::note_previous_decl : diag::note_defined_here) << VD; return ExprError(); } // OpenMP [2.9.2, Restrictions, C/C++, p.4] // A threadprivate directive for namespace-scope variables must appear // outside any definition or declaration other than the namespace // definition itself. if (CanonicalVD->getDeclContext()->isNamespace() && (!getCurLexicalContext()->isFileContext() || !getCurLexicalContext()->Encloses(CanonicalVD->getDeclContext()))) { Diag(Id.getLoc(), diag::err_omp_var_scope) << getOpenMPDirectiveName(Kind) << VD; bool IsDecl = VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; Diag(VD->getLocation(), IsDecl ? diag::note_previous_decl : diag::note_defined_here) << VD; return ExprError(); } // OpenMP [2.9.2, Restrictions, C/C++, p.6] // A threadprivate directive for static block-scope variables must appear // in the scope of the variable and not in a nested scope. if (CanonicalVD->isLocalVarDecl() && CurScope && !isDeclInScope(ND, getCurLexicalContext(), CurScope)) { Diag(Id.getLoc(), diag::err_omp_var_scope) << getOpenMPDirectiveName(Kind) << VD; bool IsDecl = VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; Diag(VD->getLocation(), IsDecl ? diag::note_previous_decl : diag::note_defined_here) << VD; return ExprError(); } // OpenMP [2.9.2, Restrictions, C/C++, p.2-6] // A threadprivate directive must lexically precede all references to any // of the variables in its list. if (Kind == OMPD_threadprivate && VD->isUsed() && !DSAStack->isThreadPrivate(VD)) { Diag(Id.getLoc(), diag::err_omp_var_used) << getOpenMPDirectiveName(Kind) << VD; return ExprError(); } QualType ExprType = VD->getType().getNonReferenceType(); return DeclRefExpr::Create(Context, NestedNameSpecifierLoc(), SourceLocation(), VD, /*RefersToEnclosingVariableOrCapture=*/false, Id.getLoc(), ExprType, VK_LValue); } Sema::DeclGroupPtrTy Sema::ActOnOpenMPThreadprivateDirective(SourceLocation Loc, ArrayRef VarList) { if (OMPThreadPrivateDecl *D = CheckOMPThreadPrivateDecl(Loc, VarList)) { CurContext->addDecl(D); return DeclGroupPtrTy::make(DeclGroupRef(D)); } return nullptr; } namespace { class LocalVarRefChecker final : public ConstStmtVisitor { Sema &SemaRef; public: bool VisitDeclRefExpr(const DeclRefExpr *E) { if (const auto *VD = dyn_cast(E->getDecl())) { if (VD->hasLocalStorage()) { SemaRef.Diag(E->getBeginLoc(), diag::err_omp_local_var_in_threadprivate_init) << E->getSourceRange(); SemaRef.Diag(VD->getLocation(), diag::note_defined_here) << VD << VD->getSourceRange(); return true; } } return false; } bool VisitStmt(const Stmt *S) { for (const Stmt *Child : S->children()) { if (Child && Visit(Child)) return true; } return false; } explicit LocalVarRefChecker(Sema &SemaRef) : SemaRef(SemaRef) {} }; } // namespace OMPThreadPrivateDecl * Sema::CheckOMPThreadPrivateDecl(SourceLocation Loc, ArrayRef VarList) { SmallVector Vars; for (Expr *RefExpr : VarList) { auto *DE = cast(RefExpr); auto *VD = cast(DE->getDecl()); SourceLocation ILoc = DE->getExprLoc(); // Mark variable as used. VD->setReferenced(); VD->markUsed(Context); QualType QType = VD->getType(); if (QType->isDependentType() || QType->isInstantiationDependentType()) { // It will be analyzed later. Vars.push_back(DE); continue; } // OpenMP [2.9.2, Restrictions, C/C++, p.10] // A threadprivate variable must not have an incomplete type. if (RequireCompleteType(ILoc, VD->getType(), diag::err_omp_threadprivate_incomplete_type)) { continue; } // OpenMP [2.9.2, Restrictions, C/C++, p.10] // A threadprivate variable must not have a reference type. if (VD->getType()->isReferenceType()) { Diag(ILoc, diag::err_omp_ref_type_arg) << getOpenMPDirectiveName(OMPD_threadprivate) << VD->getType(); bool IsDecl = VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; Diag(VD->getLocation(), IsDecl ? diag::note_previous_decl : diag::note_defined_here) << VD; continue; } // Check if this is a TLS variable. If TLS is not being supported, produce // the corresponding diagnostic. if ((VD->getTLSKind() != VarDecl::TLS_None && !(VD->hasAttr() && getLangOpts().OpenMPUseTLS && getASTContext().getTargetInfo().isTLSSupported())) || (VD->getStorageClass() == SC_Register && VD->hasAttr() && !VD->isLocalVarDecl())) { Diag(ILoc, diag::err_omp_var_thread_local) << VD << ((VD->getTLSKind() != VarDecl::TLS_None) ? 0 : 1); bool IsDecl = VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; Diag(VD->getLocation(), IsDecl ? diag::note_previous_decl : diag::note_defined_here) << VD; continue; } // Check if initial value of threadprivate variable reference variable with // local storage (it is not supported by runtime). if (const Expr *Init = VD->getAnyInitializer()) { LocalVarRefChecker Checker(*this); if (Checker.Visit(Init)) continue; } Vars.push_back(RefExpr); DSAStack->addDSA(VD, DE, OMPC_threadprivate); VD->addAttr(OMPThreadPrivateDeclAttr::CreateImplicit( Context, SourceRange(Loc, Loc))); if (ASTMutationListener *ML = Context.getASTMutationListener()) ML->DeclarationMarkedOpenMPThreadPrivate(VD); } OMPThreadPrivateDecl *D = nullptr; if (!Vars.empty()) { D = OMPThreadPrivateDecl::Create(Context, getCurLexicalContext(), Loc, Vars); D->setAccess(AS_public); } return D; } static OMPAllocateDeclAttr::AllocatorTypeTy getAllocatorKind(Sema &S, DSAStackTy *Stack, Expr *Allocator) { if (!Allocator) return OMPAllocateDeclAttr::OMPDefaultMemAlloc; if (Allocator->isTypeDependent() || Allocator->isValueDependent() || Allocator->isInstantiationDependent() || Allocator->containsUnexpandedParameterPack()) return OMPAllocateDeclAttr::OMPUserDefinedMemAlloc; auto AllocatorKindRes = OMPAllocateDeclAttr::OMPUserDefinedMemAlloc; const Expr *AE = Allocator->IgnoreParenImpCasts(); for (int I = OMPAllocateDeclAttr::OMPDefaultMemAlloc; I < OMPAllocateDeclAttr::OMPUserDefinedMemAlloc; ++I) { auto AllocatorKind = static_cast(I); const Expr *DefAllocator = Stack->getAllocator(AllocatorKind); llvm::FoldingSetNodeID AEId, DAEId; AE->Profile(AEId, S.getASTContext(), /*Canonical=*/true); DefAllocator->Profile(DAEId, S.getASTContext(), /*Canonical=*/true); if (AEId == DAEId) { AllocatorKindRes = AllocatorKind; break; } } return AllocatorKindRes; } static bool checkPreviousOMPAllocateAttribute( Sema &S, DSAStackTy *Stack, Expr *RefExpr, VarDecl *VD, OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind, Expr *Allocator) { if (!VD->hasAttr()) return false; const auto *A = VD->getAttr(); Expr *PrevAllocator = A->getAllocator(); OMPAllocateDeclAttr::AllocatorTypeTy PrevAllocatorKind = getAllocatorKind(S, Stack, PrevAllocator); bool AllocatorsMatch = AllocatorKind == PrevAllocatorKind; if (AllocatorsMatch && AllocatorKind == OMPAllocateDeclAttr::OMPUserDefinedMemAlloc && Allocator && PrevAllocator) { const Expr *AE = Allocator->IgnoreParenImpCasts(); const Expr *PAE = PrevAllocator->IgnoreParenImpCasts(); llvm::FoldingSetNodeID AEId, PAEId; AE->Profile(AEId, S.Context, /*Canonical=*/true); PAE->Profile(PAEId, S.Context, /*Canonical=*/true); AllocatorsMatch = AEId == PAEId; } if (!AllocatorsMatch) { SmallString<256> AllocatorBuffer; llvm::raw_svector_ostream AllocatorStream(AllocatorBuffer); if (Allocator) Allocator->printPretty(AllocatorStream, nullptr, S.getPrintingPolicy()); SmallString<256> PrevAllocatorBuffer; llvm::raw_svector_ostream PrevAllocatorStream(PrevAllocatorBuffer); if (PrevAllocator) PrevAllocator->printPretty(PrevAllocatorStream, nullptr, S.getPrintingPolicy()); SourceLocation AllocatorLoc = Allocator ? Allocator->getExprLoc() : RefExpr->getExprLoc(); SourceRange AllocatorRange = Allocator ? Allocator->getSourceRange() : RefExpr->getSourceRange(); SourceLocation PrevAllocatorLoc = PrevAllocator ? PrevAllocator->getExprLoc() : A->getLocation(); SourceRange PrevAllocatorRange = PrevAllocator ? PrevAllocator->getSourceRange() : A->getRange(); S.Diag(AllocatorLoc, diag::warn_omp_used_different_allocator) << (Allocator ? 1 : 0) << AllocatorStream.str() << (PrevAllocator ? 1 : 0) << PrevAllocatorStream.str() << AllocatorRange; S.Diag(PrevAllocatorLoc, diag::note_omp_previous_allocator) << PrevAllocatorRange; return true; } return false; } static void applyOMPAllocateAttribute(Sema &S, VarDecl *VD, OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind, Expr *Allocator, SourceRange SR) { if (VD->hasAttr()) return; if (Allocator && (Allocator->isTypeDependent() || Allocator->isValueDependent() || Allocator->isInstantiationDependent() || Allocator->containsUnexpandedParameterPack())) return; auto *A = OMPAllocateDeclAttr::CreateImplicit(S.Context, AllocatorKind, Allocator, SR); VD->addAttr(A); if (ASTMutationListener *ML = S.Context.getASTMutationListener()) ML->DeclarationMarkedOpenMPAllocate(VD, A); } Sema::DeclGroupPtrTy Sema::ActOnOpenMPAllocateDirective( SourceLocation Loc, ArrayRef VarList, ArrayRef Clauses, DeclContext *Owner) { assert(Clauses.size() <= 1 && "Expected at most one clause."); Expr *Allocator = nullptr; if (Clauses.empty()) { // OpenMP 5.0, 2.11.3 allocate Directive, Restrictions. // allocate directives that appear in a target region must specify an // allocator clause unless a requires directive with the dynamic_allocators // clause is present in the same compilation unit. if (LangOpts.OpenMPIsDevice && !DSAStack->hasRequiresDeclWithClause()) targetDiag(Loc, diag::err_expected_allocator_clause); } else { Allocator = cast(Clauses.back())->getAllocator(); } OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind = getAllocatorKind(*this, DSAStack, Allocator); SmallVector Vars; for (Expr *RefExpr : VarList) { auto *DE = cast(RefExpr); auto *VD = cast(DE->getDecl()); // Check if this is a TLS variable or global register. if (VD->getTLSKind() != VarDecl::TLS_None || VD->hasAttr() || (VD->getStorageClass() == SC_Register && VD->hasAttr() && !VD->isLocalVarDecl())) continue; // If the used several times in the allocate directive, the same allocator // must be used. if (checkPreviousOMPAllocateAttribute(*this, DSAStack, RefExpr, VD, AllocatorKind, Allocator)) continue; // OpenMP, 2.11.3 allocate Directive, Restrictions, C / C++ // If a list item has a static storage type, the allocator expression in the // allocator clause must be a constant expression that evaluates to one of // the predefined memory allocator values. if (Allocator && VD->hasGlobalStorage()) { if (AllocatorKind == OMPAllocateDeclAttr::OMPUserDefinedMemAlloc) { Diag(Allocator->getExprLoc(), diag::err_omp_expected_predefined_allocator) << Allocator->getSourceRange(); bool IsDecl = VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; Diag(VD->getLocation(), IsDecl ? diag::note_previous_decl : diag::note_defined_here) << VD; continue; } } Vars.push_back(RefExpr); applyOMPAllocateAttribute(*this, VD, AllocatorKind, Allocator, DE->getSourceRange()); } if (Vars.empty()) return nullptr; if (!Owner) Owner = getCurLexicalContext(); auto *D = OMPAllocateDecl::Create(Context, Owner, Loc, Vars, Clauses); D->setAccess(AS_public); Owner->addDecl(D); return DeclGroupPtrTy::make(DeclGroupRef(D)); } Sema::DeclGroupPtrTy Sema::ActOnOpenMPRequiresDirective(SourceLocation Loc, ArrayRef ClauseList) { OMPRequiresDecl *D = nullptr; if (!CurContext->isFileContext()) { Diag(Loc, diag::err_omp_invalid_scope) << "requires"; } else { D = CheckOMPRequiresDecl(Loc, ClauseList); if (D) { CurContext->addDecl(D); DSAStack->addRequiresDecl(D); } } return DeclGroupPtrTy::make(DeclGroupRef(D)); } OMPRequiresDecl *Sema::CheckOMPRequiresDecl(SourceLocation Loc, ArrayRef ClauseList) { /// For target specific clauses, the requires directive cannot be /// specified after the handling of any of the target regions in the /// current compilation unit. ArrayRef TargetLocations = DSAStack->getEncounteredTargetLocs(); if (!TargetLocations.empty()) { for (const OMPClause *CNew : ClauseList) { // Check if any of the requires clauses affect target regions. if (isa(CNew) || isa(CNew) || isa(CNew) || isa(CNew)) { Diag(Loc, diag::err_omp_target_before_requires) << getOpenMPClauseName(CNew->getClauseKind()); for (SourceLocation TargetLoc : TargetLocations) { Diag(TargetLoc, diag::note_omp_requires_encountered_target); } } } } if (!DSAStack->hasDuplicateRequiresClause(ClauseList)) return OMPRequiresDecl::Create(Context, getCurLexicalContext(), Loc, ClauseList); return nullptr; } static void reportOriginalDsa(Sema &SemaRef, const DSAStackTy *Stack, const ValueDecl *D, const DSAStackTy::DSAVarData &DVar, bool IsLoopIterVar = false) { if (DVar.RefExpr) { SemaRef.Diag(DVar.RefExpr->getExprLoc(), diag::note_omp_explicit_dsa) << getOpenMPClauseName(DVar.CKind); return; } enum { PDSA_StaticMemberShared, PDSA_StaticLocalVarShared, PDSA_LoopIterVarPrivate, PDSA_LoopIterVarLinear, PDSA_LoopIterVarLastprivate, PDSA_ConstVarShared, PDSA_GlobalVarShared, PDSA_TaskVarFirstprivate, PDSA_LocalVarPrivate, PDSA_Implicit } Reason = PDSA_Implicit; bool ReportHint = false; auto ReportLoc = D->getLocation(); auto *VD = dyn_cast(D); if (IsLoopIterVar) { if (DVar.CKind == OMPC_private) Reason = PDSA_LoopIterVarPrivate; else if (DVar.CKind == OMPC_lastprivate) Reason = PDSA_LoopIterVarLastprivate; else Reason = PDSA_LoopIterVarLinear; } else if (isOpenMPTaskingDirective(DVar.DKind) && DVar.CKind == OMPC_firstprivate) { Reason = PDSA_TaskVarFirstprivate; ReportLoc = DVar.ImplicitDSALoc; } else if (VD && VD->isStaticLocal()) Reason = PDSA_StaticLocalVarShared; else if (VD && VD->isStaticDataMember()) Reason = PDSA_StaticMemberShared; else if (VD && VD->isFileVarDecl()) Reason = PDSA_GlobalVarShared; else if (D->getType().isConstant(SemaRef.getASTContext())) Reason = PDSA_ConstVarShared; else if (VD && VD->isLocalVarDecl() && DVar.CKind == OMPC_private) { ReportHint = true; Reason = PDSA_LocalVarPrivate; } if (Reason != PDSA_Implicit) { SemaRef.Diag(ReportLoc, diag::note_omp_predetermined_dsa) << Reason << ReportHint << getOpenMPDirectiveName(Stack->getCurrentDirective()); } else if (DVar.ImplicitDSALoc.isValid()) { SemaRef.Diag(DVar.ImplicitDSALoc, diag::note_omp_implicit_dsa) << getOpenMPClauseName(DVar.CKind); } } namespace { class DSAAttrChecker final : public StmtVisitor { DSAStackTy *Stack; Sema &SemaRef; bool ErrorFound = false; CapturedStmt *CS = nullptr; llvm::SmallVector ImplicitFirstprivate; llvm::SmallVector ImplicitMap; Sema::VarsWithInheritedDSAType VarsWithInheritedDSA; llvm::SmallDenseSet ImplicitDeclarations; void VisitSubCaptures(OMPExecutableDirective *S) { // Check implicitly captured variables. if (!S->hasAssociatedStmt() || !S->getAssociatedStmt()) return; visitSubCaptures(S->getInnermostCapturedStmt()); } public: void VisitDeclRefExpr(DeclRefExpr *E) { if (E->isTypeDependent() || E->isValueDependent() || E->containsUnexpandedParameterPack() || E->isInstantiationDependent()) return; if (auto *VD = dyn_cast(E->getDecl())) { // Check the datasharing rules for the expressions in the clauses. if (!CS) { if (auto *CED = dyn_cast(VD)) if (!CED->hasAttr()) { Visit(CED->getInit()); return; } } else if (VD->isImplicit() || isa(VD)) // Do not analyze internal variables and do not enclose them into // implicit clauses. return; VD = VD->getCanonicalDecl(); // Skip internally declared variables. if (VD->hasLocalStorage() && CS && !CS->capturesVariable(VD)) return; DSAStackTy::DSAVarData DVar = Stack->getTopDSA(VD, /*FromParent=*/false); // Check if the variable has explicit DSA set and stop analysis if it so. if (DVar.RefExpr || !ImplicitDeclarations.insert(VD).second) return; // Skip internally declared static variables. llvm::Optional Res = OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD); if (VD->hasGlobalStorage() && CS && !CS->capturesVariable(VD) && (Stack->hasRequiresDeclWithClause() || !Res || *Res != OMPDeclareTargetDeclAttr::MT_Link)) return; SourceLocation ELoc = E->getExprLoc(); OpenMPDirectiveKind DKind = Stack->getCurrentDirective(); // The default(none) clause requires that each variable that is referenced // in the construct, and does not have a predetermined data-sharing // attribute, must have its data-sharing attribute explicitly determined // by being listed in a data-sharing attribute clause. if (DVar.CKind == OMPC_unknown && Stack->getDefaultDSA() == DSA_none && isImplicitOrExplicitTaskingRegion(DKind) && VarsWithInheritedDSA.count(VD) == 0) { VarsWithInheritedDSA[VD] = E; return; } if (isOpenMPTargetExecutionDirective(DKind) && !Stack->isLoopControlVariable(VD).first) { if (!Stack->checkMappableExprComponentListsForDecl( VD, /*CurrentRegionOnly=*/true, [](OMPClauseMappableExprCommon::MappableExprComponentListRef StackComponents, OpenMPClauseKind) { // Variable is used if it has been marked as an array, array // section or the variable iself. return StackComponents.size() == 1 || std::all_of( std::next(StackComponents.rbegin()), StackComponents.rend(), [](const OMPClauseMappableExprCommon:: MappableComponent &MC) { return MC.getAssociatedDeclaration() == nullptr && (isa( MC.getAssociatedExpression()) || isa( MC.getAssociatedExpression())); }); })) { bool IsFirstprivate = false; // By default lambdas are captured as firstprivates. if (const auto *RD = VD->getType().getNonReferenceType()->getAsCXXRecordDecl()) IsFirstprivate = RD->isLambda(); IsFirstprivate = IsFirstprivate || (VD->getType().getNonReferenceType()->isScalarType() && Stack->getDefaultDMA() != DMA_tofrom_scalar && !Res); if (IsFirstprivate) ImplicitFirstprivate.emplace_back(E); else ImplicitMap.emplace_back(E); return; } } // OpenMP [2.9.3.6, Restrictions, p.2] // A list item that appears in a reduction clause of the innermost // enclosing worksharing or parallel construct may not be accessed in an // explicit task. DVar = Stack->hasInnermostDSA( VD, [](OpenMPClauseKind C) { return C == OMPC_reduction; }, [](OpenMPDirectiveKind K) { return isOpenMPParallelDirective(K) || isOpenMPWorksharingDirective(K) || isOpenMPTeamsDirective(K); }, /*FromParent=*/true); if (isOpenMPTaskingDirective(DKind) && DVar.CKind == OMPC_reduction) { ErrorFound = true; SemaRef.Diag(ELoc, diag::err_omp_reduction_in_task); reportOriginalDsa(SemaRef, Stack, VD, DVar); return; } // Define implicit data-sharing attributes for task. DVar = Stack->getImplicitDSA(VD, /*FromParent=*/false); if (isOpenMPTaskingDirective(DKind) && DVar.CKind != OMPC_shared && !Stack->isLoopControlVariable(VD).first) { ImplicitFirstprivate.push_back(E); return; } // Store implicitly used globals with declare target link for parent // target. if (!isOpenMPTargetExecutionDirective(DKind) && Res && *Res == OMPDeclareTargetDeclAttr::MT_Link) { Stack->addToParentTargetRegionLinkGlobals(E); return; } } } void VisitMemberExpr(MemberExpr *E) { if (E->isTypeDependent() || E->isValueDependent() || E->containsUnexpandedParameterPack() || E->isInstantiationDependent()) return; auto *FD = dyn_cast(E->getMemberDecl()); OpenMPDirectiveKind DKind = Stack->getCurrentDirective(); if (auto *TE = dyn_cast(E->getBase()->IgnoreParens())) { if (!FD) return; DSAStackTy::DSAVarData DVar = Stack->getTopDSA(FD, /*FromParent=*/false); // Check if the variable has explicit DSA set and stop analysis if it // so. if (DVar.RefExpr || !ImplicitDeclarations.insert(FD).second) return; if (isOpenMPTargetExecutionDirective(DKind) && !Stack->isLoopControlVariable(FD).first && !Stack->checkMappableExprComponentListsForDecl( FD, /*CurrentRegionOnly=*/true, [](OMPClauseMappableExprCommon::MappableExprComponentListRef StackComponents, OpenMPClauseKind) { return isa( cast( StackComponents.back().getAssociatedExpression()) ->getBase() ->IgnoreParens()); })) { // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C/C++, p.3] // A bit-field cannot appear in a map clause. // if (FD->isBitField()) return; // Check to see if the member expression is referencing a class that // has already been explicitly mapped if (Stack->isClassPreviouslyMapped(TE->getType())) return; ImplicitMap.emplace_back(E); return; } SourceLocation ELoc = E->getExprLoc(); // OpenMP [2.9.3.6, Restrictions, p.2] // A list item that appears in a reduction clause of the innermost // enclosing worksharing or parallel construct may not be accessed in // an explicit task. DVar = Stack->hasInnermostDSA( FD, [](OpenMPClauseKind C) { return C == OMPC_reduction; }, [](OpenMPDirectiveKind K) { return isOpenMPParallelDirective(K) || isOpenMPWorksharingDirective(K) || isOpenMPTeamsDirective(K); }, /*FromParent=*/true); if (isOpenMPTaskingDirective(DKind) && DVar.CKind == OMPC_reduction) { ErrorFound = true; SemaRef.Diag(ELoc, diag::err_omp_reduction_in_task); reportOriginalDsa(SemaRef, Stack, FD, DVar); return; } // Define implicit data-sharing attributes for task. DVar = Stack->getImplicitDSA(FD, /*FromParent=*/false); if (isOpenMPTaskingDirective(DKind) && DVar.CKind != OMPC_shared && !Stack->isLoopControlVariable(FD).first) { // Check if there is a captured expression for the current field in the // region. Do not mark it as firstprivate unless there is no captured // expression. // TODO: try to make it firstprivate. if (DVar.CKind != OMPC_unknown) ImplicitFirstprivate.push_back(E); } return; } if (isOpenMPTargetExecutionDirective(DKind)) { OMPClauseMappableExprCommon::MappableExprComponentList CurComponents; if (!checkMapClauseExpressionBase(SemaRef, E, CurComponents, OMPC_map, /*NoDiagnose=*/true)) return; const auto *VD = cast( CurComponents.back().getAssociatedDeclaration()->getCanonicalDecl()); if (!Stack->checkMappableExprComponentListsForDecl( VD, /*CurrentRegionOnly=*/true, [&CurComponents]( OMPClauseMappableExprCommon::MappableExprComponentListRef StackComponents, OpenMPClauseKind) { auto CCI = CurComponents.rbegin(); auto CCE = CurComponents.rend(); for (const auto &SC : llvm::reverse(StackComponents)) { // Do both expressions have the same kind? if (CCI->getAssociatedExpression()->getStmtClass() != SC.getAssociatedExpression()->getStmtClass()) if (!(isa( SC.getAssociatedExpression()) && isa( CCI->getAssociatedExpression()))) return false; const Decl *CCD = CCI->getAssociatedDeclaration(); const Decl *SCD = SC.getAssociatedDeclaration(); CCD = CCD ? CCD->getCanonicalDecl() : nullptr; SCD = SCD ? SCD->getCanonicalDecl() : nullptr; if (SCD != CCD) return false; std::advance(CCI, 1); if (CCI == CCE) break; } return true; })) { Visit(E->getBase()); } } else { Visit(E->getBase()); } } void VisitOMPExecutableDirective(OMPExecutableDirective *S) { for (OMPClause *C : S->clauses()) { // Skip analysis of arguments of implicitly defined firstprivate clause // for task|target directives. // Skip analysis of arguments of implicitly defined map clause for target // directives. if (C && !((isa(C) || isa(C)) && C->isImplicit())) { for (Stmt *CC : C->children()) { if (CC) Visit(CC); } } } // Check implicitly captured variables. VisitSubCaptures(S); } void VisitStmt(Stmt *S) { for (Stmt *C : S->children()) { if (C) { // Check implicitly captured variables in the task-based directives to // check if they must be firstprivatized. Visit(C); } } } void visitSubCaptures(CapturedStmt *S) { for (const CapturedStmt::Capture &Cap : S->captures()) { if (!Cap.capturesVariable() && !Cap.capturesVariableByCopy()) continue; VarDecl *VD = Cap.getCapturedVar(); // Do not try to map the variable if it or its sub-component was mapped // already. if (isOpenMPTargetExecutionDirective(Stack->getCurrentDirective()) && Stack->checkMappableExprComponentListsForDecl( VD, /*CurrentRegionOnly=*/true, [](OMPClauseMappableExprCommon::MappableExprComponentListRef, OpenMPClauseKind) { return true; })) continue; DeclRefExpr *DRE = buildDeclRefExpr( SemaRef, VD, VD->getType().getNonLValueExprType(SemaRef.Context), Cap.getLocation(), /*RefersToCapture=*/true); Visit(DRE); } } bool isErrorFound() const { return ErrorFound; } ArrayRef getImplicitFirstprivate() const { return ImplicitFirstprivate; } ArrayRef getImplicitMap() const { return ImplicitMap; } const Sema::VarsWithInheritedDSAType &getVarsWithInheritedDSA() const { return VarsWithInheritedDSA; } DSAAttrChecker(DSAStackTy *S, Sema &SemaRef, CapturedStmt *CS) : Stack(S), SemaRef(SemaRef), ErrorFound(false), CS(CS) { // Process declare target link variables for the target directives. if (isOpenMPTargetExecutionDirective(S->getCurrentDirective())) { for (DeclRefExpr *E : Stack->getLinkGlobals()) Visit(E); } } }; } // namespace void Sema::ActOnOpenMPRegionStart(OpenMPDirectiveKind DKind, Scope *CurScope) { switch (DKind) { case OMPD_parallel: case OMPD_parallel_for: case OMPD_parallel_for_simd: case OMPD_parallel_sections: case OMPD_teams: case OMPD_teams_distribute: case OMPD_teams_distribute_simd: { QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); QualType KmpInt32PtrTy = Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); Sema::CapturedParamNameType Params[] = { std::make_pair(".global_tid.", KmpInt32PtrTy), std::make_pair(".bound_tid.", KmpInt32PtrTy), std::make_pair(StringRef(), QualType()) // __context with shared vars }; ActOnCapturedRegionStart(DSAStack->getConstructLoc(), CurScope, CR_OpenMP, Params); break; } case OMPD_target_teams: case OMPD_target_parallel: case OMPD_target_parallel_for: case OMPD_target_parallel_for_simd: case OMPD_target_teams_distribute: case OMPD_target_teams_distribute_simd: { QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); QualType KmpInt32PtrTy = Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); QualType Args[] = {VoidPtrTy}; FunctionProtoType::ExtProtoInfo EPI; EPI.Variadic = true; QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); Sema::CapturedParamNameType Params[] = { std::make_pair(".global_tid.", KmpInt32Ty), std::make_pair(".part_id.", KmpInt32PtrTy), std::make_pair(".privates.", VoidPtrTy), std::make_pair( ".copy_fn.", Context.getPointerType(CopyFnType).withConst().withRestrict()), std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), std::make_pair(StringRef(), QualType()) // __context with shared vars }; ActOnCapturedRegionStart(DSAStack->getConstructLoc(), CurScope, CR_OpenMP, Params); // Mark this captured region as inlined, because we don't use outlined // function directly. getCurCapturedRegion()->TheCapturedDecl->addAttr( AlwaysInlineAttr::CreateImplicit( Context, AlwaysInlineAttr::Keyword_forceinline)); Sema::CapturedParamNameType ParamsTarget[] = { std::make_pair(StringRef(), QualType()) // __context with shared vars }; // Start a captured region for 'target' with no implicit parameters. ActOnCapturedRegionStart(DSAStack->getConstructLoc(), CurScope, CR_OpenMP, ParamsTarget); Sema::CapturedParamNameType ParamsTeamsOrParallel[] = { std::make_pair(".global_tid.", KmpInt32PtrTy), std::make_pair(".bound_tid.", KmpInt32PtrTy), std::make_pair(StringRef(), QualType()) // __context with shared vars }; // Start a captured region for 'teams' or 'parallel'. Both regions have // the same implicit parameters. ActOnCapturedRegionStart(DSAStack->getConstructLoc(), CurScope, CR_OpenMP, ParamsTeamsOrParallel); break; } case OMPD_target: case OMPD_target_simd: { QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); QualType KmpInt32PtrTy = Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); QualType Args[] = {VoidPtrTy}; FunctionProtoType::ExtProtoInfo EPI; EPI.Variadic = true; QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); Sema::CapturedParamNameType Params[] = { std::make_pair(".global_tid.", KmpInt32Ty), std::make_pair(".part_id.", KmpInt32PtrTy), std::make_pair(".privates.", VoidPtrTy), std::make_pair( ".copy_fn.", Context.getPointerType(CopyFnType).withConst().withRestrict()), std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), std::make_pair(StringRef(), QualType()) // __context with shared vars }; ActOnCapturedRegionStart(DSAStack->getConstructLoc(), CurScope, CR_OpenMP, Params); // Mark this captured region as inlined, because we don't use outlined // function directly. getCurCapturedRegion()->TheCapturedDecl->addAttr( AlwaysInlineAttr::CreateImplicit( Context, AlwaysInlineAttr::Keyword_forceinline)); ActOnCapturedRegionStart(DSAStack->getConstructLoc(), CurScope, CR_OpenMP, std::make_pair(StringRef(), QualType())); break; } case OMPD_simd: case OMPD_for: case OMPD_for_simd: case OMPD_sections: case OMPD_section: case OMPD_single: case OMPD_master: case OMPD_critical: case OMPD_taskgroup: case OMPD_distribute: case OMPD_distribute_simd: case OMPD_ordered: case OMPD_atomic: case OMPD_target_data: { Sema::CapturedParamNameType Params[] = { std::make_pair(StringRef(), QualType()) // __context with shared vars }; ActOnCapturedRegionStart(DSAStack->getConstructLoc(), CurScope, CR_OpenMP, Params); break; } case OMPD_task: { QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); QualType KmpInt32PtrTy = Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); QualType Args[] = {VoidPtrTy}; FunctionProtoType::ExtProtoInfo EPI; EPI.Variadic = true; QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); Sema::CapturedParamNameType Params[] = { std::make_pair(".global_tid.", KmpInt32Ty), std::make_pair(".part_id.", KmpInt32PtrTy), std::make_pair(".privates.", VoidPtrTy), std::make_pair( ".copy_fn.", Context.getPointerType(CopyFnType).withConst().withRestrict()), std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), std::make_pair(StringRef(), QualType()) // __context with shared vars }; ActOnCapturedRegionStart(DSAStack->getConstructLoc(), CurScope, CR_OpenMP, Params); // Mark this captured region as inlined, because we don't use outlined // function directly. getCurCapturedRegion()->TheCapturedDecl->addAttr( AlwaysInlineAttr::CreateImplicit( Context, AlwaysInlineAttr::Keyword_forceinline)); break; } case OMPD_taskloop: case OMPD_taskloop_simd: { QualType KmpInt32Ty = Context.getIntTypeForBitwidth(/*DestWidth=*/32, /*Signed=*/1) .withConst(); QualType KmpUInt64Ty = Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/0) .withConst(); QualType KmpInt64Ty = Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/1) .withConst(); QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); QualType KmpInt32PtrTy = Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); QualType Args[] = {VoidPtrTy}; FunctionProtoType::ExtProtoInfo EPI; EPI.Variadic = true; QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); Sema::CapturedParamNameType Params[] = { std::make_pair(".global_tid.", KmpInt32Ty), std::make_pair(".part_id.", KmpInt32PtrTy), std::make_pair(".privates.", VoidPtrTy), std::make_pair( ".copy_fn.", Context.getPointerType(CopyFnType).withConst().withRestrict()), std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), std::make_pair(".lb.", KmpUInt64Ty), std::make_pair(".ub.", KmpUInt64Ty), std::make_pair(".st.", KmpInt64Ty), std::make_pair(".liter.", KmpInt32Ty), std::make_pair(".reductions.", VoidPtrTy), std::make_pair(StringRef(), QualType()) // __context with shared vars }; ActOnCapturedRegionStart(DSAStack->getConstructLoc(), CurScope, CR_OpenMP, Params); // Mark this captured region as inlined, because we don't use outlined // function directly. getCurCapturedRegion()->TheCapturedDecl->addAttr( AlwaysInlineAttr::CreateImplicit( Context, AlwaysInlineAttr::Keyword_forceinline)); break; } case OMPD_distribute_parallel_for_simd: case OMPD_distribute_parallel_for: { QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); QualType KmpInt32PtrTy = Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); Sema::CapturedParamNameType Params[] = { std::make_pair(".global_tid.", KmpInt32PtrTy), std::make_pair(".bound_tid.", KmpInt32PtrTy), std::make_pair(".previous.lb.", Context.getSizeType().withConst()), std::make_pair(".previous.ub.", Context.getSizeType().withConst()), std::make_pair(StringRef(), QualType()) // __context with shared vars }; ActOnCapturedRegionStart(DSAStack->getConstructLoc(), CurScope, CR_OpenMP, Params); break; } case OMPD_target_teams_distribute_parallel_for: case OMPD_target_teams_distribute_parallel_for_simd: { QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); QualType KmpInt32PtrTy = Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); QualType Args[] = {VoidPtrTy}; FunctionProtoType::ExtProtoInfo EPI; EPI.Variadic = true; QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); Sema::CapturedParamNameType Params[] = { std::make_pair(".global_tid.", KmpInt32Ty), std::make_pair(".part_id.", KmpInt32PtrTy), std::make_pair(".privates.", VoidPtrTy), std::make_pair( ".copy_fn.", Context.getPointerType(CopyFnType).withConst().withRestrict()), std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), std::make_pair(StringRef(), QualType()) // __context with shared vars }; ActOnCapturedRegionStart(DSAStack->getConstructLoc(), CurScope, CR_OpenMP, Params); // Mark this captured region as inlined, because we don't use outlined // function directly. getCurCapturedRegion()->TheCapturedDecl->addAttr( AlwaysInlineAttr::CreateImplicit( Context, AlwaysInlineAttr::Keyword_forceinline)); Sema::CapturedParamNameType ParamsTarget[] = { std::make_pair(StringRef(), QualType()) // __context with shared vars }; // Start a captured region for 'target' with no implicit parameters. ActOnCapturedRegionStart(DSAStack->getConstructLoc(), CurScope, CR_OpenMP, ParamsTarget); Sema::CapturedParamNameType ParamsTeams[] = { std::make_pair(".global_tid.", KmpInt32PtrTy), std::make_pair(".bound_tid.", KmpInt32PtrTy), std::make_pair(StringRef(), QualType()) // __context with shared vars }; // Start a captured region for 'target' with no implicit parameters. ActOnCapturedRegionStart(DSAStack->getConstructLoc(), CurScope, CR_OpenMP, ParamsTeams); Sema::CapturedParamNameType ParamsParallel[] = { std::make_pair(".global_tid.", KmpInt32PtrTy), std::make_pair(".bound_tid.", KmpInt32PtrTy), std::make_pair(".previous.lb.", Context.getSizeType().withConst()), std::make_pair(".previous.ub.", Context.getSizeType().withConst()), std::make_pair(StringRef(), QualType()) // __context with shared vars }; // Start a captured region for 'teams' or 'parallel'. Both regions have // the same implicit parameters. ActOnCapturedRegionStart(DSAStack->getConstructLoc(), CurScope, CR_OpenMP, ParamsParallel); break; } case OMPD_teams_distribute_parallel_for: case OMPD_teams_distribute_parallel_for_simd: { QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); QualType KmpInt32PtrTy = Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); Sema::CapturedParamNameType ParamsTeams[] = { std::make_pair(".global_tid.", KmpInt32PtrTy), std::make_pair(".bound_tid.", KmpInt32PtrTy), std::make_pair(StringRef(), QualType()) // __context with shared vars }; // Start a captured region for 'target' with no implicit parameters. ActOnCapturedRegionStart(DSAStack->getConstructLoc(), CurScope, CR_OpenMP, ParamsTeams); Sema::CapturedParamNameType ParamsParallel[] = { std::make_pair(".global_tid.", KmpInt32PtrTy), std::make_pair(".bound_tid.", KmpInt32PtrTy), std::make_pair(".previous.lb.", Context.getSizeType().withConst()), std::make_pair(".previous.ub.", Context.getSizeType().withConst()), std::make_pair(StringRef(), QualType()) // __context with shared vars }; // Start a captured region for 'teams' or 'parallel'. Both regions have // the same implicit parameters. ActOnCapturedRegionStart(DSAStack->getConstructLoc(), CurScope, CR_OpenMP, ParamsParallel); break; } case OMPD_target_update: case OMPD_target_enter_data: case OMPD_target_exit_data: { QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); QualType KmpInt32PtrTy = Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); QualType Args[] = {VoidPtrTy}; FunctionProtoType::ExtProtoInfo EPI; EPI.Variadic = true; QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); Sema::CapturedParamNameType Params[] = { std::make_pair(".global_tid.", KmpInt32Ty), std::make_pair(".part_id.", KmpInt32PtrTy), std::make_pair(".privates.", VoidPtrTy), std::make_pair( ".copy_fn.", Context.getPointerType(CopyFnType).withConst().withRestrict()), std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), std::make_pair(StringRef(), QualType()) // __context with shared vars }; ActOnCapturedRegionStart(DSAStack->getConstructLoc(), CurScope, CR_OpenMP, Params); // Mark this captured region as inlined, because we don't use outlined // function directly. getCurCapturedRegion()->TheCapturedDecl->addAttr( AlwaysInlineAttr::CreateImplicit( Context, AlwaysInlineAttr::Keyword_forceinline)); break; } case OMPD_threadprivate: case OMPD_allocate: case OMPD_taskyield: case OMPD_barrier: case OMPD_taskwait: case OMPD_cancellation_point: case OMPD_cancel: case OMPD_flush: case OMPD_declare_reduction: case OMPD_declare_mapper: case OMPD_declare_simd: case OMPD_declare_target: case OMPD_end_declare_target: case OMPD_requires: llvm_unreachable("OpenMP Directive is not allowed"); case OMPD_unknown: llvm_unreachable("Unknown OpenMP directive"); } } int Sema::getOpenMPCaptureLevels(OpenMPDirectiveKind DKind) { SmallVector CaptureRegions; getOpenMPCaptureRegions(CaptureRegions, DKind); return CaptureRegions.size(); } static OMPCapturedExprDecl *buildCaptureDecl(Sema &S, IdentifierInfo *Id, Expr *CaptureExpr, bool WithInit, bool AsExpression) { assert(CaptureExpr); ASTContext &C = S.getASTContext(); Expr *Init = AsExpression ? CaptureExpr : CaptureExpr->IgnoreImpCasts(); QualType Ty = Init->getType(); if (CaptureExpr->getObjectKind() == OK_Ordinary && CaptureExpr->isGLValue()) { if (S.getLangOpts().CPlusPlus) { Ty = C.getLValueReferenceType(Ty); } else { Ty = C.getPointerType(Ty); ExprResult Res = S.CreateBuiltinUnaryOp(CaptureExpr->getExprLoc(), UO_AddrOf, Init); if (!Res.isUsable()) return nullptr; Init = Res.get(); } WithInit = true; } auto *CED = OMPCapturedExprDecl::Create(C, S.CurContext, Id, Ty, CaptureExpr->getBeginLoc()); if (!WithInit) CED->addAttr(OMPCaptureNoInitAttr::CreateImplicit(C)); S.CurContext->addHiddenDecl(CED); S.AddInitializerToDecl(CED, Init, /*DirectInit=*/false); return CED; } static DeclRefExpr *buildCapture(Sema &S, ValueDecl *D, Expr *CaptureExpr, bool WithInit) { OMPCapturedExprDecl *CD; if (VarDecl *VD = S.isOpenMPCapturedDecl(D)) CD = cast(VD); else CD = buildCaptureDecl(S, D->getIdentifier(), CaptureExpr, WithInit, /*AsExpression=*/false); return buildDeclRefExpr(S, CD, CD->getType().getNonReferenceType(), CaptureExpr->getExprLoc()); } static ExprResult buildCapture(Sema &S, Expr *CaptureExpr, DeclRefExpr *&Ref) { CaptureExpr = S.DefaultLvalueConversion(CaptureExpr).get(); if (!Ref) { OMPCapturedExprDecl *CD = buildCaptureDecl( S, &S.getASTContext().Idents.get(".capture_expr."), CaptureExpr, /*WithInit=*/true, /*AsExpression=*/true); Ref = buildDeclRefExpr(S, CD, CD->getType().getNonReferenceType(), CaptureExpr->getExprLoc()); } ExprResult Res = Ref; if (!S.getLangOpts().CPlusPlus && CaptureExpr->getObjectKind() == OK_Ordinary && CaptureExpr->isGLValue() && Ref->getType()->isPointerType()) { Res = S.CreateBuiltinUnaryOp(CaptureExpr->getExprLoc(), UO_Deref, Ref); if (!Res.isUsable()) return ExprError(); } return S.DefaultLvalueConversion(Res.get()); } namespace { // OpenMP directives parsed in this section are represented as a // CapturedStatement with an associated statement. If a syntax error // is detected during the parsing of the associated statement, the // compiler must abort processing and close the CapturedStatement. // // Combined directives such as 'target parallel' have more than one // nested CapturedStatements. This RAII ensures that we unwind out // of all the nested CapturedStatements when an error is found. class CaptureRegionUnwinderRAII { private: Sema &S; bool &ErrorFound; OpenMPDirectiveKind DKind = OMPD_unknown; public: CaptureRegionUnwinderRAII(Sema &S, bool &ErrorFound, OpenMPDirectiveKind DKind) : S(S), ErrorFound(ErrorFound), DKind(DKind) {} ~CaptureRegionUnwinderRAII() { if (ErrorFound) { int ThisCaptureLevel = S.getOpenMPCaptureLevels(DKind); while (--ThisCaptureLevel >= 0) S.ActOnCapturedRegionError(); } } }; } // namespace void Sema::tryCaptureOpenMPLambdas(ValueDecl *V) { // Capture variables captured by reference in lambdas for target-based // directives. if (!CurContext->isDependentContext() && (isOpenMPTargetExecutionDirective(DSAStack->getCurrentDirective()) || isOpenMPTargetDataManagementDirective( DSAStack->getCurrentDirective()))) { QualType Type = V->getType(); if (const auto *RD = Type.getCanonicalType() .getNonReferenceType() ->getAsCXXRecordDecl()) { bool SavedForceCaptureByReferenceInTargetExecutable = DSAStack->isForceCaptureByReferenceInTargetExecutable(); DSAStack->setForceCaptureByReferenceInTargetExecutable( /*V=*/true); if (RD->isLambda()) { llvm::DenseMap Captures; FieldDecl *ThisCapture; RD->getCaptureFields(Captures, ThisCapture); for (const LambdaCapture &LC : RD->captures()) { if (LC.getCaptureKind() == LCK_ByRef) { VarDecl *VD = LC.getCapturedVar(); DeclContext *VDC = VD->getDeclContext(); if (!VDC->Encloses(CurContext)) continue; MarkVariableReferenced(LC.getLocation(), VD); } else if (LC.getCaptureKind() == LCK_This) { QualType ThisTy = getCurrentThisType(); if (!ThisTy.isNull() && Context.typesAreCompatible(ThisTy, ThisCapture->getType())) CheckCXXThisCapture(LC.getLocation()); } } } DSAStack->setForceCaptureByReferenceInTargetExecutable( SavedForceCaptureByReferenceInTargetExecutable); } } } StmtResult Sema::ActOnOpenMPRegionEnd(StmtResult S, ArrayRef Clauses) { bool ErrorFound = false; CaptureRegionUnwinderRAII CaptureRegionUnwinder( *this, ErrorFound, DSAStack->getCurrentDirective()); if (!S.isUsable()) { ErrorFound = true; return StmtError(); } SmallVector CaptureRegions; getOpenMPCaptureRegions(CaptureRegions, DSAStack->getCurrentDirective()); OMPOrderedClause *OC = nullptr; OMPScheduleClause *SC = nullptr; SmallVector LCs; SmallVector PICs; // This is required for proper codegen. for (OMPClause *Clause : Clauses) { if (isOpenMPTaskingDirective(DSAStack->getCurrentDirective()) && Clause->getClauseKind() == OMPC_in_reduction) { // Capture taskgroup task_reduction descriptors inside the tasking regions // with the corresponding in_reduction items. auto *IRC = cast(Clause); for (Expr *E : IRC->taskgroup_descriptors()) if (E) MarkDeclarationsReferencedInExpr(E); } if (isOpenMPPrivate(Clause->getClauseKind()) || Clause->getClauseKind() == OMPC_copyprivate || (getLangOpts().OpenMPUseTLS && getASTContext().getTargetInfo().isTLSSupported() && Clause->getClauseKind() == OMPC_copyin)) { DSAStack->setForceVarCapturing(Clause->getClauseKind() == OMPC_copyin); // Mark all variables in private list clauses as used in inner region. for (Stmt *VarRef : Clause->children()) { if (auto *E = cast_or_null(VarRef)) { MarkDeclarationsReferencedInExpr(E); } } DSAStack->setForceVarCapturing(/*V=*/false); } else if (CaptureRegions.size() > 1 || CaptureRegions.back() != OMPD_unknown) { if (auto *C = OMPClauseWithPreInit::get(Clause)) PICs.push_back(C); if (auto *C = OMPClauseWithPostUpdate::get(Clause)) { if (Expr *E = C->getPostUpdateExpr()) MarkDeclarationsReferencedInExpr(E); } } if (Clause->getClauseKind() == OMPC_schedule) SC = cast(Clause); else if (Clause->getClauseKind() == OMPC_ordered) OC = cast(Clause); else if (Clause->getClauseKind() == OMPC_linear) LCs.push_back(cast(Clause)); } // OpenMP, 2.7.1 Loop Construct, Restrictions // The nonmonotonic modifier cannot be specified if an ordered clause is // specified. if (SC && (SC->getFirstScheduleModifier() == OMPC_SCHEDULE_MODIFIER_nonmonotonic || SC->getSecondScheduleModifier() == OMPC_SCHEDULE_MODIFIER_nonmonotonic) && OC) { Diag(SC->getFirstScheduleModifier() == OMPC_SCHEDULE_MODIFIER_nonmonotonic ? SC->getFirstScheduleModifierLoc() : SC->getSecondScheduleModifierLoc(), diag::err_omp_schedule_nonmonotonic_ordered) << SourceRange(OC->getBeginLoc(), OC->getEndLoc()); ErrorFound = true; } if (!LCs.empty() && OC && OC->getNumForLoops()) { for (const OMPLinearClause *C : LCs) { Diag(C->getBeginLoc(), diag::err_omp_linear_ordered) << SourceRange(OC->getBeginLoc(), OC->getEndLoc()); } ErrorFound = true; } if (isOpenMPWorksharingDirective(DSAStack->getCurrentDirective()) && isOpenMPSimdDirective(DSAStack->getCurrentDirective()) && OC && OC->getNumForLoops()) { Diag(OC->getBeginLoc(), diag::err_omp_ordered_simd) << getOpenMPDirectiveName(DSAStack->getCurrentDirective()); ErrorFound = true; } if (ErrorFound) { return StmtError(); } StmtResult SR = S; unsigned CompletedRegions = 0; for (OpenMPDirectiveKind ThisCaptureRegion : llvm::reverse(CaptureRegions)) { // Mark all variables in private list clauses as used in inner region. // Required for proper codegen of combined directives. // TODO: add processing for other clauses. if (ThisCaptureRegion != OMPD_unknown) { for (const clang::OMPClauseWithPreInit *C : PICs) { OpenMPDirectiveKind CaptureRegion = C->getCaptureRegion(); // Find the particular capture region for the clause if the // directive is a combined one with multiple capture regions. // If the directive is not a combined one, the capture region // associated with the clause is OMPD_unknown and is generated // only once. if (CaptureRegion == ThisCaptureRegion || CaptureRegion == OMPD_unknown) { if (auto *DS = cast_or_null(C->getPreInitStmt())) { for (Decl *D : DS->decls()) MarkVariableReferenced(D->getLocation(), cast(D)); } } } } if (++CompletedRegions == CaptureRegions.size()) DSAStack->setBodyComplete(); SR = ActOnCapturedRegionEnd(SR.get()); } return SR; } static bool checkCancelRegion(Sema &SemaRef, OpenMPDirectiveKind CurrentRegion, OpenMPDirectiveKind CancelRegion, SourceLocation StartLoc) { // CancelRegion is only needed for cancel and cancellation_point. if (CurrentRegion != OMPD_cancel && CurrentRegion != OMPD_cancellation_point) return false; if (CancelRegion == OMPD_parallel || CancelRegion == OMPD_for || CancelRegion == OMPD_sections || CancelRegion == OMPD_taskgroup) return false; SemaRef.Diag(StartLoc, diag::err_omp_wrong_cancel_region) << getOpenMPDirectiveName(CancelRegion); return true; } static bool checkNestingOfRegions(Sema &SemaRef, const DSAStackTy *Stack, OpenMPDirectiveKind CurrentRegion, const DeclarationNameInfo &CurrentName, OpenMPDirectiveKind CancelRegion, SourceLocation StartLoc) { if (Stack->getCurScope()) { OpenMPDirectiveKind ParentRegion = Stack->getParentDirective(); OpenMPDirectiveKind OffendingRegion = ParentRegion; bool NestingProhibited = false; bool CloseNesting = true; bool OrphanSeen = false; enum { NoRecommend, ShouldBeInParallelRegion, ShouldBeInOrderedRegion, ShouldBeInTargetRegion, ShouldBeInTeamsRegion } Recommend = NoRecommend; if (isOpenMPSimdDirective(ParentRegion) && CurrentRegion != OMPD_ordered) { // OpenMP [2.16, Nesting of Regions] // OpenMP constructs may not be nested inside a simd region. // OpenMP [2.8.1,simd Construct, Restrictions] // An ordered construct with the simd clause is the only OpenMP // construct that can appear in the simd region. // Allowing a SIMD construct nested in another SIMD construct is an // extension. The OpenMP 4.5 spec does not allow it. Issue a warning // message. SemaRef.Diag(StartLoc, (CurrentRegion != OMPD_simd) ? diag::err_omp_prohibited_region_simd : diag::warn_omp_nesting_simd); return CurrentRegion != OMPD_simd; } if (ParentRegion == OMPD_atomic) { // OpenMP [2.16, Nesting of Regions] // OpenMP constructs may not be nested inside an atomic region. SemaRef.Diag(StartLoc, diag::err_omp_prohibited_region_atomic); return true; } if (CurrentRegion == OMPD_section) { // OpenMP [2.7.2, sections Construct, Restrictions] // Orphaned section directives are prohibited. That is, the section // directives must appear within the sections construct and must not be // encountered elsewhere in the sections region. if (ParentRegion != OMPD_sections && ParentRegion != OMPD_parallel_sections) { SemaRef.Diag(StartLoc, diag::err_omp_orphaned_section_directive) << (ParentRegion != OMPD_unknown) << getOpenMPDirectiveName(ParentRegion); return true; } return false; } // Allow some constructs (except teams and cancellation constructs) to be // orphaned (they could be used in functions, called from OpenMP regions // with the required preconditions). if (ParentRegion == OMPD_unknown && !isOpenMPNestingTeamsDirective(CurrentRegion) && CurrentRegion != OMPD_cancellation_point && CurrentRegion != OMPD_cancel) return false; if (CurrentRegion == OMPD_cancellation_point || CurrentRegion == OMPD_cancel) { // OpenMP [2.16, Nesting of Regions] // A cancellation point construct for which construct-type-clause is // taskgroup must be nested inside a task construct. A cancellation // point construct for which construct-type-clause is not taskgroup must // be closely nested inside an OpenMP construct that matches the type // specified in construct-type-clause. // A cancel construct for which construct-type-clause is taskgroup must be // nested inside a task construct. A cancel construct for which // construct-type-clause is not taskgroup must be closely nested inside an // OpenMP construct that matches the type specified in // construct-type-clause. NestingProhibited = !((CancelRegion == OMPD_parallel && (ParentRegion == OMPD_parallel || ParentRegion == OMPD_target_parallel)) || (CancelRegion == OMPD_for && (ParentRegion == OMPD_for || ParentRegion == OMPD_parallel_for || ParentRegion == OMPD_target_parallel_for || ParentRegion == OMPD_distribute_parallel_for || ParentRegion == OMPD_teams_distribute_parallel_for || ParentRegion == OMPD_target_teams_distribute_parallel_for)) || (CancelRegion == OMPD_taskgroup && ParentRegion == OMPD_task) || (CancelRegion == OMPD_sections && (ParentRegion == OMPD_section || ParentRegion == OMPD_sections || ParentRegion == OMPD_parallel_sections))); OrphanSeen = ParentRegion == OMPD_unknown; } else if (CurrentRegion == OMPD_master) { // OpenMP [2.16, Nesting of Regions] // A master region may not be closely nested inside a worksharing, // atomic, or explicit task region. NestingProhibited = isOpenMPWorksharingDirective(ParentRegion) || isOpenMPTaskingDirective(ParentRegion); } else if (CurrentRegion == OMPD_critical && CurrentName.getName()) { // OpenMP [2.16, Nesting of Regions] // A critical region may not be nested (closely or otherwise) inside a // critical region with the same name. Note that this restriction is not // sufficient to prevent deadlock. SourceLocation PreviousCriticalLoc; bool DeadLock = Stack->hasDirective( [CurrentName, &PreviousCriticalLoc](OpenMPDirectiveKind K, const DeclarationNameInfo &DNI, SourceLocation Loc) { if (K == OMPD_critical && DNI.getName() == CurrentName.getName()) { PreviousCriticalLoc = Loc; return true; } return false; }, false /* skip top directive */); if (DeadLock) { SemaRef.Diag(StartLoc, diag::err_omp_prohibited_region_critical_same_name) << CurrentName.getName(); if (PreviousCriticalLoc.isValid()) SemaRef.Diag(PreviousCriticalLoc, diag::note_omp_previous_critical_region); return true; } } else if (CurrentRegion == OMPD_barrier) { // OpenMP [2.16, Nesting of Regions] // A barrier region may not be closely nested inside a worksharing, // explicit task, critical, ordered, atomic, or master region. NestingProhibited = isOpenMPWorksharingDirective(ParentRegion) || isOpenMPTaskingDirective(ParentRegion) || ParentRegion == OMPD_master || ParentRegion == OMPD_critical || ParentRegion == OMPD_ordered; } else if (isOpenMPWorksharingDirective(CurrentRegion) && !isOpenMPParallelDirective(CurrentRegion) && !isOpenMPTeamsDirective(CurrentRegion)) { // OpenMP [2.16, Nesting of Regions] // A worksharing region may not be closely nested inside a worksharing, // explicit task, critical, ordered, atomic, or master region. NestingProhibited = isOpenMPWorksharingDirective(ParentRegion) || isOpenMPTaskingDirective(ParentRegion) || ParentRegion == OMPD_master || ParentRegion == OMPD_critical || ParentRegion == OMPD_ordered; Recommend = ShouldBeInParallelRegion; } else if (CurrentRegion == OMPD_ordered) { // OpenMP [2.16, Nesting of Regions] // An ordered region may not be closely nested inside a critical, // atomic, or explicit task region. // An ordered region must be closely nested inside a loop region (or // parallel loop region) with an ordered clause. // OpenMP [2.8.1,simd Construct, Restrictions] // An ordered construct with the simd clause is the only OpenMP construct // that can appear in the simd region. NestingProhibited = ParentRegion == OMPD_critical || isOpenMPTaskingDirective(ParentRegion) || !(isOpenMPSimdDirective(ParentRegion) || Stack->isParentOrderedRegion()); Recommend = ShouldBeInOrderedRegion; } else if (isOpenMPNestingTeamsDirective(CurrentRegion)) { // OpenMP [2.16, Nesting of Regions] // If specified, a teams construct must be contained within a target // construct. NestingProhibited = ParentRegion != OMPD_target; OrphanSeen = ParentRegion == OMPD_unknown; Recommend = ShouldBeInTargetRegion; } if (!NestingProhibited && !isOpenMPTargetExecutionDirective(CurrentRegion) && !isOpenMPTargetDataManagementDirective(CurrentRegion) && (ParentRegion == OMPD_teams || ParentRegion == OMPD_target_teams)) { // OpenMP [2.16, Nesting of Regions] // distribute, parallel, parallel sections, parallel workshare, and the // parallel loop and parallel loop SIMD constructs are the only OpenMP // constructs that can be closely nested in the teams region. NestingProhibited = !isOpenMPParallelDirective(CurrentRegion) && !isOpenMPDistributeDirective(CurrentRegion); Recommend = ShouldBeInParallelRegion; } if (!NestingProhibited && isOpenMPNestingDistributeDirective(CurrentRegion)) { // OpenMP 4.5 [2.17 Nesting of Regions] // The region associated with the distribute construct must be strictly // nested inside a teams region NestingProhibited = (ParentRegion != OMPD_teams && ParentRegion != OMPD_target_teams); Recommend = ShouldBeInTeamsRegion; } if (!NestingProhibited && (isOpenMPTargetExecutionDirective(CurrentRegion) || isOpenMPTargetDataManagementDirective(CurrentRegion))) { // OpenMP 4.5 [2.17 Nesting of Regions] // If a target, target update, target data, target enter data, or // target exit data construct is encountered during execution of a // target region, the behavior is unspecified. NestingProhibited = Stack->hasDirective( [&OffendingRegion](OpenMPDirectiveKind K, const DeclarationNameInfo &, SourceLocation) { if (isOpenMPTargetExecutionDirective(K)) { OffendingRegion = K; return true; } return false; }, false /* don't skip top directive */); CloseNesting = false; } if (NestingProhibited) { if (OrphanSeen) { SemaRef.Diag(StartLoc, diag::err_omp_orphaned_device_directive) << getOpenMPDirectiveName(CurrentRegion) << Recommend; } else { SemaRef.Diag(StartLoc, diag::err_omp_prohibited_region) << CloseNesting << getOpenMPDirectiveName(OffendingRegion) << Recommend << getOpenMPDirectiveName(CurrentRegion); } return true; } } return false; } static bool checkIfClauses(Sema &S, OpenMPDirectiveKind Kind, ArrayRef Clauses, ArrayRef AllowedNameModifiers) { bool ErrorFound = false; unsigned NamedModifiersNumber = 0; SmallVector FoundNameModifiers( OMPD_unknown + 1); SmallVector NameModifierLoc; for (const OMPClause *C : Clauses) { if (const auto *IC = dyn_cast_or_null(C)) { // At most one if clause without a directive-name-modifier can appear on // the directive. OpenMPDirectiveKind CurNM = IC->getNameModifier(); if (FoundNameModifiers[CurNM]) { S.Diag(C->getBeginLoc(), diag::err_omp_more_one_clause) << getOpenMPDirectiveName(Kind) << getOpenMPClauseName(OMPC_if) << (CurNM != OMPD_unknown) << getOpenMPDirectiveName(CurNM); ErrorFound = true; } else if (CurNM != OMPD_unknown) { NameModifierLoc.push_back(IC->getNameModifierLoc()); ++NamedModifiersNumber; } FoundNameModifiers[CurNM] = IC; if (CurNM == OMPD_unknown) continue; // Check if the specified name modifier is allowed for the current // directive. // At most one if clause with the particular directive-name-modifier can // appear on the directive. bool MatchFound = false; for (auto NM : AllowedNameModifiers) { if (CurNM == NM) { MatchFound = true; break; } } if (!MatchFound) { S.Diag(IC->getNameModifierLoc(), diag::err_omp_wrong_if_directive_name_modifier) << getOpenMPDirectiveName(CurNM) << getOpenMPDirectiveName(Kind); ErrorFound = true; } } } // If any if clause on the directive includes a directive-name-modifier then // all if clauses on the directive must include a directive-name-modifier. if (FoundNameModifiers[OMPD_unknown] && NamedModifiersNumber > 0) { if (NamedModifiersNumber == AllowedNameModifiers.size()) { S.Diag(FoundNameModifiers[OMPD_unknown]->getBeginLoc(), diag::err_omp_no_more_if_clause); } else { std::string Values; std::string Sep(", "); unsigned AllowedCnt = 0; unsigned TotalAllowedNum = AllowedNameModifiers.size() - NamedModifiersNumber; for (unsigned Cnt = 0, End = AllowedNameModifiers.size(); Cnt < End; ++Cnt) { OpenMPDirectiveKind NM = AllowedNameModifiers[Cnt]; if (!FoundNameModifiers[NM]) { Values += "'"; Values += getOpenMPDirectiveName(NM); Values += "'"; if (AllowedCnt + 2 == TotalAllowedNum) Values += " or "; else if (AllowedCnt + 1 != TotalAllowedNum) Values += Sep; ++AllowedCnt; } } S.Diag(FoundNameModifiers[OMPD_unknown]->getCondition()->getBeginLoc(), diag::err_omp_unnamed_if_clause) << (TotalAllowedNum > 1) << Values; } for (SourceLocation Loc : NameModifierLoc) { S.Diag(Loc, diag::note_omp_previous_named_if_clause); } ErrorFound = true; } return ErrorFound; } static std::pair getPrivateItem(Sema &S, Expr *&RefExpr, SourceLocation &ELoc, SourceRange &ERange, bool AllowArraySection = false) { if (RefExpr->isTypeDependent() || RefExpr->isValueDependent() || RefExpr->containsUnexpandedParameterPack()) return std::make_pair(nullptr, true); // OpenMP [3.1, C/C++] // A list item is a variable name. // OpenMP [2.9.3.3, Restrictions, p.1] // A variable that is part of another variable (as an array or // structure element) cannot appear in a private clause. RefExpr = RefExpr->IgnoreParens(); enum { NoArrayExpr = -1, ArraySubscript = 0, OMPArraySection = 1 } IsArrayExpr = NoArrayExpr; if (AllowArraySection) { if (auto *ASE = dyn_cast_or_null(RefExpr)) { Expr *Base = ASE->getBase()->IgnoreParenImpCasts(); while (auto *TempASE = dyn_cast(Base)) Base = TempASE->getBase()->IgnoreParenImpCasts(); RefExpr = Base; IsArrayExpr = ArraySubscript; } else if (auto *OASE = dyn_cast_or_null(RefExpr)) { Expr *Base = OASE->getBase()->IgnoreParenImpCasts(); while (auto *TempOASE = dyn_cast(Base)) Base = TempOASE->getBase()->IgnoreParenImpCasts(); while (auto *TempASE = dyn_cast(Base)) Base = TempASE->getBase()->IgnoreParenImpCasts(); RefExpr = Base; IsArrayExpr = OMPArraySection; } } ELoc = RefExpr->getExprLoc(); ERange = RefExpr->getSourceRange(); RefExpr = RefExpr->IgnoreParenImpCasts(); auto *DE = dyn_cast_or_null(RefExpr); auto *ME = dyn_cast_or_null(RefExpr); if ((!DE || !isa(DE->getDecl())) && (S.getCurrentThisType().isNull() || !ME || !isa(ME->getBase()->IgnoreParenImpCasts()) || !isa(ME->getMemberDecl()))) { if (IsArrayExpr != NoArrayExpr) { S.Diag(ELoc, diag::err_omp_expected_base_var_name) << IsArrayExpr << ERange; } else { S.Diag(ELoc, AllowArraySection ? diag::err_omp_expected_var_name_member_expr_or_array_item : diag::err_omp_expected_var_name_member_expr) << (S.getCurrentThisType().isNull() ? 0 : 1) << ERange; } return std::make_pair(nullptr, false); } return std::make_pair( getCanonicalDecl(DE ? DE->getDecl() : ME->getMemberDecl()), false); } static void checkAllocateClauses(Sema &S, DSAStackTy *Stack, ArrayRef Clauses) { assert(!S.CurContext->isDependentContext() && "Expected non-dependent context."); auto AllocateRange = llvm::make_filter_range(Clauses, OMPAllocateClause::classof); llvm::DenseMap, CanonicalDeclPtr> DeclToCopy; auto PrivateRange = llvm::make_filter_range(Clauses, [](const OMPClause *C) { return isOpenMPPrivate(C->getClauseKind()); }); for (OMPClause *Cl : PrivateRange) { MutableArrayRef::iterator I, It, Et; if (Cl->getClauseKind() == OMPC_private) { auto *PC = cast(Cl); I = PC->private_copies().begin(); It = PC->varlist_begin(); Et = PC->varlist_end(); } else if (Cl->getClauseKind() == OMPC_firstprivate) { auto *PC = cast(Cl); I = PC->private_copies().begin(); It = PC->varlist_begin(); Et = PC->varlist_end(); } else if (Cl->getClauseKind() == OMPC_lastprivate) { auto *PC = cast(Cl); I = PC->private_copies().begin(); It = PC->varlist_begin(); Et = PC->varlist_end(); } else if (Cl->getClauseKind() == OMPC_linear) { auto *PC = cast(Cl); I = PC->privates().begin(); It = PC->varlist_begin(); Et = PC->varlist_end(); } else if (Cl->getClauseKind() == OMPC_reduction) { auto *PC = cast(Cl); I = PC->privates().begin(); It = PC->varlist_begin(); Et = PC->varlist_end(); } else if (Cl->getClauseKind() == OMPC_task_reduction) { auto *PC = cast(Cl); I = PC->privates().begin(); It = PC->varlist_begin(); Et = PC->varlist_end(); } else if (Cl->getClauseKind() == OMPC_in_reduction) { auto *PC = cast(Cl); I = PC->privates().begin(); It = PC->varlist_begin(); Et = PC->varlist_end(); } else { llvm_unreachable("Expected private clause."); } for (Expr *E : llvm::make_range(It, Et)) { if (!*I) { ++I; continue; } SourceLocation ELoc; SourceRange ERange; Expr *SimpleRefExpr = E; auto Res = getPrivateItem(S, SimpleRefExpr, ELoc, ERange, /*AllowArraySection=*/true); DeclToCopy.try_emplace(Res.first, cast(cast(*I)->getDecl())); ++I; } } for (OMPClause *C : AllocateRange) { auto *AC = cast(C); OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind = getAllocatorKind(S, Stack, AC->getAllocator()); // OpenMP, 2.11.4 allocate Clause, Restrictions. // For task, taskloop or target directives, allocation requests to memory // allocators with the trait access set to thread result in unspecified // behavior. if (AllocatorKind == OMPAllocateDeclAttr::OMPThreadMemAlloc && (isOpenMPTaskingDirective(Stack->getCurrentDirective()) || isOpenMPTargetExecutionDirective(Stack->getCurrentDirective()))) { S.Diag(AC->getAllocator()->getExprLoc(), diag::warn_omp_allocate_thread_on_task_target_directive) << getOpenMPDirectiveName(Stack->getCurrentDirective()); } for (Expr *E : AC->varlists()) { SourceLocation ELoc; SourceRange ERange; Expr *SimpleRefExpr = E; auto Res = getPrivateItem(S, SimpleRefExpr, ELoc, ERange); ValueDecl *VD = Res.first; DSAStackTy::DSAVarData Data = Stack->getTopDSA(VD, /*FromParent=*/false); if (!isOpenMPPrivate(Data.CKind)) { S.Diag(E->getExprLoc(), diag::err_omp_expected_private_copy_for_allocate); continue; } VarDecl *PrivateVD = DeclToCopy[VD]; if (checkPreviousOMPAllocateAttribute(S, Stack, E, PrivateVD, AllocatorKind, AC->getAllocator())) continue; applyOMPAllocateAttribute(S, PrivateVD, AllocatorKind, AC->getAllocator(), E->getSourceRange()); } } } StmtResult Sema::ActOnOpenMPExecutableDirective( OpenMPDirectiveKind Kind, const DeclarationNameInfo &DirName, OpenMPDirectiveKind CancelRegion, ArrayRef Clauses, Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc) { StmtResult Res = StmtError(); // First check CancelRegion which is then used in checkNestingOfRegions. if (checkCancelRegion(*this, Kind, CancelRegion, StartLoc) || checkNestingOfRegions(*this, DSAStack, Kind, DirName, CancelRegion, StartLoc)) return StmtError(); llvm::SmallVector ClausesWithImplicit; VarsWithInheritedDSAType VarsWithInheritedDSA; bool ErrorFound = false; ClausesWithImplicit.append(Clauses.begin(), Clauses.end()); if (AStmt && !CurContext->isDependentContext()) { assert(isa(AStmt) && "Captured statement expected"); // Check default data sharing attributes for referenced variables. DSAAttrChecker DSAChecker(DSAStack, *this, cast(AStmt)); int ThisCaptureLevel = getOpenMPCaptureLevels(Kind); Stmt *S = AStmt; while (--ThisCaptureLevel >= 0) S = cast(S)->getCapturedStmt(); DSAChecker.Visit(S); if (!isOpenMPTargetDataManagementDirective(Kind) && !isOpenMPTaskingDirective(Kind)) { // Visit subcaptures to generate implicit clauses for captured vars. auto *CS = cast(AStmt); SmallVector CaptureRegions; getOpenMPCaptureRegions(CaptureRegions, Kind); // Ignore outer tasking regions for target directives. if (CaptureRegions.size() > 1 && CaptureRegions.front() == OMPD_task) CS = cast(CS->getCapturedStmt()); DSAChecker.visitSubCaptures(CS); } if (DSAChecker.isErrorFound()) return StmtError(); // Generate list of implicitly defined firstprivate variables. VarsWithInheritedDSA = DSAChecker.getVarsWithInheritedDSA(); SmallVector ImplicitFirstprivates( DSAChecker.getImplicitFirstprivate().begin(), DSAChecker.getImplicitFirstprivate().end()); SmallVector ImplicitMaps(DSAChecker.getImplicitMap().begin(), DSAChecker.getImplicitMap().end()); // Mark taskgroup task_reduction descriptors as implicitly firstprivate. for (OMPClause *C : Clauses) { if (auto *IRC = dyn_cast(C)) { for (Expr *E : IRC->taskgroup_descriptors()) if (E) ImplicitFirstprivates.emplace_back(E); } } if (!ImplicitFirstprivates.empty()) { if (OMPClause *Implicit = ActOnOpenMPFirstprivateClause( ImplicitFirstprivates, SourceLocation(), SourceLocation(), SourceLocation())) { ClausesWithImplicit.push_back(Implicit); ErrorFound = cast(Implicit)->varlist_size() != ImplicitFirstprivates.size(); } else { ErrorFound = true; } } if (!ImplicitMaps.empty()) { CXXScopeSpec MapperIdScopeSpec; DeclarationNameInfo MapperId; if (OMPClause *Implicit = ActOnOpenMPMapClause( llvm::None, llvm::None, MapperIdScopeSpec, MapperId, OMPC_MAP_tofrom, /*IsMapTypeImplicit=*/true, SourceLocation(), SourceLocation(), ImplicitMaps, OMPVarListLocTy())) { ClausesWithImplicit.emplace_back(Implicit); ErrorFound |= cast(Implicit)->varlist_size() != ImplicitMaps.size(); } else { ErrorFound = true; } } } llvm::SmallVector AllowedNameModifiers; switch (Kind) { case OMPD_parallel: Res = ActOnOpenMPParallelDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc); AllowedNameModifiers.push_back(OMPD_parallel); break; case OMPD_simd: Res = ActOnOpenMPSimdDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); break; case OMPD_for: Res = ActOnOpenMPForDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); break; case OMPD_for_simd: Res = ActOnOpenMPForSimdDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); break; case OMPD_sections: Res = ActOnOpenMPSectionsDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc); break; case OMPD_section: assert(ClausesWithImplicit.empty() && "No clauses are allowed for 'omp section' directive"); Res = ActOnOpenMPSectionDirective(AStmt, StartLoc, EndLoc); break; case OMPD_single: Res = ActOnOpenMPSingleDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc); break; case OMPD_master: assert(ClausesWithImplicit.empty() && "No clauses are allowed for 'omp master' directive"); Res = ActOnOpenMPMasterDirective(AStmt, StartLoc, EndLoc); break; case OMPD_critical: Res = ActOnOpenMPCriticalDirective(DirName, ClausesWithImplicit, AStmt, StartLoc, EndLoc); break; case OMPD_parallel_for: Res = ActOnOpenMPParallelForDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); AllowedNameModifiers.push_back(OMPD_parallel); break; case OMPD_parallel_for_simd: Res = ActOnOpenMPParallelForSimdDirective( ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); AllowedNameModifiers.push_back(OMPD_parallel); break; case OMPD_parallel_sections: Res = ActOnOpenMPParallelSectionsDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc); AllowedNameModifiers.push_back(OMPD_parallel); break; case OMPD_task: Res = ActOnOpenMPTaskDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc); AllowedNameModifiers.push_back(OMPD_task); break; case OMPD_taskyield: assert(ClausesWithImplicit.empty() && "No clauses are allowed for 'omp taskyield' directive"); assert(AStmt == nullptr && "No associated statement allowed for 'omp taskyield' directive"); Res = ActOnOpenMPTaskyieldDirective(StartLoc, EndLoc); break; case OMPD_barrier: assert(ClausesWithImplicit.empty() && "No clauses are allowed for 'omp barrier' directive"); assert(AStmt == nullptr && "No associated statement allowed for 'omp barrier' directive"); Res = ActOnOpenMPBarrierDirective(StartLoc, EndLoc); break; case OMPD_taskwait: assert(ClausesWithImplicit.empty() && "No clauses are allowed for 'omp taskwait' directive"); assert(AStmt == nullptr && "No associated statement allowed for 'omp taskwait' directive"); Res = ActOnOpenMPTaskwaitDirective(StartLoc, EndLoc); break; case OMPD_taskgroup: Res = ActOnOpenMPTaskgroupDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc); break; case OMPD_flush: assert(AStmt == nullptr && "No associated statement allowed for 'omp flush' directive"); Res = ActOnOpenMPFlushDirective(ClausesWithImplicit, StartLoc, EndLoc); break; case OMPD_ordered: Res = ActOnOpenMPOrderedDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc); break; case OMPD_atomic: Res = ActOnOpenMPAtomicDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc); break; case OMPD_teams: Res = ActOnOpenMPTeamsDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc); break; case OMPD_target: Res = ActOnOpenMPTargetDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc); AllowedNameModifiers.push_back(OMPD_target); break; case OMPD_target_parallel: Res = ActOnOpenMPTargetParallelDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc); AllowedNameModifiers.push_back(OMPD_target); AllowedNameModifiers.push_back(OMPD_parallel); break; case OMPD_target_parallel_for: Res = ActOnOpenMPTargetParallelForDirective( ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); AllowedNameModifiers.push_back(OMPD_target); AllowedNameModifiers.push_back(OMPD_parallel); break; case OMPD_cancellation_point: assert(ClausesWithImplicit.empty() && "No clauses are allowed for 'omp cancellation point' directive"); assert(AStmt == nullptr && "No associated statement allowed for 'omp " "cancellation point' directive"); Res = ActOnOpenMPCancellationPointDirective(StartLoc, EndLoc, CancelRegion); break; case OMPD_cancel: assert(AStmt == nullptr && "No associated statement allowed for 'omp cancel' directive"); Res = ActOnOpenMPCancelDirective(ClausesWithImplicit, StartLoc, EndLoc, CancelRegion); AllowedNameModifiers.push_back(OMPD_cancel); break; case OMPD_target_data: Res = ActOnOpenMPTargetDataDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc); AllowedNameModifiers.push_back(OMPD_target_data); break; case OMPD_target_enter_data: Res = ActOnOpenMPTargetEnterDataDirective(ClausesWithImplicit, StartLoc, EndLoc, AStmt); AllowedNameModifiers.push_back(OMPD_target_enter_data); break; case OMPD_target_exit_data: Res = ActOnOpenMPTargetExitDataDirective(ClausesWithImplicit, StartLoc, EndLoc, AStmt); AllowedNameModifiers.push_back(OMPD_target_exit_data); break; case OMPD_taskloop: Res = ActOnOpenMPTaskLoopDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); AllowedNameModifiers.push_back(OMPD_taskloop); break; case OMPD_taskloop_simd: Res = ActOnOpenMPTaskLoopSimdDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); AllowedNameModifiers.push_back(OMPD_taskloop); break; case OMPD_distribute: Res = ActOnOpenMPDistributeDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); break; case OMPD_target_update: Res = ActOnOpenMPTargetUpdateDirective(ClausesWithImplicit, StartLoc, EndLoc, AStmt); AllowedNameModifiers.push_back(OMPD_target_update); break; case OMPD_distribute_parallel_for: Res = ActOnOpenMPDistributeParallelForDirective( ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); AllowedNameModifiers.push_back(OMPD_parallel); break; case OMPD_distribute_parallel_for_simd: Res = ActOnOpenMPDistributeParallelForSimdDirective( ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); AllowedNameModifiers.push_back(OMPD_parallel); break; case OMPD_distribute_simd: Res = ActOnOpenMPDistributeSimdDirective( ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); break; case OMPD_target_parallel_for_simd: Res = ActOnOpenMPTargetParallelForSimdDirective( ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); AllowedNameModifiers.push_back(OMPD_target); AllowedNameModifiers.push_back(OMPD_parallel); break; case OMPD_target_simd: Res = ActOnOpenMPTargetSimdDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); AllowedNameModifiers.push_back(OMPD_target); break; case OMPD_teams_distribute: Res = ActOnOpenMPTeamsDistributeDirective( ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); break; case OMPD_teams_distribute_simd: Res = ActOnOpenMPTeamsDistributeSimdDirective( ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); break; case OMPD_teams_distribute_parallel_for_simd: Res = ActOnOpenMPTeamsDistributeParallelForSimdDirective( ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); AllowedNameModifiers.push_back(OMPD_parallel); break; case OMPD_teams_distribute_parallel_for: Res = ActOnOpenMPTeamsDistributeParallelForDirective( ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); AllowedNameModifiers.push_back(OMPD_parallel); break; case OMPD_target_teams: Res = ActOnOpenMPTargetTeamsDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc); AllowedNameModifiers.push_back(OMPD_target); break; case OMPD_target_teams_distribute: Res = ActOnOpenMPTargetTeamsDistributeDirective( ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); AllowedNameModifiers.push_back(OMPD_target); break; case OMPD_target_teams_distribute_parallel_for: Res = ActOnOpenMPTargetTeamsDistributeParallelForDirective( ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); AllowedNameModifiers.push_back(OMPD_target); AllowedNameModifiers.push_back(OMPD_parallel); break; case OMPD_target_teams_distribute_parallel_for_simd: Res = ActOnOpenMPTargetTeamsDistributeParallelForSimdDirective( ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); AllowedNameModifiers.push_back(OMPD_target); AllowedNameModifiers.push_back(OMPD_parallel); break; case OMPD_target_teams_distribute_simd: Res = ActOnOpenMPTargetTeamsDistributeSimdDirective( ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); AllowedNameModifiers.push_back(OMPD_target); break; case OMPD_declare_target: case OMPD_end_declare_target: case OMPD_threadprivate: case OMPD_allocate: case OMPD_declare_reduction: case OMPD_declare_mapper: case OMPD_declare_simd: case OMPD_requires: llvm_unreachable("OpenMP Directive is not allowed"); case OMPD_unknown: llvm_unreachable("Unknown OpenMP directive"); } ErrorFound = Res.isInvalid() || ErrorFound; // Check variables in the clauses if default(none) was specified. if (DSAStack->getDefaultDSA() == DSA_none) { DSAAttrChecker DSAChecker(DSAStack, *this, nullptr); for (OMPClause *C : Clauses) { switch (C->getClauseKind()) { case OMPC_num_threads: case OMPC_dist_schedule: // Do not analyse if no parent teams directive. if (isOpenMPTeamsDirective(DSAStack->getCurrentDirective())) break; continue; case OMPC_if: if (isOpenMPTeamsDirective(DSAStack->getCurrentDirective()) && cast(C)->getNameModifier() != OMPD_target) break; continue; case OMPC_schedule: break; case OMPC_ordered: case OMPC_device: case OMPC_num_teams: case OMPC_thread_limit: case OMPC_priority: case OMPC_grainsize: case OMPC_num_tasks: case OMPC_hint: case OMPC_collapse: case OMPC_safelen: case OMPC_simdlen: case OMPC_final: case OMPC_default: case OMPC_proc_bind: case OMPC_private: case OMPC_firstprivate: case OMPC_lastprivate: case OMPC_shared: case OMPC_reduction: case OMPC_task_reduction: case OMPC_in_reduction: case OMPC_linear: case OMPC_aligned: case OMPC_copyin: case OMPC_copyprivate: case OMPC_nowait: case OMPC_untied: case OMPC_mergeable: case OMPC_allocate: case OMPC_read: case OMPC_write: case OMPC_update: case OMPC_capture: case OMPC_seq_cst: case OMPC_depend: case OMPC_threads: case OMPC_simd: case OMPC_map: case OMPC_nogroup: case OMPC_defaultmap: case OMPC_to: case OMPC_from: case OMPC_use_device_ptr: case OMPC_is_device_ptr: continue; case OMPC_allocator: case OMPC_flush: case OMPC_threadprivate: case OMPC_uniform: case OMPC_unknown: case OMPC_unified_address: case OMPC_unified_shared_memory: case OMPC_reverse_offload: case OMPC_dynamic_allocators: case OMPC_atomic_default_mem_order: llvm_unreachable("Unexpected clause"); } for (Stmt *CC : C->children()) { if (CC) DSAChecker.Visit(CC); } } for (auto &P : DSAChecker.getVarsWithInheritedDSA()) VarsWithInheritedDSA[P.getFirst()] = P.getSecond(); } for (const auto &P : VarsWithInheritedDSA) { if (P.getFirst()->isImplicit() || isa(P.getFirst())) continue; ErrorFound = true; Diag(P.second->getExprLoc(), diag::err_omp_no_dsa_for_variable) << P.first << P.second->getSourceRange(); Diag(DSAStack->getDefaultDSALocation(), diag::note_omp_default_dsa_none); } if (!AllowedNameModifiers.empty()) ErrorFound = checkIfClauses(*this, Kind, Clauses, AllowedNameModifiers) || ErrorFound; if (ErrorFound) return StmtError(); if (!(Res.getAs()->isStandaloneDirective())) { Res.getAs() ->getStructuredBlock() ->setIsOMPStructuredBlock(true); } if (!CurContext->isDependentContext() && isOpenMPTargetExecutionDirective(Kind) && !(DSAStack->hasRequiresDeclWithClause() || DSAStack->hasRequiresDeclWithClause() || DSAStack->hasRequiresDeclWithClause() || DSAStack->hasRequiresDeclWithClause())) { // Register target to DSA Stack. DSAStack->addTargetDirLocation(StartLoc); } return Res; } Sema::DeclGroupPtrTy Sema::ActOnOpenMPDeclareSimdDirective( DeclGroupPtrTy DG, OMPDeclareSimdDeclAttr::BranchStateTy BS, Expr *Simdlen, ArrayRef Uniforms, ArrayRef Aligneds, ArrayRef Alignments, ArrayRef Linears, ArrayRef LinModifiers, ArrayRef Steps, SourceRange SR) { assert(Aligneds.size() == Alignments.size()); assert(Linears.size() == LinModifiers.size()); assert(Linears.size() == Steps.size()); if (!DG || DG.get().isNull()) return DeclGroupPtrTy(); if (!DG.get().isSingleDecl()) { Diag(SR.getBegin(), diag::err_omp_single_decl_in_declare_simd); return DG; } Decl *ADecl = DG.get().getSingleDecl(); if (auto *FTD = dyn_cast(ADecl)) ADecl = FTD->getTemplatedDecl(); auto *FD = dyn_cast(ADecl); if (!FD) { Diag(ADecl->getLocation(), diag::err_omp_function_expected); return DeclGroupPtrTy(); } // OpenMP [2.8.2, declare simd construct, Description] // The parameter of the simdlen clause must be a constant positive integer // expression. ExprResult SL; if (Simdlen) SL = VerifyPositiveIntegerConstantInClause(Simdlen, OMPC_simdlen); // OpenMP [2.8.2, declare simd construct, Description] // The special this pointer can be used as if was one of the arguments to the // function in any of the linear, aligned, or uniform clauses. // The uniform clause declares one or more arguments to have an invariant // value for all concurrent invocations of the function in the execution of a // single SIMD loop. llvm::DenseMap UniformedArgs; const Expr *UniformedLinearThis = nullptr; for (const Expr *E : Uniforms) { E = E->IgnoreParenImpCasts(); if (const auto *DRE = dyn_cast(E)) if (const auto *PVD = dyn_cast(DRE->getDecl())) if (FD->getNumParams() > PVD->getFunctionScopeIndex() && FD->getParamDecl(PVD->getFunctionScopeIndex()) ->getCanonicalDecl() == PVD->getCanonicalDecl()) { UniformedArgs.try_emplace(PVD->getCanonicalDecl(), E); continue; } if (isa(E)) { UniformedLinearThis = E; continue; } Diag(E->getExprLoc(), diag::err_omp_param_or_this_in_clause) << FD->getDeclName() << (isa(ADecl) ? 1 : 0); } // OpenMP [2.8.2, declare simd construct, Description] // The aligned clause declares that the object to which each list item points // is aligned to the number of bytes expressed in the optional parameter of // the aligned clause. // The special this pointer can be used as if was one of the arguments to the // function in any of the linear, aligned, or uniform clauses. // The type of list items appearing in the aligned clause must be array, // pointer, reference to array, or reference to pointer. llvm::DenseMap AlignedArgs; const Expr *AlignedThis = nullptr; for (const Expr *E : Aligneds) { E = E->IgnoreParenImpCasts(); if (const auto *DRE = dyn_cast(E)) if (const auto *PVD = dyn_cast(DRE->getDecl())) { const VarDecl *CanonPVD = PVD->getCanonicalDecl(); if (FD->getNumParams() > PVD->getFunctionScopeIndex() && FD->getParamDecl(PVD->getFunctionScopeIndex()) ->getCanonicalDecl() == CanonPVD) { // OpenMP [2.8.1, simd construct, Restrictions] // A list-item cannot appear in more than one aligned clause. if (AlignedArgs.count(CanonPVD) > 0) { Diag(E->getExprLoc(), diag::err_omp_aligned_twice) << 1 << E->getSourceRange(); Diag(AlignedArgs[CanonPVD]->getExprLoc(), diag::note_omp_explicit_dsa) << getOpenMPClauseName(OMPC_aligned); continue; } AlignedArgs[CanonPVD] = E; QualType QTy = PVD->getType() .getNonReferenceType() .getUnqualifiedType() .getCanonicalType(); const Type *Ty = QTy.getTypePtrOrNull(); if (!Ty || (!Ty->isArrayType() && !Ty->isPointerType())) { Diag(E->getExprLoc(), diag::err_omp_aligned_expected_array_or_ptr) << QTy << getLangOpts().CPlusPlus << E->getSourceRange(); Diag(PVD->getLocation(), diag::note_previous_decl) << PVD; } continue; } } if (isa(E)) { if (AlignedThis) { Diag(E->getExprLoc(), diag::err_omp_aligned_twice) << 2 << E->getSourceRange(); Diag(AlignedThis->getExprLoc(), diag::note_omp_explicit_dsa) << getOpenMPClauseName(OMPC_aligned); } AlignedThis = E; continue; } Diag(E->getExprLoc(), diag::err_omp_param_or_this_in_clause) << FD->getDeclName() << (isa(ADecl) ? 1 : 0); } // The optional parameter of the aligned clause, alignment, must be a constant // positive integer expression. If no optional parameter is specified, // implementation-defined default alignments for SIMD instructions on the // target platforms are assumed. SmallVector NewAligns; for (Expr *E : Alignments) { ExprResult Align; if (E) Align = VerifyPositiveIntegerConstantInClause(E, OMPC_aligned); NewAligns.push_back(Align.get()); } // OpenMP [2.8.2, declare simd construct, Description] // The linear clause declares one or more list items to be private to a SIMD // lane and to have a linear relationship with respect to the iteration space // of a loop. // The special this pointer can be used as if was one of the arguments to the // function in any of the linear, aligned, or uniform clauses. // When a linear-step expression is specified in a linear clause it must be // either a constant integer expression or an integer-typed parameter that is // specified in a uniform clause on the directive. llvm::DenseMap LinearArgs; const bool IsUniformedThis = UniformedLinearThis != nullptr; auto MI = LinModifiers.begin(); for (const Expr *E : Linears) { auto LinKind = static_cast(*MI); ++MI; E = E->IgnoreParenImpCasts(); if (const auto *DRE = dyn_cast(E)) if (const auto *PVD = dyn_cast(DRE->getDecl())) { const VarDecl *CanonPVD = PVD->getCanonicalDecl(); if (FD->getNumParams() > PVD->getFunctionScopeIndex() && FD->getParamDecl(PVD->getFunctionScopeIndex()) ->getCanonicalDecl() == CanonPVD) { // OpenMP [2.15.3.7, linear Clause, Restrictions] // A list-item cannot appear in more than one linear clause. if (LinearArgs.count(CanonPVD) > 0) { Diag(E->getExprLoc(), diag::err_omp_wrong_dsa) << getOpenMPClauseName(OMPC_linear) << getOpenMPClauseName(OMPC_linear) << E->getSourceRange(); Diag(LinearArgs[CanonPVD]->getExprLoc(), diag::note_omp_explicit_dsa) << getOpenMPClauseName(OMPC_linear); continue; } // Each argument can appear in at most one uniform or linear clause. if (UniformedArgs.count(CanonPVD) > 0) { Diag(E->getExprLoc(), diag::err_omp_wrong_dsa) << getOpenMPClauseName(OMPC_linear) << getOpenMPClauseName(OMPC_uniform) << E->getSourceRange(); Diag(UniformedArgs[CanonPVD]->getExprLoc(), diag::note_omp_explicit_dsa) << getOpenMPClauseName(OMPC_uniform); continue; } LinearArgs[CanonPVD] = E; if (E->isValueDependent() || E->isTypeDependent() || E->isInstantiationDependent() || E->containsUnexpandedParameterPack()) continue; (void)CheckOpenMPLinearDecl(CanonPVD, E->getExprLoc(), LinKind, PVD->getOriginalType()); continue; } } if (isa(E)) { if (UniformedLinearThis) { Diag(E->getExprLoc(), diag::err_omp_wrong_dsa) << getOpenMPClauseName(OMPC_linear) << getOpenMPClauseName(IsUniformedThis ? OMPC_uniform : OMPC_linear) << E->getSourceRange(); Diag(UniformedLinearThis->getExprLoc(), diag::note_omp_explicit_dsa) << getOpenMPClauseName(IsUniformedThis ? OMPC_uniform : OMPC_linear); continue; } UniformedLinearThis = E; if (E->isValueDependent() || E->isTypeDependent() || E->isInstantiationDependent() || E->containsUnexpandedParameterPack()) continue; (void)CheckOpenMPLinearDecl(/*D=*/nullptr, E->getExprLoc(), LinKind, E->getType()); continue; } Diag(E->getExprLoc(), diag::err_omp_param_or_this_in_clause) << FD->getDeclName() << (isa(ADecl) ? 1 : 0); } Expr *Step = nullptr; Expr *NewStep = nullptr; SmallVector NewSteps; for (Expr *E : Steps) { // Skip the same step expression, it was checked already. if (Step == E || !E) { NewSteps.push_back(E ? NewStep : nullptr); continue; } Step = E; if (const auto *DRE = dyn_cast(Step)) if (const auto *PVD = dyn_cast(DRE->getDecl())) { const VarDecl *CanonPVD = PVD->getCanonicalDecl(); if (UniformedArgs.count(CanonPVD) == 0) { Diag(Step->getExprLoc(), diag::err_omp_expected_uniform_param) << Step->getSourceRange(); } else if (E->isValueDependent() || E->isTypeDependent() || E->isInstantiationDependent() || E->containsUnexpandedParameterPack() || CanonPVD->getType()->hasIntegerRepresentation()) { NewSteps.push_back(Step); } else { Diag(Step->getExprLoc(), diag::err_omp_expected_int_param) << Step->getSourceRange(); } continue; } NewStep = Step; if (Step && !Step->isValueDependent() && !Step->isTypeDependent() && !Step->isInstantiationDependent() && !Step->containsUnexpandedParameterPack()) { NewStep = PerformOpenMPImplicitIntegerConversion(Step->getExprLoc(), Step) .get(); if (NewStep) NewStep = VerifyIntegerConstantExpression(NewStep).get(); } NewSteps.push_back(NewStep); } auto *NewAttr = OMPDeclareSimdDeclAttr::CreateImplicit( Context, BS, SL.get(), const_cast(Uniforms.data()), Uniforms.size(), const_cast(Aligneds.data()), Aligneds.size(), const_cast(NewAligns.data()), NewAligns.size(), const_cast(Linears.data()), Linears.size(), const_cast(LinModifiers.data()), LinModifiers.size(), NewSteps.data(), NewSteps.size(), SR); ADecl->addAttr(NewAttr); return ConvertDeclToDeclGroup(ADecl); } StmtResult Sema::ActOnOpenMPParallelDirective(ArrayRef Clauses, Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc) { if (!AStmt) return StmtError(); auto *CS = cast(AStmt); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); setFunctionHasBranchProtectedScope(); return OMPParallelDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, DSAStack->isCancelRegion()); } namespace { /// Iteration space of a single for loop. struct LoopIterationSpace final { /// True if the condition operator is the strict compare operator (<, > or /// !=). bool IsStrictCompare = false; /// Condition of the loop. Expr *PreCond = nullptr; /// This expression calculates the number of iterations in the loop. /// It is always possible to calculate it before starting the loop. Expr *NumIterations = nullptr; /// The loop counter variable. Expr *CounterVar = nullptr; /// Private loop counter variable. Expr *PrivateCounterVar = nullptr; /// This is initializer for the initial value of #CounterVar. Expr *CounterInit = nullptr; /// This is step for the #CounterVar used to generate its update: /// #CounterVar = #CounterInit + #CounterStep * CurrentIteration. Expr *CounterStep = nullptr; /// Should step be subtracted? bool Subtract = false; /// Source range of the loop init. SourceRange InitSrcRange; /// Source range of the loop condition. SourceRange CondSrcRange; /// Source range of the loop increment. SourceRange IncSrcRange; /// Minimum value that can have the loop control variable. Used to support /// non-rectangular loops. Applied only for LCV with the non-iterator types, /// since only such variables can be used in non-loop invariant expressions. Expr *MinValue = nullptr; /// Maximum value that can have the loop control variable. Used to support /// non-rectangular loops. Applied only for LCV with the non-iterator type, /// since only such variables can be used in non-loop invariant expressions. Expr *MaxValue = nullptr; /// true, if the lower bound depends on the outer loop control var. bool IsNonRectangularLB = false; /// true, if the upper bound depends on the outer loop control var. bool IsNonRectangularUB = false; /// Index of the loop this loop depends on and forms non-rectangular loop /// nest. unsigned LoopDependentIdx = 0; /// Final condition for the non-rectangular loop nest support. It is used to /// check that the number of iterations for this particular counter must be /// finished. Expr *FinalCondition = nullptr; }; /// Helper class for checking canonical form of the OpenMP loops and /// extracting iteration space of each loop in the loop nest, that will be used /// for IR generation. class OpenMPIterationSpaceChecker { /// Reference to Sema. Sema &SemaRef; /// Data-sharing stack. DSAStackTy &Stack; /// A location for diagnostics (when there is no some better location). SourceLocation DefaultLoc; /// A location for diagnostics (when increment is not compatible). SourceLocation ConditionLoc; /// A source location for referring to loop init later. SourceRange InitSrcRange; /// A source location for referring to condition later. SourceRange ConditionSrcRange; /// A source location for referring to increment later. SourceRange IncrementSrcRange; /// Loop variable. ValueDecl *LCDecl = nullptr; /// Reference to loop variable. Expr *LCRef = nullptr; /// Lower bound (initializer for the var). Expr *LB = nullptr; /// Upper bound. Expr *UB = nullptr; /// Loop step (increment). Expr *Step = nullptr; /// This flag is true when condition is one of: /// Var < UB /// Var <= UB /// UB > Var /// UB >= Var /// This will have no value when the condition is != llvm::Optional TestIsLessOp; /// This flag is true when condition is strict ( < or > ). bool TestIsStrictOp = false; /// This flag is true when step is subtracted on each iteration. bool SubtractStep = false; /// The outer loop counter this loop depends on (if any). const ValueDecl *DepDecl = nullptr; /// Contains number of loop (starts from 1) on which loop counter init /// expression of this loop depends on. Optional InitDependOnLC; /// Contains number of loop (starts from 1) on which loop counter condition /// expression of this loop depends on. Optional CondDependOnLC; /// Checks if the provide statement depends on the loop counter. Optional doesDependOnLoopCounter(const Stmt *S, bool IsInitializer); /// Original condition required for checking of the exit condition for /// non-rectangular loop. Expr *Condition = nullptr; public: OpenMPIterationSpaceChecker(Sema &SemaRef, DSAStackTy &Stack, SourceLocation DefaultLoc) : SemaRef(SemaRef), Stack(Stack), DefaultLoc(DefaultLoc), ConditionLoc(DefaultLoc) {} /// Check init-expr for canonical loop form and save loop counter /// variable - #Var and its initialization value - #LB. bool checkAndSetInit(Stmt *S, bool EmitDiags = true); /// Check test-expr for canonical form, save upper-bound (#UB), flags /// for less/greater and for strict/non-strict comparison. bool checkAndSetCond(Expr *S); /// Check incr-expr for canonical loop form and return true if it /// does not conform, otherwise save loop step (#Step). bool checkAndSetInc(Expr *S); /// Return the loop counter variable. ValueDecl *getLoopDecl() const { return LCDecl; } /// Return the reference expression to loop counter variable. Expr *getLoopDeclRefExpr() const { return LCRef; } /// Source range of the loop init. SourceRange getInitSrcRange() const { return InitSrcRange; } /// Source range of the loop condition. SourceRange getConditionSrcRange() const { return ConditionSrcRange; } /// Source range of the loop increment. SourceRange getIncrementSrcRange() const { return IncrementSrcRange; } /// True if the step should be subtracted. bool shouldSubtractStep() const { return SubtractStep; } /// True, if the compare operator is strict (<, > or !=). bool isStrictTestOp() const { return TestIsStrictOp; } /// Build the expression to calculate the number of iterations. Expr *buildNumIterations( Scope *S, ArrayRef ResultIterSpaces, bool LimitedType, llvm::MapVector &Captures) const; /// Build the precondition expression for the loops. Expr * buildPreCond(Scope *S, Expr *Cond, llvm::MapVector &Captures) const; /// Build reference expression to the counter be used for codegen. DeclRefExpr * buildCounterVar(llvm::MapVector &Captures, DSAStackTy &DSA) const; /// Build reference expression to the private counter be used for /// codegen. Expr *buildPrivateCounterVar() const; /// Build initialization of the counter be used for codegen. Expr *buildCounterInit() const; /// Build step of the counter be used for codegen. Expr *buildCounterStep() const; /// Build loop data with counter value for depend clauses in ordered /// directives. Expr * buildOrderedLoopData(Scope *S, Expr *Counter, llvm::MapVector &Captures, SourceLocation Loc, Expr *Inc = nullptr, OverloadedOperatorKind OOK = OO_Amp); /// Builds the minimum value for the loop counter. std::pair buildMinMaxValues( Scope *S, llvm::MapVector &Captures) const; /// Builds final condition for the non-rectangular loops. Expr *buildFinalCondition(Scope *S) const; /// Return true if any expression is dependent. bool dependent() const; /// Returns true if the initializer forms non-rectangular loop. bool doesInitDependOnLC() const { return InitDependOnLC.hasValue(); } /// Returns true if the condition forms non-rectangular loop. bool doesCondDependOnLC() const { return CondDependOnLC.hasValue(); } /// Returns index of the loop we depend on (starting from 1), or 0 otherwise. unsigned getLoopDependentIdx() const { return InitDependOnLC.getValueOr(CondDependOnLC.getValueOr(0)); } private: /// Check the right-hand side of an assignment in the increment /// expression. bool checkAndSetIncRHS(Expr *RHS); /// Helper to set loop counter variable and its initializer. bool setLCDeclAndLB(ValueDecl *NewLCDecl, Expr *NewDeclRefExpr, Expr *NewLB, bool EmitDiags); /// Helper to set upper bound. bool setUB(Expr *NewUB, llvm::Optional LessOp, bool StrictOp, SourceRange SR, SourceLocation SL); /// Helper to set loop increment. bool setStep(Expr *NewStep, bool Subtract); }; bool OpenMPIterationSpaceChecker::dependent() const { if (!LCDecl) { assert(!LB && !UB && !Step); return false; } return LCDecl->getType()->isDependentType() || (LB && LB->isValueDependent()) || (UB && UB->isValueDependent()) || (Step && Step->isValueDependent()); } bool OpenMPIterationSpaceChecker::setLCDeclAndLB(ValueDecl *NewLCDecl, Expr *NewLCRefExpr, Expr *NewLB, bool EmitDiags) { // State consistency checking to ensure correct usage. assert(LCDecl == nullptr && LB == nullptr && LCRef == nullptr && UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp); if (!NewLCDecl || !NewLB) return true; LCDecl = getCanonicalDecl(NewLCDecl); LCRef = NewLCRefExpr; if (auto *CE = dyn_cast_or_null(NewLB)) if (const CXXConstructorDecl *Ctor = CE->getConstructor()) if ((Ctor->isCopyOrMoveConstructor() || Ctor->isConvertingConstructor(/*AllowExplicit=*/false)) && CE->getNumArgs() > 0 && CE->getArg(0) != nullptr) NewLB = CE->getArg(0)->IgnoreParenImpCasts(); LB = NewLB; if (EmitDiags) InitDependOnLC = doesDependOnLoopCounter(LB, /*IsInitializer=*/true); return false; } bool OpenMPIterationSpaceChecker::setUB(Expr *NewUB, llvm::Optional LessOp, bool StrictOp, SourceRange SR, SourceLocation SL) { // State consistency checking to ensure correct usage. assert(LCDecl != nullptr && LB != nullptr && UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp); if (!NewUB) return true; UB = NewUB; if (LessOp) TestIsLessOp = LessOp; TestIsStrictOp = StrictOp; ConditionSrcRange = SR; ConditionLoc = SL; CondDependOnLC = doesDependOnLoopCounter(UB, /*IsInitializer=*/false); return false; } bool OpenMPIterationSpaceChecker::setStep(Expr *NewStep, bool Subtract) { // State consistency checking to ensure correct usage. assert(LCDecl != nullptr && LB != nullptr && Step == nullptr); if (!NewStep) return true; if (!NewStep->isValueDependent()) { // Check that the step is integer expression. SourceLocation StepLoc = NewStep->getBeginLoc(); ExprResult Val = SemaRef.PerformOpenMPImplicitIntegerConversion( StepLoc, getExprAsWritten(NewStep)); if (Val.isInvalid()) return true; NewStep = Val.get(); // OpenMP [2.6, Canonical Loop Form, Restrictions] // If test-expr is of form var relational-op b and relational-op is < or // <= then incr-expr must cause var to increase on each iteration of the // loop. If test-expr is of form var relational-op b and relational-op is // > or >= then incr-expr must cause var to decrease on each iteration of // the loop. // If test-expr is of form b relational-op var and relational-op is < or // <= then incr-expr must cause var to decrease on each iteration of the // loop. If test-expr is of form b relational-op var and relational-op is // > or >= then incr-expr must cause var to increase on each iteration of // the loop. llvm::APSInt Result; bool IsConstant = NewStep->isIntegerConstantExpr(Result, SemaRef.Context); bool IsUnsigned = !NewStep->getType()->hasSignedIntegerRepresentation(); bool IsConstNeg = IsConstant && Result.isSigned() && (Subtract != Result.isNegative()); bool IsConstPos = IsConstant && Result.isSigned() && (Subtract == Result.isNegative()); bool IsConstZero = IsConstant && !Result.getBoolValue(); // != with increment is treated as <; != with decrement is treated as > if (!TestIsLessOp.hasValue()) TestIsLessOp = IsConstPos || (IsUnsigned && !Subtract); if (UB && (IsConstZero || (TestIsLessOp.getValue() ? (IsConstNeg || (IsUnsigned && Subtract)) : (IsConstPos || (IsUnsigned && !Subtract))))) { SemaRef.Diag(NewStep->getExprLoc(), diag::err_omp_loop_incr_not_compatible) << LCDecl << TestIsLessOp.getValue() << NewStep->getSourceRange(); SemaRef.Diag(ConditionLoc, diag::note_omp_loop_cond_requres_compatible_incr) << TestIsLessOp.getValue() << ConditionSrcRange; return true; } if (TestIsLessOp.getValue() == Subtract) { NewStep = SemaRef.CreateBuiltinUnaryOp(NewStep->getExprLoc(), UO_Minus, NewStep) .get(); Subtract = !Subtract; } } Step = NewStep; SubtractStep = Subtract; return false; } namespace { /// Checker for the non-rectangular loops. Checks if the initializer or /// condition expression references loop counter variable. class LoopCounterRefChecker final : public ConstStmtVisitor { Sema &SemaRef; DSAStackTy &Stack; const ValueDecl *CurLCDecl = nullptr; const ValueDecl *DepDecl = nullptr; const ValueDecl *PrevDepDecl = nullptr; bool IsInitializer = true; unsigned BaseLoopId = 0; bool checkDecl(const Expr *E, const ValueDecl *VD) { if (getCanonicalDecl(VD) == getCanonicalDecl(CurLCDecl)) { SemaRef.Diag(E->getExprLoc(), diag::err_omp_stmt_depends_on_loop_counter) << (IsInitializer ? 0 : 1); return false; } const auto &&Data = Stack.isLoopControlVariable(VD); // OpenMP, 2.9.1 Canonical Loop Form, Restrictions. // The type of the loop iterator on which we depend may not have a random // access iterator type. if (Data.first && VD->getType()->isRecordType()) { SmallString<128> Name; llvm::raw_svector_ostream OS(Name); VD->getNameForDiagnostic(OS, SemaRef.getPrintingPolicy(), /*Qualified=*/true); SemaRef.Diag(E->getExprLoc(), diag::err_omp_wrong_dependency_iterator_type) << OS.str(); SemaRef.Diag(VD->getLocation(), diag::note_previous_decl) << VD; return false; } if (Data.first && (DepDecl || (PrevDepDecl && getCanonicalDecl(VD) != getCanonicalDecl(PrevDepDecl)))) { if (!DepDecl && PrevDepDecl) DepDecl = PrevDepDecl; SmallString<128> Name; llvm::raw_svector_ostream OS(Name); DepDecl->getNameForDiagnostic(OS, SemaRef.getPrintingPolicy(), /*Qualified=*/true); SemaRef.Diag(E->getExprLoc(), diag::err_omp_invariant_or_linear_dependency) << OS.str(); return false; } if (Data.first) { DepDecl = VD; BaseLoopId = Data.first; } return Data.first; } public: bool VisitDeclRefExpr(const DeclRefExpr *E) { const ValueDecl *VD = E->getDecl(); if (isa(VD)) return checkDecl(E, VD); return false; } bool VisitMemberExpr(const MemberExpr *E) { if (isa(E->getBase()->IgnoreParens())) { const ValueDecl *VD = E->getMemberDecl(); if (isa(VD) || isa(VD)) return checkDecl(E, VD); } return false; } bool VisitStmt(const Stmt *S) { bool Res = false; for (const Stmt *Child : S->children()) Res = (Child && Visit(Child)) || Res; return Res; } explicit LoopCounterRefChecker(Sema &SemaRef, DSAStackTy &Stack, const ValueDecl *CurLCDecl, bool IsInitializer, const ValueDecl *PrevDepDecl = nullptr) : SemaRef(SemaRef), Stack(Stack), CurLCDecl(CurLCDecl), PrevDepDecl(PrevDepDecl), IsInitializer(IsInitializer) {} unsigned getBaseLoopId() const { assert(CurLCDecl && "Expected loop dependency."); return BaseLoopId; } const ValueDecl *getDepDecl() const { assert(CurLCDecl && "Expected loop dependency."); return DepDecl; } }; } // namespace Optional OpenMPIterationSpaceChecker::doesDependOnLoopCounter(const Stmt *S, bool IsInitializer) { // Check for the non-rectangular loops. LoopCounterRefChecker LoopStmtChecker(SemaRef, Stack, LCDecl, IsInitializer, DepDecl); if (LoopStmtChecker.Visit(S)) { DepDecl = LoopStmtChecker.getDepDecl(); return LoopStmtChecker.getBaseLoopId(); } return llvm::None; } bool OpenMPIterationSpaceChecker::checkAndSetInit(Stmt *S, bool EmitDiags) { // Check init-expr for canonical loop form and save loop counter // variable - #Var and its initialization value - #LB. // OpenMP [2.6] Canonical loop form. init-expr may be one of the following: // var = lb // integer-type var = lb // random-access-iterator-type var = lb // pointer-type var = lb // if (!S) { if (EmitDiags) { SemaRef.Diag(DefaultLoc, diag::err_omp_loop_not_canonical_init); } return true; } if (auto *ExprTemp = dyn_cast(S)) if (!ExprTemp->cleanupsHaveSideEffects()) S = ExprTemp->getSubExpr(); InitSrcRange = S->getSourceRange(); if (Expr *E = dyn_cast(S)) S = E->IgnoreParens(); if (auto *BO = dyn_cast(S)) { if (BO->getOpcode() == BO_Assign) { Expr *LHS = BO->getLHS()->IgnoreParens(); if (auto *DRE = dyn_cast(LHS)) { if (auto *CED = dyn_cast(DRE->getDecl())) if (auto *ME = dyn_cast(getExprAsWritten(CED->getInit()))) return setLCDeclAndLB(ME->getMemberDecl(), ME, BO->getRHS(), EmitDiags); return setLCDeclAndLB(DRE->getDecl(), DRE, BO->getRHS(), EmitDiags); } if (auto *ME = dyn_cast(LHS)) { if (ME->isArrow() && isa(ME->getBase()->IgnoreParenImpCasts())) return setLCDeclAndLB(ME->getMemberDecl(), ME, BO->getRHS(), EmitDiags); } } } else if (auto *DS = dyn_cast(S)) { if (DS->isSingleDecl()) { if (auto *Var = dyn_cast_or_null(DS->getSingleDecl())) { if (Var->hasInit() && !Var->getType()->isReferenceType()) { // Accept non-canonical init form here but emit ext. warning. if (Var->getInitStyle() != VarDecl::CInit && EmitDiags) SemaRef.Diag(S->getBeginLoc(), diag::ext_omp_loop_not_canonical_init) << S->getSourceRange(); return setLCDeclAndLB( Var, buildDeclRefExpr(SemaRef, Var, Var->getType().getNonReferenceType(), DS->getBeginLoc()), Var->getInit(), EmitDiags); } } } } else if (auto *CE = dyn_cast(S)) { if (CE->getOperator() == OO_Equal) { Expr *LHS = CE->getArg(0); if (auto *DRE = dyn_cast(LHS)) { if (auto *CED = dyn_cast(DRE->getDecl())) if (auto *ME = dyn_cast(getExprAsWritten(CED->getInit()))) return setLCDeclAndLB(ME->getMemberDecl(), ME, BO->getRHS(), EmitDiags); return setLCDeclAndLB(DRE->getDecl(), DRE, CE->getArg(1), EmitDiags); } if (auto *ME = dyn_cast(LHS)) { if (ME->isArrow() && isa(ME->getBase()->IgnoreParenImpCasts())) return setLCDeclAndLB(ME->getMemberDecl(), ME, BO->getRHS(), EmitDiags); } } } if (dependent() || SemaRef.CurContext->isDependentContext()) return false; if (EmitDiags) { SemaRef.Diag(S->getBeginLoc(), diag::err_omp_loop_not_canonical_init) << S->getSourceRange(); } return true; } /// Ignore parenthesizes, implicit casts, copy constructor and return the /// variable (which may be the loop variable) if possible. static const ValueDecl *getInitLCDecl(const Expr *E) { if (!E) return nullptr; E = getExprAsWritten(E); if (const auto *CE = dyn_cast_or_null(E)) if (const CXXConstructorDecl *Ctor = CE->getConstructor()) if ((Ctor->isCopyOrMoveConstructor() || Ctor->isConvertingConstructor(/*AllowExplicit=*/false)) && CE->getNumArgs() > 0 && CE->getArg(0) != nullptr) E = CE->getArg(0)->IgnoreParenImpCasts(); if (const auto *DRE = dyn_cast_or_null(E)) { if (const auto *VD = dyn_cast(DRE->getDecl())) return getCanonicalDecl(VD); } if (const auto *ME = dyn_cast_or_null(E)) if (ME->isArrow() && isa(ME->getBase()->IgnoreParenImpCasts())) return getCanonicalDecl(ME->getMemberDecl()); return nullptr; } bool OpenMPIterationSpaceChecker::checkAndSetCond(Expr *S) { // Check test-expr for canonical form, save upper-bound UB, flags for // less/greater and for strict/non-strict comparison. // OpenMP [2.6] Canonical loop form. Test-expr may be one of the following: // var relational-op b // b relational-op var // if (!S) { SemaRef.Diag(DefaultLoc, diag::err_omp_loop_not_canonical_cond) << LCDecl; return true; } Condition = S; S = getExprAsWritten(S); SourceLocation CondLoc = S->getBeginLoc(); if (auto *BO = dyn_cast(S)) { if (BO->isRelationalOp()) { if (getInitLCDecl(BO->getLHS()) == LCDecl) return setUB(BO->getRHS(), (BO->getOpcode() == BO_LT || BO->getOpcode() == BO_LE), (BO->getOpcode() == BO_LT || BO->getOpcode() == BO_GT), BO->getSourceRange(), BO->getOperatorLoc()); if (getInitLCDecl(BO->getRHS()) == LCDecl) return setUB(BO->getLHS(), (BO->getOpcode() == BO_GT || BO->getOpcode() == BO_GE), (BO->getOpcode() == BO_LT || BO->getOpcode() == BO_GT), BO->getSourceRange(), BO->getOperatorLoc()); } else if (BO->getOpcode() == BO_NE) return setUB(getInitLCDecl(BO->getLHS()) == LCDecl ? BO->getRHS() : BO->getLHS(), /*LessOp=*/llvm::None, /*StrictOp=*/true, BO->getSourceRange(), BO->getOperatorLoc()); } else if (auto *CE = dyn_cast(S)) { if (CE->getNumArgs() == 2) { auto Op = CE->getOperator(); switch (Op) { case OO_Greater: case OO_GreaterEqual: case OO_Less: case OO_LessEqual: if (getInitLCDecl(CE->getArg(0)) == LCDecl) return setUB(CE->getArg(1), Op == OO_Less || Op == OO_LessEqual, Op == OO_Less || Op == OO_Greater, CE->getSourceRange(), CE->getOperatorLoc()); if (getInitLCDecl(CE->getArg(1)) == LCDecl) return setUB(CE->getArg(0), Op == OO_Greater || Op == OO_GreaterEqual, Op == OO_Less || Op == OO_Greater, CE->getSourceRange(), CE->getOperatorLoc()); break; case OO_ExclaimEqual: return setUB(getInitLCDecl(CE->getArg(0)) == LCDecl ? CE->getArg(1) : CE->getArg(0), /*LessOp=*/llvm::None, /*StrictOp=*/true, CE->getSourceRange(), CE->getOperatorLoc()); break; default: break; } } } if (dependent() || SemaRef.CurContext->isDependentContext()) return false; SemaRef.Diag(CondLoc, diag::err_omp_loop_not_canonical_cond) << S->getSourceRange() << LCDecl; return true; } bool OpenMPIterationSpaceChecker::checkAndSetIncRHS(Expr *RHS) { // RHS of canonical loop form increment can be: // var + incr // incr + var // var - incr // RHS = RHS->IgnoreParenImpCasts(); if (auto *BO = dyn_cast(RHS)) { if (BO->isAdditiveOp()) { bool IsAdd = BO->getOpcode() == BO_Add; if (getInitLCDecl(BO->getLHS()) == LCDecl) return setStep(BO->getRHS(), !IsAdd); if (IsAdd && getInitLCDecl(BO->getRHS()) == LCDecl) return setStep(BO->getLHS(), /*Subtract=*/false); } } else if (auto *CE = dyn_cast(RHS)) { bool IsAdd = CE->getOperator() == OO_Plus; if ((IsAdd || CE->getOperator() == OO_Minus) && CE->getNumArgs() == 2) { if (getInitLCDecl(CE->getArg(0)) == LCDecl) return setStep(CE->getArg(1), !IsAdd); if (IsAdd && getInitLCDecl(CE->getArg(1)) == LCDecl) return setStep(CE->getArg(0), /*Subtract=*/false); } } if (dependent() || SemaRef.CurContext->isDependentContext()) return false; SemaRef.Diag(RHS->getBeginLoc(), diag::err_omp_loop_not_canonical_incr) << RHS->getSourceRange() << LCDecl; return true; } bool OpenMPIterationSpaceChecker::checkAndSetInc(Expr *S) { // Check incr-expr for canonical loop form and return true if it // does not conform. // OpenMP [2.6] Canonical loop form. Test-expr may be one of the following: // ++var // var++ // --var // var-- // var += incr // var -= incr // var = var + incr // var = incr + var // var = var - incr // if (!S) { SemaRef.Diag(DefaultLoc, diag::err_omp_loop_not_canonical_incr) << LCDecl; return true; } if (auto *ExprTemp = dyn_cast(S)) if (!ExprTemp->cleanupsHaveSideEffects()) S = ExprTemp->getSubExpr(); IncrementSrcRange = S->getSourceRange(); S = S->IgnoreParens(); if (auto *UO = dyn_cast(S)) { if (UO->isIncrementDecrementOp() && getInitLCDecl(UO->getSubExpr()) == LCDecl) return setStep(SemaRef .ActOnIntegerConstant(UO->getBeginLoc(), (UO->isDecrementOp() ? -1 : 1)) .get(), /*Subtract=*/false); } else if (auto *BO = dyn_cast(S)) { switch (BO->getOpcode()) { case BO_AddAssign: case BO_SubAssign: if (getInitLCDecl(BO->getLHS()) == LCDecl) return setStep(BO->getRHS(), BO->getOpcode() == BO_SubAssign); break; case BO_Assign: if (getInitLCDecl(BO->getLHS()) == LCDecl) return checkAndSetIncRHS(BO->getRHS()); break; default: break; } } else if (auto *CE = dyn_cast(S)) { switch (CE->getOperator()) { case OO_PlusPlus: case OO_MinusMinus: if (getInitLCDecl(CE->getArg(0)) == LCDecl) return setStep(SemaRef .ActOnIntegerConstant( CE->getBeginLoc(), ((CE->getOperator() == OO_MinusMinus) ? -1 : 1)) .get(), /*Subtract=*/false); break; case OO_PlusEqual: case OO_MinusEqual: if (getInitLCDecl(CE->getArg(0)) == LCDecl) return setStep(CE->getArg(1), CE->getOperator() == OO_MinusEqual); break; case OO_Equal: if (getInitLCDecl(CE->getArg(0)) == LCDecl) return checkAndSetIncRHS(CE->getArg(1)); break; default: break; } } if (dependent() || SemaRef.CurContext->isDependentContext()) return false; SemaRef.Diag(S->getBeginLoc(), diag::err_omp_loop_not_canonical_incr) << S->getSourceRange() << LCDecl; return true; } static ExprResult tryBuildCapture(Sema &SemaRef, Expr *Capture, llvm::MapVector &Captures) { if (SemaRef.CurContext->isDependentContext()) return ExprResult(Capture); if (Capture->isEvaluatable(SemaRef.Context, Expr::SE_AllowSideEffects)) return SemaRef.PerformImplicitConversion( Capture->IgnoreImpCasts(), Capture->getType(), Sema::AA_Converting, /*AllowExplicit=*/true); auto I = Captures.find(Capture); if (I != Captures.end()) return buildCapture(SemaRef, Capture, I->second); DeclRefExpr *Ref = nullptr; ExprResult Res = buildCapture(SemaRef, Capture, Ref); Captures[Capture] = Ref; return Res; } /// Build the expression to calculate the number of iterations. Expr *OpenMPIterationSpaceChecker::buildNumIterations( Scope *S, ArrayRef ResultIterSpaces, bool LimitedType, llvm::MapVector &Captures) const { ExprResult Diff; QualType VarType = LCDecl->getType().getNonReferenceType(); if (VarType->isIntegerType() || VarType->isPointerType() || SemaRef.getLangOpts().CPlusPlus) { Expr *LBVal = LB; Expr *UBVal = UB; // LB = TestIsLessOp.getValue() ? min(LB(MinVal), LB(MaxVal)) : // max(LB(MinVal), LB(MaxVal)) if (InitDependOnLC) { const LoopIterationSpace &IS = ResultIterSpaces[ResultIterSpaces.size() - 1 - InitDependOnLC.getValueOr( CondDependOnLC.getValueOr(0))]; if (!IS.MinValue || !IS.MaxValue) return nullptr; // OuterVar = Min ExprResult MinValue = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, IS.MinValue); if (!MinValue.isUsable()) return nullptr; ExprResult LBMinVal = SemaRef.BuildBinOp(S, DefaultLoc, BO_Assign, IS.CounterVar, MinValue.get()); if (!LBMinVal.isUsable()) return nullptr; // OuterVar = Min, LBVal LBMinVal = SemaRef.BuildBinOp(S, DefaultLoc, BO_Comma, LBMinVal.get(), LBVal); if (!LBMinVal.isUsable()) return nullptr; // (OuterVar = Min, LBVal) LBMinVal = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, LBMinVal.get()); if (!LBMinVal.isUsable()) return nullptr; // OuterVar = Max ExprResult MaxValue = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, IS.MaxValue); if (!MaxValue.isUsable()) return nullptr; ExprResult LBMaxVal = SemaRef.BuildBinOp(S, DefaultLoc, BO_Assign, IS.CounterVar, MaxValue.get()); if (!LBMaxVal.isUsable()) return nullptr; // OuterVar = Max, LBVal LBMaxVal = SemaRef.BuildBinOp(S, DefaultLoc, BO_Comma, LBMaxVal.get(), LBVal); if (!LBMaxVal.isUsable()) return nullptr; // (OuterVar = Max, LBVal) LBMaxVal = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, LBMaxVal.get()); if (!LBMaxVal.isUsable()) return nullptr; Expr *LBMin = tryBuildCapture(SemaRef, LBMinVal.get(), Captures).get(); Expr *LBMax = tryBuildCapture(SemaRef, LBMaxVal.get(), Captures).get(); if (!LBMin || !LBMax) return nullptr; // LB(MinVal) < LB(MaxVal) ExprResult MinLessMaxRes = SemaRef.BuildBinOp(S, DefaultLoc, BO_LT, LBMin, LBMax); if (!MinLessMaxRes.isUsable()) return nullptr; Expr *MinLessMax = tryBuildCapture(SemaRef, MinLessMaxRes.get(), Captures).get(); if (!MinLessMax) return nullptr; if (TestIsLessOp.getValue()) { // LB(MinVal) < LB(MaxVal) ? LB(MinVal) : LB(MaxVal) - min(LB(MinVal), // LB(MaxVal)) ExprResult MinLB = SemaRef.ActOnConditionalOp(DefaultLoc, DefaultLoc, MinLessMax, LBMin, LBMax); if (!MinLB.isUsable()) return nullptr; LBVal = MinLB.get(); } else { // LB(MinVal) < LB(MaxVal) ? LB(MaxVal) : LB(MinVal) - max(LB(MinVal), // LB(MaxVal)) ExprResult MaxLB = SemaRef.ActOnConditionalOp(DefaultLoc, DefaultLoc, MinLessMax, LBMax, LBMin); if (!MaxLB.isUsable()) return nullptr; LBVal = MaxLB.get(); } } // UB = TestIsLessOp.getValue() ? max(UB(MinVal), UB(MaxVal)) : // min(UB(MinVal), UB(MaxVal)) if (CondDependOnLC) { const LoopIterationSpace &IS = ResultIterSpaces[ResultIterSpaces.size() - 1 - InitDependOnLC.getValueOr( CondDependOnLC.getValueOr(0))]; if (!IS.MinValue || !IS.MaxValue) return nullptr; // OuterVar = Min ExprResult MinValue = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, IS.MinValue); if (!MinValue.isUsable()) return nullptr; ExprResult UBMinVal = SemaRef.BuildBinOp(S, DefaultLoc, BO_Assign, IS.CounterVar, MinValue.get()); if (!UBMinVal.isUsable()) return nullptr; // OuterVar = Min, UBVal UBMinVal = SemaRef.BuildBinOp(S, DefaultLoc, BO_Comma, UBMinVal.get(), UBVal); if (!UBMinVal.isUsable()) return nullptr; // (OuterVar = Min, UBVal) UBMinVal = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, UBMinVal.get()); if (!UBMinVal.isUsable()) return nullptr; // OuterVar = Max ExprResult MaxValue = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, IS.MaxValue); if (!MaxValue.isUsable()) return nullptr; ExprResult UBMaxVal = SemaRef.BuildBinOp(S, DefaultLoc, BO_Assign, IS.CounterVar, MaxValue.get()); if (!UBMaxVal.isUsable()) return nullptr; // OuterVar = Max, UBVal UBMaxVal = SemaRef.BuildBinOp(S, DefaultLoc, BO_Comma, UBMaxVal.get(), UBVal); if (!UBMaxVal.isUsable()) return nullptr; // (OuterVar = Max, UBVal) UBMaxVal = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, UBMaxVal.get()); if (!UBMaxVal.isUsable()) return nullptr; Expr *UBMin = tryBuildCapture(SemaRef, UBMinVal.get(), Captures).get(); Expr *UBMax = tryBuildCapture(SemaRef, UBMaxVal.get(), Captures).get(); if (!UBMin || !UBMax) return nullptr; // UB(MinVal) > UB(MaxVal) ExprResult MinGreaterMaxRes = SemaRef.BuildBinOp(S, DefaultLoc, BO_GT, UBMin, UBMax); if (!MinGreaterMaxRes.isUsable()) return nullptr; Expr *MinGreaterMax = tryBuildCapture(SemaRef, MinGreaterMaxRes.get(), Captures).get(); if (!MinGreaterMax) return nullptr; if (TestIsLessOp.getValue()) { // UB(MinVal) > UB(MaxVal) ? UB(MinVal) : UB(MaxVal) - max(UB(MinVal), // UB(MaxVal)) ExprResult MaxUB = SemaRef.ActOnConditionalOp( DefaultLoc, DefaultLoc, MinGreaterMax, UBMin, UBMax); if (!MaxUB.isUsable()) return nullptr; UBVal = MaxUB.get(); } else { // UB(MinVal) > UB(MaxVal) ? UB(MaxVal) : UB(MinVal) - min(UB(MinVal), // UB(MaxVal)) ExprResult MinUB = SemaRef.ActOnConditionalOp( DefaultLoc, DefaultLoc, MinGreaterMax, UBMax, UBMin); if (!MinUB.isUsable()) return nullptr; UBVal = MinUB.get(); } } // Upper - Lower Expr *UBExpr = TestIsLessOp.getValue() ? UBVal : LBVal; Expr *LBExpr = TestIsLessOp.getValue() ? LBVal : UBVal; Expr *Upper = tryBuildCapture(SemaRef, UBExpr, Captures).get(); Expr *Lower = tryBuildCapture(SemaRef, LBExpr, Captures).get(); if (!Upper || !Lower) return nullptr; Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Sub, Upper, Lower); if (!Diff.isUsable() && VarType->getAsCXXRecordDecl()) { // BuildBinOp already emitted error, this one is to point user to upper // and lower bound, and to tell what is passed to 'operator-'. SemaRef.Diag(Upper->getBeginLoc(), diag::err_omp_loop_diff_cxx) << Upper->getSourceRange() << Lower->getSourceRange(); return nullptr; } } if (!Diff.isUsable()) return nullptr; // Upper - Lower [- 1] if (TestIsStrictOp) Diff = SemaRef.BuildBinOp( S, DefaultLoc, BO_Sub, Diff.get(), SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()); if (!Diff.isUsable()) return nullptr; // Upper - Lower [- 1] + Step ExprResult NewStep = tryBuildCapture(SemaRef, Step, Captures); if (!NewStep.isUsable()) return nullptr; Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Add, Diff.get(), NewStep.get()); if (!Diff.isUsable()) return nullptr; // Parentheses (for dumping/debugging purposes only). Diff = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Diff.get()); if (!Diff.isUsable()) return nullptr; // (Upper - Lower [- 1] + Step) / Step Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Div, Diff.get(), NewStep.get()); if (!Diff.isUsable()) return nullptr; // OpenMP runtime requires 32-bit or 64-bit loop variables. QualType Type = Diff.get()->getType(); ASTContext &C = SemaRef.Context; bool UseVarType = VarType->hasIntegerRepresentation() && C.getTypeSize(Type) > C.getTypeSize(VarType); if (!Type->isIntegerType() || UseVarType) { unsigned NewSize = UseVarType ? C.getTypeSize(VarType) : C.getTypeSize(Type); bool IsSigned = UseVarType ? VarType->hasSignedIntegerRepresentation() : Type->hasSignedIntegerRepresentation(); Type = C.getIntTypeForBitwidth(NewSize, IsSigned); if (!SemaRef.Context.hasSameType(Diff.get()->getType(), Type)) { Diff = SemaRef.PerformImplicitConversion( Diff.get(), Type, Sema::AA_Converting, /*AllowExplicit=*/true); if (!Diff.isUsable()) return nullptr; } } if (LimitedType) { unsigned NewSize = (C.getTypeSize(Type) > 32) ? 64 : 32; if (NewSize != C.getTypeSize(Type)) { if (NewSize < C.getTypeSize(Type)) { assert(NewSize == 64 && "incorrect loop var size"); SemaRef.Diag(DefaultLoc, diag::warn_omp_loop_64_bit_var) << InitSrcRange << ConditionSrcRange; } QualType NewType = C.getIntTypeForBitwidth( NewSize, Type->hasSignedIntegerRepresentation() || C.getTypeSize(Type) < NewSize); if (!SemaRef.Context.hasSameType(Diff.get()->getType(), NewType)) { Diff = SemaRef.PerformImplicitConversion(Diff.get(), NewType, Sema::AA_Converting, true); if (!Diff.isUsable()) return nullptr; } } } return Diff.get(); } std::pair OpenMPIterationSpaceChecker::buildMinMaxValues( Scope *S, llvm::MapVector &Captures) const { // Do not build for iterators, they cannot be used in non-rectangular loop // nests. if (LCDecl->getType()->isRecordType()) return std::make_pair(nullptr, nullptr); // If we subtract, the min is in the condition, otherwise the min is in the // init value. Expr *MinExpr = nullptr; Expr *MaxExpr = nullptr; Expr *LBExpr = TestIsLessOp.getValue() ? LB : UB; Expr *UBExpr = TestIsLessOp.getValue() ? UB : LB; bool LBNonRect = TestIsLessOp.getValue() ? InitDependOnLC.hasValue() : CondDependOnLC.hasValue(); bool UBNonRect = TestIsLessOp.getValue() ? CondDependOnLC.hasValue() : InitDependOnLC.hasValue(); Expr *Lower = LBNonRect ? LBExpr : tryBuildCapture(SemaRef, LBExpr, Captures).get(); Expr *Upper = UBNonRect ? UBExpr : tryBuildCapture(SemaRef, UBExpr, Captures).get(); if (!Upper || !Lower) return std::make_pair(nullptr, nullptr); if (TestIsLessOp.getValue()) MinExpr = Lower; else MaxExpr = Upper; // Build minimum/maximum value based on number of iterations. ExprResult Diff; QualType VarType = LCDecl->getType().getNonReferenceType(); Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Sub, Upper, Lower); if (!Diff.isUsable()) return std::make_pair(nullptr, nullptr); // Upper - Lower [- 1] if (TestIsStrictOp) Diff = SemaRef.BuildBinOp( S, DefaultLoc, BO_Sub, Diff.get(), SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()); if (!Diff.isUsable()) return std::make_pair(nullptr, nullptr); // Upper - Lower [- 1] + Step ExprResult NewStep = tryBuildCapture(SemaRef, Step, Captures); if (!NewStep.isUsable()) return std::make_pair(nullptr, nullptr); // Parentheses (for dumping/debugging purposes only). Diff = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Diff.get()); if (!Diff.isUsable()) return std::make_pair(nullptr, nullptr); // (Upper - Lower [- 1]) / Step Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Div, Diff.get(), NewStep.get()); if (!Diff.isUsable()) return std::make_pair(nullptr, nullptr); // ((Upper - Lower [- 1]) / Step) * Step // Parentheses (for dumping/debugging purposes only). Diff = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Diff.get()); if (!Diff.isUsable()) return std::make_pair(nullptr, nullptr); Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Mul, Diff.get(), NewStep.get()); if (!Diff.isUsable()) return std::make_pair(nullptr, nullptr); // Convert to the original type or ptrdiff_t, if original type is pointer. if (!VarType->isAnyPointerType() && !SemaRef.Context.hasSameType(Diff.get()->getType(), VarType)) { Diff = SemaRef.PerformImplicitConversion( Diff.get(), VarType, Sema::AA_Converting, /*AllowExplicit=*/true); } else if (VarType->isAnyPointerType() && !SemaRef.Context.hasSameType( Diff.get()->getType(), SemaRef.Context.getUnsignedPointerDiffType())) { Diff = SemaRef.PerformImplicitConversion( Diff.get(), SemaRef.Context.getUnsignedPointerDiffType(), Sema::AA_Converting, /*AllowExplicit=*/true); } if (!Diff.isUsable()) return std::make_pair(nullptr, nullptr); // Parentheses (for dumping/debugging purposes only). Diff = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Diff.get()); if (!Diff.isUsable()) return std::make_pair(nullptr, nullptr); if (TestIsLessOp.getValue()) { // MinExpr = Lower; // MaxExpr = Lower + (((Upper - Lower [- 1]) / Step) * Step) Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Add, Lower, Diff.get()); if (!Diff.isUsable()) return std::make_pair(nullptr, nullptr); Diff = SemaRef.ActOnFinishFullExpr(Diff.get(), /*DiscardedValue*/ false); if (!Diff.isUsable()) return std::make_pair(nullptr, nullptr); MaxExpr = Diff.get(); } else { // MaxExpr = Upper; // MinExpr = Upper - (((Upper - Lower [- 1]) / Step) * Step) Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Sub, Upper, Diff.get()); if (!Diff.isUsable()) return std::make_pair(nullptr, nullptr); Diff = SemaRef.ActOnFinishFullExpr(Diff.get(), /*DiscardedValue*/ false); if (!Diff.isUsable()) return std::make_pair(nullptr, nullptr); MinExpr = Diff.get(); } return std::make_pair(MinExpr, MaxExpr); } Expr *OpenMPIterationSpaceChecker::buildFinalCondition(Scope *S) const { if (InitDependOnLC || CondDependOnLC) return Condition; return nullptr; } Expr *OpenMPIterationSpaceChecker::buildPreCond( Scope *S, Expr *Cond, llvm::MapVector &Captures) const { // Try to build LB UB, where is <, >, <=, or >=. Sema::TentativeAnalysisScope Trap(SemaRef); ExprResult NewLB = InitDependOnLC ? LB : tryBuildCapture(SemaRef, LB, Captures); ExprResult NewUB = CondDependOnLC ? UB : tryBuildCapture(SemaRef, UB, Captures); if (!NewLB.isUsable() || !NewUB.isUsable()) return nullptr; ExprResult CondExpr = SemaRef.BuildBinOp(S, DefaultLoc, TestIsLessOp.getValue() ? (TestIsStrictOp ? BO_LT : BO_LE) : (TestIsStrictOp ? BO_GT : BO_GE), NewLB.get(), NewUB.get()); if (CondExpr.isUsable()) { if (!SemaRef.Context.hasSameUnqualifiedType(CondExpr.get()->getType(), SemaRef.Context.BoolTy)) CondExpr = SemaRef.PerformImplicitConversion( CondExpr.get(), SemaRef.Context.BoolTy, /*Action=*/Sema::AA_Casting, /*AllowExplicit=*/true); } // Otherwise use original loop condition and evaluate it in runtime. return CondExpr.isUsable() ? CondExpr.get() : Cond; } /// Build reference expression to the counter be used for codegen. DeclRefExpr *OpenMPIterationSpaceChecker::buildCounterVar( llvm::MapVector &Captures, DSAStackTy &DSA) const { auto *VD = dyn_cast(LCDecl); if (!VD) { VD = SemaRef.isOpenMPCapturedDecl(LCDecl); DeclRefExpr *Ref = buildDeclRefExpr( SemaRef, VD, VD->getType().getNonReferenceType(), DefaultLoc); const DSAStackTy::DSAVarData Data = DSA.getTopDSA(LCDecl, /*FromParent=*/false); // If the loop control decl is explicitly marked as private, do not mark it // as captured again. if (!isOpenMPPrivate(Data.CKind) || !Data.RefExpr) Captures.insert(std::make_pair(LCRef, Ref)); return Ref; } return cast(LCRef); } Expr *OpenMPIterationSpaceChecker::buildPrivateCounterVar() const { if (LCDecl && !LCDecl->isInvalidDecl()) { QualType Type = LCDecl->getType().getNonReferenceType(); VarDecl *PrivateVar = buildVarDecl( SemaRef, DefaultLoc, Type, LCDecl->getName(), LCDecl->hasAttrs() ? &LCDecl->getAttrs() : nullptr, isa(LCDecl) ? buildDeclRefExpr(SemaRef, cast(LCDecl), Type, DefaultLoc) : nullptr); if (PrivateVar->isInvalidDecl()) return nullptr; return buildDeclRefExpr(SemaRef, PrivateVar, Type, DefaultLoc); } return nullptr; } /// Build initialization of the counter to be used for codegen. Expr *OpenMPIterationSpaceChecker::buildCounterInit() const { return LB; } /// Build step of the counter be used for codegen. Expr *OpenMPIterationSpaceChecker::buildCounterStep() const { return Step; } Expr *OpenMPIterationSpaceChecker::buildOrderedLoopData( Scope *S, Expr *Counter, llvm::MapVector &Captures, SourceLocation Loc, Expr *Inc, OverloadedOperatorKind OOK) { Expr *Cnt = SemaRef.DefaultLvalueConversion(Counter).get(); if (!Cnt) return nullptr; if (Inc) { assert((OOK == OO_Plus || OOK == OO_Minus) && "Expected only + or - operations for depend clauses."); BinaryOperatorKind BOK = (OOK == OO_Plus) ? BO_Add : BO_Sub; Cnt = SemaRef.BuildBinOp(S, Loc, BOK, Cnt, Inc).get(); if (!Cnt) return nullptr; } ExprResult Diff; QualType VarType = LCDecl->getType().getNonReferenceType(); if (VarType->isIntegerType() || VarType->isPointerType() || SemaRef.getLangOpts().CPlusPlus) { // Upper - Lower Expr *Upper = TestIsLessOp.getValue() ? Cnt : tryBuildCapture(SemaRef, UB, Captures).get(); Expr *Lower = TestIsLessOp.getValue() ? tryBuildCapture(SemaRef, LB, Captures).get() : Cnt; if (!Upper || !Lower) return nullptr; Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Sub, Upper, Lower); if (!Diff.isUsable() && VarType->getAsCXXRecordDecl()) { // BuildBinOp already emitted error, this one is to point user to upper // and lower bound, and to tell what is passed to 'operator-'. SemaRef.Diag(Upper->getBeginLoc(), diag::err_omp_loop_diff_cxx) << Upper->getSourceRange() << Lower->getSourceRange(); return nullptr; } } if (!Diff.isUsable()) return nullptr; // Parentheses (for dumping/debugging purposes only). Diff = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Diff.get()); if (!Diff.isUsable()) return nullptr; ExprResult NewStep = tryBuildCapture(SemaRef, Step, Captures); if (!NewStep.isUsable()) return nullptr; // (Upper - Lower) / Step Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Div, Diff.get(), NewStep.get()); if (!Diff.isUsable()) return nullptr; return Diff.get(); } } // namespace void Sema::ActOnOpenMPLoopInitialization(SourceLocation ForLoc, Stmt *Init) { assert(getLangOpts().OpenMP && "OpenMP is not active."); assert(Init && "Expected loop in canonical form."); unsigned AssociatedLoops = DSAStack->getAssociatedLoops(); if (AssociatedLoops > 0 && isOpenMPLoopDirective(DSAStack->getCurrentDirective())) { DSAStack->loopStart(); OpenMPIterationSpaceChecker ISC(*this, *DSAStack, ForLoc); if (!ISC.checkAndSetInit(Init, /*EmitDiags=*/false)) { if (ValueDecl *D = ISC.getLoopDecl()) { auto *VD = dyn_cast(D); DeclRefExpr *PrivateRef = nullptr; if (!VD) { if (VarDecl *Private = isOpenMPCapturedDecl(D)) { VD = Private; } else { PrivateRef = buildCapture(*this, D, ISC.getLoopDeclRefExpr(), /*WithInit=*/false); VD = cast(PrivateRef->getDecl()); } } DSAStack->addLoopControlVariable(D, VD); const Decl *LD = DSAStack->getPossiblyLoopCunter(); if (LD != D->getCanonicalDecl()) { DSAStack->resetPossibleLoopCounter(); if (auto *Var = dyn_cast_or_null(LD)) MarkDeclarationsReferencedInExpr( buildDeclRefExpr(*this, const_cast(Var), Var->getType().getNonLValueExprType(Context), ForLoc, /*RefersToCapture=*/true)); } OpenMPDirectiveKind DKind = DSAStack->getCurrentDirective(); // OpenMP [2.14.1.1, Data-sharing Attribute Rules for Variables // Referenced in a Construct, C/C++]. The loop iteration variable in the // associated for-loop of a simd construct with just one associated // for-loop may be listed in a linear clause with a constant-linear-step // that is the increment of the associated for-loop. The loop iteration // variable(s) in the associated for-loop(s) of a for or parallel for // construct may be listed in a private or lastprivate clause. DSAStackTy::DSAVarData DVar = DSAStack->getTopDSA(D, /*FromParent=*/false); // If LoopVarRefExpr is nullptr it means the corresponding loop variable // is declared in the loop and it is predetermined as a private. Expr *LoopDeclRefExpr = ISC.getLoopDeclRefExpr(); OpenMPClauseKind PredeterminedCKind = isOpenMPSimdDirective(DKind) ? (DSAStack->hasMutipleLoops() ? OMPC_lastprivate : OMPC_linear) : OMPC_private; if (((isOpenMPSimdDirective(DKind) && DVar.CKind != OMPC_unknown && DVar.CKind != PredeterminedCKind && DVar.RefExpr && (LangOpts.OpenMP <= 45 || (DVar.CKind != OMPC_lastprivate && DVar.CKind != OMPC_private))) || ((isOpenMPWorksharingDirective(DKind) || DKind == OMPD_taskloop || isOpenMPDistributeDirective(DKind)) && !isOpenMPSimdDirective(DKind) && DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_private && DVar.CKind != OMPC_lastprivate)) && (DVar.CKind != OMPC_private || DVar.RefExpr)) { Diag(Init->getBeginLoc(), diag::err_omp_loop_var_dsa) << getOpenMPClauseName(DVar.CKind) << getOpenMPDirectiveName(DKind) << getOpenMPClauseName(PredeterminedCKind); if (DVar.RefExpr == nullptr) DVar.CKind = PredeterminedCKind; reportOriginalDsa(*this, DSAStack, D, DVar, /*IsLoopIterVar=*/true); } else if (LoopDeclRefExpr) { // Make the loop iteration variable private (for worksharing // constructs), linear (for simd directives with the only one // associated loop) or lastprivate (for simd directives with several // collapsed or ordered loops). if (DVar.CKind == OMPC_unknown) DSAStack->addDSA(D, LoopDeclRefExpr, PredeterminedCKind, PrivateRef); } } } DSAStack->setAssociatedLoops(AssociatedLoops - 1); } } /// Called on a for stmt to check and extract its iteration space /// for further processing (such as collapsing). static bool checkOpenMPIterationSpace( OpenMPDirectiveKind DKind, Stmt *S, Sema &SemaRef, DSAStackTy &DSA, unsigned CurrentNestedLoopCount, unsigned NestedLoopCount, unsigned TotalNestedLoopCount, Expr *CollapseLoopCountExpr, Expr *OrderedLoopCountExpr, Sema::VarsWithInheritedDSAType &VarsWithImplicitDSA, llvm::MutableArrayRef ResultIterSpaces, llvm::MapVector &Captures) { // OpenMP [2.6, Canonical Loop Form] // for (init-expr; test-expr; incr-expr) structured-block auto *For = dyn_cast_or_null(S); if (!For) { SemaRef.Diag(S->getBeginLoc(), diag::err_omp_not_for) << (CollapseLoopCountExpr != nullptr || OrderedLoopCountExpr != nullptr) << getOpenMPDirectiveName(DKind) << TotalNestedLoopCount << (CurrentNestedLoopCount > 0) << CurrentNestedLoopCount; if (TotalNestedLoopCount > 1) { if (CollapseLoopCountExpr && OrderedLoopCountExpr) SemaRef.Diag(DSA.getConstructLoc(), diag::note_omp_collapse_ordered_expr) << 2 << CollapseLoopCountExpr->getSourceRange() << OrderedLoopCountExpr->getSourceRange(); else if (CollapseLoopCountExpr) SemaRef.Diag(CollapseLoopCountExpr->getExprLoc(), diag::note_omp_collapse_ordered_expr) << 0 << CollapseLoopCountExpr->getSourceRange(); else SemaRef.Diag(OrderedLoopCountExpr->getExprLoc(), diag::note_omp_collapse_ordered_expr) << 1 << OrderedLoopCountExpr->getSourceRange(); } return true; } assert(For->getBody()); OpenMPIterationSpaceChecker ISC(SemaRef, DSA, For->getForLoc()); // Check init. Stmt *Init = For->getInit(); if (ISC.checkAndSetInit(Init)) return true; bool HasErrors = false; // Check loop variable's type. if (ValueDecl *LCDecl = ISC.getLoopDecl()) { // OpenMP [2.6, Canonical Loop Form] // Var is one of the following: // A variable of signed or unsigned integer type. // For C++, a variable of a random access iterator type. // For C, a variable of a pointer type. QualType VarType = LCDecl->getType().getNonReferenceType(); if (!VarType->isDependentType() && !VarType->isIntegerType() && !VarType->isPointerType() && !(SemaRef.getLangOpts().CPlusPlus && VarType->isOverloadableType())) { SemaRef.Diag(Init->getBeginLoc(), diag::err_omp_loop_variable_type) << SemaRef.getLangOpts().CPlusPlus; HasErrors = true; } // OpenMP, 2.14.1.1 Data-sharing Attribute Rules for Variables Referenced in // a Construct // The loop iteration variable(s) in the associated for-loop(s) of a for or // parallel for construct is (are) private. // The loop iteration variable in the associated for-loop of a simd // construct with just one associated for-loop is linear with a // constant-linear-step that is the increment of the associated for-loop. // Exclude loop var from the list of variables with implicitly defined data // sharing attributes. VarsWithImplicitDSA.erase(LCDecl); assert(isOpenMPLoopDirective(DKind) && "DSA for non-loop vars"); // Check test-expr. HasErrors |= ISC.checkAndSetCond(For->getCond()); // Check incr-expr. HasErrors |= ISC.checkAndSetInc(For->getInc()); } if (ISC.dependent() || SemaRef.CurContext->isDependentContext() || HasErrors) return HasErrors; // Build the loop's iteration space representation. ResultIterSpaces[CurrentNestedLoopCount].PreCond = ISC.buildPreCond(DSA.getCurScope(), For->getCond(), Captures); ResultIterSpaces[CurrentNestedLoopCount].NumIterations = ISC.buildNumIterations(DSA.getCurScope(), ResultIterSpaces, (isOpenMPWorksharingDirective(DKind) || isOpenMPTaskLoopDirective(DKind) || isOpenMPDistributeDirective(DKind)), Captures); ResultIterSpaces[CurrentNestedLoopCount].CounterVar = ISC.buildCounterVar(Captures, DSA); ResultIterSpaces[CurrentNestedLoopCount].PrivateCounterVar = ISC.buildPrivateCounterVar(); ResultIterSpaces[CurrentNestedLoopCount].CounterInit = ISC.buildCounterInit(); ResultIterSpaces[CurrentNestedLoopCount].CounterStep = ISC.buildCounterStep(); ResultIterSpaces[CurrentNestedLoopCount].InitSrcRange = ISC.getInitSrcRange(); ResultIterSpaces[CurrentNestedLoopCount].CondSrcRange = ISC.getConditionSrcRange(); ResultIterSpaces[CurrentNestedLoopCount].IncSrcRange = ISC.getIncrementSrcRange(); ResultIterSpaces[CurrentNestedLoopCount].Subtract = ISC.shouldSubtractStep(); ResultIterSpaces[CurrentNestedLoopCount].IsStrictCompare = ISC.isStrictTestOp(); std::tie(ResultIterSpaces[CurrentNestedLoopCount].MinValue, ResultIterSpaces[CurrentNestedLoopCount].MaxValue) = ISC.buildMinMaxValues(DSA.getCurScope(), Captures); ResultIterSpaces[CurrentNestedLoopCount].FinalCondition = ISC.buildFinalCondition(DSA.getCurScope()); ResultIterSpaces[CurrentNestedLoopCount].IsNonRectangularLB = ISC.doesInitDependOnLC(); ResultIterSpaces[CurrentNestedLoopCount].IsNonRectangularUB = ISC.doesCondDependOnLC(); ResultIterSpaces[CurrentNestedLoopCount].LoopDependentIdx = ISC.getLoopDependentIdx(); HasErrors |= (ResultIterSpaces[CurrentNestedLoopCount].PreCond == nullptr || ResultIterSpaces[CurrentNestedLoopCount].NumIterations == nullptr || ResultIterSpaces[CurrentNestedLoopCount].CounterVar == nullptr || ResultIterSpaces[CurrentNestedLoopCount].PrivateCounterVar == nullptr || ResultIterSpaces[CurrentNestedLoopCount].CounterInit == nullptr || ResultIterSpaces[CurrentNestedLoopCount].CounterStep == nullptr); if (!HasErrors && DSA.isOrderedRegion()) { if (DSA.getOrderedRegionParam().second->getNumForLoops()) { if (CurrentNestedLoopCount < DSA.getOrderedRegionParam().second->getLoopNumIterations().size()) { DSA.getOrderedRegionParam().second->setLoopNumIterations( CurrentNestedLoopCount, ResultIterSpaces[CurrentNestedLoopCount].NumIterations); DSA.getOrderedRegionParam().second->setLoopCounter( CurrentNestedLoopCount, ResultIterSpaces[CurrentNestedLoopCount].CounterVar); } } for (auto &Pair : DSA.getDoacrossDependClauses()) { if (CurrentNestedLoopCount >= Pair.first->getNumLoops()) { // Erroneous case - clause has some problems. continue; } if (Pair.first->getDependencyKind() == OMPC_DEPEND_sink && Pair.second.size() <= CurrentNestedLoopCount) { // Erroneous case - clause has some problems. Pair.first->setLoopData(CurrentNestedLoopCount, nullptr); continue; } Expr *CntValue; if (Pair.first->getDependencyKind() == OMPC_DEPEND_source) CntValue = ISC.buildOrderedLoopData( DSA.getCurScope(), ResultIterSpaces[CurrentNestedLoopCount].CounterVar, Captures, Pair.first->getDependencyLoc()); else CntValue = ISC.buildOrderedLoopData( DSA.getCurScope(), ResultIterSpaces[CurrentNestedLoopCount].CounterVar, Captures, Pair.first->getDependencyLoc(), Pair.second[CurrentNestedLoopCount].first, Pair.second[CurrentNestedLoopCount].second); Pair.first->setLoopData(CurrentNestedLoopCount, CntValue); } } return HasErrors; } /// Build 'VarRef = Start. static ExprResult buildCounterInit(Sema &SemaRef, Scope *S, SourceLocation Loc, ExprResult VarRef, ExprResult Start, bool IsNonRectangularLB, llvm::MapVector &Captures) { // Build 'VarRef = Start. ExprResult NewStart = IsNonRectangularLB ? Start.get() : tryBuildCapture(SemaRef, Start.get(), Captures); if (!NewStart.isUsable()) return ExprError(); if (!SemaRef.Context.hasSameType(NewStart.get()->getType(), VarRef.get()->getType())) { NewStart = SemaRef.PerformImplicitConversion( NewStart.get(), VarRef.get()->getType(), Sema::AA_Converting, /*AllowExplicit=*/true); if (!NewStart.isUsable()) return ExprError(); } ExprResult Init = SemaRef.BuildBinOp(S, Loc, BO_Assign, VarRef.get(), NewStart.get()); return Init; } /// Build 'VarRef = Start + Iter * Step'. static ExprResult buildCounterUpdate( Sema &SemaRef, Scope *S, SourceLocation Loc, ExprResult VarRef, ExprResult Start, ExprResult Iter, ExprResult Step, bool Subtract, bool IsNonRectangularLB, llvm::MapVector *Captures = nullptr) { // Add parentheses (for debugging purposes only). Iter = SemaRef.ActOnParenExpr(Loc, Loc, Iter.get()); if (!VarRef.isUsable() || !Start.isUsable() || !Iter.isUsable() || !Step.isUsable()) return ExprError(); ExprResult NewStep = Step; if (Captures) NewStep = tryBuildCapture(SemaRef, Step.get(), *Captures); if (NewStep.isInvalid()) return ExprError(); ExprResult Update = SemaRef.BuildBinOp(S, Loc, BO_Mul, Iter.get(), NewStep.get()); if (!Update.isUsable()) return ExprError(); // Try to build 'VarRef = Start, VarRef (+|-)= Iter * Step' or // 'VarRef = Start (+|-) Iter * Step'. if (!Start.isUsable()) return ExprError(); ExprResult NewStart = SemaRef.ActOnParenExpr(Loc, Loc, Start.get()); if (!NewStart.isUsable()) return ExprError(); if (Captures && !IsNonRectangularLB) NewStart = tryBuildCapture(SemaRef, Start.get(), *Captures); if (NewStart.isInvalid()) return ExprError(); // First attempt: try to build 'VarRef = Start, VarRef += Iter * Step'. ExprResult SavedUpdate = Update; ExprResult UpdateVal; if (VarRef.get()->getType()->isOverloadableType() || NewStart.get()->getType()->isOverloadableType() || Update.get()->getType()->isOverloadableType()) { Sema::TentativeAnalysisScope Trap(SemaRef); Update = SemaRef.BuildBinOp(S, Loc, BO_Assign, VarRef.get(), NewStart.get()); if (Update.isUsable()) { UpdateVal = SemaRef.BuildBinOp(S, Loc, Subtract ? BO_SubAssign : BO_AddAssign, VarRef.get(), SavedUpdate.get()); if (UpdateVal.isUsable()) { Update = SemaRef.CreateBuiltinBinOp(Loc, BO_Comma, Update.get(), UpdateVal.get()); } } } // Second attempt: try to build 'VarRef = Start (+|-) Iter * Step'. if (!Update.isUsable() || !UpdateVal.isUsable()) { Update = SemaRef.BuildBinOp(S, Loc, Subtract ? BO_Sub : BO_Add, NewStart.get(), SavedUpdate.get()); if (!Update.isUsable()) return ExprError(); if (!SemaRef.Context.hasSameType(Update.get()->getType(), VarRef.get()->getType())) { Update = SemaRef.PerformImplicitConversion( Update.get(), VarRef.get()->getType(), Sema::AA_Converting, true); if (!Update.isUsable()) return ExprError(); } Update = SemaRef.BuildBinOp(S, Loc, BO_Assign, VarRef.get(), Update.get()); } return Update; } /// Convert integer expression \a E to make it have at least \a Bits /// bits. static ExprResult widenIterationCount(unsigned Bits, Expr *E, Sema &SemaRef) { if (E == nullptr) return ExprError(); ASTContext &C = SemaRef.Context; QualType OldType = E->getType(); unsigned HasBits = C.getTypeSize(OldType); if (HasBits >= Bits) return ExprResult(E); // OK to convert to signed, because new type has more bits than old. QualType NewType = C.getIntTypeForBitwidth(Bits, /* Signed */ true); return SemaRef.PerformImplicitConversion(E, NewType, Sema::AA_Converting, true); } /// Check if the given expression \a E is a constant integer that fits /// into \a Bits bits. static bool fitsInto(unsigned Bits, bool Signed, const Expr *E, Sema &SemaRef) { if (E == nullptr) return false; llvm::APSInt Result; if (E->isIntegerConstantExpr(Result, SemaRef.Context)) return Signed ? Result.isSignedIntN(Bits) : Result.isIntN(Bits); return false; } /// Build preinits statement for the given declarations. static Stmt *buildPreInits(ASTContext &Context, MutableArrayRef PreInits) { if (!PreInits.empty()) { return new (Context) DeclStmt( DeclGroupRef::Create(Context, PreInits.begin(), PreInits.size()), SourceLocation(), SourceLocation()); } return nullptr; } /// Build preinits statement for the given declarations. static Stmt * buildPreInits(ASTContext &Context, const llvm::MapVector &Captures) { if (!Captures.empty()) { SmallVector PreInits; for (const auto &Pair : Captures) PreInits.push_back(Pair.second->getDecl()); return buildPreInits(Context, PreInits); } return nullptr; } /// Build postupdate expression for the given list of postupdates expressions. static Expr *buildPostUpdate(Sema &S, ArrayRef PostUpdates) { Expr *PostUpdate = nullptr; if (!PostUpdates.empty()) { for (Expr *E : PostUpdates) { Expr *ConvE = S.BuildCStyleCastExpr( E->getExprLoc(), S.Context.getTrivialTypeSourceInfo(S.Context.VoidTy), E->getExprLoc(), E) .get(); PostUpdate = PostUpdate ? S.CreateBuiltinBinOp(ConvE->getExprLoc(), BO_Comma, PostUpdate, ConvE) .get() : ConvE; } } return PostUpdate; } /// Called on a for stmt to check itself and nested loops (if any). /// \return Returns 0 if one of the collapsed stmts is not canonical for loop, /// number of collapsed loops otherwise. static unsigned checkOpenMPLoop(OpenMPDirectiveKind DKind, Expr *CollapseLoopCountExpr, Expr *OrderedLoopCountExpr, Stmt *AStmt, Sema &SemaRef, DSAStackTy &DSA, Sema::VarsWithInheritedDSAType &VarsWithImplicitDSA, OMPLoopDirective::HelperExprs &Built) { unsigned NestedLoopCount = 1; if (CollapseLoopCountExpr) { // Found 'collapse' clause - calculate collapse number. Expr::EvalResult Result; if (!CollapseLoopCountExpr->isValueDependent() && CollapseLoopCountExpr->EvaluateAsInt(Result, SemaRef.getASTContext())) { NestedLoopCount = Result.Val.getInt().getLimitedValue(); } else { Built.clear(/*Size=*/1); return 1; } } unsigned OrderedLoopCount = 1; if (OrderedLoopCountExpr) { // Found 'ordered' clause - calculate collapse number. Expr::EvalResult EVResult; if (!OrderedLoopCountExpr->isValueDependent() && OrderedLoopCountExpr->EvaluateAsInt(EVResult, SemaRef.getASTContext())) { llvm::APSInt Result = EVResult.Val.getInt(); if (Result.getLimitedValue() < NestedLoopCount) { SemaRef.Diag(OrderedLoopCountExpr->getExprLoc(), diag::err_omp_wrong_ordered_loop_count) << OrderedLoopCountExpr->getSourceRange(); SemaRef.Diag(CollapseLoopCountExpr->getExprLoc(), diag::note_collapse_loop_count) << CollapseLoopCountExpr->getSourceRange(); } OrderedLoopCount = Result.getLimitedValue(); } else { Built.clear(/*Size=*/1); return 1; } } // This is helper routine for loop directives (e.g., 'for', 'simd', // 'for simd', etc.). llvm::MapVector Captures; SmallVector IterSpaces( std::max(OrderedLoopCount, NestedLoopCount)); Stmt *CurStmt = AStmt->IgnoreContainers(/* IgnoreCaptured */ true); for (unsigned Cnt = 0; Cnt < NestedLoopCount; ++Cnt) { if (checkOpenMPIterationSpace( DKind, CurStmt, SemaRef, DSA, Cnt, NestedLoopCount, std::max(OrderedLoopCount, NestedLoopCount), CollapseLoopCountExpr, OrderedLoopCountExpr, VarsWithImplicitDSA, IterSpaces, Captures)) return 0; // Move on to the next nested for loop, or to the loop body. // OpenMP [2.8.1, simd construct, Restrictions] // All loops associated with the construct must be perfectly nested; that // is, there must be no intervening code nor any OpenMP directive between // any two loops. CurStmt = cast(CurStmt)->getBody()->IgnoreContainers(); } for (unsigned Cnt = NestedLoopCount; Cnt < OrderedLoopCount; ++Cnt) { if (checkOpenMPIterationSpace( DKind, CurStmt, SemaRef, DSA, Cnt, NestedLoopCount, std::max(OrderedLoopCount, NestedLoopCount), CollapseLoopCountExpr, OrderedLoopCountExpr, VarsWithImplicitDSA, IterSpaces, Captures)) return 0; if (Cnt > 0 && IterSpaces[Cnt].CounterVar) { // Handle initialization of captured loop iterator variables. auto *DRE = cast(IterSpaces[Cnt].CounterVar); if (isa(DRE->getDecl())) { Captures[DRE] = DRE; } } // Move on to the next nested for loop, or to the loop body. // OpenMP [2.8.1, simd construct, Restrictions] // All loops associated with the construct must be perfectly nested; that // is, there must be no intervening code nor any OpenMP directive between // any two loops. CurStmt = cast(CurStmt)->getBody()->IgnoreContainers(); } Built.clear(/* size */ NestedLoopCount); if (SemaRef.CurContext->isDependentContext()) return NestedLoopCount; // An example of what is generated for the following code: // // #pragma omp simd collapse(2) ordered(2) // for (i = 0; i < NI; ++i) // for (k = 0; k < NK; ++k) // for (j = J0; j < NJ; j+=2) { // // } // // We generate the code below. // Note: the loop body may be outlined in CodeGen. // Note: some counters may be C++ classes, operator- is used to find number of // iterations and operator+= to calculate counter value. // Note: decltype(NumIterations) must be integer type (in 'omp for', only i32 // or i64 is currently supported). // // #define NumIterations (NI * ((NJ - J0 - 1 + 2) / 2)) // for (int[32|64]_t IV = 0; IV < NumIterations; ++IV ) { // .local.i = IV / ((NJ - J0 - 1 + 2) / 2); // .local.j = J0 + (IV % ((NJ - J0 - 1 + 2) / 2)) * 2; // // similar updates for vars in clauses (e.g. 'linear') // // } // i = NI; // assign final values of counters // j = NJ; // // Last iteration number is (I1 * I2 * ... In) - 1, where I1, I2 ... In are // the iteration counts of the collapsed for loops. // Precondition tests if there is at least one iteration (all conditions are // true). auto PreCond = ExprResult(IterSpaces[0].PreCond); Expr *N0 = IterSpaces[0].NumIterations; ExprResult LastIteration32 = widenIterationCount(/*Bits=*/32, SemaRef .PerformImplicitConversion( N0->IgnoreImpCasts(), N0->getType(), Sema::AA_Converting, /*AllowExplicit=*/true) .get(), SemaRef); ExprResult LastIteration64 = widenIterationCount( /*Bits=*/64, SemaRef .PerformImplicitConversion(N0->IgnoreImpCasts(), N0->getType(), Sema::AA_Converting, /*AllowExplicit=*/true) .get(), SemaRef); if (!LastIteration32.isUsable() || !LastIteration64.isUsable()) return NestedLoopCount; ASTContext &C = SemaRef.Context; bool AllCountsNeedLessThan32Bits = C.getTypeSize(N0->getType()) < 32; Scope *CurScope = DSA.getCurScope(); for (unsigned Cnt = 1; Cnt < NestedLoopCount; ++Cnt) { if (PreCond.isUsable()) { PreCond = SemaRef.BuildBinOp(CurScope, PreCond.get()->getExprLoc(), BO_LAnd, PreCond.get(), IterSpaces[Cnt].PreCond); } Expr *N = IterSpaces[Cnt].NumIterations; SourceLocation Loc = N->getExprLoc(); AllCountsNeedLessThan32Bits &= C.getTypeSize(N->getType()) < 32; if (LastIteration32.isUsable()) LastIteration32 = SemaRef.BuildBinOp( CurScope, Loc, BO_Mul, LastIteration32.get(), SemaRef .PerformImplicitConversion(N->IgnoreImpCasts(), N->getType(), Sema::AA_Converting, /*AllowExplicit=*/true) .get()); if (LastIteration64.isUsable()) LastIteration64 = SemaRef.BuildBinOp( CurScope, Loc, BO_Mul, LastIteration64.get(), SemaRef .PerformImplicitConversion(N->IgnoreImpCasts(), N->getType(), Sema::AA_Converting, /*AllowExplicit=*/true) .get()); } // Choose either the 32-bit or 64-bit version. ExprResult LastIteration = LastIteration64; if (SemaRef.getLangOpts().OpenMPOptimisticCollapse || (LastIteration32.isUsable() && C.getTypeSize(LastIteration32.get()->getType()) == 32 && (AllCountsNeedLessThan32Bits || NestedLoopCount == 1 || fitsInto( /*Bits=*/32, LastIteration32.get()->getType()->hasSignedIntegerRepresentation(), LastIteration64.get(), SemaRef)))) LastIteration = LastIteration32; QualType VType = LastIteration.get()->getType(); QualType RealVType = VType; QualType StrideVType = VType; if (isOpenMPTaskLoopDirective(DKind)) { VType = SemaRef.Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/0); StrideVType = SemaRef.Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/1); } if (!LastIteration.isUsable()) return 0; // Save the number of iterations. ExprResult NumIterations = LastIteration; { LastIteration = SemaRef.BuildBinOp( CurScope, LastIteration.get()->getExprLoc(), BO_Sub, LastIteration.get(), SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()); if (!LastIteration.isUsable()) return 0; } // Calculate the last iteration number beforehand instead of doing this on // each iteration. Do not do this if the number of iterations may be kfold-ed. llvm::APSInt Result; bool IsConstant = LastIteration.get()->isIntegerConstantExpr(Result, SemaRef.Context); ExprResult CalcLastIteration; if (!IsConstant) { ExprResult SaveRef = tryBuildCapture(SemaRef, LastIteration.get(), Captures); LastIteration = SaveRef; // Prepare SaveRef + 1. NumIterations = SemaRef.BuildBinOp( CurScope, SaveRef.get()->getExprLoc(), BO_Add, SaveRef.get(), SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()); if (!NumIterations.isUsable()) return 0; } SourceLocation InitLoc = IterSpaces[0].InitSrcRange.getBegin(); // Build variables passed into runtime, necessary for worksharing directives. ExprResult LB, UB, IL, ST, EUB, CombLB, CombUB, PrevLB, PrevUB, CombEUB; if (isOpenMPWorksharingDirective(DKind) || isOpenMPTaskLoopDirective(DKind) || isOpenMPDistributeDirective(DKind)) { // Lower bound variable, initialized with zero. VarDecl *LBDecl = buildVarDecl(SemaRef, InitLoc, VType, ".omp.lb"); LB = buildDeclRefExpr(SemaRef, LBDecl, VType, InitLoc); SemaRef.AddInitializerToDecl(LBDecl, SemaRef.ActOnIntegerConstant(InitLoc, 0).get(), /*DirectInit*/ false); // Upper bound variable, initialized with last iteration number. VarDecl *UBDecl = buildVarDecl(SemaRef, InitLoc, VType, ".omp.ub"); UB = buildDeclRefExpr(SemaRef, UBDecl, VType, InitLoc); SemaRef.AddInitializerToDecl(UBDecl, LastIteration.get(), /*DirectInit*/ false); // A 32-bit variable-flag where runtime returns 1 for the last iteration. // This will be used to implement clause 'lastprivate'. QualType Int32Ty = SemaRef.Context.getIntTypeForBitwidth(32, true); VarDecl *ILDecl = buildVarDecl(SemaRef, InitLoc, Int32Ty, ".omp.is_last"); IL = buildDeclRefExpr(SemaRef, ILDecl, Int32Ty, InitLoc); SemaRef.AddInitializerToDecl(ILDecl, SemaRef.ActOnIntegerConstant(InitLoc, 0).get(), /*DirectInit*/ false); // Stride variable returned by runtime (we initialize it to 1 by default). VarDecl *STDecl = buildVarDecl(SemaRef, InitLoc, StrideVType, ".omp.stride"); ST = buildDeclRefExpr(SemaRef, STDecl, StrideVType, InitLoc); SemaRef.AddInitializerToDecl(STDecl, SemaRef.ActOnIntegerConstant(InitLoc, 1).get(), /*DirectInit*/ false); // Build expression: UB = min(UB, LastIteration) // It is necessary for CodeGen of directives with static scheduling. ExprResult IsUBGreater = SemaRef.BuildBinOp(CurScope, InitLoc, BO_GT, UB.get(), LastIteration.get()); ExprResult CondOp = SemaRef.ActOnConditionalOp( LastIteration.get()->getExprLoc(), InitLoc, IsUBGreater.get(), LastIteration.get(), UB.get()); EUB = SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, UB.get(), CondOp.get()); EUB = SemaRef.ActOnFinishFullExpr(EUB.get(), /*DiscardedValue*/ false); // If we have a combined directive that combines 'distribute', 'for' or // 'simd' we need to be able to access the bounds of the schedule of the // enclosing region. E.g. in 'distribute parallel for' the bounds obtained // by scheduling 'distribute' have to be passed to the schedule of 'for'. if (isOpenMPLoopBoundSharingDirective(DKind)) { // Lower bound variable, initialized with zero. VarDecl *CombLBDecl = buildVarDecl(SemaRef, InitLoc, VType, ".omp.comb.lb"); CombLB = buildDeclRefExpr(SemaRef, CombLBDecl, VType, InitLoc); SemaRef.AddInitializerToDecl( CombLBDecl, SemaRef.ActOnIntegerConstant(InitLoc, 0).get(), /*DirectInit*/ false); // Upper bound variable, initialized with last iteration number. VarDecl *CombUBDecl = buildVarDecl(SemaRef, InitLoc, VType, ".omp.comb.ub"); CombUB = buildDeclRefExpr(SemaRef, CombUBDecl, VType, InitLoc); SemaRef.AddInitializerToDecl(CombUBDecl, LastIteration.get(), /*DirectInit*/ false); ExprResult CombIsUBGreater = SemaRef.BuildBinOp( CurScope, InitLoc, BO_GT, CombUB.get(), LastIteration.get()); ExprResult CombCondOp = SemaRef.ActOnConditionalOp(InitLoc, InitLoc, CombIsUBGreater.get(), LastIteration.get(), CombUB.get()); CombEUB = SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, CombUB.get(), CombCondOp.get()); CombEUB = SemaRef.ActOnFinishFullExpr(CombEUB.get(), /*DiscardedValue*/ false); const CapturedDecl *CD = cast(AStmt)->getCapturedDecl(); // We expect to have at least 2 more parameters than the 'parallel' // directive does - the lower and upper bounds of the previous schedule. assert(CD->getNumParams() >= 4 && "Unexpected number of parameters in loop combined directive"); // Set the proper type for the bounds given what we learned from the // enclosed loops. ImplicitParamDecl *PrevLBDecl = CD->getParam(/*PrevLB=*/2); ImplicitParamDecl *PrevUBDecl = CD->getParam(/*PrevUB=*/3); // Previous lower and upper bounds are obtained from the region // parameters. PrevLB = buildDeclRefExpr(SemaRef, PrevLBDecl, PrevLBDecl->getType(), InitLoc); PrevUB = buildDeclRefExpr(SemaRef, PrevUBDecl, PrevUBDecl->getType(), InitLoc); } } // Build the iteration variable and its initialization before loop. ExprResult IV; ExprResult Init, CombInit; { VarDecl *IVDecl = buildVarDecl(SemaRef, InitLoc, RealVType, ".omp.iv"); IV = buildDeclRefExpr(SemaRef, IVDecl, RealVType, InitLoc); Expr *RHS = (isOpenMPWorksharingDirective(DKind) || isOpenMPTaskLoopDirective(DKind) || isOpenMPDistributeDirective(DKind)) ? LB.get() : SemaRef.ActOnIntegerConstant(SourceLocation(), 0).get(); Init = SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, IV.get(), RHS); Init = SemaRef.ActOnFinishFullExpr(Init.get(), /*DiscardedValue*/ false); if (isOpenMPLoopBoundSharingDirective(DKind)) { Expr *CombRHS = (isOpenMPWorksharingDirective(DKind) || isOpenMPTaskLoopDirective(DKind) || isOpenMPDistributeDirective(DKind)) ? CombLB.get() : SemaRef.ActOnIntegerConstant(SourceLocation(), 0).get(); CombInit = SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, IV.get(), CombRHS); CombInit = SemaRef.ActOnFinishFullExpr(CombInit.get(), /*DiscardedValue*/ false); } } bool UseStrictCompare = RealVType->hasUnsignedIntegerRepresentation() && llvm::all_of(IterSpaces, [](const LoopIterationSpace &LIS) { return LIS.IsStrictCompare; }); // Loop condition (IV < NumIterations) or (IV <= UB or IV < UB + 1 (for // unsigned IV)) for worksharing loops. SourceLocation CondLoc = AStmt->getBeginLoc(); Expr *BoundUB = UB.get(); if (UseStrictCompare) { BoundUB = SemaRef .BuildBinOp(CurScope, CondLoc, BO_Add, BoundUB, SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()) .get(); BoundUB = SemaRef.ActOnFinishFullExpr(BoundUB, /*DiscardedValue*/ false).get(); } ExprResult Cond = (isOpenMPWorksharingDirective(DKind) || isOpenMPTaskLoopDirective(DKind) || isOpenMPDistributeDirective(DKind)) ? SemaRef.BuildBinOp(CurScope, CondLoc, UseStrictCompare ? BO_LT : BO_LE, IV.get(), BoundUB) : SemaRef.BuildBinOp(CurScope, CondLoc, BO_LT, IV.get(), NumIterations.get()); ExprResult CombDistCond; if (isOpenMPLoopBoundSharingDirective(DKind)) { CombDistCond = SemaRef.BuildBinOp(CurScope, CondLoc, BO_LT, IV.get(), NumIterations.get()); } ExprResult CombCond; if (isOpenMPLoopBoundSharingDirective(DKind)) { Expr *BoundCombUB = CombUB.get(); if (UseStrictCompare) { BoundCombUB = SemaRef .BuildBinOp( CurScope, CondLoc, BO_Add, BoundCombUB, SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()) .get(); BoundCombUB = SemaRef.ActOnFinishFullExpr(BoundCombUB, /*DiscardedValue*/ false) .get(); } CombCond = SemaRef.BuildBinOp(CurScope, CondLoc, UseStrictCompare ? BO_LT : BO_LE, IV.get(), BoundCombUB); } // Loop increment (IV = IV + 1) SourceLocation IncLoc = AStmt->getBeginLoc(); ExprResult Inc = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, IV.get(), SemaRef.ActOnIntegerConstant(IncLoc, 1).get()); if (!Inc.isUsable()) return 0; Inc = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, IV.get(), Inc.get()); Inc = SemaRef.ActOnFinishFullExpr(Inc.get(), /*DiscardedValue*/ false); if (!Inc.isUsable()) return 0; // Increments for worksharing loops (LB = LB + ST; UB = UB + ST). // Used for directives with static scheduling. // In combined construct, add combined version that use CombLB and CombUB // base variables for the update ExprResult NextLB, NextUB, CombNextLB, CombNextUB; if (isOpenMPWorksharingDirective(DKind) || isOpenMPTaskLoopDirective(DKind) || isOpenMPDistributeDirective(DKind)) { // LB + ST NextLB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, LB.get(), ST.get()); if (!NextLB.isUsable()) return 0; // LB = LB + ST NextLB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, LB.get(), NextLB.get()); NextLB = SemaRef.ActOnFinishFullExpr(NextLB.get(), /*DiscardedValue*/ false); if (!NextLB.isUsable()) return 0; // UB + ST NextUB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, UB.get(), ST.get()); if (!NextUB.isUsable()) return 0; // UB = UB + ST NextUB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, UB.get(), NextUB.get()); NextUB = SemaRef.ActOnFinishFullExpr(NextUB.get(), /*DiscardedValue*/ false); if (!NextUB.isUsable()) return 0; if (isOpenMPLoopBoundSharingDirective(DKind)) { CombNextLB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, CombLB.get(), ST.get()); if (!NextLB.isUsable()) return 0; // LB = LB + ST CombNextLB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, CombLB.get(), CombNextLB.get()); CombNextLB = SemaRef.ActOnFinishFullExpr(CombNextLB.get(), /*DiscardedValue*/ false); if (!CombNextLB.isUsable()) return 0; // UB + ST CombNextUB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, CombUB.get(), ST.get()); if (!CombNextUB.isUsable()) return 0; // UB = UB + ST CombNextUB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, CombUB.get(), CombNextUB.get()); CombNextUB = SemaRef.ActOnFinishFullExpr(CombNextUB.get(), /*DiscardedValue*/ false); if (!CombNextUB.isUsable()) return 0; } } // Create increment expression for distribute loop when combined in a same // directive with for as IV = IV + ST; ensure upper bound expression based // on PrevUB instead of NumIterations - used to implement 'for' when found // in combination with 'distribute', like in 'distribute parallel for' SourceLocation DistIncLoc = AStmt->getBeginLoc(); ExprResult DistCond, DistInc, PrevEUB, ParForInDistCond; if (isOpenMPLoopBoundSharingDirective(DKind)) { DistCond = SemaRef.BuildBinOp( CurScope, CondLoc, UseStrictCompare ? BO_LT : BO_LE, IV.get(), BoundUB); assert(DistCond.isUsable() && "distribute cond expr was not built"); DistInc = SemaRef.BuildBinOp(CurScope, DistIncLoc, BO_Add, IV.get(), ST.get()); assert(DistInc.isUsable() && "distribute inc expr was not built"); DistInc = SemaRef.BuildBinOp(CurScope, DistIncLoc, BO_Assign, IV.get(), DistInc.get()); DistInc = SemaRef.ActOnFinishFullExpr(DistInc.get(), /*DiscardedValue*/ false); assert(DistInc.isUsable() && "distribute inc expr was not built"); // Build expression: UB = min(UB, prevUB) for #for in composite or combined // construct SourceLocation DistEUBLoc = AStmt->getBeginLoc(); ExprResult IsUBGreater = SemaRef.BuildBinOp(CurScope, DistEUBLoc, BO_GT, UB.get(), PrevUB.get()); ExprResult CondOp = SemaRef.ActOnConditionalOp( DistEUBLoc, DistEUBLoc, IsUBGreater.get(), PrevUB.get(), UB.get()); PrevEUB = SemaRef.BuildBinOp(CurScope, DistIncLoc, BO_Assign, UB.get(), CondOp.get()); PrevEUB = SemaRef.ActOnFinishFullExpr(PrevEUB.get(), /*DiscardedValue*/ false); // Build IV <= PrevUB or IV < PrevUB + 1 for unsigned IV to be used in // parallel for is in combination with a distribute directive with // schedule(static, 1) Expr *BoundPrevUB = PrevUB.get(); if (UseStrictCompare) { BoundPrevUB = SemaRef .BuildBinOp( CurScope, CondLoc, BO_Add, BoundPrevUB, SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()) .get(); BoundPrevUB = SemaRef.ActOnFinishFullExpr(BoundPrevUB, /*DiscardedValue*/ false) .get(); } ParForInDistCond = SemaRef.BuildBinOp(CurScope, CondLoc, UseStrictCompare ? BO_LT : BO_LE, IV.get(), BoundPrevUB); } // Build updates and final values of the loop counters. bool HasErrors = false; Built.Counters.resize(NestedLoopCount); Built.Inits.resize(NestedLoopCount); Built.Updates.resize(NestedLoopCount); Built.Finals.resize(NestedLoopCount); Built.DependentCounters.resize(NestedLoopCount); Built.DependentInits.resize(NestedLoopCount); Built.FinalsConditions.resize(NestedLoopCount); { // We implement the following algorithm for obtaining the // original loop iteration variable values based on the // value of the collapsed loop iteration variable IV. // // Let n+1 be the number of collapsed loops in the nest. // Iteration variables (I0, I1, .... In) // Iteration counts (N0, N1, ... Nn) // // Acc = IV; // // To compute Ik for loop k, 0 <= k <= n, generate: // Prod = N(k+1) * N(k+2) * ... * Nn; // Ik = Acc / Prod; // Acc -= Ik * Prod; // ExprResult Acc = IV; for (unsigned int Cnt = 0; Cnt < NestedLoopCount; ++Cnt) { LoopIterationSpace &IS = IterSpaces[Cnt]; SourceLocation UpdLoc = IS.IncSrcRange.getBegin(); ExprResult Iter; // Compute prod ExprResult Prod = SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get(); for (unsigned int K = Cnt+1; K < NestedLoopCount; ++K) Prod = SemaRef.BuildBinOp(CurScope, UpdLoc, BO_Mul, Prod.get(), IterSpaces[K].NumIterations); // Iter = Acc / Prod // If there is at least one more inner loop to avoid // multiplication by 1. if (Cnt + 1 < NestedLoopCount) Iter = SemaRef.BuildBinOp(CurScope, UpdLoc, BO_Div, Acc.get(), Prod.get()); else Iter = Acc; if (!Iter.isUsable()) { HasErrors = true; break; } // Update Acc: // Acc -= Iter * Prod // Check if there is at least one more inner loop to avoid // multiplication by 1. if (Cnt + 1 < NestedLoopCount) Prod = SemaRef.BuildBinOp(CurScope, UpdLoc, BO_Mul, Iter.get(), Prod.get()); else Prod = Iter; Acc = SemaRef.BuildBinOp(CurScope, UpdLoc, BO_Sub, Acc.get(), Prod.get()); // Build update: IS.CounterVar(Private) = IS.Start + Iter * IS.Step auto *VD = cast(cast(IS.CounterVar)->getDecl()); DeclRefExpr *CounterVar = buildDeclRefExpr( SemaRef, VD, IS.CounterVar->getType(), IS.CounterVar->getExprLoc(), /*RefersToCapture=*/true); ExprResult Init = buildCounterInit(SemaRef, CurScope, UpdLoc, CounterVar, IS.CounterInit, IS.IsNonRectangularLB, Captures); if (!Init.isUsable()) { HasErrors = true; break; } ExprResult Update = buildCounterUpdate( SemaRef, CurScope, UpdLoc, CounterVar, IS.CounterInit, Iter, IS.CounterStep, IS.Subtract, IS.IsNonRectangularLB, &Captures); if (!Update.isUsable()) { HasErrors = true; break; } // Build final: IS.CounterVar = IS.Start + IS.NumIters * IS.Step ExprResult Final = buildCounterUpdate(SemaRef, CurScope, UpdLoc, CounterVar, IS.CounterInit, IS.NumIterations, IS.CounterStep, IS.Subtract, IS.IsNonRectangularLB, &Captures); if (!Final.isUsable()) { HasErrors = true; break; } if (!Update.isUsable() || !Final.isUsable()) { HasErrors = true; break; } // Save results Built.Counters[Cnt] = IS.CounterVar; Built.PrivateCounters[Cnt] = IS.PrivateCounterVar; Built.Inits[Cnt] = Init.get(); Built.Updates[Cnt] = Update.get(); Built.Finals[Cnt] = Final.get(); Built.DependentCounters[Cnt] = nullptr; Built.DependentInits[Cnt] = nullptr; Built.FinalsConditions[Cnt] = nullptr; if (IS.IsNonRectangularLB) { Built.DependentCounters[Cnt] = Built.Counters[NestedLoopCount - 1 - IS.LoopDependentIdx]; Built.DependentInits[Cnt] = Built.Inits[NestedLoopCount - 1 - IS.LoopDependentIdx]; Built.FinalsConditions[Cnt] = IS.FinalCondition; } } } if (HasErrors) return 0; // Save results Built.IterationVarRef = IV.get(); Built.LastIteration = LastIteration.get(); Built.NumIterations = NumIterations.get(); Built.CalcLastIteration = SemaRef .ActOnFinishFullExpr(CalcLastIteration.get(), /*DiscardedValue=*/false) .get(); Built.PreCond = PreCond.get(); Built.PreInits = buildPreInits(C, Captures); Built.Cond = Cond.get(); Built.Init = Init.get(); Built.Inc = Inc.get(); Built.LB = LB.get(); Built.UB = UB.get(); Built.IL = IL.get(); Built.ST = ST.get(); Built.EUB = EUB.get(); Built.NLB = NextLB.get(); Built.NUB = NextUB.get(); Built.PrevLB = PrevLB.get(); Built.PrevUB = PrevUB.get(); Built.DistInc = DistInc.get(); Built.PrevEUB = PrevEUB.get(); Built.DistCombinedFields.LB = CombLB.get(); Built.DistCombinedFields.UB = CombUB.get(); Built.DistCombinedFields.EUB = CombEUB.get(); Built.DistCombinedFields.Init = CombInit.get(); Built.DistCombinedFields.Cond = CombCond.get(); Built.DistCombinedFields.NLB = CombNextLB.get(); Built.DistCombinedFields.NUB = CombNextUB.get(); Built.DistCombinedFields.DistCond = CombDistCond.get(); Built.DistCombinedFields.ParForInDistCond = ParForInDistCond.get(); return NestedLoopCount; } static Expr *getCollapseNumberExpr(ArrayRef Clauses) { auto CollapseClauses = OMPExecutableDirective::getClausesOfKind(Clauses); if (CollapseClauses.begin() != CollapseClauses.end()) return (*CollapseClauses.begin())->getNumForLoops(); return nullptr; } static Expr *getOrderedNumberExpr(ArrayRef Clauses) { auto OrderedClauses = OMPExecutableDirective::getClausesOfKind(Clauses); if (OrderedClauses.begin() != OrderedClauses.end()) return (*OrderedClauses.begin())->getNumForLoops(); return nullptr; } static bool checkSimdlenSafelenSpecified(Sema &S, const ArrayRef Clauses) { const OMPSafelenClause *Safelen = nullptr; const OMPSimdlenClause *Simdlen = nullptr; for (const OMPClause *Clause : Clauses) { if (Clause->getClauseKind() == OMPC_safelen) Safelen = cast(Clause); else if (Clause->getClauseKind() == OMPC_simdlen) Simdlen = cast(Clause); if (Safelen && Simdlen) break; } if (Simdlen && Safelen) { const Expr *SimdlenLength = Simdlen->getSimdlen(); const Expr *SafelenLength = Safelen->getSafelen(); if (SimdlenLength->isValueDependent() || SimdlenLength->isTypeDependent() || SimdlenLength->isInstantiationDependent() || SimdlenLength->containsUnexpandedParameterPack()) return false; if (SafelenLength->isValueDependent() || SafelenLength->isTypeDependent() || SafelenLength->isInstantiationDependent() || SafelenLength->containsUnexpandedParameterPack()) return false; Expr::EvalResult SimdlenResult, SafelenResult; SimdlenLength->EvaluateAsInt(SimdlenResult, S.Context); SafelenLength->EvaluateAsInt(SafelenResult, S.Context); llvm::APSInt SimdlenRes = SimdlenResult.Val.getInt(); llvm::APSInt SafelenRes = SafelenResult.Val.getInt(); // OpenMP 4.5 [2.8.1, simd Construct, Restrictions] // If both simdlen and safelen clauses are specified, the value of the // simdlen parameter must be less than or equal to the value of the safelen // parameter. if (SimdlenRes > SafelenRes) { S.Diag(SimdlenLength->getExprLoc(), diag::err_omp_wrong_simdlen_safelen_values) << SimdlenLength->getSourceRange() << SafelenLength->getSourceRange(); return true; } } return false; } StmtResult Sema::ActOnOpenMPSimdDirective(ArrayRef Clauses, Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { if (!AStmt) return StmtError(); assert(isa(AStmt) && "Captured statement expected"); OMPLoopDirective::HelperExprs B; // In presence of clause 'collapse' or 'ordered' with number of loops, it will // define the nested loops number. unsigned NestedLoopCount = checkOpenMPLoop( OMPD_simd, getCollapseNumberExpr(Clauses), getOrderedNumberExpr(Clauses), AStmt, *this, *DSAStack, VarsWithImplicitDSA, B); if (NestedLoopCount == 0) return StmtError(); assert((CurContext->isDependentContext() || B.builtAll()) && "omp simd loop exprs were not built"); if (!CurContext->isDependentContext()) { // Finalize the clauses that need pre-built expressions for CodeGen. for (OMPClause *C : Clauses) { if (auto *LC = dyn_cast(C)) if (FinishOpenMPLinearClause(*LC, cast(B.IterationVarRef), B.NumIterations, *this, CurScope, DSAStack)) return StmtError(); } } if (checkSimdlenSafelenSpecified(*this, Clauses)) return StmtError(); setFunctionHasBranchProtectedScope(); return OMPSimdDirective::Create(Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); } StmtResult Sema::ActOnOpenMPForDirective(ArrayRef Clauses, Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { if (!AStmt) return StmtError(); assert(isa(AStmt) && "Captured statement expected"); OMPLoopDirective::HelperExprs B; // In presence of clause 'collapse' or 'ordered' with number of loops, it will // define the nested loops number. unsigned NestedLoopCount = checkOpenMPLoop( OMPD_for, getCollapseNumberExpr(Clauses), getOrderedNumberExpr(Clauses), AStmt, *this, *DSAStack, VarsWithImplicitDSA, B); if (NestedLoopCount == 0) return StmtError(); assert((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built"); if (!CurContext->isDependentContext()) { // Finalize the clauses that need pre-built expressions for CodeGen. for (OMPClause *C : Clauses) { if (auto *LC = dyn_cast(C)) if (FinishOpenMPLinearClause(*LC, cast(B.IterationVarRef), B.NumIterations, *this, CurScope, DSAStack)) return StmtError(); } } setFunctionHasBranchProtectedScope(); return OMPForDirective::Create(Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, DSAStack->isCancelRegion()); } StmtResult Sema::ActOnOpenMPForSimdDirective( ArrayRef Clauses, Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { if (!AStmt) return StmtError(); assert(isa(AStmt) && "Captured statement expected"); OMPLoopDirective::HelperExprs B; // In presence of clause 'collapse' or 'ordered' with number of loops, it will // define the nested loops number. unsigned NestedLoopCount = checkOpenMPLoop(OMPD_for_simd, getCollapseNumberExpr(Clauses), getOrderedNumberExpr(Clauses), AStmt, *this, *DSAStack, VarsWithImplicitDSA, B); if (NestedLoopCount == 0) return StmtError(); assert((CurContext->isDependentContext() || B.builtAll()) && "omp for simd loop exprs were not built"); if (!CurContext->isDependentContext()) { // Finalize the clauses that need pre-built expressions for CodeGen. for (OMPClause *C : Clauses) { if (auto *LC = dyn_cast(C)) if (FinishOpenMPLinearClause(*LC, cast(B.IterationVarRef), B.NumIterations, *this, CurScope, DSAStack)) return StmtError(); } } if (checkSimdlenSafelenSpecified(*this, Clauses)) return StmtError(); setFunctionHasBranchProtectedScope(); return OMPForSimdDirective::Create(Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); } StmtResult Sema::ActOnOpenMPSectionsDirective(ArrayRef Clauses, Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc) { if (!AStmt) return StmtError(); assert(isa(AStmt) && "Captured statement expected"); auto BaseStmt = AStmt; while (auto *CS = dyn_cast_or_null(BaseStmt)) BaseStmt = CS->getCapturedStmt(); if (auto *C = dyn_cast_or_null(BaseStmt)) { auto S = C->children(); if (S.begin() == S.end()) return StmtError(); // All associated statements must be '#pragma omp section' except for // the first one. for (Stmt *SectionStmt : llvm::make_range(std::next(S.begin()), S.end())) { if (!SectionStmt || !isa(SectionStmt)) { if (SectionStmt) Diag(SectionStmt->getBeginLoc(), diag::err_omp_sections_substmt_not_section); return StmtError(); } cast(SectionStmt) ->setHasCancel(DSAStack->isCancelRegion()); } } else { Diag(AStmt->getBeginLoc(), diag::err_omp_sections_not_compound_stmt); return StmtError(); } setFunctionHasBranchProtectedScope(); return OMPSectionsDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, DSAStack->isCancelRegion()); } StmtResult Sema::ActOnOpenMPSectionDirective(Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc) { if (!AStmt) return StmtError(); assert(isa(AStmt) && "Captured statement expected"); setFunctionHasBranchProtectedScope(); DSAStack->setParentCancelRegion(DSAStack->isCancelRegion()); return OMPSectionDirective::Create(Context, StartLoc, EndLoc, AStmt, DSAStack->isCancelRegion()); } StmtResult Sema::ActOnOpenMPSingleDirective(ArrayRef Clauses, Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc) { if (!AStmt) return StmtError(); assert(isa(AStmt) && "Captured statement expected"); setFunctionHasBranchProtectedScope(); // OpenMP [2.7.3, single Construct, Restrictions] // The copyprivate clause must not be used with the nowait clause. const OMPClause *Nowait = nullptr; const OMPClause *Copyprivate = nullptr; for (const OMPClause *Clause : Clauses) { if (Clause->getClauseKind() == OMPC_nowait) Nowait = Clause; else if (Clause->getClauseKind() == OMPC_copyprivate) Copyprivate = Clause; if (Copyprivate && Nowait) { Diag(Copyprivate->getBeginLoc(), diag::err_omp_single_copyprivate_with_nowait); Diag(Nowait->getBeginLoc(), diag::note_omp_nowait_clause_here); return StmtError(); } } return OMPSingleDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); } StmtResult Sema::ActOnOpenMPMasterDirective(Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc) { if (!AStmt) return StmtError(); assert(isa(AStmt) && "Captured statement expected"); setFunctionHasBranchProtectedScope(); return OMPMasterDirective::Create(Context, StartLoc, EndLoc, AStmt); } StmtResult Sema::ActOnOpenMPCriticalDirective( const DeclarationNameInfo &DirName, ArrayRef Clauses, Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc) { if (!AStmt) return StmtError(); assert(isa(AStmt) && "Captured statement expected"); bool ErrorFound = false; llvm::APSInt Hint; SourceLocation HintLoc; bool DependentHint = false; for (const OMPClause *C : Clauses) { if (C->getClauseKind() == OMPC_hint) { if (!DirName.getName()) { Diag(C->getBeginLoc(), diag::err_omp_hint_clause_no_name); ErrorFound = true; } Expr *E = cast(C)->getHint(); if (E->isTypeDependent() || E->isValueDependent() || E->isInstantiationDependent()) { DependentHint = true; } else { Hint = E->EvaluateKnownConstInt(Context); HintLoc = C->getBeginLoc(); } } } if (ErrorFound) return StmtError(); const auto Pair = DSAStack->getCriticalWithHint(DirName); if (Pair.first && DirName.getName() && !DependentHint) { if (llvm::APSInt::compareValues(Hint, Pair.second) != 0) { Diag(StartLoc, diag::err_omp_critical_with_hint); if (HintLoc.isValid()) Diag(HintLoc, diag::note_omp_critical_hint_here) << 0 << Hint.toString(/*Radix=*/10, /*Signed=*/false); else Diag(StartLoc, diag::note_omp_critical_no_hint) << 0; if (const auto *C = Pair.first->getSingleClause()) { Diag(C->getBeginLoc(), diag::note_omp_critical_hint_here) << 1 << C->getHint()->EvaluateKnownConstInt(Context).toString( /*Radix=*/10, /*Signed=*/false); } else { Diag(Pair.first->getBeginLoc(), diag::note_omp_critical_no_hint) << 1; } } } setFunctionHasBranchProtectedScope(); auto *Dir = OMPCriticalDirective::Create(Context, DirName, StartLoc, EndLoc, Clauses, AStmt); if (!Pair.first && DirName.getName() && !DependentHint) DSAStack->addCriticalWithHint(Dir, Hint); return Dir; } StmtResult Sema::ActOnOpenMPParallelForDirective( ArrayRef Clauses, Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { if (!AStmt) return StmtError(); auto *CS = cast(AStmt); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); OMPLoopDirective::HelperExprs B; // In presence of clause 'collapse' or 'ordered' with number of loops, it will // define the nested loops number. unsigned NestedLoopCount = checkOpenMPLoop(OMPD_parallel_for, getCollapseNumberExpr(Clauses), getOrderedNumberExpr(Clauses), AStmt, *this, *DSAStack, VarsWithImplicitDSA, B); if (NestedLoopCount == 0) return StmtError(); assert((CurContext->isDependentContext() || B.builtAll()) && "omp parallel for loop exprs were not built"); if (!CurContext->isDependentContext()) { // Finalize the clauses that need pre-built expressions for CodeGen. for (OMPClause *C : Clauses) { if (auto *LC = dyn_cast(C)) if (FinishOpenMPLinearClause(*LC, cast(B.IterationVarRef), B.NumIterations, *this, CurScope, DSAStack)) return StmtError(); } } setFunctionHasBranchProtectedScope(); return OMPParallelForDirective::Create(Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, DSAStack->isCancelRegion()); } StmtResult Sema::ActOnOpenMPParallelForSimdDirective( ArrayRef Clauses, Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { if (!AStmt) return StmtError(); auto *CS = cast(AStmt); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); OMPLoopDirective::HelperExprs B; // In presence of clause 'collapse' or 'ordered' with number of loops, it will // define the nested loops number. unsigned NestedLoopCount = checkOpenMPLoop(OMPD_parallel_for_simd, getCollapseNumberExpr(Clauses), getOrderedNumberExpr(Clauses), AStmt, *this, *DSAStack, VarsWithImplicitDSA, B); if (NestedLoopCount == 0) return StmtError(); if (!CurContext->isDependentContext()) { // Finalize the clauses that need pre-built expressions for CodeGen. for (OMPClause *C : Clauses) { if (auto *LC = dyn_cast(C)) if (FinishOpenMPLinearClause(*LC, cast(B.IterationVarRef), B.NumIterations, *this, CurScope, DSAStack)) return StmtError(); } } if (checkSimdlenSafelenSpecified(*this, Clauses)) return StmtError(); setFunctionHasBranchProtectedScope(); return OMPParallelForSimdDirective::Create( Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); } StmtResult Sema::ActOnOpenMPParallelSectionsDirective(ArrayRef Clauses, Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc) { if (!AStmt) return StmtError(); assert(isa(AStmt) && "Captured statement expected"); auto BaseStmt = AStmt; while (auto *CS = dyn_cast_or_null(BaseStmt)) BaseStmt = CS->getCapturedStmt(); if (auto *C = dyn_cast_or_null(BaseStmt)) { auto S = C->children(); if (S.begin() == S.end()) return StmtError(); // All associated statements must be '#pragma omp section' except for // the first one. for (Stmt *SectionStmt : llvm::make_range(std::next(S.begin()), S.end())) { if (!SectionStmt || !isa(SectionStmt)) { if (SectionStmt) Diag(SectionStmt->getBeginLoc(), diag::err_omp_parallel_sections_substmt_not_section); return StmtError(); } cast(SectionStmt) ->setHasCancel(DSAStack->isCancelRegion()); } } else { Diag(AStmt->getBeginLoc(), diag::err_omp_parallel_sections_not_compound_stmt); return StmtError(); } setFunctionHasBranchProtectedScope(); return OMPParallelSectionsDirective::Create( Context, StartLoc, EndLoc, Clauses, AStmt, DSAStack->isCancelRegion()); } StmtResult Sema::ActOnOpenMPTaskDirective(ArrayRef Clauses, Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc) { if (!AStmt) return StmtError(); auto *CS = cast(AStmt); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); setFunctionHasBranchProtectedScope(); return OMPTaskDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, DSAStack->isCancelRegion()); } StmtResult Sema::ActOnOpenMPTaskyieldDirective(SourceLocation StartLoc, SourceLocation EndLoc) { return OMPTaskyieldDirective::Create(Context, StartLoc, EndLoc); } StmtResult Sema::ActOnOpenMPBarrierDirective(SourceLocation StartLoc, SourceLocation EndLoc) { return OMPBarrierDirective::Create(Context, StartLoc, EndLoc); } StmtResult Sema::ActOnOpenMPTaskwaitDirective(SourceLocation StartLoc, SourceLocation EndLoc) { return OMPTaskwaitDirective::Create(Context, StartLoc, EndLoc); } StmtResult Sema::ActOnOpenMPTaskgroupDirective(ArrayRef Clauses, Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc) { if (!AStmt) return StmtError(); assert(isa(AStmt) && "Captured statement expected"); setFunctionHasBranchProtectedScope(); return OMPTaskgroupDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, DSAStack->getTaskgroupReductionRef()); } StmtResult Sema::ActOnOpenMPFlushDirective(ArrayRef Clauses, SourceLocation StartLoc, SourceLocation EndLoc) { assert(Clauses.size() <= 1 && "Extra clauses in flush directive"); return OMPFlushDirective::Create(Context, StartLoc, EndLoc, Clauses); } StmtResult Sema::ActOnOpenMPOrderedDirective(ArrayRef Clauses, Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc) { const OMPClause *DependFound = nullptr; const OMPClause *DependSourceClause = nullptr; const OMPClause *DependSinkClause = nullptr; bool ErrorFound = false; const OMPThreadsClause *TC = nullptr; const OMPSIMDClause *SC = nullptr; for (const OMPClause *C : Clauses) { if (auto *DC = dyn_cast(C)) { DependFound = C; if (DC->getDependencyKind() == OMPC_DEPEND_source) { if (DependSourceClause) { Diag(C->getBeginLoc(), diag::err_omp_more_one_clause) << getOpenMPDirectiveName(OMPD_ordered) << getOpenMPClauseName(OMPC_depend) << 2; ErrorFound = true; } else { DependSourceClause = C; } if (DependSinkClause) { Diag(C->getBeginLoc(), diag::err_omp_depend_sink_source_not_allowed) << 0; ErrorFound = true; } } else if (DC->getDependencyKind() == OMPC_DEPEND_sink) { if (DependSourceClause) { Diag(C->getBeginLoc(), diag::err_omp_depend_sink_source_not_allowed) << 1; ErrorFound = true; } DependSinkClause = C; } } else if (C->getClauseKind() == OMPC_threads) { TC = cast(C); } else if (C->getClauseKind() == OMPC_simd) { SC = cast(C); } } if (!ErrorFound && !SC && isOpenMPSimdDirective(DSAStack->getParentDirective())) { // OpenMP [2.8.1,simd Construct, Restrictions] // An ordered construct with the simd clause is the only OpenMP construct // that can appear in the simd region. Diag(StartLoc, diag::err_omp_prohibited_region_simd); ErrorFound = true; } else if (DependFound && (TC || SC)) { Diag(DependFound->getBeginLoc(), diag::err_omp_depend_clause_thread_simd) << getOpenMPClauseName(TC ? TC->getClauseKind() : SC->getClauseKind()); ErrorFound = true; } else if (DependFound && !DSAStack->getParentOrderedRegionParam().first) { Diag(DependFound->getBeginLoc(), diag::err_omp_ordered_directive_without_param); ErrorFound = true; } else if (TC || Clauses.empty()) { if (const Expr *Param = DSAStack->getParentOrderedRegionParam().first) { SourceLocation ErrLoc = TC ? TC->getBeginLoc() : StartLoc; Diag(ErrLoc, diag::err_omp_ordered_directive_with_param) << (TC != nullptr); Diag(Param->getBeginLoc(), diag::note_omp_ordered_param); ErrorFound = true; } } if ((!AStmt && !DependFound) || ErrorFound) return StmtError(); if (AStmt) { assert(isa(AStmt) && "Captured statement expected"); setFunctionHasBranchProtectedScope(); } return OMPOrderedDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); } namespace { /// Helper class for checking expression in 'omp atomic [update]' /// construct. class OpenMPAtomicUpdateChecker { /// Error results for atomic update expressions. enum ExprAnalysisErrorCode { /// A statement is not an expression statement. NotAnExpression, /// Expression is not builtin binary or unary operation. NotABinaryOrUnaryExpression, /// Unary operation is not post-/pre- increment/decrement operation. NotAnUnaryIncDecExpression, /// An expression is not of scalar type. NotAScalarType, /// A binary operation is not an assignment operation. NotAnAssignmentOp, /// RHS part of the binary operation is not a binary expression. NotABinaryExpression, /// RHS part is not additive/multiplicative/shift/biwise binary /// expression. NotABinaryOperator, /// RHS binary operation does not have reference to the updated LHS /// part. NotAnUpdateExpression, /// No errors is found. NoError }; /// Reference to Sema. Sema &SemaRef; /// A location for note diagnostics (when error is found). SourceLocation NoteLoc; /// 'x' lvalue part of the source atomic expression. Expr *X; /// 'expr' rvalue part of the source atomic expression. Expr *E; /// Helper expression of the form /// 'OpaqueValueExpr(x) binop OpaqueValueExpr(expr)' or /// 'OpaqueValueExpr(expr) binop OpaqueValueExpr(x)'. Expr *UpdateExpr; /// Is 'x' a LHS in a RHS part of full update expression. It is /// important for non-associative operations. bool IsXLHSInRHSPart; BinaryOperatorKind Op; SourceLocation OpLoc; /// true if the source expression is a postfix unary operation, false /// if it is a prefix unary operation. bool IsPostfixUpdate; public: OpenMPAtomicUpdateChecker(Sema &SemaRef) : SemaRef(SemaRef), X(nullptr), E(nullptr), UpdateExpr(nullptr), IsXLHSInRHSPart(false), Op(BO_PtrMemD), IsPostfixUpdate(false) {} /// Check specified statement that it is suitable for 'atomic update' /// constructs and extract 'x', 'expr' and Operation from the original /// expression. If DiagId and NoteId == 0, then only check is performed /// without error notification. /// \param DiagId Diagnostic which should be emitted if error is found. /// \param NoteId Diagnostic note for the main error message. /// \return true if statement is not an update expression, false otherwise. bool checkStatement(Stmt *S, unsigned DiagId = 0, unsigned NoteId = 0); /// Return the 'x' lvalue part of the source atomic expression. Expr *getX() const { return X; } /// Return the 'expr' rvalue part of the source atomic expression. Expr *getExpr() const { return E; } /// Return the update expression used in calculation of the updated /// value. Always has form 'OpaqueValueExpr(x) binop OpaqueValueExpr(expr)' or /// 'OpaqueValueExpr(expr) binop OpaqueValueExpr(x)'. Expr *getUpdateExpr() const { return UpdateExpr; } /// Return true if 'x' is LHS in RHS part of full update expression, /// false otherwise. bool isXLHSInRHSPart() const { return IsXLHSInRHSPart; } /// true if the source expression is a postfix unary operation, false /// if it is a prefix unary operation. bool isPostfixUpdate() const { return IsPostfixUpdate; } private: bool checkBinaryOperation(BinaryOperator *AtomicBinOp, unsigned DiagId = 0, unsigned NoteId = 0); }; } // namespace bool OpenMPAtomicUpdateChecker::checkBinaryOperation( BinaryOperator *AtomicBinOp, unsigned DiagId, unsigned NoteId) { ExprAnalysisErrorCode ErrorFound = NoError; SourceLocation ErrorLoc, NoteLoc; SourceRange ErrorRange, NoteRange; // Allowed constructs are: // x = x binop expr; // x = expr binop x; if (AtomicBinOp->getOpcode() == BO_Assign) { X = AtomicBinOp->getLHS(); if (const auto *AtomicInnerBinOp = dyn_cast( AtomicBinOp->getRHS()->IgnoreParenImpCasts())) { if (AtomicInnerBinOp->isMultiplicativeOp() || AtomicInnerBinOp->isAdditiveOp() || AtomicInnerBinOp->isShiftOp() || AtomicInnerBinOp->isBitwiseOp()) { Op = AtomicInnerBinOp->getOpcode(); OpLoc = AtomicInnerBinOp->getOperatorLoc(); Expr *LHS = AtomicInnerBinOp->getLHS(); Expr *RHS = AtomicInnerBinOp->getRHS(); llvm::FoldingSetNodeID XId, LHSId, RHSId; X->IgnoreParenImpCasts()->Profile(XId, SemaRef.getASTContext(), /*Canonical=*/true); LHS->IgnoreParenImpCasts()->Profile(LHSId, SemaRef.getASTContext(), /*Canonical=*/true); RHS->IgnoreParenImpCasts()->Profile(RHSId, SemaRef.getASTContext(), /*Canonical=*/true); if (XId == LHSId) { E = RHS; IsXLHSInRHSPart = true; } else if (XId == RHSId) { E = LHS; IsXLHSInRHSPart = false; } else { ErrorLoc = AtomicInnerBinOp->getExprLoc(); ErrorRange = AtomicInnerBinOp->getSourceRange(); NoteLoc = X->getExprLoc(); NoteRange = X->getSourceRange(); ErrorFound = NotAnUpdateExpression; } } else { ErrorLoc = AtomicInnerBinOp->getExprLoc(); ErrorRange = AtomicInnerBinOp->getSourceRange(); NoteLoc = AtomicInnerBinOp->getOperatorLoc(); NoteRange = SourceRange(NoteLoc, NoteLoc); ErrorFound = NotABinaryOperator; } } else { NoteLoc = ErrorLoc = AtomicBinOp->getRHS()->getExprLoc(); NoteRange = ErrorRange = AtomicBinOp->getRHS()->getSourceRange(); ErrorFound = NotABinaryExpression; } } else { ErrorLoc = AtomicBinOp->getExprLoc(); ErrorRange = AtomicBinOp->getSourceRange(); NoteLoc = AtomicBinOp->getOperatorLoc(); NoteRange = SourceRange(NoteLoc, NoteLoc); ErrorFound = NotAnAssignmentOp; } if (ErrorFound != NoError && DiagId != 0 && NoteId != 0) { SemaRef.Diag(ErrorLoc, DiagId) << ErrorRange; SemaRef.Diag(NoteLoc, NoteId) << ErrorFound << NoteRange; return true; } if (SemaRef.CurContext->isDependentContext()) E = X = UpdateExpr = nullptr; return ErrorFound != NoError; } bool OpenMPAtomicUpdateChecker::checkStatement(Stmt *S, unsigned DiagId, unsigned NoteId) { ExprAnalysisErrorCode ErrorFound = NoError; SourceLocation ErrorLoc, NoteLoc; SourceRange ErrorRange, NoteRange; // Allowed constructs are: // x++; // x--; // ++x; // --x; // x binop= expr; // x = x binop expr; // x = expr binop x; if (auto *AtomicBody = dyn_cast(S)) { AtomicBody = AtomicBody->IgnoreParenImpCasts(); if (AtomicBody->getType()->isScalarType() || AtomicBody->isInstantiationDependent()) { if (const auto *AtomicCompAssignOp = dyn_cast( AtomicBody->IgnoreParenImpCasts())) { // Check for Compound Assignment Operation Op = BinaryOperator::getOpForCompoundAssignment( AtomicCompAssignOp->getOpcode()); OpLoc = AtomicCompAssignOp->getOperatorLoc(); E = AtomicCompAssignOp->getRHS(); X = AtomicCompAssignOp->getLHS()->IgnoreParens(); IsXLHSInRHSPart = true; } else if (auto *AtomicBinOp = dyn_cast( AtomicBody->IgnoreParenImpCasts())) { // Check for Binary Operation if (checkBinaryOperation(AtomicBinOp, DiagId, NoteId)) return true; } else if (const auto *AtomicUnaryOp = dyn_cast( AtomicBody->IgnoreParenImpCasts())) { // Check for Unary Operation if (AtomicUnaryOp->isIncrementDecrementOp()) { IsPostfixUpdate = AtomicUnaryOp->isPostfix(); Op = AtomicUnaryOp->isIncrementOp() ? BO_Add : BO_Sub; OpLoc = AtomicUnaryOp->getOperatorLoc(); X = AtomicUnaryOp->getSubExpr()->IgnoreParens(); E = SemaRef.ActOnIntegerConstant(OpLoc, /*uint64_t Val=*/1).get(); IsXLHSInRHSPart = true; } else { ErrorFound = NotAnUnaryIncDecExpression; ErrorLoc = AtomicUnaryOp->getExprLoc(); ErrorRange = AtomicUnaryOp->getSourceRange(); NoteLoc = AtomicUnaryOp->getOperatorLoc(); NoteRange = SourceRange(NoteLoc, NoteLoc); } } else if (!AtomicBody->isInstantiationDependent()) { ErrorFound = NotABinaryOrUnaryExpression; NoteLoc = ErrorLoc = AtomicBody->getExprLoc(); NoteRange = ErrorRange = AtomicBody->getSourceRange(); } } else { ErrorFound = NotAScalarType; NoteLoc = ErrorLoc = AtomicBody->getBeginLoc(); NoteRange = ErrorRange = SourceRange(NoteLoc, NoteLoc); } } else { ErrorFound = NotAnExpression; NoteLoc = ErrorLoc = S->getBeginLoc(); NoteRange = ErrorRange = SourceRange(NoteLoc, NoteLoc); } if (ErrorFound != NoError && DiagId != 0 && NoteId != 0) { SemaRef.Diag(ErrorLoc, DiagId) << ErrorRange; SemaRef.Diag(NoteLoc, NoteId) << ErrorFound << NoteRange; return true; } if (SemaRef.CurContext->isDependentContext()) E = X = UpdateExpr = nullptr; if (ErrorFound == NoError && E && X) { // Build an update expression of form 'OpaqueValueExpr(x) binop // OpaqueValueExpr(expr)' or 'OpaqueValueExpr(expr) binop // OpaqueValueExpr(x)' and then cast it to the type of the 'x' expression. auto *OVEX = new (SemaRef.getASTContext()) OpaqueValueExpr(X->getExprLoc(), X->getType(), VK_RValue); auto *OVEExpr = new (SemaRef.getASTContext()) OpaqueValueExpr(E->getExprLoc(), E->getType(), VK_RValue); ExprResult Update = SemaRef.CreateBuiltinBinOp(OpLoc, Op, IsXLHSInRHSPart ? OVEX : OVEExpr, IsXLHSInRHSPart ? OVEExpr : OVEX); if (Update.isInvalid()) return true; Update = SemaRef.PerformImplicitConversion(Update.get(), X->getType(), Sema::AA_Casting); if (Update.isInvalid()) return true; UpdateExpr = Update.get(); } return ErrorFound != NoError; } StmtResult Sema::ActOnOpenMPAtomicDirective(ArrayRef Clauses, Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc) { if (!AStmt) return StmtError(); auto *CS = cast(AStmt); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. OpenMPClauseKind AtomicKind = OMPC_unknown; SourceLocation AtomicKindLoc; for (const OMPClause *C : Clauses) { if (C->getClauseKind() == OMPC_read || C->getClauseKind() == OMPC_write || C->getClauseKind() == OMPC_update || C->getClauseKind() == OMPC_capture) { if (AtomicKind != OMPC_unknown) { Diag(C->getBeginLoc(), diag::err_omp_atomic_several_clauses) << SourceRange(C->getBeginLoc(), C->getEndLoc()); Diag(AtomicKindLoc, diag::note_omp_atomic_previous_clause) << getOpenMPClauseName(AtomicKind); } else { AtomicKind = C->getClauseKind(); AtomicKindLoc = C->getBeginLoc(); } } } Stmt *Body = CS->getCapturedStmt(); if (auto *EWC = dyn_cast(Body)) Body = EWC->getSubExpr(); Expr *X = nullptr; Expr *V = nullptr; Expr *E = nullptr; Expr *UE = nullptr; bool IsXLHSInRHSPart = false; bool IsPostfixUpdate = false; // OpenMP [2.12.6, atomic Construct] // In the next expressions: // * x and v (as applicable) are both l-value expressions with scalar type. // * During the execution of an atomic region, multiple syntactic // occurrences of x must designate the same storage location. // * Neither of v and expr (as applicable) may access the storage location // designated by x. // * Neither of x and expr (as applicable) may access the storage location // designated by v. // * expr is an expression with scalar type. // * binop is one of +, *, -, /, &, ^, |, <<, or >>. // * binop, binop=, ++, and -- are not overloaded operators. // * The expression x binop expr must be numerically equivalent to x binop // (expr). This requirement is satisfied if the operators in expr have // precedence greater than binop, or by using parentheses around expr or // subexpressions of expr. // * The expression expr binop x must be numerically equivalent to (expr) // binop x. This requirement is satisfied if the operators in expr have // precedence equal to or greater than binop, or by using parentheses around // expr or subexpressions of expr. // * For forms that allow multiple occurrences of x, the number of times // that x is evaluated is unspecified. if (AtomicKind == OMPC_read) { enum { NotAnExpression, NotAnAssignmentOp, NotAScalarType, NotAnLValue, NoError } ErrorFound = NoError; SourceLocation ErrorLoc, NoteLoc; SourceRange ErrorRange, NoteRange; // If clause is read: // v = x; if (const auto *AtomicBody = dyn_cast(Body)) { const auto *AtomicBinOp = dyn_cast(AtomicBody->IgnoreParenImpCasts()); if (AtomicBinOp && AtomicBinOp->getOpcode() == BO_Assign) { X = AtomicBinOp->getRHS()->IgnoreParenImpCasts(); V = AtomicBinOp->getLHS()->IgnoreParenImpCasts(); if ((X->isInstantiationDependent() || X->getType()->isScalarType()) && (V->isInstantiationDependent() || V->getType()->isScalarType())) { if (!X->isLValue() || !V->isLValue()) { const Expr *NotLValueExpr = X->isLValue() ? V : X; ErrorFound = NotAnLValue; ErrorLoc = AtomicBinOp->getExprLoc(); ErrorRange = AtomicBinOp->getSourceRange(); NoteLoc = NotLValueExpr->getExprLoc(); NoteRange = NotLValueExpr->getSourceRange(); } } else if (!X->isInstantiationDependent() || !V->isInstantiationDependent()) { const Expr *NotScalarExpr = (X->isInstantiationDependent() || X->getType()->isScalarType()) ? V : X; ErrorFound = NotAScalarType; ErrorLoc = AtomicBinOp->getExprLoc(); ErrorRange = AtomicBinOp->getSourceRange(); NoteLoc = NotScalarExpr->getExprLoc(); NoteRange = NotScalarExpr->getSourceRange(); } } else if (!AtomicBody->isInstantiationDependent()) { ErrorFound = NotAnAssignmentOp; ErrorLoc = AtomicBody->getExprLoc(); ErrorRange = AtomicBody->getSourceRange(); NoteLoc = AtomicBinOp ? AtomicBinOp->getOperatorLoc() : AtomicBody->getExprLoc(); NoteRange = AtomicBinOp ? AtomicBinOp->getSourceRange() : AtomicBody->getSourceRange(); } } else { ErrorFound = NotAnExpression; NoteLoc = ErrorLoc = Body->getBeginLoc(); NoteRange = ErrorRange = SourceRange(NoteLoc, NoteLoc); } if (ErrorFound != NoError) { Diag(ErrorLoc, diag::err_omp_atomic_read_not_expression_statement) << ErrorRange; Diag(NoteLoc, diag::note_omp_atomic_read_write) << ErrorFound << NoteRange; return StmtError(); } if (CurContext->isDependentContext()) V = X = nullptr; } else if (AtomicKind == OMPC_write) { enum { NotAnExpression, NotAnAssignmentOp, NotAScalarType, NotAnLValue, NoError } ErrorFound = NoError; SourceLocation ErrorLoc, NoteLoc; SourceRange ErrorRange, NoteRange; // If clause is write: // x = expr; if (const auto *AtomicBody = dyn_cast(Body)) { const auto *AtomicBinOp = dyn_cast(AtomicBody->IgnoreParenImpCasts()); if (AtomicBinOp && AtomicBinOp->getOpcode() == BO_Assign) { X = AtomicBinOp->getLHS(); E = AtomicBinOp->getRHS(); if ((X->isInstantiationDependent() || X->getType()->isScalarType()) && (E->isInstantiationDependent() || E->getType()->isScalarType())) { if (!X->isLValue()) { ErrorFound = NotAnLValue; ErrorLoc = AtomicBinOp->getExprLoc(); ErrorRange = AtomicBinOp->getSourceRange(); NoteLoc = X->getExprLoc(); NoteRange = X->getSourceRange(); } } else if (!X->isInstantiationDependent() || !E->isInstantiationDependent()) { const Expr *NotScalarExpr = (X->isInstantiationDependent() || X->getType()->isScalarType()) ? E : X; ErrorFound = NotAScalarType; ErrorLoc = AtomicBinOp->getExprLoc(); ErrorRange = AtomicBinOp->getSourceRange(); NoteLoc = NotScalarExpr->getExprLoc(); NoteRange = NotScalarExpr->getSourceRange(); } } else if (!AtomicBody->isInstantiationDependent()) { ErrorFound = NotAnAssignmentOp; ErrorLoc = AtomicBody->getExprLoc(); ErrorRange = AtomicBody->getSourceRange(); NoteLoc = AtomicBinOp ? AtomicBinOp->getOperatorLoc() : AtomicBody->getExprLoc(); NoteRange = AtomicBinOp ? AtomicBinOp->getSourceRange() : AtomicBody->getSourceRange(); } } else { ErrorFound = NotAnExpression; NoteLoc = ErrorLoc = Body->getBeginLoc(); NoteRange = ErrorRange = SourceRange(NoteLoc, NoteLoc); } if (ErrorFound != NoError) { Diag(ErrorLoc, diag::err_omp_atomic_write_not_expression_statement) << ErrorRange; Diag(NoteLoc, diag::note_omp_atomic_read_write) << ErrorFound << NoteRange; return StmtError(); } if (CurContext->isDependentContext()) E = X = nullptr; } else if (AtomicKind == OMPC_update || AtomicKind == OMPC_unknown) { // If clause is update: // x++; // x--; // ++x; // --x; // x binop= expr; // x = x binop expr; // x = expr binop x; OpenMPAtomicUpdateChecker Checker(*this); if (Checker.checkStatement( Body, (AtomicKind == OMPC_update) ? diag::err_omp_atomic_update_not_expression_statement : diag::err_omp_atomic_not_expression_statement, diag::note_omp_atomic_update)) return StmtError(); if (!CurContext->isDependentContext()) { E = Checker.getExpr(); X = Checker.getX(); UE = Checker.getUpdateExpr(); IsXLHSInRHSPart = Checker.isXLHSInRHSPart(); } } else if (AtomicKind == OMPC_capture) { enum { NotAnAssignmentOp, NotACompoundStatement, NotTwoSubstatements, NotASpecificExpression, NoError } ErrorFound = NoError; SourceLocation ErrorLoc, NoteLoc; SourceRange ErrorRange, NoteRange; if (const auto *AtomicBody = dyn_cast(Body)) { // If clause is a capture: // v = x++; // v = x--; // v = ++x; // v = --x; // v = x binop= expr; // v = x = x binop expr; // v = x = expr binop x; const auto *AtomicBinOp = dyn_cast(AtomicBody->IgnoreParenImpCasts()); if (AtomicBinOp && AtomicBinOp->getOpcode() == BO_Assign) { V = AtomicBinOp->getLHS(); Body = AtomicBinOp->getRHS()->IgnoreParenImpCasts(); OpenMPAtomicUpdateChecker Checker(*this); if (Checker.checkStatement( Body, diag::err_omp_atomic_capture_not_expression_statement, diag::note_omp_atomic_update)) return StmtError(); E = Checker.getExpr(); X = Checker.getX(); UE = Checker.getUpdateExpr(); IsXLHSInRHSPart = Checker.isXLHSInRHSPart(); IsPostfixUpdate = Checker.isPostfixUpdate(); } else if (!AtomicBody->isInstantiationDependent()) { ErrorLoc = AtomicBody->getExprLoc(); ErrorRange = AtomicBody->getSourceRange(); NoteLoc = AtomicBinOp ? AtomicBinOp->getOperatorLoc() : AtomicBody->getExprLoc(); NoteRange = AtomicBinOp ? AtomicBinOp->getSourceRange() : AtomicBody->getSourceRange(); ErrorFound = NotAnAssignmentOp; } if (ErrorFound != NoError) { Diag(ErrorLoc, diag::err_omp_atomic_capture_not_expression_statement) << ErrorRange; Diag(NoteLoc, diag::note_omp_atomic_capture) << ErrorFound << NoteRange; return StmtError(); } if (CurContext->isDependentContext()) UE = V = E = X = nullptr; } else { // If clause is a capture: // { v = x; x = expr; } // { v = x; x++; } // { v = x; x--; } // { v = x; ++x; } // { v = x; --x; } // { v = x; x binop= expr; } // { v = x; x = x binop expr; } // { v = x; x = expr binop x; } // { x++; v = x; } // { x--; v = x; } // { ++x; v = x; } // { --x; v = x; } // { x binop= expr; v = x; } // { x = x binop expr; v = x; } // { x = expr binop x; v = x; } if (auto *CS = dyn_cast(Body)) { // Check that this is { expr1; expr2; } if (CS->size() == 2) { Stmt *First = CS->body_front(); Stmt *Second = CS->body_back(); if (auto *EWC = dyn_cast(First)) First = EWC->getSubExpr()->IgnoreParenImpCasts(); if (auto *EWC = dyn_cast(Second)) Second = EWC->getSubExpr()->IgnoreParenImpCasts(); // Need to find what subexpression is 'v' and what is 'x'. OpenMPAtomicUpdateChecker Checker(*this); bool IsUpdateExprFound = !Checker.checkStatement(Second); BinaryOperator *BinOp = nullptr; if (IsUpdateExprFound) { BinOp = dyn_cast(First); IsUpdateExprFound = BinOp && BinOp->getOpcode() == BO_Assign; } if (IsUpdateExprFound && !CurContext->isDependentContext()) { // { v = x; x++; } // { v = x; x--; } // { v = x; ++x; } // { v = x; --x; } // { v = x; x binop= expr; } // { v = x; x = x binop expr; } // { v = x; x = expr binop x; } // Check that the first expression has form v = x. Expr *PossibleX = BinOp->getRHS()->IgnoreParenImpCasts(); llvm::FoldingSetNodeID XId, PossibleXId; Checker.getX()->Profile(XId, Context, /*Canonical=*/true); PossibleX->Profile(PossibleXId, Context, /*Canonical=*/true); IsUpdateExprFound = XId == PossibleXId; if (IsUpdateExprFound) { V = BinOp->getLHS(); X = Checker.getX(); E = Checker.getExpr(); UE = Checker.getUpdateExpr(); IsXLHSInRHSPart = Checker.isXLHSInRHSPart(); IsPostfixUpdate = true; } } if (!IsUpdateExprFound) { IsUpdateExprFound = !Checker.checkStatement(First); BinOp = nullptr; if (IsUpdateExprFound) { BinOp = dyn_cast(Second); IsUpdateExprFound = BinOp && BinOp->getOpcode() == BO_Assign; } if (IsUpdateExprFound && !CurContext->isDependentContext()) { // { x++; v = x; } // { x--; v = x; } // { ++x; v = x; } // { --x; v = x; } // { x binop= expr; v = x; } // { x = x binop expr; v = x; } // { x = expr binop x; v = x; } // Check that the second expression has form v = x. Expr *PossibleX = BinOp->getRHS()->IgnoreParenImpCasts(); llvm::FoldingSetNodeID XId, PossibleXId; Checker.getX()->Profile(XId, Context, /*Canonical=*/true); PossibleX->Profile(PossibleXId, Context, /*Canonical=*/true); IsUpdateExprFound = XId == PossibleXId; if (IsUpdateExprFound) { V = BinOp->getLHS(); X = Checker.getX(); E = Checker.getExpr(); UE = Checker.getUpdateExpr(); IsXLHSInRHSPart = Checker.isXLHSInRHSPart(); IsPostfixUpdate = false; } } } if (!IsUpdateExprFound) { // { v = x; x = expr; } auto *FirstExpr = dyn_cast(First); auto *SecondExpr = dyn_cast(Second); if (!FirstExpr || !SecondExpr || !(FirstExpr->isInstantiationDependent() || SecondExpr->isInstantiationDependent())) { auto *FirstBinOp = dyn_cast(First); if (!FirstBinOp || FirstBinOp->getOpcode() != BO_Assign) { ErrorFound = NotAnAssignmentOp; NoteLoc = ErrorLoc = FirstBinOp ? FirstBinOp->getOperatorLoc() : First->getBeginLoc(); NoteRange = ErrorRange = FirstBinOp ? FirstBinOp->getSourceRange() : SourceRange(ErrorLoc, ErrorLoc); } else { auto *SecondBinOp = dyn_cast(Second); if (!SecondBinOp || SecondBinOp->getOpcode() != BO_Assign) { ErrorFound = NotAnAssignmentOp; NoteLoc = ErrorLoc = SecondBinOp ? SecondBinOp->getOperatorLoc() : Second->getBeginLoc(); NoteRange = ErrorRange = SecondBinOp ? SecondBinOp->getSourceRange() : SourceRange(ErrorLoc, ErrorLoc); } else { Expr *PossibleXRHSInFirst = FirstBinOp->getRHS()->IgnoreParenImpCasts(); Expr *PossibleXLHSInSecond = SecondBinOp->getLHS()->IgnoreParenImpCasts(); llvm::FoldingSetNodeID X1Id, X2Id; PossibleXRHSInFirst->Profile(X1Id, Context, /*Canonical=*/true); PossibleXLHSInSecond->Profile(X2Id, Context, /*Canonical=*/true); IsUpdateExprFound = X1Id == X2Id; if (IsUpdateExprFound) { V = FirstBinOp->getLHS(); X = SecondBinOp->getLHS(); E = SecondBinOp->getRHS(); UE = nullptr; IsXLHSInRHSPart = false; IsPostfixUpdate = true; } else { ErrorFound = NotASpecificExpression; ErrorLoc = FirstBinOp->getExprLoc(); ErrorRange = FirstBinOp->getSourceRange(); NoteLoc = SecondBinOp->getLHS()->getExprLoc(); NoteRange = SecondBinOp->getRHS()->getSourceRange(); } } } } } } else { NoteLoc = ErrorLoc = Body->getBeginLoc(); NoteRange = ErrorRange = SourceRange(Body->getBeginLoc(), Body->getBeginLoc()); ErrorFound = NotTwoSubstatements; } } else { NoteLoc = ErrorLoc = Body->getBeginLoc(); NoteRange = ErrorRange = SourceRange(Body->getBeginLoc(), Body->getBeginLoc()); ErrorFound = NotACompoundStatement; } if (ErrorFound != NoError) { Diag(ErrorLoc, diag::err_omp_atomic_capture_not_compound_statement) << ErrorRange; Diag(NoteLoc, diag::note_omp_atomic_capture) << ErrorFound << NoteRange; return StmtError(); } if (CurContext->isDependentContext()) UE = V = E = X = nullptr; } } setFunctionHasBranchProtectedScope(); return OMPAtomicDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, X, V, E, UE, IsXLHSInRHSPart, IsPostfixUpdate); } StmtResult Sema::ActOnOpenMPTargetDirective(ArrayRef Clauses, Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc) { if (!AStmt) return StmtError(); auto *CS = cast(AStmt); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target); ThisCaptureLevel > 1; --ThisCaptureLevel) { CS = cast(CS->getCapturedStmt()); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); } // OpenMP [2.16, Nesting of Regions] // If specified, a teams construct must be contained within a target // construct. That target construct must contain no statements or directives // outside of the teams construct. if (DSAStack->hasInnerTeamsRegion()) { const Stmt *S = CS->IgnoreContainers(/*IgnoreCaptured=*/true); bool OMPTeamsFound = true; if (const auto *CS = dyn_cast(S)) { auto I = CS->body_begin(); while (I != CS->body_end()) { const auto *OED = dyn_cast(*I); if (!OED || !isOpenMPTeamsDirective(OED->getDirectiveKind()) || OMPTeamsFound) { OMPTeamsFound = false; break; } ++I; } assert(I != CS->body_end() && "Not found statement"); S = *I; } else { const auto *OED = dyn_cast(S); OMPTeamsFound = OED && isOpenMPTeamsDirective(OED->getDirectiveKind()); } if (!OMPTeamsFound) { Diag(StartLoc, diag::err_omp_target_contains_not_only_teams); Diag(DSAStack->getInnerTeamsRegionLoc(), diag::note_omp_nested_teams_construct_here); Diag(S->getBeginLoc(), diag::note_omp_nested_statement_here) << isa(S); return StmtError(); } } setFunctionHasBranchProtectedScope(); return OMPTargetDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); } StmtResult Sema::ActOnOpenMPTargetParallelDirective(ArrayRef Clauses, Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc) { if (!AStmt) return StmtError(); auto *CS = cast(AStmt); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_parallel); ThisCaptureLevel > 1; --ThisCaptureLevel) { CS = cast(CS->getCapturedStmt()); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); } setFunctionHasBranchProtectedScope(); return OMPTargetParallelDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); } StmtResult Sema::ActOnOpenMPTargetParallelForDirective( ArrayRef Clauses, Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { if (!AStmt) return StmtError(); auto *CS = cast(AStmt); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_parallel_for); ThisCaptureLevel > 1; --ThisCaptureLevel) { CS = cast(CS->getCapturedStmt()); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); } OMPLoopDirective::HelperExprs B; // In presence of clause 'collapse' or 'ordered' with number of loops, it will // define the nested loops number. unsigned NestedLoopCount = checkOpenMPLoop(OMPD_target_parallel_for, getCollapseNumberExpr(Clauses), getOrderedNumberExpr(Clauses), CS, *this, *DSAStack, VarsWithImplicitDSA, B); if (NestedLoopCount == 0) return StmtError(); assert((CurContext->isDependentContext() || B.builtAll()) && "omp target parallel for loop exprs were not built"); if (!CurContext->isDependentContext()) { // Finalize the clauses that need pre-built expressions for CodeGen. for (OMPClause *C : Clauses) { if (auto *LC = dyn_cast(C)) if (FinishOpenMPLinearClause(*LC, cast(B.IterationVarRef), B.NumIterations, *this, CurScope, DSAStack)) return StmtError(); } } setFunctionHasBranchProtectedScope(); return OMPTargetParallelForDirective::Create(Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, DSAStack->isCancelRegion()); } /// Check for existence of a map clause in the list of clauses. static bool hasClauses(ArrayRef Clauses, const OpenMPClauseKind K) { return llvm::any_of( Clauses, [K](const OMPClause *C) { return C->getClauseKind() == K; }); } template static bool hasClauses(ArrayRef Clauses, const OpenMPClauseKind K, const Params... ClauseTypes) { return hasClauses(Clauses, K) || hasClauses(Clauses, ClauseTypes...); } StmtResult Sema::ActOnOpenMPTargetDataDirective(ArrayRef Clauses, Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc) { if (!AStmt) return StmtError(); assert(isa(AStmt) && "Captured statement expected"); // OpenMP [2.10.1, Restrictions, p. 97] // At least one map clause must appear on the directive. if (!hasClauses(Clauses, OMPC_map, OMPC_use_device_ptr)) { Diag(StartLoc, diag::err_omp_no_clause_for_directive) << "'map' or 'use_device_ptr'" << getOpenMPDirectiveName(OMPD_target_data); return StmtError(); } setFunctionHasBranchProtectedScope(); return OMPTargetDataDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); } StmtResult Sema::ActOnOpenMPTargetEnterDataDirective(ArrayRef Clauses, SourceLocation StartLoc, SourceLocation EndLoc, Stmt *AStmt) { if (!AStmt) return StmtError(); auto *CS = cast(AStmt); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_enter_data); ThisCaptureLevel > 1; --ThisCaptureLevel) { CS = cast(CS->getCapturedStmt()); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); } // OpenMP [2.10.2, Restrictions, p. 99] // At least one map clause must appear on the directive. if (!hasClauses(Clauses, OMPC_map)) { Diag(StartLoc, diag::err_omp_no_clause_for_directive) << "'map'" << getOpenMPDirectiveName(OMPD_target_enter_data); return StmtError(); } return OMPTargetEnterDataDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); } StmtResult Sema::ActOnOpenMPTargetExitDataDirective(ArrayRef Clauses, SourceLocation StartLoc, SourceLocation EndLoc, Stmt *AStmt) { if (!AStmt) return StmtError(); auto *CS = cast(AStmt); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_exit_data); ThisCaptureLevel > 1; --ThisCaptureLevel) { CS = cast(CS->getCapturedStmt()); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); } // OpenMP [2.10.3, Restrictions, p. 102] // At least one map clause must appear on the directive. if (!hasClauses(Clauses, OMPC_map)) { Diag(StartLoc, diag::err_omp_no_clause_for_directive) << "'map'" << getOpenMPDirectiveName(OMPD_target_exit_data); return StmtError(); } return OMPTargetExitDataDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); } StmtResult Sema::ActOnOpenMPTargetUpdateDirective(ArrayRef Clauses, SourceLocation StartLoc, SourceLocation EndLoc, Stmt *AStmt) { if (!AStmt) return StmtError(); auto *CS = cast(AStmt); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_update); ThisCaptureLevel > 1; --ThisCaptureLevel) { CS = cast(CS->getCapturedStmt()); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); } if (!hasClauses(Clauses, OMPC_to, OMPC_from)) { Diag(StartLoc, diag::err_omp_at_least_one_motion_clause_required); return StmtError(); } return OMPTargetUpdateDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); } StmtResult Sema::ActOnOpenMPTeamsDirective(ArrayRef Clauses, Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc) { if (!AStmt) return StmtError(); auto *CS = cast(AStmt); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); setFunctionHasBranchProtectedScope(); DSAStack->setParentTeamsRegionLoc(StartLoc); return OMPTeamsDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); } StmtResult Sema::ActOnOpenMPCancellationPointDirective(SourceLocation StartLoc, SourceLocation EndLoc, OpenMPDirectiveKind CancelRegion) { if (DSAStack->isParentNowaitRegion()) { Diag(StartLoc, diag::err_omp_parent_cancel_region_nowait) << 0; return StmtError(); } if (DSAStack->isParentOrderedRegion()) { Diag(StartLoc, diag::err_omp_parent_cancel_region_ordered) << 0; return StmtError(); } return OMPCancellationPointDirective::Create(Context, StartLoc, EndLoc, CancelRegion); } StmtResult Sema::ActOnOpenMPCancelDirective(ArrayRef Clauses, SourceLocation StartLoc, SourceLocation EndLoc, OpenMPDirectiveKind CancelRegion) { if (DSAStack->isParentNowaitRegion()) { Diag(StartLoc, diag::err_omp_parent_cancel_region_nowait) << 1; return StmtError(); } if (DSAStack->isParentOrderedRegion()) { Diag(StartLoc, diag::err_omp_parent_cancel_region_ordered) << 1; return StmtError(); } DSAStack->setParentCancelRegion(/*Cancel=*/true); return OMPCancelDirective::Create(Context, StartLoc, EndLoc, Clauses, CancelRegion); } static bool checkGrainsizeNumTasksClauses(Sema &S, ArrayRef Clauses) { const OMPClause *PrevClause = nullptr; bool ErrorFound = false; for (const OMPClause *C : Clauses) { if (C->getClauseKind() == OMPC_grainsize || C->getClauseKind() == OMPC_num_tasks) { if (!PrevClause) PrevClause = C; else if (PrevClause->getClauseKind() != C->getClauseKind()) { S.Diag(C->getBeginLoc(), diag::err_omp_grainsize_num_tasks_mutually_exclusive) << getOpenMPClauseName(C->getClauseKind()) << getOpenMPClauseName(PrevClause->getClauseKind()); S.Diag(PrevClause->getBeginLoc(), diag::note_omp_previous_grainsize_num_tasks) << getOpenMPClauseName(PrevClause->getClauseKind()); ErrorFound = true; } } } return ErrorFound; } static bool checkReductionClauseWithNogroup(Sema &S, ArrayRef Clauses) { const OMPClause *ReductionClause = nullptr; const OMPClause *NogroupClause = nullptr; for (const OMPClause *C : Clauses) { if (C->getClauseKind() == OMPC_reduction) { ReductionClause = C; if (NogroupClause) break; continue; } if (C->getClauseKind() == OMPC_nogroup) { NogroupClause = C; if (ReductionClause) break; continue; } } if (ReductionClause && NogroupClause) { S.Diag(ReductionClause->getBeginLoc(), diag::err_omp_reduction_with_nogroup) << SourceRange(NogroupClause->getBeginLoc(), NogroupClause->getEndLoc()); return true; } return false; } StmtResult Sema::ActOnOpenMPTaskLoopDirective( ArrayRef Clauses, Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { if (!AStmt) return StmtError(); assert(isa(AStmt) && "Captured statement expected"); OMPLoopDirective::HelperExprs B; // In presence of clause 'collapse' or 'ordered' with number of loops, it will // define the nested loops number. unsigned NestedLoopCount = checkOpenMPLoop(OMPD_taskloop, getCollapseNumberExpr(Clauses), /*OrderedLoopCountExpr=*/nullptr, AStmt, *this, *DSAStack, VarsWithImplicitDSA, B); if (NestedLoopCount == 0) return StmtError(); assert((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built"); // OpenMP, [2.9.2 taskloop Construct, Restrictions] // The grainsize clause and num_tasks clause are mutually exclusive and may // not appear on the same taskloop directive. if (checkGrainsizeNumTasksClauses(*this, Clauses)) return StmtError(); // OpenMP, [2.9.2 taskloop Construct, Restrictions] // If a reduction clause is present on the taskloop directive, the nogroup // clause must not be specified. if (checkReductionClauseWithNogroup(*this, Clauses)) return StmtError(); setFunctionHasBranchProtectedScope(); return OMPTaskLoopDirective::Create(Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); } StmtResult Sema::ActOnOpenMPTaskLoopSimdDirective( ArrayRef Clauses, Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { if (!AStmt) return StmtError(); assert(isa(AStmt) && "Captured statement expected"); OMPLoopDirective::HelperExprs B; // In presence of clause 'collapse' or 'ordered' with number of loops, it will // define the nested loops number. unsigned NestedLoopCount = checkOpenMPLoop(OMPD_taskloop_simd, getCollapseNumberExpr(Clauses), /*OrderedLoopCountExpr=*/nullptr, AStmt, *this, *DSAStack, VarsWithImplicitDSA, B); if (NestedLoopCount == 0) return StmtError(); assert((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built"); if (!CurContext->isDependentContext()) { // Finalize the clauses that need pre-built expressions for CodeGen. for (OMPClause *C : Clauses) { if (auto *LC = dyn_cast(C)) if (FinishOpenMPLinearClause(*LC, cast(B.IterationVarRef), B.NumIterations, *this, CurScope, DSAStack)) return StmtError(); } } // OpenMP, [2.9.2 taskloop Construct, Restrictions] // The grainsize clause and num_tasks clause are mutually exclusive and may // not appear on the same taskloop directive. if (checkGrainsizeNumTasksClauses(*this, Clauses)) return StmtError(); // OpenMP, [2.9.2 taskloop Construct, Restrictions] // If a reduction clause is present on the taskloop directive, the nogroup // clause must not be specified. if (checkReductionClauseWithNogroup(*this, Clauses)) return StmtError(); if (checkSimdlenSafelenSpecified(*this, Clauses)) return StmtError(); setFunctionHasBranchProtectedScope(); return OMPTaskLoopSimdDirective::Create(Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); } StmtResult Sema::ActOnOpenMPDistributeDirective( ArrayRef Clauses, Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { if (!AStmt) return StmtError(); assert(isa(AStmt) && "Captured statement expected"); OMPLoopDirective::HelperExprs B; // In presence of clause 'collapse' with number of loops, it will // define the nested loops number. unsigned NestedLoopCount = checkOpenMPLoop(OMPD_distribute, getCollapseNumberExpr(Clauses), nullptr /*ordered not a clause on distribute*/, AStmt, *this, *DSAStack, VarsWithImplicitDSA, B); if (NestedLoopCount == 0) return StmtError(); assert((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built"); setFunctionHasBranchProtectedScope(); return OMPDistributeDirective::Create(Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); } StmtResult Sema::ActOnOpenMPDistributeParallelForDirective( ArrayRef Clauses, Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { if (!AStmt) return StmtError(); auto *CS = cast(AStmt); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_distribute_parallel_for); ThisCaptureLevel > 1; --ThisCaptureLevel) { CS = cast(CS->getCapturedStmt()); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); } OMPLoopDirective::HelperExprs B; // In presence of clause 'collapse' with number of loops, it will // define the nested loops number. unsigned NestedLoopCount = checkOpenMPLoop( OMPD_distribute_parallel_for, getCollapseNumberExpr(Clauses), nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStack, VarsWithImplicitDSA, B); if (NestedLoopCount == 0) return StmtError(); assert((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built"); setFunctionHasBranchProtectedScope(); return OMPDistributeParallelForDirective::Create( Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, DSAStack->isCancelRegion()); } StmtResult Sema::ActOnOpenMPDistributeParallelForSimdDirective( ArrayRef Clauses, Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { if (!AStmt) return StmtError(); auto *CS = cast(AStmt); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_distribute_parallel_for_simd); ThisCaptureLevel > 1; --ThisCaptureLevel) { CS = cast(CS->getCapturedStmt()); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); } OMPLoopDirective::HelperExprs B; // In presence of clause 'collapse' with number of loops, it will // define the nested loops number. unsigned NestedLoopCount = checkOpenMPLoop( OMPD_distribute_parallel_for_simd, getCollapseNumberExpr(Clauses), nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStack, VarsWithImplicitDSA, B); if (NestedLoopCount == 0) return StmtError(); assert((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built"); if (!CurContext->isDependentContext()) { // Finalize the clauses that need pre-built expressions for CodeGen. for (OMPClause *C : Clauses) { if (auto *LC = dyn_cast(C)) if (FinishOpenMPLinearClause(*LC, cast(B.IterationVarRef), B.NumIterations, *this, CurScope, DSAStack)) return StmtError(); } } if (checkSimdlenSafelenSpecified(*this, Clauses)) return StmtError(); setFunctionHasBranchProtectedScope(); return OMPDistributeParallelForSimdDirective::Create( Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); } StmtResult Sema::ActOnOpenMPDistributeSimdDirective( ArrayRef Clauses, Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { if (!AStmt) return StmtError(); auto *CS = cast(AStmt); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_distribute_simd); ThisCaptureLevel > 1; --ThisCaptureLevel) { CS = cast(CS->getCapturedStmt()); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); } OMPLoopDirective::HelperExprs B; // In presence of clause 'collapse' with number of loops, it will // define the nested loops number. unsigned NestedLoopCount = checkOpenMPLoop(OMPD_distribute_simd, getCollapseNumberExpr(Clauses), nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStack, VarsWithImplicitDSA, B); if (NestedLoopCount == 0) return StmtError(); assert((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built"); if (!CurContext->isDependentContext()) { // Finalize the clauses that need pre-built expressions for CodeGen. for (OMPClause *C : Clauses) { if (auto *LC = dyn_cast(C)) if (FinishOpenMPLinearClause(*LC, cast(B.IterationVarRef), B.NumIterations, *this, CurScope, DSAStack)) return StmtError(); } } if (checkSimdlenSafelenSpecified(*this, Clauses)) return StmtError(); setFunctionHasBranchProtectedScope(); return OMPDistributeSimdDirective::Create(Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); } StmtResult Sema::ActOnOpenMPTargetParallelForSimdDirective( ArrayRef Clauses, Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { if (!AStmt) return StmtError(); auto *CS = cast(AStmt); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_parallel_for); ThisCaptureLevel > 1; --ThisCaptureLevel) { CS = cast(CS->getCapturedStmt()); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); } OMPLoopDirective::HelperExprs B; // In presence of clause 'collapse' or 'ordered' with number of loops, it will // define the nested loops number. unsigned NestedLoopCount = checkOpenMPLoop( OMPD_target_parallel_for_simd, getCollapseNumberExpr(Clauses), getOrderedNumberExpr(Clauses), CS, *this, *DSAStack, VarsWithImplicitDSA, B); if (NestedLoopCount == 0) return StmtError(); assert((CurContext->isDependentContext() || B.builtAll()) && "omp target parallel for simd loop exprs were not built"); if (!CurContext->isDependentContext()) { // Finalize the clauses that need pre-built expressions for CodeGen. for (OMPClause *C : Clauses) { if (auto *LC = dyn_cast(C)) if (FinishOpenMPLinearClause(*LC, cast(B.IterationVarRef), B.NumIterations, *this, CurScope, DSAStack)) return StmtError(); } } if (checkSimdlenSafelenSpecified(*this, Clauses)) return StmtError(); setFunctionHasBranchProtectedScope(); return OMPTargetParallelForSimdDirective::Create( Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); } StmtResult Sema::ActOnOpenMPTargetSimdDirective( ArrayRef Clauses, Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { if (!AStmt) return StmtError(); auto *CS = cast(AStmt); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_simd); ThisCaptureLevel > 1; --ThisCaptureLevel) { CS = cast(CS->getCapturedStmt()); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); } OMPLoopDirective::HelperExprs B; // In presence of clause 'collapse' with number of loops, it will define the // nested loops number. unsigned NestedLoopCount = checkOpenMPLoop(OMPD_target_simd, getCollapseNumberExpr(Clauses), getOrderedNumberExpr(Clauses), CS, *this, *DSAStack, VarsWithImplicitDSA, B); if (NestedLoopCount == 0) return StmtError(); assert((CurContext->isDependentContext() || B.builtAll()) && "omp target simd loop exprs were not built"); if (!CurContext->isDependentContext()) { // Finalize the clauses that need pre-built expressions for CodeGen. for (OMPClause *C : Clauses) { if (auto *LC = dyn_cast(C)) if (FinishOpenMPLinearClause(*LC, cast(B.IterationVarRef), B.NumIterations, *this, CurScope, DSAStack)) return StmtError(); } } if (checkSimdlenSafelenSpecified(*this, Clauses)) return StmtError(); setFunctionHasBranchProtectedScope(); return OMPTargetSimdDirective::Create(Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); } StmtResult Sema::ActOnOpenMPTeamsDistributeDirective( ArrayRef Clauses, Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { if (!AStmt) return StmtError(); auto *CS = cast(AStmt); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_teams_distribute); ThisCaptureLevel > 1; --ThisCaptureLevel) { CS = cast(CS->getCapturedStmt()); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); } OMPLoopDirective::HelperExprs B; // In presence of clause 'collapse' with number of loops, it will // define the nested loops number. unsigned NestedLoopCount = checkOpenMPLoop(OMPD_teams_distribute, getCollapseNumberExpr(Clauses), nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStack, VarsWithImplicitDSA, B); if (NestedLoopCount == 0) return StmtError(); assert((CurContext->isDependentContext() || B.builtAll()) && "omp teams distribute loop exprs were not built"); setFunctionHasBranchProtectedScope(); DSAStack->setParentTeamsRegionLoc(StartLoc); return OMPTeamsDistributeDirective::Create( Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); } StmtResult Sema::ActOnOpenMPTeamsDistributeSimdDirective( ArrayRef Clauses, Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { if (!AStmt) return StmtError(); auto *CS = cast(AStmt); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_teams_distribute_simd); ThisCaptureLevel > 1; --ThisCaptureLevel) { CS = cast(CS->getCapturedStmt()); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); } OMPLoopDirective::HelperExprs B; // In presence of clause 'collapse' with number of loops, it will // define the nested loops number. unsigned NestedLoopCount = checkOpenMPLoop( OMPD_teams_distribute_simd, getCollapseNumberExpr(Clauses), nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStack, VarsWithImplicitDSA, B); if (NestedLoopCount == 0) return StmtError(); assert((CurContext->isDependentContext() || B.builtAll()) && "omp teams distribute simd loop exprs were not built"); if (!CurContext->isDependentContext()) { // Finalize the clauses that need pre-built expressions for CodeGen. for (OMPClause *C : Clauses) { if (auto *LC = dyn_cast(C)) if (FinishOpenMPLinearClause(*LC, cast(B.IterationVarRef), B.NumIterations, *this, CurScope, DSAStack)) return StmtError(); } } if (checkSimdlenSafelenSpecified(*this, Clauses)) return StmtError(); setFunctionHasBranchProtectedScope(); DSAStack->setParentTeamsRegionLoc(StartLoc); return OMPTeamsDistributeSimdDirective::Create( Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); } StmtResult Sema::ActOnOpenMPTeamsDistributeParallelForSimdDirective( ArrayRef Clauses, Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { if (!AStmt) return StmtError(); auto *CS = cast(AStmt); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_teams_distribute_parallel_for_simd); ThisCaptureLevel > 1; --ThisCaptureLevel) { CS = cast(CS->getCapturedStmt()); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); } OMPLoopDirective::HelperExprs B; // In presence of clause 'collapse' with number of loops, it will // define the nested loops number. unsigned NestedLoopCount = checkOpenMPLoop( OMPD_teams_distribute_parallel_for_simd, getCollapseNumberExpr(Clauses), nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStack, VarsWithImplicitDSA, B); if (NestedLoopCount == 0) return StmtError(); assert((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built"); if (!CurContext->isDependentContext()) { // Finalize the clauses that need pre-built expressions for CodeGen. for (OMPClause *C : Clauses) { if (auto *LC = dyn_cast(C)) if (FinishOpenMPLinearClause(*LC, cast(B.IterationVarRef), B.NumIterations, *this, CurScope, DSAStack)) return StmtError(); } } if (checkSimdlenSafelenSpecified(*this, Clauses)) return StmtError(); setFunctionHasBranchProtectedScope(); DSAStack->setParentTeamsRegionLoc(StartLoc); return OMPTeamsDistributeParallelForSimdDirective::Create( Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); } StmtResult Sema::ActOnOpenMPTeamsDistributeParallelForDirective( ArrayRef Clauses, Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { if (!AStmt) return StmtError(); auto *CS = cast(AStmt); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_teams_distribute_parallel_for); ThisCaptureLevel > 1; --ThisCaptureLevel) { CS = cast(CS->getCapturedStmt()); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); } OMPLoopDirective::HelperExprs B; // In presence of clause 'collapse' with number of loops, it will // define the nested loops number. unsigned NestedLoopCount = checkOpenMPLoop( OMPD_teams_distribute_parallel_for, getCollapseNumberExpr(Clauses), nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStack, VarsWithImplicitDSA, B); if (NestedLoopCount == 0) return StmtError(); assert((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built"); setFunctionHasBranchProtectedScope(); DSAStack->setParentTeamsRegionLoc(StartLoc); return OMPTeamsDistributeParallelForDirective::Create( Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, DSAStack->isCancelRegion()); } StmtResult Sema::ActOnOpenMPTargetTeamsDirective(ArrayRef Clauses, Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc) { if (!AStmt) return StmtError(); auto *CS = cast(AStmt); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_teams); ThisCaptureLevel > 1; --ThisCaptureLevel) { CS = cast(CS->getCapturedStmt()); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); } setFunctionHasBranchProtectedScope(); return OMPTargetTeamsDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); } StmtResult Sema::ActOnOpenMPTargetTeamsDistributeDirective( ArrayRef Clauses, Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { if (!AStmt) return StmtError(); auto *CS = cast(AStmt); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_teams_distribute); ThisCaptureLevel > 1; --ThisCaptureLevel) { CS = cast(CS->getCapturedStmt()); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); } OMPLoopDirective::HelperExprs B; // In presence of clause 'collapse' with number of loops, it will // define the nested loops number. unsigned NestedLoopCount = checkOpenMPLoop( OMPD_target_teams_distribute, getCollapseNumberExpr(Clauses), nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStack, VarsWithImplicitDSA, B); if (NestedLoopCount == 0) return StmtError(); assert((CurContext->isDependentContext() || B.builtAll()) && "omp target teams distribute loop exprs were not built"); setFunctionHasBranchProtectedScope(); return OMPTargetTeamsDistributeDirective::Create( Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); } StmtResult Sema::ActOnOpenMPTargetTeamsDistributeParallelForDirective( ArrayRef Clauses, Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { if (!AStmt) return StmtError(); auto *CS = cast(AStmt); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_teams_distribute_parallel_for); ThisCaptureLevel > 1; --ThisCaptureLevel) { CS = cast(CS->getCapturedStmt()); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); } OMPLoopDirective::HelperExprs B; // In presence of clause 'collapse' with number of loops, it will // define the nested loops number. unsigned NestedLoopCount = checkOpenMPLoop( OMPD_target_teams_distribute_parallel_for, getCollapseNumberExpr(Clauses), nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStack, VarsWithImplicitDSA, B); if (NestedLoopCount == 0) return StmtError(); assert((CurContext->isDependentContext() || B.builtAll()) && "omp target teams distribute parallel for loop exprs were not built"); if (!CurContext->isDependentContext()) { // Finalize the clauses that need pre-built expressions for CodeGen. for (OMPClause *C : Clauses) { if (auto *LC = dyn_cast(C)) if (FinishOpenMPLinearClause(*LC, cast(B.IterationVarRef), B.NumIterations, *this, CurScope, DSAStack)) return StmtError(); } } setFunctionHasBranchProtectedScope(); return OMPTargetTeamsDistributeParallelForDirective::Create( Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, DSAStack->isCancelRegion()); } StmtResult Sema::ActOnOpenMPTargetTeamsDistributeParallelForSimdDirective( ArrayRef Clauses, Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { if (!AStmt) return StmtError(); auto *CS = cast(AStmt); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); for (int ThisCaptureLevel = getOpenMPCaptureLevels( OMPD_target_teams_distribute_parallel_for_simd); ThisCaptureLevel > 1; --ThisCaptureLevel) { CS = cast(CS->getCapturedStmt()); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); } OMPLoopDirective::HelperExprs B; // In presence of clause 'collapse' with number of loops, it will // define the nested loops number. unsigned NestedLoopCount = checkOpenMPLoop(OMPD_target_teams_distribute_parallel_for_simd, getCollapseNumberExpr(Clauses), nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStack, VarsWithImplicitDSA, B); if (NestedLoopCount == 0) return StmtError(); assert((CurContext->isDependentContext() || B.builtAll()) && "omp target teams distribute parallel for simd loop exprs were not " "built"); if (!CurContext->isDependentContext()) { // Finalize the clauses that need pre-built expressions for CodeGen. for (OMPClause *C : Clauses) { if (auto *LC = dyn_cast(C)) if (FinishOpenMPLinearClause(*LC, cast(B.IterationVarRef), B.NumIterations, *this, CurScope, DSAStack)) return StmtError(); } } if (checkSimdlenSafelenSpecified(*this, Clauses)) return StmtError(); setFunctionHasBranchProtectedScope(); return OMPTargetTeamsDistributeParallelForSimdDirective::Create( Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); } StmtResult Sema::ActOnOpenMPTargetTeamsDistributeSimdDirective( ArrayRef Clauses, Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { if (!AStmt) return StmtError(); auto *CS = cast(AStmt); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_teams_distribute_simd); ThisCaptureLevel > 1; --ThisCaptureLevel) { CS = cast(CS->getCapturedStmt()); // 1.2.2 OpenMP Language Terminology // Structured block - An executable statement with a single entry at the // top and a single exit at the bottom. // The point of exit cannot be a branch out of the structured block. // longjmp() and throw() must not violate the entry/exit criteria. CS->getCapturedDecl()->setNothrow(); } OMPLoopDirective::HelperExprs B; // In presence of clause 'collapse' with number of loops, it will // define the nested loops number. unsigned NestedLoopCount = checkOpenMPLoop( OMPD_target_teams_distribute_simd, getCollapseNumberExpr(Clauses), nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStack, VarsWithImplicitDSA, B); if (NestedLoopCount == 0) return StmtError(); assert((CurContext->isDependentContext() || B.builtAll()) && "omp target teams distribute simd loop exprs were not built"); if (!CurContext->isDependentContext()) { // Finalize the clauses that need pre-built expressions for CodeGen. for (OMPClause *C : Clauses) { if (auto *LC = dyn_cast(C)) if (FinishOpenMPLinearClause(*LC, cast(B.IterationVarRef), B.NumIterations, *this, CurScope, DSAStack)) return StmtError(); } } if (checkSimdlenSafelenSpecified(*this, Clauses)) return StmtError(); setFunctionHasBranchProtectedScope(); return OMPTargetTeamsDistributeSimdDirective::Create( Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); } OMPClause *Sema::ActOnOpenMPSingleExprClause(OpenMPClauseKind Kind, Expr *Expr, SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation EndLoc) { OMPClause *Res = nullptr; switch (Kind) { case OMPC_final: Res = ActOnOpenMPFinalClause(Expr, StartLoc, LParenLoc, EndLoc); break; case OMPC_num_threads: Res = ActOnOpenMPNumThreadsClause(Expr, StartLoc, LParenLoc, EndLoc); break; case OMPC_safelen: Res = ActOnOpenMPSafelenClause(Expr, StartLoc, LParenLoc, EndLoc); break; case OMPC_simdlen: Res = ActOnOpenMPSimdlenClause(Expr, StartLoc, LParenLoc, EndLoc); break; case OMPC_allocator: Res = ActOnOpenMPAllocatorClause(Expr, StartLoc, LParenLoc, EndLoc); break; case OMPC_collapse: Res = ActOnOpenMPCollapseClause(Expr, StartLoc, LParenLoc, EndLoc); break; case OMPC_ordered: Res = ActOnOpenMPOrderedClause(StartLoc, EndLoc, LParenLoc, Expr); break; case OMPC_device: Res = ActOnOpenMPDeviceClause(Expr, StartLoc, LParenLoc, EndLoc); break; case OMPC_num_teams: Res = ActOnOpenMPNumTeamsClause(Expr, StartLoc, LParenLoc, EndLoc); break; case OMPC_thread_limit: Res = ActOnOpenMPThreadLimitClause(Expr, StartLoc, LParenLoc, EndLoc); break; case OMPC_priority: Res = ActOnOpenMPPriorityClause(Expr, StartLoc, LParenLoc, EndLoc); break; case OMPC_grainsize: Res = ActOnOpenMPGrainsizeClause(Expr, StartLoc, LParenLoc, EndLoc); break; case OMPC_num_tasks: Res = ActOnOpenMPNumTasksClause(Expr, StartLoc, LParenLoc, EndLoc); break; case OMPC_hint: Res = ActOnOpenMPHintClause(Expr, StartLoc, LParenLoc, EndLoc); break; case OMPC_if: case OMPC_default: case OMPC_proc_bind: case OMPC_schedule: case OMPC_private: case OMPC_firstprivate: case OMPC_lastprivate: case OMPC_shared: case OMPC_reduction: case OMPC_task_reduction: case OMPC_in_reduction: case OMPC_linear: case OMPC_aligned: case OMPC_copyin: case OMPC_copyprivate: case OMPC_nowait: case OMPC_untied: case OMPC_mergeable: case OMPC_threadprivate: case OMPC_allocate: case OMPC_flush: case OMPC_read: case OMPC_write: case OMPC_update: case OMPC_capture: case OMPC_seq_cst: case OMPC_depend: case OMPC_threads: case OMPC_simd: case OMPC_map: case OMPC_nogroup: case OMPC_dist_schedule: case OMPC_defaultmap: case OMPC_unknown: case OMPC_uniform: case OMPC_to: case OMPC_from: case OMPC_use_device_ptr: case OMPC_is_device_ptr: case OMPC_unified_address: case OMPC_unified_shared_memory: case OMPC_reverse_offload: case OMPC_dynamic_allocators: case OMPC_atomic_default_mem_order: llvm_unreachable("Clause is not allowed."); } return Res; } // An OpenMP directive such as 'target parallel' has two captured regions: // for the 'target' and 'parallel' respectively. This function returns // the region in which to capture expressions associated with a clause. // A return value of OMPD_unknown signifies that the expression should not // be captured. static OpenMPDirectiveKind getOpenMPCaptureRegionForClause( OpenMPDirectiveKind DKind, OpenMPClauseKind CKind, OpenMPDirectiveKind NameModifier = OMPD_unknown) { OpenMPDirectiveKind CaptureRegion = OMPD_unknown; switch (CKind) { case OMPC_if: switch (DKind) { case OMPD_target_parallel: case OMPD_target_parallel_for: case OMPD_target_parallel_for_simd: // If this clause applies to the nested 'parallel' region, capture within // the 'target' region, otherwise do not capture. if (NameModifier == OMPD_unknown || NameModifier == OMPD_parallel) CaptureRegion = OMPD_target; break; case OMPD_target_teams_distribute_parallel_for: case OMPD_target_teams_distribute_parallel_for_simd: // If this clause applies to the nested 'parallel' region, capture within // the 'teams' region, otherwise do not capture. if (NameModifier == OMPD_unknown || NameModifier == OMPD_parallel) CaptureRegion = OMPD_teams; break; case OMPD_teams_distribute_parallel_for: case OMPD_teams_distribute_parallel_for_simd: CaptureRegion = OMPD_teams; break; case OMPD_target_update: case OMPD_target_enter_data: case OMPD_target_exit_data: CaptureRegion = OMPD_task; break; case OMPD_cancel: case OMPD_parallel: case OMPD_parallel_sections: case OMPD_parallel_for: case OMPD_parallel_for_simd: case OMPD_target: case OMPD_target_simd: case OMPD_target_teams: case OMPD_target_teams_distribute: case OMPD_target_teams_distribute_simd: case OMPD_distribute_parallel_for: case OMPD_distribute_parallel_for_simd: case OMPD_task: case OMPD_taskloop: case OMPD_taskloop_simd: case OMPD_target_data: // Do not capture if-clause expressions. break; case OMPD_threadprivate: case OMPD_allocate: case OMPD_taskyield: case OMPD_barrier: case OMPD_taskwait: case OMPD_cancellation_point: case OMPD_flush: case OMPD_declare_reduction: case OMPD_declare_mapper: case OMPD_declare_simd: case OMPD_declare_target: case OMPD_end_declare_target: case OMPD_teams: case OMPD_simd: case OMPD_for: case OMPD_for_simd: case OMPD_sections: case OMPD_section: case OMPD_single: case OMPD_master: case OMPD_critical: case OMPD_taskgroup: case OMPD_distribute: case OMPD_ordered: case OMPD_atomic: case OMPD_distribute_simd: case OMPD_teams_distribute: case OMPD_teams_distribute_simd: case OMPD_requires: llvm_unreachable("Unexpected OpenMP directive with if-clause"); case OMPD_unknown: llvm_unreachable("Unknown OpenMP directive"); } break; case OMPC_num_threads: switch (DKind) { case OMPD_target_parallel: case OMPD_target_parallel_for: case OMPD_target_parallel_for_simd: CaptureRegion = OMPD_target; break; case OMPD_teams_distribute_parallel_for: case OMPD_teams_distribute_parallel_for_simd: case OMPD_target_teams_distribute_parallel_for: case OMPD_target_teams_distribute_parallel_for_simd: CaptureRegion = OMPD_teams; break; case OMPD_parallel: case OMPD_parallel_sections: case OMPD_parallel_for: case OMPD_parallel_for_simd: case OMPD_distribute_parallel_for: case OMPD_distribute_parallel_for_simd: // Do not capture num_threads-clause expressions. break; case OMPD_target_data: case OMPD_target_enter_data: case OMPD_target_exit_data: case OMPD_target_update: case OMPD_target: case OMPD_target_simd: case OMPD_target_teams: case OMPD_target_teams_distribute: case OMPD_target_teams_distribute_simd: case OMPD_cancel: case OMPD_task: case OMPD_taskloop: case OMPD_taskloop_simd: case OMPD_threadprivate: case OMPD_allocate: case OMPD_taskyield: case OMPD_barrier: case OMPD_taskwait: case OMPD_cancellation_point: case OMPD_flush: case OMPD_declare_reduction: case OMPD_declare_mapper: case OMPD_declare_simd: case OMPD_declare_target: case OMPD_end_declare_target: case OMPD_teams: case OMPD_simd: case OMPD_for: case OMPD_for_simd: case OMPD_sections: case OMPD_section: case OMPD_single: case OMPD_master: case OMPD_critical: case OMPD_taskgroup: case OMPD_distribute: case OMPD_ordered: case OMPD_atomic: case OMPD_distribute_simd: case OMPD_teams_distribute: case OMPD_teams_distribute_simd: case OMPD_requires: llvm_unreachable("Unexpected OpenMP directive with num_threads-clause"); case OMPD_unknown: llvm_unreachable("Unknown OpenMP directive"); } break; case OMPC_num_teams: switch (DKind) { case OMPD_target_teams: case OMPD_target_teams_distribute: case OMPD_target_teams_distribute_simd: case OMPD_target_teams_distribute_parallel_for: case OMPD_target_teams_distribute_parallel_for_simd: CaptureRegion = OMPD_target; break; case OMPD_teams_distribute_parallel_for: case OMPD_teams_distribute_parallel_for_simd: case OMPD_teams: case OMPD_teams_distribute: case OMPD_teams_distribute_simd: // Do not capture num_teams-clause expressions. break; case OMPD_distribute_parallel_for: case OMPD_distribute_parallel_for_simd: case OMPD_task: case OMPD_taskloop: case OMPD_taskloop_simd: case OMPD_target_data: case OMPD_target_enter_data: case OMPD_target_exit_data: case OMPD_target_update: case OMPD_cancel: case OMPD_parallel: case OMPD_parallel_sections: case OMPD_parallel_for: case OMPD_parallel_for_simd: case OMPD_target: case OMPD_target_simd: case OMPD_target_parallel: case OMPD_target_parallel_for: case OMPD_target_parallel_for_simd: case OMPD_threadprivate: case OMPD_allocate: case OMPD_taskyield: case OMPD_barrier: case OMPD_taskwait: case OMPD_cancellation_point: case OMPD_flush: case OMPD_declare_reduction: case OMPD_declare_mapper: case OMPD_declare_simd: case OMPD_declare_target: case OMPD_end_declare_target: case OMPD_simd: case OMPD_for: case OMPD_for_simd: case OMPD_sections: case OMPD_section: case OMPD_single: case OMPD_master: case OMPD_critical: case OMPD_taskgroup: case OMPD_distribute: case OMPD_ordered: case OMPD_atomic: case OMPD_distribute_simd: case OMPD_requires: llvm_unreachable("Unexpected OpenMP directive with num_teams-clause"); case OMPD_unknown: llvm_unreachable("Unknown OpenMP directive"); } break; case OMPC_thread_limit: switch (DKind) { case OMPD_target_teams: case OMPD_target_teams_distribute: case OMPD_target_teams_distribute_simd: case OMPD_target_teams_distribute_parallel_for: case OMPD_target_teams_distribute_parallel_for_simd: CaptureRegion = OMPD_target; break; case OMPD_teams_distribute_parallel_for: case OMPD_teams_distribute_parallel_for_simd: case OMPD_teams: case OMPD_teams_distribute: case OMPD_teams_distribute_simd: // Do not capture thread_limit-clause expressions. break; case OMPD_distribute_parallel_for: case OMPD_distribute_parallel_for_simd: case OMPD_task: case OMPD_taskloop: case OMPD_taskloop_simd: case OMPD_target_data: case OMPD_target_enter_data: case OMPD_target_exit_data: case OMPD_target_update: case OMPD_cancel: case OMPD_parallel: case OMPD_parallel_sections: case OMPD_parallel_for: case OMPD_parallel_for_simd: case OMPD_target: case OMPD_target_simd: case OMPD_target_parallel: case OMPD_target_parallel_for: case OMPD_target_parallel_for_simd: case OMPD_threadprivate: case OMPD_allocate: case OMPD_taskyield: case OMPD_barrier: case OMPD_taskwait: case OMPD_cancellation_point: case OMPD_flush: case OMPD_declare_reduction: case OMPD_declare_mapper: case OMPD_declare_simd: case OMPD_declare_target: case OMPD_end_declare_target: case OMPD_simd: case OMPD_for: case OMPD_for_simd: case OMPD_sections: case OMPD_section: case OMPD_single: case OMPD_master: case OMPD_critical: case OMPD_taskgroup: case OMPD_distribute: case OMPD_ordered: case OMPD_atomic: case OMPD_distribute_simd: case OMPD_requires: llvm_unreachable("Unexpected OpenMP directive with thread_limit-clause"); case OMPD_unknown: llvm_unreachable("Unknown OpenMP directive"); } break; case OMPC_schedule: switch (DKind) { case OMPD_parallel_for: case OMPD_parallel_for_simd: case OMPD_distribute_parallel_for: case OMPD_distribute_parallel_for_simd: case OMPD_teams_distribute_parallel_for: case OMPD_teams_distribute_parallel_for_simd: case OMPD_target_parallel_for: case OMPD_target_parallel_for_simd: case OMPD_target_teams_distribute_parallel_for: case OMPD_target_teams_distribute_parallel_for_simd: CaptureRegion = OMPD_parallel; break; case OMPD_for: case OMPD_for_simd: // Do not capture schedule-clause expressions. break; case OMPD_task: case OMPD_taskloop: case OMPD_taskloop_simd: case OMPD_target_data: case OMPD_target_enter_data: case OMPD_target_exit_data: case OMPD_target_update: case OMPD_teams: case OMPD_teams_distribute: case OMPD_teams_distribute_simd: case OMPD_target_teams_distribute: case OMPD_target_teams_distribute_simd: case OMPD_target: case OMPD_target_simd: case OMPD_target_parallel: case OMPD_cancel: case OMPD_parallel: case OMPD_parallel_sections: case OMPD_threadprivate: case OMPD_allocate: case OMPD_taskyield: case OMPD_barrier: case OMPD_taskwait: case OMPD_cancellation_point: case OMPD_flush: case OMPD_declare_reduction: case OMPD_declare_mapper: case OMPD_declare_simd: case OMPD_declare_target: case OMPD_end_declare_target: case OMPD_simd: case OMPD_sections: case OMPD_section: case OMPD_single: case OMPD_master: case OMPD_critical: case OMPD_taskgroup: case OMPD_distribute: case OMPD_ordered: case OMPD_atomic: case OMPD_distribute_simd: case OMPD_target_teams: case OMPD_requires: llvm_unreachable("Unexpected OpenMP directive with schedule clause"); case OMPD_unknown: llvm_unreachable("Unknown OpenMP directive"); } break; case OMPC_dist_schedule: switch (DKind) { case OMPD_teams_distribute_parallel_for: case OMPD_teams_distribute_parallel_for_simd: case OMPD_teams_distribute: case OMPD_teams_distribute_simd: case OMPD_target_teams_distribute_parallel_for: case OMPD_target_teams_distribute_parallel_for_simd: case OMPD_target_teams_distribute: case OMPD_target_teams_distribute_simd: CaptureRegion = OMPD_teams; break; case OMPD_distribute_parallel_for: case OMPD_distribute_parallel_for_simd: case OMPD_distribute: case OMPD_distribute_simd: // Do not capture thread_limit-clause expressions. break; case OMPD_parallel_for: case OMPD_parallel_for_simd: case OMPD_target_parallel_for_simd: case OMPD_target_parallel_for: case OMPD_task: case OMPD_taskloop: case OMPD_taskloop_simd: case OMPD_target_data: case OMPD_target_enter_data: case OMPD_target_exit_data: case OMPD_target_update: case OMPD_teams: case OMPD_target: case OMPD_target_simd: case OMPD_target_parallel: case OMPD_cancel: case OMPD_parallel: case OMPD_parallel_sections: case OMPD_threadprivate: case OMPD_allocate: case OMPD_taskyield: case OMPD_barrier: case OMPD_taskwait: case OMPD_cancellation_point: case OMPD_flush: case OMPD_declare_reduction: case OMPD_declare_mapper: case OMPD_declare_simd: case OMPD_declare_target: case OMPD_end_declare_target: case OMPD_simd: case OMPD_for: case OMPD_for_simd: case OMPD_sections: case OMPD_section: case OMPD_single: case OMPD_master: case OMPD_critical: case OMPD_taskgroup: case OMPD_ordered: case OMPD_atomic: case OMPD_target_teams: case OMPD_requires: llvm_unreachable("Unexpected OpenMP directive with schedule clause"); case OMPD_unknown: llvm_unreachable("Unknown OpenMP directive"); } break; case OMPC_device: switch (DKind) { case OMPD_target_update: case OMPD_target_enter_data: case OMPD_target_exit_data: case OMPD_target: case OMPD_target_simd: case OMPD_target_teams: case OMPD_target_parallel: case OMPD_target_teams_distribute: case OMPD_target_teams_distribute_simd: case OMPD_target_parallel_for: case OMPD_target_parallel_for_simd: case OMPD_target_teams_distribute_parallel_for: case OMPD_target_teams_distribute_parallel_for_simd: CaptureRegion = OMPD_task; break; case OMPD_target_data: // Do not capture device-clause expressions. break; case OMPD_teams_distribute_parallel_for: case OMPD_teams_distribute_parallel_for_simd: case OMPD_teams: case OMPD_teams_distribute: case OMPD_teams_distribute_simd: case OMPD_distribute_parallel_for: case OMPD_distribute_parallel_for_simd: case OMPD_task: case OMPD_taskloop: case OMPD_taskloop_simd: case OMPD_cancel: case OMPD_parallel: case OMPD_parallel_sections: case OMPD_parallel_for: case OMPD_parallel_for_simd: case OMPD_threadprivate: case OMPD_allocate: case OMPD_taskyield: case OMPD_barrier: case OMPD_taskwait: case OMPD_cancellation_point: case OMPD_flush: case OMPD_declare_reduction: case OMPD_declare_mapper: case OMPD_declare_simd: case OMPD_declare_target: case OMPD_end_declare_target: case OMPD_simd: case OMPD_for: case OMPD_for_simd: case OMPD_sections: case OMPD_section: case OMPD_single: case OMPD_master: case OMPD_critical: case OMPD_taskgroup: case OMPD_distribute: case OMPD_ordered: case OMPD_atomic: case OMPD_distribute_simd: case OMPD_requires: llvm_unreachable("Unexpected OpenMP directive with num_teams-clause"); case OMPD_unknown: llvm_unreachable("Unknown OpenMP directive"); } break; case OMPC_firstprivate: case OMPC_lastprivate: case OMPC_reduction: case OMPC_task_reduction: case OMPC_in_reduction: case OMPC_linear: case OMPC_default: case OMPC_proc_bind: case OMPC_final: case OMPC_safelen: case OMPC_simdlen: case OMPC_allocator: case OMPC_collapse: case OMPC_private: case OMPC_shared: case OMPC_aligned: case OMPC_copyin: case OMPC_copyprivate: case OMPC_ordered: case OMPC_nowait: case OMPC_untied: case OMPC_mergeable: case OMPC_threadprivate: case OMPC_allocate: case OMPC_flush: case OMPC_read: case OMPC_write: case OMPC_update: case OMPC_capture: case OMPC_seq_cst: case OMPC_depend: case OMPC_threads: case OMPC_simd: case OMPC_map: case OMPC_priority: case OMPC_grainsize: case OMPC_nogroup: case OMPC_num_tasks: case OMPC_hint: case OMPC_defaultmap: case OMPC_unknown: case OMPC_uniform: case OMPC_to: case OMPC_from: case OMPC_use_device_ptr: case OMPC_is_device_ptr: case OMPC_unified_address: case OMPC_unified_shared_memory: case OMPC_reverse_offload: case OMPC_dynamic_allocators: case OMPC_atomic_default_mem_order: llvm_unreachable("Unexpected OpenMP clause."); } return CaptureRegion; } OMPClause *Sema::ActOnOpenMPIfClause(OpenMPDirectiveKind NameModifier, Expr *Condition, SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation NameModifierLoc, SourceLocation ColonLoc, SourceLocation EndLoc) { Expr *ValExpr = Condition; Stmt *HelperValStmt = nullptr; OpenMPDirectiveKind CaptureRegion = OMPD_unknown; if (!Condition->isValueDependent() && !Condition->isTypeDependent() && !Condition->isInstantiationDependent() && !Condition->containsUnexpandedParameterPack()) { ExprResult Val = CheckBooleanCondition(StartLoc, Condition); if (Val.isInvalid()) return nullptr; ValExpr = Val.get(); OpenMPDirectiveKind DKind = DSAStack->getCurrentDirective(); CaptureRegion = getOpenMPCaptureRegionForClause(DKind, OMPC_if, NameModifier); if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { ValExpr = MakeFullExpr(ValExpr).get(); llvm::MapVector Captures; ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); HelperValStmt = buildPreInits(Context, Captures); } } return new (Context) OMPIfClause(NameModifier, ValExpr, HelperValStmt, CaptureRegion, StartLoc, LParenLoc, NameModifierLoc, ColonLoc, EndLoc); } OMPClause *Sema::ActOnOpenMPFinalClause(Expr *Condition, SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation EndLoc) { Expr *ValExpr = Condition; if (!Condition->isValueDependent() && !Condition->isTypeDependent() && !Condition->isInstantiationDependent() && !Condition->containsUnexpandedParameterPack()) { ExprResult Val = CheckBooleanCondition(StartLoc, Condition); if (Val.isInvalid()) return nullptr; ValExpr = MakeFullExpr(Val.get()).get(); } return new (Context) OMPFinalClause(ValExpr, StartLoc, LParenLoc, EndLoc); } ExprResult Sema::PerformOpenMPImplicitIntegerConversion(SourceLocation Loc, Expr *Op) { if (!Op) return ExprError(); class IntConvertDiagnoser : public ICEConvertDiagnoser { public: IntConvertDiagnoser() : ICEConvertDiagnoser(/*AllowScopedEnumerations*/ false, false, true) {} SemaDiagnosticBuilder diagnoseNotInt(Sema &S, SourceLocation Loc, QualType T) override { return S.Diag(Loc, diag::err_omp_not_integral) << T; } SemaDiagnosticBuilder diagnoseIncomplete(Sema &S, SourceLocation Loc, QualType T) override { return S.Diag(Loc, diag::err_omp_incomplete_type) << T; } SemaDiagnosticBuilder diagnoseExplicitConv(Sema &S, SourceLocation Loc, QualType T, QualType ConvTy) override { return S.Diag(Loc, diag::err_omp_explicit_conversion) << T << ConvTy; } SemaDiagnosticBuilder noteExplicitConv(Sema &S, CXXConversionDecl *Conv, QualType ConvTy) override { return S.Diag(Conv->getLocation(), diag::note_omp_conversion_here) << ConvTy->isEnumeralType() << ConvTy; } SemaDiagnosticBuilder diagnoseAmbiguous(Sema &S, SourceLocation Loc, QualType T) override { return S.Diag(Loc, diag::err_omp_ambiguous_conversion) << T; } SemaDiagnosticBuilder noteAmbiguous(Sema &S, CXXConversionDecl *Conv, QualType ConvTy) override { return S.Diag(Conv->getLocation(), diag::note_omp_conversion_here) << ConvTy->isEnumeralType() << ConvTy; } SemaDiagnosticBuilder diagnoseConversion(Sema &, SourceLocation, QualType, QualType) override { llvm_unreachable("conversion functions are permitted"); } } ConvertDiagnoser; return PerformContextualImplicitConversion(Loc, Op, ConvertDiagnoser); } static bool isNonNegativeIntegerValue(Expr *&ValExpr, Sema &SemaRef, OpenMPClauseKind CKind, bool StrictlyPositive) { if (!ValExpr->isTypeDependent() && !ValExpr->isValueDependent() && !ValExpr->isInstantiationDependent()) { SourceLocation Loc = ValExpr->getExprLoc(); ExprResult Value = SemaRef.PerformOpenMPImplicitIntegerConversion(Loc, ValExpr); if (Value.isInvalid()) return false; ValExpr = Value.get(); // The expression must evaluate to a non-negative integer value. llvm::APSInt Result; if (ValExpr->isIntegerConstantExpr(Result, SemaRef.Context) && Result.isSigned() && !((!StrictlyPositive && Result.isNonNegative()) || (StrictlyPositive && Result.isStrictlyPositive()))) { SemaRef.Diag(Loc, diag::err_omp_negative_expression_in_clause) << getOpenMPClauseName(CKind) << (StrictlyPositive ? 1 : 0) << ValExpr->getSourceRange(); return false; } } return true; } OMPClause *Sema::ActOnOpenMPNumThreadsClause(Expr *NumThreads, SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation EndLoc) { Expr *ValExpr = NumThreads; Stmt *HelperValStmt = nullptr; // OpenMP [2.5, Restrictions] // The num_threads expression must evaluate to a positive integer value. if (!isNonNegativeIntegerValue(ValExpr, *this, OMPC_num_threads, /*StrictlyPositive=*/true)) return nullptr; OpenMPDirectiveKind DKind = DSAStack->getCurrentDirective(); OpenMPDirectiveKind CaptureRegion = getOpenMPCaptureRegionForClause(DKind, OMPC_num_threads); if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { ValExpr = MakeFullExpr(ValExpr).get(); llvm::MapVector Captures; ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); HelperValStmt = buildPreInits(Context, Captures); } return new (Context) OMPNumThreadsClause( ValExpr, HelperValStmt, CaptureRegion, StartLoc, LParenLoc, EndLoc); } ExprResult Sema::VerifyPositiveIntegerConstantInClause(Expr *E, OpenMPClauseKind CKind, bool StrictlyPositive) { if (!E) return ExprError(); if (E->isValueDependent() || E->isTypeDependent() || E->isInstantiationDependent() || E->containsUnexpandedParameterPack()) return E; llvm::APSInt Result; ExprResult ICE = VerifyIntegerConstantExpression(E, &Result); if (ICE.isInvalid()) return ExprError(); if ((StrictlyPositive && !Result.isStrictlyPositive()) || (!StrictlyPositive && !Result.isNonNegative())) { Diag(E->getExprLoc(), diag::err_omp_negative_expression_in_clause) << getOpenMPClauseName(CKind) << (StrictlyPositive ? 1 : 0) << E->getSourceRange(); return ExprError(); } if (CKind == OMPC_aligned && !Result.isPowerOf2()) { Diag(E->getExprLoc(), diag::warn_omp_alignment_not_power_of_two) << E->getSourceRange(); return ExprError(); } if (CKind == OMPC_collapse && DSAStack->getAssociatedLoops() == 1) DSAStack->setAssociatedLoops(Result.getExtValue()); else if (CKind == OMPC_ordered) DSAStack->setAssociatedLoops(Result.getExtValue()); return ICE; } OMPClause *Sema::ActOnOpenMPSafelenClause(Expr *Len, SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation EndLoc) { // OpenMP [2.8.1, simd construct, Description] // The parameter of the safelen clause must be a constant // positive integer expression. ExprResult Safelen = VerifyPositiveIntegerConstantInClause(Len, OMPC_safelen); if (Safelen.isInvalid()) return nullptr; return new (Context) OMPSafelenClause(Safelen.get(), StartLoc, LParenLoc, EndLoc); } OMPClause *Sema::ActOnOpenMPSimdlenClause(Expr *Len, SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation EndLoc) { // OpenMP [2.8.1, simd construct, Description] // The parameter of the simdlen clause must be a constant // positive integer expression. ExprResult Simdlen = VerifyPositiveIntegerConstantInClause(Len, OMPC_simdlen); if (Simdlen.isInvalid()) return nullptr; return new (Context) OMPSimdlenClause(Simdlen.get(), StartLoc, LParenLoc, EndLoc); } /// Tries to find omp_allocator_handle_t type. static bool findOMPAllocatorHandleT(Sema &S, SourceLocation Loc, DSAStackTy *Stack) { QualType OMPAllocatorHandleT = Stack->getOMPAllocatorHandleT(); if (!OMPAllocatorHandleT.isNull()) return true; // Build the predefined allocator expressions. bool ErrorFound = false; for (int I = OMPAllocateDeclAttr::OMPDefaultMemAlloc; I < OMPAllocateDeclAttr::OMPUserDefinedMemAlloc; ++I) { auto AllocatorKind = static_cast(I); StringRef Allocator = OMPAllocateDeclAttr::ConvertAllocatorTypeTyToStr(AllocatorKind); DeclarationName AllocatorName = &S.getASTContext().Idents.get(Allocator); auto *VD = dyn_cast_or_null( S.LookupSingleName(S.TUScope, AllocatorName, Loc, Sema::LookupAnyName)); if (!VD) { ErrorFound = true; break; } QualType AllocatorType = VD->getType().getNonLValueExprType(S.getASTContext()); ExprResult Res = S.BuildDeclRefExpr(VD, AllocatorType, VK_LValue, Loc); if (!Res.isUsable()) { ErrorFound = true; break; } if (OMPAllocatorHandleT.isNull()) OMPAllocatorHandleT = AllocatorType; if (!S.getASTContext().hasSameType(OMPAllocatorHandleT, AllocatorType)) { ErrorFound = true; break; } Stack->setAllocator(AllocatorKind, Res.get()); } if (ErrorFound) { S.Diag(Loc, diag::err_implied_omp_allocator_handle_t_not_found); return false; } OMPAllocatorHandleT.addConst(); Stack->setOMPAllocatorHandleT(OMPAllocatorHandleT); return true; } OMPClause *Sema::ActOnOpenMPAllocatorClause(Expr *A, SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation EndLoc) { // OpenMP [2.11.3, allocate Directive, Description] // allocator is an expression of omp_allocator_handle_t type. if (!findOMPAllocatorHandleT(*this, A->getExprLoc(), DSAStack)) return nullptr; ExprResult Allocator = DefaultLvalueConversion(A); if (Allocator.isInvalid()) return nullptr; Allocator = PerformImplicitConversion(Allocator.get(), DSAStack->getOMPAllocatorHandleT(), Sema::AA_Initializing, /*AllowExplicit=*/true); if (Allocator.isInvalid()) return nullptr; return new (Context) OMPAllocatorClause(Allocator.get(), StartLoc, LParenLoc, EndLoc); } OMPClause *Sema::ActOnOpenMPCollapseClause(Expr *NumForLoops, SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation EndLoc) { // OpenMP [2.7.1, loop construct, Description] // OpenMP [2.8.1, simd construct, Description] // OpenMP [2.9.6, distribute construct, Description] // The parameter of the collapse clause must be a constant // positive integer expression. ExprResult NumForLoopsResult = VerifyPositiveIntegerConstantInClause(NumForLoops, OMPC_collapse); if (NumForLoopsResult.isInvalid()) return nullptr; return new (Context) OMPCollapseClause(NumForLoopsResult.get(), StartLoc, LParenLoc, EndLoc); } OMPClause *Sema::ActOnOpenMPOrderedClause(SourceLocation StartLoc, SourceLocation EndLoc, SourceLocation LParenLoc, Expr *NumForLoops) { // OpenMP [2.7.1, loop construct, Description] // OpenMP [2.8.1, simd construct, Description] // OpenMP [2.9.6, distribute construct, Description] // The parameter of the ordered clause must be a constant // positive integer expression if any. if (NumForLoops && LParenLoc.isValid()) { ExprResult NumForLoopsResult = VerifyPositiveIntegerConstantInClause(NumForLoops, OMPC_ordered); if (NumForLoopsResult.isInvalid()) return nullptr; NumForLoops = NumForLoopsResult.get(); } else { NumForLoops = nullptr; } auto *Clause = OMPOrderedClause::Create( Context, NumForLoops, NumForLoops ? DSAStack->getAssociatedLoops() : 0, StartLoc, LParenLoc, EndLoc); DSAStack->setOrderedRegion(/*IsOrdered=*/true, NumForLoops, Clause); return Clause; } OMPClause *Sema::ActOnOpenMPSimpleClause( OpenMPClauseKind Kind, unsigned Argument, SourceLocation ArgumentLoc, SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation EndLoc) { OMPClause *Res = nullptr; switch (Kind) { case OMPC_default: Res = ActOnOpenMPDefaultClause(static_cast(Argument), ArgumentLoc, StartLoc, LParenLoc, EndLoc); break; case OMPC_proc_bind: Res = ActOnOpenMPProcBindClause( static_cast(Argument), ArgumentLoc, StartLoc, LParenLoc, EndLoc); break; case OMPC_atomic_default_mem_order: Res = ActOnOpenMPAtomicDefaultMemOrderClause( static_cast(Argument), ArgumentLoc, StartLoc, LParenLoc, EndLoc); break; case OMPC_if: case OMPC_final: case OMPC_num_threads: case OMPC_safelen: case OMPC_simdlen: case OMPC_allocator: case OMPC_collapse: case OMPC_schedule: case OMPC_private: case OMPC_firstprivate: case OMPC_lastprivate: case OMPC_shared: case OMPC_reduction: case OMPC_task_reduction: case OMPC_in_reduction: case OMPC_linear: case OMPC_aligned: case OMPC_copyin: case OMPC_copyprivate: case OMPC_ordered: case OMPC_nowait: case OMPC_untied: case OMPC_mergeable: case OMPC_threadprivate: case OMPC_allocate: case OMPC_flush: case OMPC_read: case OMPC_write: case OMPC_update: case OMPC_capture: case OMPC_seq_cst: case OMPC_depend: case OMPC_device: case OMPC_threads: case OMPC_simd: case OMPC_map: case OMPC_num_teams: case OMPC_thread_limit: case OMPC_priority: case OMPC_grainsize: case OMPC_nogroup: case OMPC_num_tasks: case OMPC_hint: case OMPC_dist_schedule: case OMPC_defaultmap: case OMPC_unknown: case OMPC_uniform: case OMPC_to: case OMPC_from: case OMPC_use_device_ptr: case OMPC_is_device_ptr: case OMPC_unified_address: case OMPC_unified_shared_memory: case OMPC_reverse_offload: case OMPC_dynamic_allocators: llvm_unreachable("Clause is not allowed."); } return Res; } static std::string getListOfPossibleValues(OpenMPClauseKind K, unsigned First, unsigned Last, ArrayRef Exclude = llvm::None) { SmallString<256> Buffer; llvm::raw_svector_ostream Out(Buffer); unsigned Bound = Last >= 2 ? Last - 2 : 0; unsigned Skipped = Exclude.size(); auto S = Exclude.begin(), E = Exclude.end(); for (unsigned I = First; I < Last; ++I) { if (std::find(S, E, I) != E) { --Skipped; continue; } Out << "'" << getOpenMPSimpleClauseTypeName(K, I) << "'"; if (I == Bound - Skipped) Out << " or "; else if (I != Bound + 1 - Skipped) Out << ", "; } return Out.str(); } OMPClause *Sema::ActOnOpenMPDefaultClause(OpenMPDefaultClauseKind Kind, SourceLocation KindKwLoc, SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation EndLoc) { if (Kind == OMPC_DEFAULT_unknown) { static_assert(OMPC_DEFAULT_unknown > 0, "OMPC_DEFAULT_unknown not greater than 0"); Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) << getListOfPossibleValues(OMPC_default, /*First=*/0, /*Last=*/OMPC_DEFAULT_unknown) << getOpenMPClauseName(OMPC_default); return nullptr; } switch (Kind) { case OMPC_DEFAULT_none: DSAStack->setDefaultDSANone(KindKwLoc); break; case OMPC_DEFAULT_shared: DSAStack->setDefaultDSAShared(KindKwLoc); break; case OMPC_DEFAULT_unknown: llvm_unreachable("Clause kind is not allowed."); break; } return new (Context) OMPDefaultClause(Kind, KindKwLoc, StartLoc, LParenLoc, EndLoc); } OMPClause *Sema::ActOnOpenMPProcBindClause(OpenMPProcBindClauseKind Kind, SourceLocation KindKwLoc, SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation EndLoc) { if (Kind == OMPC_PROC_BIND_unknown) { Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) << getListOfPossibleValues(OMPC_proc_bind, /*First=*/0, /*Last=*/OMPC_PROC_BIND_unknown) << getOpenMPClauseName(OMPC_proc_bind); return nullptr; } return new (Context) OMPProcBindClause(Kind, KindKwLoc, StartLoc, LParenLoc, EndLoc); } OMPClause *Sema::ActOnOpenMPAtomicDefaultMemOrderClause( OpenMPAtomicDefaultMemOrderClauseKind Kind, SourceLocation KindKwLoc, SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation EndLoc) { if (Kind == OMPC_ATOMIC_DEFAULT_MEM_ORDER_unknown) { Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) << getListOfPossibleValues( OMPC_atomic_default_mem_order, /*First=*/0, /*Last=*/OMPC_ATOMIC_DEFAULT_MEM_ORDER_unknown) << getOpenMPClauseName(OMPC_atomic_default_mem_order); return nullptr; } return new (Context) OMPAtomicDefaultMemOrderClause(Kind, KindKwLoc, StartLoc, LParenLoc, EndLoc); } OMPClause *Sema::ActOnOpenMPSingleExprWithArgClause( OpenMPClauseKind Kind, ArrayRef Argument, Expr *Expr, SourceLocation StartLoc, SourceLocation LParenLoc, ArrayRef ArgumentLoc, SourceLocation DelimLoc, SourceLocation EndLoc) { OMPClause *Res = nullptr; switch (Kind) { case OMPC_schedule: enum { Modifier1, Modifier2, ScheduleKind, NumberOfElements }; assert(Argument.size() == NumberOfElements && ArgumentLoc.size() == NumberOfElements); Res = ActOnOpenMPScheduleClause( static_cast(Argument[Modifier1]), static_cast(Argument[Modifier2]), static_cast(Argument[ScheduleKind]), Expr, StartLoc, LParenLoc, ArgumentLoc[Modifier1], ArgumentLoc[Modifier2], ArgumentLoc[ScheduleKind], DelimLoc, EndLoc); break; case OMPC_if: assert(Argument.size() == 1 && ArgumentLoc.size() == 1); Res = ActOnOpenMPIfClause(static_cast(Argument.back()), Expr, StartLoc, LParenLoc, ArgumentLoc.back(), DelimLoc, EndLoc); break; case OMPC_dist_schedule: Res = ActOnOpenMPDistScheduleClause( static_cast(Argument.back()), Expr, StartLoc, LParenLoc, ArgumentLoc.back(), DelimLoc, EndLoc); break; case OMPC_defaultmap: enum { Modifier, DefaultmapKind }; Res = ActOnOpenMPDefaultmapClause( static_cast(Argument[Modifier]), static_cast(Argument[DefaultmapKind]), StartLoc, LParenLoc, ArgumentLoc[Modifier], ArgumentLoc[DefaultmapKind], EndLoc); break; case OMPC_final: case OMPC_num_threads: case OMPC_safelen: case OMPC_simdlen: case OMPC_allocator: case OMPC_collapse: case OMPC_default: case OMPC_proc_bind: case OMPC_private: case OMPC_firstprivate: case OMPC_lastprivate: case OMPC_shared: case OMPC_reduction: case OMPC_task_reduction: case OMPC_in_reduction: case OMPC_linear: case OMPC_aligned: case OMPC_copyin: case OMPC_copyprivate: case OMPC_ordered: case OMPC_nowait: case OMPC_untied: case OMPC_mergeable: case OMPC_threadprivate: case OMPC_allocate: case OMPC_flush: case OMPC_read: case OMPC_write: case OMPC_update: case OMPC_capture: case OMPC_seq_cst: case OMPC_depend: case OMPC_device: case OMPC_threads: case OMPC_simd: case OMPC_map: case OMPC_num_teams: case OMPC_thread_limit: case OMPC_priority: case OMPC_grainsize: case OMPC_nogroup: case OMPC_num_tasks: case OMPC_hint: case OMPC_unknown: case OMPC_uniform: case OMPC_to: case OMPC_from: case OMPC_use_device_ptr: case OMPC_is_device_ptr: case OMPC_unified_address: case OMPC_unified_shared_memory: case OMPC_reverse_offload: case OMPC_dynamic_allocators: case OMPC_atomic_default_mem_order: llvm_unreachable("Clause is not allowed."); } return Res; } static bool checkScheduleModifiers(Sema &S, OpenMPScheduleClauseModifier M1, OpenMPScheduleClauseModifier M2, SourceLocation M1Loc, SourceLocation M2Loc) { if (M1 == OMPC_SCHEDULE_MODIFIER_unknown && M1Loc.isValid()) { SmallVector Excluded; if (M2 != OMPC_SCHEDULE_MODIFIER_unknown) Excluded.push_back(M2); if (M2 == OMPC_SCHEDULE_MODIFIER_nonmonotonic) Excluded.push_back(OMPC_SCHEDULE_MODIFIER_monotonic); if (M2 == OMPC_SCHEDULE_MODIFIER_monotonic) Excluded.push_back(OMPC_SCHEDULE_MODIFIER_nonmonotonic); S.Diag(M1Loc, diag::err_omp_unexpected_clause_value) << getListOfPossibleValues(OMPC_schedule, /*First=*/OMPC_SCHEDULE_MODIFIER_unknown + 1, /*Last=*/OMPC_SCHEDULE_MODIFIER_last, Excluded) << getOpenMPClauseName(OMPC_schedule); return true; } return false; } OMPClause *Sema::ActOnOpenMPScheduleClause( OpenMPScheduleClauseModifier M1, OpenMPScheduleClauseModifier M2, OpenMPScheduleClauseKind Kind, Expr *ChunkSize, SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation M1Loc, SourceLocation M2Loc, SourceLocation KindLoc, SourceLocation CommaLoc, SourceLocation EndLoc) { if (checkScheduleModifiers(*this, M1, M2, M1Loc, M2Loc) || checkScheduleModifiers(*this, M2, M1, M2Loc, M1Loc)) return nullptr; // OpenMP, 2.7.1, Loop Construct, Restrictions // Either the monotonic modifier or the nonmonotonic modifier can be specified // but not both. if ((M1 == M2 && M1 != OMPC_SCHEDULE_MODIFIER_unknown) || (M1 == OMPC_SCHEDULE_MODIFIER_monotonic && M2 == OMPC_SCHEDULE_MODIFIER_nonmonotonic) || (M1 == OMPC_SCHEDULE_MODIFIER_nonmonotonic && M2 == OMPC_SCHEDULE_MODIFIER_monotonic)) { Diag(M2Loc, diag::err_omp_unexpected_schedule_modifier) << getOpenMPSimpleClauseTypeName(OMPC_schedule, M2) << getOpenMPSimpleClauseTypeName(OMPC_schedule, M1); return nullptr; } if (Kind == OMPC_SCHEDULE_unknown) { std::string Values; if (M1Loc.isInvalid() && M2Loc.isInvalid()) { unsigned Exclude[] = {OMPC_SCHEDULE_unknown}; Values = getListOfPossibleValues(OMPC_schedule, /*First=*/0, /*Last=*/OMPC_SCHEDULE_MODIFIER_last, Exclude); } else { Values = getListOfPossibleValues(OMPC_schedule, /*First=*/0, /*Last=*/OMPC_SCHEDULE_unknown); } Diag(KindLoc, diag::err_omp_unexpected_clause_value) << Values << getOpenMPClauseName(OMPC_schedule); return nullptr; } // OpenMP, 2.7.1, Loop Construct, Restrictions // The nonmonotonic modifier can only be specified with schedule(dynamic) or // schedule(guided). if ((M1 == OMPC_SCHEDULE_MODIFIER_nonmonotonic || M2 == OMPC_SCHEDULE_MODIFIER_nonmonotonic) && Kind != OMPC_SCHEDULE_dynamic && Kind != OMPC_SCHEDULE_guided) { Diag(M1 == OMPC_SCHEDULE_MODIFIER_nonmonotonic ? M1Loc : M2Loc, diag::err_omp_schedule_nonmonotonic_static); return nullptr; } Expr *ValExpr = ChunkSize; Stmt *HelperValStmt = nullptr; if (ChunkSize) { if (!ChunkSize->isValueDependent() && !ChunkSize->isTypeDependent() && !ChunkSize->isInstantiationDependent() && !ChunkSize->containsUnexpandedParameterPack()) { SourceLocation ChunkSizeLoc = ChunkSize->getBeginLoc(); ExprResult Val = PerformOpenMPImplicitIntegerConversion(ChunkSizeLoc, ChunkSize); if (Val.isInvalid()) return nullptr; ValExpr = Val.get(); // OpenMP [2.7.1, Restrictions] // chunk_size must be a loop invariant integer expression with a positive // value. llvm::APSInt Result; if (ValExpr->isIntegerConstantExpr(Result, Context)) { if (Result.isSigned() && !Result.isStrictlyPositive()) { Diag(ChunkSizeLoc, diag::err_omp_negative_expression_in_clause) << "schedule" << 1 << ChunkSize->getSourceRange(); return nullptr; } } else if (getOpenMPCaptureRegionForClause( DSAStack->getCurrentDirective(), OMPC_schedule) != OMPD_unknown && !CurContext->isDependentContext()) { ValExpr = MakeFullExpr(ValExpr).get(); llvm::MapVector Captures; ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); HelperValStmt = buildPreInits(Context, Captures); } } } return new (Context) OMPScheduleClause(StartLoc, LParenLoc, KindLoc, CommaLoc, EndLoc, Kind, ValExpr, HelperValStmt, M1, M1Loc, M2, M2Loc); } OMPClause *Sema::ActOnOpenMPClause(OpenMPClauseKind Kind, SourceLocation StartLoc, SourceLocation EndLoc) { OMPClause *Res = nullptr; switch (Kind) { case OMPC_ordered: Res = ActOnOpenMPOrderedClause(StartLoc, EndLoc); break; case OMPC_nowait: Res = ActOnOpenMPNowaitClause(StartLoc, EndLoc); break; case OMPC_untied: Res = ActOnOpenMPUntiedClause(StartLoc, EndLoc); break; case OMPC_mergeable: Res = ActOnOpenMPMergeableClause(StartLoc, EndLoc); break; case OMPC_read: Res = ActOnOpenMPReadClause(StartLoc, EndLoc); break; case OMPC_write: Res = ActOnOpenMPWriteClause(StartLoc, EndLoc); break; case OMPC_update: Res = ActOnOpenMPUpdateClause(StartLoc, EndLoc); break; case OMPC_capture: Res = ActOnOpenMPCaptureClause(StartLoc, EndLoc); break; case OMPC_seq_cst: Res = ActOnOpenMPSeqCstClause(StartLoc, EndLoc); break; case OMPC_threads: Res = ActOnOpenMPThreadsClause(StartLoc, EndLoc); break; case OMPC_simd: Res = ActOnOpenMPSIMDClause(StartLoc, EndLoc); break; case OMPC_nogroup: Res = ActOnOpenMPNogroupClause(StartLoc, EndLoc); break; case OMPC_unified_address: Res = ActOnOpenMPUnifiedAddressClause(StartLoc, EndLoc); break; case OMPC_unified_shared_memory: Res = ActOnOpenMPUnifiedSharedMemoryClause(StartLoc, EndLoc); break; case OMPC_reverse_offload: Res = ActOnOpenMPReverseOffloadClause(StartLoc, EndLoc); break; case OMPC_dynamic_allocators: Res = ActOnOpenMPDynamicAllocatorsClause(StartLoc, EndLoc); break; case OMPC_if: case OMPC_final: case OMPC_num_threads: case OMPC_safelen: case OMPC_simdlen: case OMPC_allocator: case OMPC_collapse: case OMPC_schedule: case OMPC_private: case OMPC_firstprivate: case OMPC_lastprivate: case OMPC_shared: case OMPC_reduction: case OMPC_task_reduction: case OMPC_in_reduction: case OMPC_linear: case OMPC_aligned: case OMPC_copyin: case OMPC_copyprivate: case OMPC_default: case OMPC_proc_bind: case OMPC_threadprivate: case OMPC_allocate: case OMPC_flush: case OMPC_depend: case OMPC_device: case OMPC_map: case OMPC_num_teams: case OMPC_thread_limit: case OMPC_priority: case OMPC_grainsize: case OMPC_num_tasks: case OMPC_hint: case OMPC_dist_schedule: case OMPC_defaultmap: case OMPC_unknown: case OMPC_uniform: case OMPC_to: case OMPC_from: case OMPC_use_device_ptr: case OMPC_is_device_ptr: case OMPC_atomic_default_mem_order: llvm_unreachable("Clause is not allowed."); } return Res; } OMPClause *Sema::ActOnOpenMPNowaitClause(SourceLocation StartLoc, SourceLocation EndLoc) { DSAStack->setNowaitRegion(); return new (Context) OMPNowaitClause(StartLoc, EndLoc); } OMPClause *Sema::ActOnOpenMPUntiedClause(SourceLocation StartLoc, SourceLocation EndLoc) { return new (Context) OMPUntiedClause(StartLoc, EndLoc); } OMPClause *Sema::ActOnOpenMPMergeableClause(SourceLocation StartLoc, SourceLocation EndLoc) { return new (Context) OMPMergeableClause(StartLoc, EndLoc); } OMPClause *Sema::ActOnOpenMPReadClause(SourceLocation StartLoc, SourceLocation EndLoc) { return new (Context) OMPReadClause(StartLoc, EndLoc); } OMPClause *Sema::ActOnOpenMPWriteClause(SourceLocation StartLoc, SourceLocation EndLoc) { return new (Context) OMPWriteClause(StartLoc, EndLoc); } OMPClause *Sema::ActOnOpenMPUpdateClause(SourceLocation StartLoc, SourceLocation EndLoc) { return new (Context) OMPUpdateClause(StartLoc, EndLoc); } OMPClause *Sema::ActOnOpenMPCaptureClause(SourceLocation StartLoc, SourceLocation EndLoc) { return new (Context) OMPCaptureClause(StartLoc, EndLoc); } OMPClause *Sema::ActOnOpenMPSeqCstClause(SourceLocation StartLoc, SourceLocation EndLoc) { return new (Context) OMPSeqCstClause(StartLoc, EndLoc); } OMPClause *Sema::ActOnOpenMPThreadsClause(SourceLocation StartLoc, SourceLocation EndLoc) { return new (Context) OMPThreadsClause(StartLoc, EndLoc); } OMPClause *Sema::ActOnOpenMPSIMDClause(SourceLocation StartLoc, SourceLocation EndLoc) { return new (Context) OMPSIMDClause(StartLoc, EndLoc); } OMPClause *Sema::ActOnOpenMPNogroupClause(SourceLocation StartLoc, SourceLocation EndLoc) { return new (Context) OMPNogroupClause(StartLoc, EndLoc); } OMPClause *Sema::ActOnOpenMPUnifiedAddressClause(SourceLocation StartLoc, SourceLocation EndLoc) { return new (Context) OMPUnifiedAddressClause(StartLoc, EndLoc); } OMPClause *Sema::ActOnOpenMPUnifiedSharedMemoryClause(SourceLocation StartLoc, SourceLocation EndLoc) { return new (Context) OMPUnifiedSharedMemoryClause(StartLoc, EndLoc); } OMPClause *Sema::ActOnOpenMPReverseOffloadClause(SourceLocation StartLoc, SourceLocation EndLoc) { return new (Context) OMPReverseOffloadClause(StartLoc, EndLoc); } OMPClause *Sema::ActOnOpenMPDynamicAllocatorsClause(SourceLocation StartLoc, SourceLocation EndLoc) { return new (Context) OMPDynamicAllocatorsClause(StartLoc, EndLoc); } OMPClause *Sema::ActOnOpenMPVarListClause( OpenMPClauseKind Kind, ArrayRef VarList, Expr *TailExpr, const OMPVarListLocTy &Locs, SourceLocation ColonLoc, CXXScopeSpec &ReductionOrMapperIdScopeSpec, DeclarationNameInfo &ReductionOrMapperId, OpenMPDependClauseKind DepKind, OpenMPLinearClauseKind LinKind, ArrayRef MapTypeModifiers, ArrayRef MapTypeModifiersLoc, OpenMPMapClauseKind MapType, bool IsMapTypeImplicit, SourceLocation DepLinMapLoc) { SourceLocation StartLoc = Locs.StartLoc; SourceLocation LParenLoc = Locs.LParenLoc; SourceLocation EndLoc = Locs.EndLoc; OMPClause *Res = nullptr; switch (Kind) { case OMPC_private: Res = ActOnOpenMPPrivateClause(VarList, StartLoc, LParenLoc, EndLoc); break; case OMPC_firstprivate: Res = ActOnOpenMPFirstprivateClause(VarList, StartLoc, LParenLoc, EndLoc); break; case OMPC_lastprivate: Res = ActOnOpenMPLastprivateClause(VarList, StartLoc, LParenLoc, EndLoc); break; case OMPC_shared: Res = ActOnOpenMPSharedClause(VarList, StartLoc, LParenLoc, EndLoc); break; case OMPC_reduction: Res = ActOnOpenMPReductionClause(VarList, StartLoc, LParenLoc, ColonLoc, EndLoc, ReductionOrMapperIdScopeSpec, ReductionOrMapperId); break; case OMPC_task_reduction: Res = ActOnOpenMPTaskReductionClause(VarList, StartLoc, LParenLoc, ColonLoc, EndLoc, ReductionOrMapperIdScopeSpec, ReductionOrMapperId); break; case OMPC_in_reduction: Res = ActOnOpenMPInReductionClause(VarList, StartLoc, LParenLoc, ColonLoc, EndLoc, ReductionOrMapperIdScopeSpec, ReductionOrMapperId); break; case OMPC_linear: Res = ActOnOpenMPLinearClause(VarList, TailExpr, StartLoc, LParenLoc, LinKind, DepLinMapLoc, ColonLoc, EndLoc); break; case OMPC_aligned: Res = ActOnOpenMPAlignedClause(VarList, TailExpr, StartLoc, LParenLoc, ColonLoc, EndLoc); break; case OMPC_copyin: Res = ActOnOpenMPCopyinClause(VarList, StartLoc, LParenLoc, EndLoc); break; case OMPC_copyprivate: Res = ActOnOpenMPCopyprivateClause(VarList, StartLoc, LParenLoc, EndLoc); break; case OMPC_flush: Res = ActOnOpenMPFlushClause(VarList, StartLoc, LParenLoc, EndLoc); break; case OMPC_depend: Res = ActOnOpenMPDependClause(DepKind, DepLinMapLoc, ColonLoc, VarList, StartLoc, LParenLoc, EndLoc); break; case OMPC_map: Res = ActOnOpenMPMapClause(MapTypeModifiers, MapTypeModifiersLoc, ReductionOrMapperIdScopeSpec, ReductionOrMapperId, MapType, IsMapTypeImplicit, DepLinMapLoc, ColonLoc, VarList, Locs); break; case OMPC_to: Res = ActOnOpenMPToClause(VarList, ReductionOrMapperIdScopeSpec, ReductionOrMapperId, Locs); break; case OMPC_from: Res = ActOnOpenMPFromClause(VarList, ReductionOrMapperIdScopeSpec, ReductionOrMapperId, Locs); break; case OMPC_use_device_ptr: Res = ActOnOpenMPUseDevicePtrClause(VarList, Locs); break; case OMPC_is_device_ptr: Res = ActOnOpenMPIsDevicePtrClause(VarList, Locs); break; case OMPC_allocate: Res = ActOnOpenMPAllocateClause(TailExpr, VarList, StartLoc, LParenLoc, ColonLoc, EndLoc); break; case OMPC_if: case OMPC_final: case OMPC_num_threads: case OMPC_safelen: case OMPC_simdlen: case OMPC_allocator: case OMPC_collapse: case OMPC_default: case OMPC_proc_bind: case OMPC_schedule: case OMPC_ordered: case OMPC_nowait: case OMPC_untied: case OMPC_mergeable: case OMPC_threadprivate: case OMPC_read: case OMPC_write: case OMPC_update: case OMPC_capture: case OMPC_seq_cst: case OMPC_device: case OMPC_threads: case OMPC_simd: case OMPC_num_teams: case OMPC_thread_limit: case OMPC_priority: case OMPC_grainsize: case OMPC_nogroup: case OMPC_num_tasks: case OMPC_hint: case OMPC_dist_schedule: case OMPC_defaultmap: case OMPC_unknown: case OMPC_uniform: case OMPC_unified_address: case OMPC_unified_shared_memory: case OMPC_reverse_offload: case OMPC_dynamic_allocators: case OMPC_atomic_default_mem_order: llvm_unreachable("Clause is not allowed."); } return Res; } ExprResult Sema::getOpenMPCapturedExpr(VarDecl *Capture, ExprValueKind VK, ExprObjectKind OK, SourceLocation Loc) { ExprResult Res = BuildDeclRefExpr( Capture, Capture->getType().getNonReferenceType(), VK_LValue, Loc); if (!Res.isUsable()) return ExprError(); if (OK == OK_Ordinary && !getLangOpts().CPlusPlus) { Res = CreateBuiltinUnaryOp(Loc, UO_Deref, Res.get()); if (!Res.isUsable()) return ExprError(); } if (VK != VK_LValue && Res.get()->isGLValue()) { Res = DefaultLvalueConversion(Res.get()); if (!Res.isUsable()) return ExprError(); } return Res; } OMPClause *Sema::ActOnOpenMPPrivateClause(ArrayRef VarList, SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation EndLoc) { SmallVector Vars; SmallVector PrivateCopies; for (Expr *RefExpr : VarList) { assert(RefExpr && "NULL expr in OpenMP private clause."); SourceLocation ELoc; SourceRange ERange; Expr *SimpleRefExpr = RefExpr; auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); if (Res.second) { // It will be analyzed later. Vars.push_back(RefExpr); PrivateCopies.push_back(nullptr); } ValueDecl *D = Res.first; if (!D) continue; QualType Type = D->getType(); auto *VD = dyn_cast(D); // OpenMP [2.9.3.3, Restrictions, C/C++, p.3] // A variable that appears in a private clause must not have an incomplete // type or a reference type. if (RequireCompleteType(ELoc, Type, diag::err_omp_private_incomplete_type)) continue; Type = Type.getNonReferenceType(); // OpenMP 5.0 [2.19.3, List Item Privatization, Restrictions] // A variable that is privatized must not have a const-qualified type // unless it is of class type with a mutable member. This restriction does // not apply to the firstprivate clause. // // OpenMP 3.1 [2.9.3.3, private clause, Restrictions] // A variable that appears in a private clause must not have a // const-qualified type unless it is of class type with a mutable member. if (rejectConstNotMutableType(*this, D, Type, OMPC_private, ELoc)) continue; // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced // in a Construct] // Variables with the predetermined data-sharing attributes may not be // listed in data-sharing attributes clauses, except for the cases // listed below. For these exceptions only, listing a predetermined // variable in a data-sharing attribute clause is allowed and overrides // the variable's predetermined data-sharing attributes. DSAStackTy::DSAVarData DVar = DSAStack->getTopDSA(D, /*FromParent=*/false); if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_private) { Diag(ELoc, diag::err_omp_wrong_dsa) << getOpenMPClauseName(DVar.CKind) << getOpenMPClauseName(OMPC_private); reportOriginalDsa(*this, DSAStack, D, DVar); continue; } OpenMPDirectiveKind CurrDir = DSAStack->getCurrentDirective(); // Variably modified types are not supported for tasks. if (!Type->isAnyPointerType() && Type->isVariablyModifiedType() && isOpenMPTaskingDirective(CurrDir)) { Diag(ELoc, diag::err_omp_variably_modified_type_not_supported) << getOpenMPClauseName(OMPC_private) << Type << getOpenMPDirectiveName(CurrDir); bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; Diag(D->getLocation(), IsDecl ? diag::note_previous_decl : diag::note_defined_here) << D; continue; } // OpenMP 4.5 [2.15.5.1, Restrictions, p.3] // A list item cannot appear in both a map clause and a data-sharing // attribute clause on the same construct if (isOpenMPTargetExecutionDirective(CurrDir)) { OpenMPClauseKind ConflictKind; if (DSAStack->checkMappableExprComponentListsForDecl( VD, /*CurrentRegionOnly=*/true, [&](OMPClauseMappableExprCommon::MappableExprComponentListRef, OpenMPClauseKind WhereFoundClauseKind) -> bool { ConflictKind = WhereFoundClauseKind; return true; })) { Diag(ELoc, diag::err_omp_variable_in_given_clause_and_dsa) << getOpenMPClauseName(OMPC_private) << getOpenMPClauseName(ConflictKind) << getOpenMPDirectiveName(CurrDir); reportOriginalDsa(*this, DSAStack, D, DVar); continue; } } // OpenMP [2.9.3.3, Restrictions, C/C++, p.1] // A variable of class type (or array thereof) that appears in a private // clause requires an accessible, unambiguous default constructor for the // class type. // Generate helper private variable and initialize it with the default // value. The address of the original variable is replaced by the address of // the new private variable in CodeGen. This new variable is not added to // IdResolver, so the code in the OpenMP region uses original variable for // proper diagnostics. Type = Type.getUnqualifiedType(); VarDecl *VDPrivate = buildVarDecl(*this, ELoc, Type, D->getName(), D->hasAttrs() ? &D->getAttrs() : nullptr, VD ? cast(SimpleRefExpr) : nullptr); ActOnUninitializedDecl(VDPrivate); if (VDPrivate->isInvalidDecl()) continue; DeclRefExpr *VDPrivateRefExpr = buildDeclRefExpr( *this, VDPrivate, RefExpr->getType().getUnqualifiedType(), ELoc); DeclRefExpr *Ref = nullptr; if (!VD && !CurContext->isDependentContext()) Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false); DSAStack->addDSA(D, RefExpr->IgnoreParens(), OMPC_private, Ref); Vars.push_back((VD || CurContext->isDependentContext()) ? RefExpr->IgnoreParens() : Ref); PrivateCopies.push_back(VDPrivateRefExpr); } if (Vars.empty()) return nullptr; return OMPPrivateClause::Create(Context, StartLoc, LParenLoc, EndLoc, Vars, PrivateCopies); } namespace { class DiagsUninitializedSeveretyRAII { private: DiagnosticsEngine &Diags; SourceLocation SavedLoc; bool IsIgnored = false; public: DiagsUninitializedSeveretyRAII(DiagnosticsEngine &Diags, SourceLocation Loc, bool IsIgnored) : Diags(Diags), SavedLoc(Loc), IsIgnored(IsIgnored) { if (!IsIgnored) { Diags.setSeverity(/*Diag*/ diag::warn_uninit_self_reference_in_init, /*Map*/ diag::Severity::Ignored, Loc); } } ~DiagsUninitializedSeveretyRAII() { if (!IsIgnored) Diags.popMappings(SavedLoc); } }; } OMPClause *Sema::ActOnOpenMPFirstprivateClause(ArrayRef VarList, SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation EndLoc) { SmallVector Vars; SmallVector PrivateCopies; SmallVector Inits; SmallVector ExprCaptures; bool IsImplicitClause = StartLoc.isInvalid() && LParenLoc.isInvalid() && EndLoc.isInvalid(); SourceLocation ImplicitClauseLoc = DSAStack->getConstructLoc(); for (Expr *RefExpr : VarList) { assert(RefExpr && "NULL expr in OpenMP firstprivate clause."); SourceLocation ELoc; SourceRange ERange; Expr *SimpleRefExpr = RefExpr; auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); if (Res.second) { // It will be analyzed later. Vars.push_back(RefExpr); PrivateCopies.push_back(nullptr); Inits.push_back(nullptr); } ValueDecl *D = Res.first; if (!D) continue; ELoc = IsImplicitClause ? ImplicitClauseLoc : ELoc; QualType Type = D->getType(); auto *VD = dyn_cast(D); // OpenMP [2.9.3.3, Restrictions, C/C++, p.3] // A variable that appears in a private clause must not have an incomplete // type or a reference type. if (RequireCompleteType(ELoc, Type, diag::err_omp_firstprivate_incomplete_type)) continue; Type = Type.getNonReferenceType(); // OpenMP [2.9.3.4, Restrictions, C/C++, p.1] // A variable of class type (or array thereof) that appears in a private // clause requires an accessible, unambiguous copy constructor for the // class type. QualType ElemType = Context.getBaseElementType(Type).getNonReferenceType(); // If an implicit firstprivate variable found it was checked already. DSAStackTy::DSAVarData TopDVar; if (!IsImplicitClause) { DSAStackTy::DSAVarData DVar = DSAStack->getTopDSA(D, /*FromParent=*/false); TopDVar = DVar; OpenMPDirectiveKind CurrDir = DSAStack->getCurrentDirective(); bool IsConstant = ElemType.isConstant(Context); // OpenMP [2.4.13, Data-sharing Attribute Clauses] // A list item that specifies a given variable may not appear in more // than one clause on the same directive, except that a variable may be // specified in both firstprivate and lastprivate clauses. // OpenMP 4.5 [2.10.8, Distribute Construct, p.3] // A list item may appear in a firstprivate or lastprivate clause but not // both. if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_firstprivate && (isOpenMPDistributeDirective(CurrDir) || DVar.CKind != OMPC_lastprivate) && DVar.RefExpr) { Diag(ELoc, diag::err_omp_wrong_dsa) << getOpenMPClauseName(DVar.CKind) << getOpenMPClauseName(OMPC_firstprivate); reportOriginalDsa(*this, DSAStack, D, DVar); continue; } // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced // in a Construct] // Variables with the predetermined data-sharing attributes may not be // listed in data-sharing attributes clauses, except for the cases // listed below. For these exceptions only, listing a predetermined // variable in a data-sharing attribute clause is allowed and overrides // the variable's predetermined data-sharing attributes. // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced // in a Construct, C/C++, p.2] // Variables with const-qualified type having no mutable member may be // listed in a firstprivate clause, even if they are static data members. if (!(IsConstant || (VD && VD->isStaticDataMember())) && !DVar.RefExpr && DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_shared) { Diag(ELoc, diag::err_omp_wrong_dsa) << getOpenMPClauseName(DVar.CKind) << getOpenMPClauseName(OMPC_firstprivate); reportOriginalDsa(*this, DSAStack, D, DVar); continue; } // OpenMP [2.9.3.4, Restrictions, p.2] // A list item that is private within a parallel region must not appear // in a firstprivate clause on a worksharing construct if any of the // worksharing regions arising from the worksharing construct ever bind // to any of the parallel regions arising from the parallel construct. // OpenMP 4.5 [2.15.3.4, Restrictions, p.3] // A list item that is private within a teams region must not appear in a // firstprivate clause on a distribute construct if any of the distribute // regions arising from the distribute construct ever bind to any of the // teams regions arising from the teams construct. // OpenMP 4.5 [2.15.3.4, Restrictions, p.3] // A list item that appears in a reduction clause of a teams construct // must not appear in a firstprivate clause on a distribute construct if // any of the distribute regions arising from the distribute construct // ever bind to any of the teams regions arising from the teams construct. if ((isOpenMPWorksharingDirective(CurrDir) || isOpenMPDistributeDirective(CurrDir)) && !isOpenMPParallelDirective(CurrDir) && !isOpenMPTeamsDirective(CurrDir)) { DVar = DSAStack->getImplicitDSA(D, true); if (DVar.CKind != OMPC_shared && (isOpenMPParallelDirective(DVar.DKind) || isOpenMPTeamsDirective(DVar.DKind) || DVar.DKind == OMPD_unknown)) { Diag(ELoc, diag::err_omp_required_access) << getOpenMPClauseName(OMPC_firstprivate) << getOpenMPClauseName(OMPC_shared); reportOriginalDsa(*this, DSAStack, D, DVar); continue; } } // OpenMP [2.9.3.4, Restrictions, p.3] // A list item that appears in a reduction clause of a parallel construct // must not appear in a firstprivate clause on a worksharing or task // construct if any of the worksharing or task regions arising from the // worksharing or task construct ever bind to any of the parallel regions // arising from the parallel construct. // OpenMP [2.9.3.4, Restrictions, p.4] // A list item that appears in a reduction clause in worksharing // construct must not appear in a firstprivate clause in a task construct // encountered during execution of any of the worksharing regions arising // from the worksharing construct. if (isOpenMPTaskingDirective(CurrDir)) { DVar = DSAStack->hasInnermostDSA( D, [](OpenMPClauseKind C) { return C == OMPC_reduction; }, [](OpenMPDirectiveKind K) { return isOpenMPParallelDirective(K) || isOpenMPWorksharingDirective(K) || isOpenMPTeamsDirective(K); }, /*FromParent=*/true); if (DVar.CKind == OMPC_reduction && (isOpenMPParallelDirective(DVar.DKind) || isOpenMPWorksharingDirective(DVar.DKind) || isOpenMPTeamsDirective(DVar.DKind))) { Diag(ELoc, diag::err_omp_parallel_reduction_in_task_firstprivate) << getOpenMPDirectiveName(DVar.DKind); reportOriginalDsa(*this, DSAStack, D, DVar); continue; } } // OpenMP 4.5 [2.15.5.1, Restrictions, p.3] // A list item cannot appear in both a map clause and a data-sharing // attribute clause on the same construct if (isOpenMPTargetExecutionDirective(CurrDir)) { OpenMPClauseKind ConflictKind; if (DSAStack->checkMappableExprComponentListsForDecl( VD, /*CurrentRegionOnly=*/true, [&ConflictKind]( OMPClauseMappableExprCommon::MappableExprComponentListRef, OpenMPClauseKind WhereFoundClauseKind) { ConflictKind = WhereFoundClauseKind; return true; })) { Diag(ELoc, diag::err_omp_variable_in_given_clause_and_dsa) << getOpenMPClauseName(OMPC_firstprivate) << getOpenMPClauseName(ConflictKind) << getOpenMPDirectiveName(DSAStack->getCurrentDirective()); reportOriginalDsa(*this, DSAStack, D, DVar); continue; } } } // Variably modified types are not supported for tasks. if (!Type->isAnyPointerType() && Type->isVariablyModifiedType() && isOpenMPTaskingDirective(DSAStack->getCurrentDirective())) { Diag(ELoc, diag::err_omp_variably_modified_type_not_supported) << getOpenMPClauseName(OMPC_firstprivate) << Type << getOpenMPDirectiveName(DSAStack->getCurrentDirective()); bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; Diag(D->getLocation(), IsDecl ? diag::note_previous_decl : diag::note_defined_here) << D; continue; } Type = Type.getUnqualifiedType(); VarDecl *VDPrivate = buildVarDecl(*this, ELoc, Type, D->getName(), D->hasAttrs() ? &D->getAttrs() : nullptr, VD ? cast(SimpleRefExpr) : nullptr); // Generate helper private variable and initialize it with the value of the // original variable. The address of the original variable is replaced by // the address of the new private variable in the CodeGen. This new variable // is not added to IdResolver, so the code in the OpenMP region uses // original variable for proper diagnostics and variable capturing. Expr *VDInitRefExpr = nullptr; // For arrays generate initializer for single element and replace it by the // original array element in CodeGen. if (Type->isArrayType()) { VarDecl *VDInit = buildVarDecl(*this, RefExpr->getExprLoc(), ElemType, D->getName()); VDInitRefExpr = buildDeclRefExpr(*this, VDInit, ElemType, ELoc); Expr *Init = DefaultLvalueConversion(VDInitRefExpr).get(); ElemType = ElemType.getUnqualifiedType(); VarDecl *VDInitTemp = buildVarDecl(*this, RefExpr->getExprLoc(), ElemType, ".firstprivate.temp"); InitializedEntity Entity = InitializedEntity::InitializeVariable(VDInitTemp); InitializationKind Kind = InitializationKind::CreateCopy(ELoc, ELoc); InitializationSequence InitSeq(*this, Entity, Kind, Init); ExprResult Result = InitSeq.Perform(*this, Entity, Kind, Init); if (Result.isInvalid()) VDPrivate->setInvalidDecl(); else VDPrivate->setInit(Result.getAs()); // Remove temp variable declaration. Context.Deallocate(VDInitTemp); } else { VarDecl *VDInit = buildVarDecl(*this, RefExpr->getExprLoc(), Type, ".firstprivate.temp"); VDInitRefExpr = buildDeclRefExpr(*this, VDInit, RefExpr->getType(), RefExpr->getExprLoc()); AddInitializerToDecl(VDPrivate, DefaultLvalueConversion(VDInitRefExpr).get(), /*DirectInit=*/false); } if (VDPrivate->isInvalidDecl()) { if (IsImplicitClause) { Diag(RefExpr->getExprLoc(), diag::note_omp_task_predetermined_firstprivate_here); } continue; } CurContext->addDecl(VDPrivate); DeclRefExpr *VDPrivateRefExpr = buildDeclRefExpr( *this, VDPrivate, RefExpr->getType().getUnqualifiedType(), RefExpr->getExprLoc()); DeclRefExpr *Ref = nullptr; if (!VD && !CurContext->isDependentContext()) { if (TopDVar.CKind == OMPC_lastprivate) { Ref = TopDVar.PrivateCopy; } else { Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); if (!isOpenMPCapturedDecl(D)) ExprCaptures.push_back(Ref->getDecl()); } } DSAStack->addDSA(D, RefExpr->IgnoreParens(), OMPC_firstprivate, Ref); Vars.push_back((VD || CurContext->isDependentContext()) ? RefExpr->IgnoreParens() : Ref); PrivateCopies.push_back(VDPrivateRefExpr); Inits.push_back(VDInitRefExpr); } if (Vars.empty()) return nullptr; return OMPFirstprivateClause::Create(Context, StartLoc, LParenLoc, EndLoc, Vars, PrivateCopies, Inits, buildPreInits(Context, ExprCaptures)); } OMPClause *Sema::ActOnOpenMPLastprivateClause(ArrayRef VarList, SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation EndLoc) { SmallVector Vars; SmallVector SrcExprs; SmallVector DstExprs; SmallVector AssignmentOps; SmallVector ExprCaptures; SmallVector ExprPostUpdates; for (Expr *RefExpr : VarList) { assert(RefExpr && "NULL expr in OpenMP lastprivate clause."); SourceLocation ELoc; SourceRange ERange; Expr *SimpleRefExpr = RefExpr; auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); if (Res.second) { // It will be analyzed later. Vars.push_back(RefExpr); SrcExprs.push_back(nullptr); DstExprs.push_back(nullptr); AssignmentOps.push_back(nullptr); } ValueDecl *D = Res.first; if (!D) continue; QualType Type = D->getType(); auto *VD = dyn_cast(D); // OpenMP [2.14.3.5, Restrictions, C/C++, p.2] // A variable that appears in a lastprivate clause must not have an // incomplete type or a reference type. if (RequireCompleteType(ELoc, Type, diag::err_omp_lastprivate_incomplete_type)) continue; Type = Type.getNonReferenceType(); // OpenMP 5.0 [2.19.3, List Item Privatization, Restrictions] // A variable that is privatized must not have a const-qualified type // unless it is of class type with a mutable member. This restriction does // not apply to the firstprivate clause. // // OpenMP 3.1 [2.9.3.5, lastprivate clause, Restrictions] // A variable that appears in a lastprivate clause must not have a // const-qualified type unless it is of class type with a mutable member. if (rejectConstNotMutableType(*this, D, Type, OMPC_lastprivate, ELoc)) continue; OpenMPDirectiveKind CurrDir = DSAStack->getCurrentDirective(); // OpenMP [2.14.1.1, Data-sharing Attribute Rules for Variables Referenced // in a Construct] // Variables with the predetermined data-sharing attributes may not be // listed in data-sharing attributes clauses, except for the cases // listed below. // OpenMP 4.5 [2.10.8, Distribute Construct, p.3] // A list item may appear in a firstprivate or lastprivate clause but not // both. DSAStackTy::DSAVarData DVar = DSAStack->getTopDSA(D, /*FromParent=*/false); if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_lastprivate && (isOpenMPDistributeDirective(CurrDir) || DVar.CKind != OMPC_firstprivate) && (DVar.CKind != OMPC_private || DVar.RefExpr != nullptr)) { Diag(ELoc, diag::err_omp_wrong_dsa) << getOpenMPClauseName(DVar.CKind) << getOpenMPClauseName(OMPC_lastprivate); reportOriginalDsa(*this, DSAStack, D, DVar); continue; } // OpenMP [2.14.3.5, Restrictions, p.2] // A list item that is private within a parallel region, or that appears in // the reduction clause of a parallel construct, must not appear in a // lastprivate clause on a worksharing construct if any of the corresponding // worksharing regions ever binds to any of the corresponding parallel // regions. DSAStackTy::DSAVarData TopDVar = DVar; if (isOpenMPWorksharingDirective(CurrDir) && !isOpenMPParallelDirective(CurrDir) && !isOpenMPTeamsDirective(CurrDir)) { DVar = DSAStack->getImplicitDSA(D, true); if (DVar.CKind != OMPC_shared) { Diag(ELoc, diag::err_omp_required_access) << getOpenMPClauseName(OMPC_lastprivate) << getOpenMPClauseName(OMPC_shared); reportOriginalDsa(*this, DSAStack, D, DVar); continue; } } // OpenMP [2.14.3.5, Restrictions, C++, p.1,2] // A variable of class type (or array thereof) that appears in a // lastprivate clause requires an accessible, unambiguous default // constructor for the class type, unless the list item is also specified // in a firstprivate clause. // A variable of class type (or array thereof) that appears in a // lastprivate clause requires an accessible, unambiguous copy assignment // operator for the class type. Type = Context.getBaseElementType(Type).getNonReferenceType(); VarDecl *SrcVD = buildVarDecl(*this, ERange.getBegin(), Type.getUnqualifiedType(), ".lastprivate.src", D->hasAttrs() ? &D->getAttrs() : nullptr); DeclRefExpr *PseudoSrcExpr = buildDeclRefExpr(*this, SrcVD, Type.getUnqualifiedType(), ELoc); VarDecl *DstVD = buildVarDecl(*this, ERange.getBegin(), Type, ".lastprivate.dst", D->hasAttrs() ? &D->getAttrs() : nullptr); DeclRefExpr *PseudoDstExpr = buildDeclRefExpr(*this, DstVD, Type, ELoc); // For arrays generate assignment operation for single element and replace // it by the original array element in CodeGen. ExprResult AssignmentOp = BuildBinOp(/*S=*/nullptr, ELoc, BO_Assign, PseudoDstExpr, PseudoSrcExpr); if (AssignmentOp.isInvalid()) continue; AssignmentOp = ActOnFinishFullExpr(AssignmentOp.get(), ELoc, /*DiscardedValue*/ false); if (AssignmentOp.isInvalid()) continue; DeclRefExpr *Ref = nullptr; if (!VD && !CurContext->isDependentContext()) { if (TopDVar.CKind == OMPC_firstprivate) { Ref = TopDVar.PrivateCopy; } else { Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false); if (!isOpenMPCapturedDecl(D)) ExprCaptures.push_back(Ref->getDecl()); } if (TopDVar.CKind == OMPC_firstprivate || (!isOpenMPCapturedDecl(D) && Ref->getDecl()->hasAttr())) { ExprResult RefRes = DefaultLvalueConversion(Ref); if (!RefRes.isUsable()) continue; ExprResult PostUpdateRes = BuildBinOp(DSAStack->getCurScope(), ELoc, BO_Assign, SimpleRefExpr, RefRes.get()); if (!PostUpdateRes.isUsable()) continue; ExprPostUpdates.push_back( IgnoredValueConversions(PostUpdateRes.get()).get()); } } DSAStack->addDSA(D, RefExpr->IgnoreParens(), OMPC_lastprivate, Ref); Vars.push_back((VD || CurContext->isDependentContext()) ? RefExpr->IgnoreParens() : Ref); SrcExprs.push_back(PseudoSrcExpr); DstExprs.push_back(PseudoDstExpr); AssignmentOps.push_back(AssignmentOp.get()); } if (Vars.empty()) return nullptr; return OMPLastprivateClause::Create(Context, StartLoc, LParenLoc, EndLoc, Vars, SrcExprs, DstExprs, AssignmentOps, buildPreInits(Context, ExprCaptures), buildPostUpdate(*this, ExprPostUpdates)); } OMPClause *Sema::ActOnOpenMPSharedClause(ArrayRef VarList, SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation EndLoc) { SmallVector Vars; for (Expr *RefExpr : VarList) { assert(RefExpr && "NULL expr in OpenMP lastprivate clause."); SourceLocation ELoc; SourceRange ERange; Expr *SimpleRefExpr = RefExpr; auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); if (Res.second) { // It will be analyzed later. Vars.push_back(RefExpr); } ValueDecl *D = Res.first; if (!D) continue; auto *VD = dyn_cast(D); // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced // in a Construct] // Variables with the predetermined data-sharing attributes may not be // listed in data-sharing attributes clauses, except for the cases // listed below. For these exceptions only, listing a predetermined // variable in a data-sharing attribute clause is allowed and overrides // the variable's predetermined data-sharing attributes. DSAStackTy::DSAVarData DVar = DSAStack->getTopDSA(D, /*FromParent=*/false); if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_shared && DVar.RefExpr) { Diag(ELoc, diag::err_omp_wrong_dsa) << getOpenMPClauseName(DVar.CKind) << getOpenMPClauseName(OMPC_shared); reportOriginalDsa(*this, DSAStack, D, DVar); continue; } DeclRefExpr *Ref = nullptr; if (!VD && isOpenMPCapturedDecl(D) && !CurContext->isDependentContext()) Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); DSAStack->addDSA(D, RefExpr->IgnoreParens(), OMPC_shared, Ref); Vars.push_back((VD || !Ref || CurContext->isDependentContext()) ? RefExpr->IgnoreParens() : Ref); } if (Vars.empty()) return nullptr; return OMPSharedClause::Create(Context, StartLoc, LParenLoc, EndLoc, Vars); } namespace { class DSARefChecker : public StmtVisitor { DSAStackTy *Stack; public: bool VisitDeclRefExpr(DeclRefExpr *E) { if (auto *VD = dyn_cast(E->getDecl())) { DSAStackTy::DSAVarData DVar = Stack->getTopDSA(VD, /*FromParent=*/false); if (DVar.CKind == OMPC_shared && !DVar.RefExpr) return false; if (DVar.CKind != OMPC_unknown) return true; DSAStackTy::DSAVarData DVarPrivate = Stack->hasDSA( VD, isOpenMPPrivate, [](OpenMPDirectiveKind) { return true; }, /*FromParent=*/true); return DVarPrivate.CKind != OMPC_unknown; } return false; } bool VisitStmt(Stmt *S) { for (Stmt *Child : S->children()) { if (Child && Visit(Child)) return true; } return false; } explicit DSARefChecker(DSAStackTy *S) : Stack(S) {} }; } // namespace namespace { // Transform MemberExpression for specified FieldDecl of current class to // DeclRefExpr to specified OMPCapturedExprDecl. class TransformExprToCaptures : public TreeTransform { typedef TreeTransform BaseTransform; ValueDecl *Field = nullptr; DeclRefExpr *CapturedExpr = nullptr; public: TransformExprToCaptures(Sema &SemaRef, ValueDecl *FieldDecl) : BaseTransform(SemaRef), Field(FieldDecl), CapturedExpr(nullptr) {} ExprResult TransformMemberExpr(MemberExpr *E) { if (isa(E->getBase()->IgnoreParenImpCasts()) && E->getMemberDecl() == Field) { CapturedExpr = buildCapture(SemaRef, Field, E, /*WithInit=*/false); return CapturedExpr; } return BaseTransform::TransformMemberExpr(E); } DeclRefExpr *getCapturedExpr() { return CapturedExpr; } }; } // namespace template static T filterLookupForUDReductionAndMapper( SmallVectorImpl &Lookups, const llvm::function_ref Gen) { for (U &Set : Lookups) { for (auto *D : Set) { if (T Res = Gen(cast(D))) return Res; } } return T(); } static NamedDecl *findAcceptableDecl(Sema &SemaRef, NamedDecl *D) { assert(!LookupResult::isVisible(SemaRef, D) && "not in slow case"); for (auto RD : D->redecls()) { // Don't bother with extra checks if we already know this one isn't visible. if (RD == D) continue; auto ND = cast(RD); if (LookupResult::isVisible(SemaRef, ND)) return ND; } return nullptr; } static void argumentDependentLookup(Sema &SemaRef, const DeclarationNameInfo &Id, SourceLocation Loc, QualType Ty, SmallVectorImpl> &Lookups) { // Find all of the associated namespaces and classes based on the // arguments we have. Sema::AssociatedNamespaceSet AssociatedNamespaces; Sema::AssociatedClassSet AssociatedClasses; OpaqueValueExpr OVE(Loc, Ty, VK_LValue); SemaRef.FindAssociatedClassesAndNamespaces(Loc, &OVE, AssociatedNamespaces, AssociatedClasses); // C++ [basic.lookup.argdep]p3: // Let X be the lookup set produced by unqualified lookup (3.4.1) // and let Y be the lookup set produced by argument dependent // lookup (defined as follows). If X contains [...] then Y is // empty. Otherwise Y is the set of declarations found in the // namespaces associated with the argument types as described // below. The set of declarations found by the lookup of the name // is the union of X and Y. // // Here, we compute Y and add its members to the overloaded // candidate set. for (auto *NS : AssociatedNamespaces) { // When considering an associated namespace, the lookup is the // same as the lookup performed when the associated namespace is // used as a qualifier (3.4.3.2) except that: // // -- Any using-directives in the associated namespace are // ignored. // // -- Any namespace-scope friend functions declared in // associated classes are visible within their respective // namespaces even if they are not visible during an ordinary // lookup (11.4). DeclContext::lookup_result R = NS->lookup(Id.getName()); for (auto *D : R) { auto *Underlying = D; if (auto *USD = dyn_cast(D)) Underlying = USD->getTargetDecl(); if (!isa(Underlying) && !isa(Underlying)) continue; if (!SemaRef.isVisible(D)) { D = findAcceptableDecl(SemaRef, D); if (!D) continue; if (auto *USD = dyn_cast(D)) Underlying = USD->getTargetDecl(); } Lookups.emplace_back(); Lookups.back().addDecl(Underlying); } } } static ExprResult buildDeclareReductionRef(Sema &SemaRef, SourceLocation Loc, SourceRange Range, Scope *S, CXXScopeSpec &ReductionIdScopeSpec, const DeclarationNameInfo &ReductionId, QualType Ty, CXXCastPath &BasePath, Expr *UnresolvedReduction) { if (ReductionIdScopeSpec.isInvalid()) return ExprError(); SmallVector, 4> Lookups; if (S) { LookupResult Lookup(SemaRef, ReductionId, Sema::LookupOMPReductionName); Lookup.suppressDiagnostics(); while (S && SemaRef.LookupParsedName(Lookup, S, &ReductionIdScopeSpec)) { NamedDecl *D = Lookup.getRepresentativeDecl(); do { S = S->getParent(); } while (S && !S->isDeclScope(D)); if (S) S = S->getParent(); Lookups.emplace_back(); Lookups.back().append(Lookup.begin(), Lookup.end()); Lookup.clear(); } } else if (auto *ULE = cast_or_null(UnresolvedReduction)) { Lookups.push_back(UnresolvedSet<8>()); Decl *PrevD = nullptr; for (NamedDecl *D : ULE->decls()) { if (D == PrevD) Lookups.push_back(UnresolvedSet<8>()); else if (auto *DRD = dyn_cast(D)) Lookups.back().addDecl(DRD); PrevD = D; } } if (SemaRef.CurContext->isDependentContext() || Ty->isDependentType() || Ty->isInstantiationDependentType() || Ty->containsUnexpandedParameterPack() || filterLookupForUDReductionAndMapper(Lookups, [](ValueDecl *D) { return !D->isInvalidDecl() && (D->getType()->isDependentType() || D->getType()->isInstantiationDependentType() || D->getType()->containsUnexpandedParameterPack()); })) { UnresolvedSet<8> ResSet; for (const UnresolvedSet<8> &Set : Lookups) { if (Set.empty()) continue; ResSet.append(Set.begin(), Set.end()); // The last item marks the end of all declarations at the specified scope. ResSet.addDecl(Set[Set.size() - 1]); } return UnresolvedLookupExpr::Create( SemaRef.Context, /*NamingClass=*/nullptr, ReductionIdScopeSpec.getWithLocInContext(SemaRef.Context), ReductionId, /*ADL=*/true, /*Overloaded=*/true, ResSet.begin(), ResSet.end()); } // Lookup inside the classes. // C++ [over.match.oper]p3: // For a unary operator @ with an operand of a type whose // cv-unqualified version is T1, and for a binary operator @ with // a left operand of a type whose cv-unqualified version is T1 and // a right operand of a type whose cv-unqualified version is T2, // three sets of candidate functions, designated member // candidates, non-member candidates and built-in candidates, are // constructed as follows: // -- If T1 is a complete class type or a class currently being // defined, the set of member candidates is the result of the // qualified lookup of T1::operator@ (13.3.1.1.1); otherwise, // the set of member candidates is empty. LookupResult Lookup(SemaRef, ReductionId, Sema::LookupOMPReductionName); Lookup.suppressDiagnostics(); if (const auto *TyRec = Ty->getAs()) { // Complete the type if it can be completed. // If the type is neither complete nor being defined, bail out now. if (SemaRef.isCompleteType(Loc, Ty) || TyRec->isBeingDefined() || TyRec->getDecl()->getDefinition()) { Lookup.clear(); SemaRef.LookupQualifiedName(Lookup, TyRec->getDecl()); if (Lookup.empty()) { Lookups.emplace_back(); Lookups.back().append(Lookup.begin(), Lookup.end()); } } } // Perform ADL. if (SemaRef.getLangOpts().CPlusPlus) argumentDependentLookup(SemaRef, ReductionId, Loc, Ty, Lookups); if (auto *VD = filterLookupForUDReductionAndMapper( Lookups, [&SemaRef, Ty](ValueDecl *D) -> ValueDecl * { if (!D->isInvalidDecl() && SemaRef.Context.hasSameType(D->getType(), Ty)) return D; return nullptr; })) return SemaRef.BuildDeclRefExpr(VD, VD->getType().getNonReferenceType(), VK_LValue, Loc); if (SemaRef.getLangOpts().CPlusPlus) { if (auto *VD = filterLookupForUDReductionAndMapper( Lookups, [&SemaRef, Ty, Loc](ValueDecl *D) -> ValueDecl * { if (!D->isInvalidDecl() && SemaRef.IsDerivedFrom(Loc, Ty, D->getType()) && !Ty.isMoreQualifiedThan(D->getType())) return D; return nullptr; })) { CXXBasePaths Paths(/*FindAmbiguities=*/true, /*RecordPaths=*/true, /*DetectVirtual=*/false); if (SemaRef.IsDerivedFrom(Loc, Ty, VD->getType(), Paths)) { if (!Paths.isAmbiguous(SemaRef.Context.getCanonicalType( VD->getType().getUnqualifiedType()))) { if (SemaRef.CheckBaseClassAccess( Loc, VD->getType(), Ty, Paths.front(), /*DiagID=*/0) != Sema::AR_inaccessible) { SemaRef.BuildBasePathArray(Paths, BasePath); return SemaRef.BuildDeclRefExpr( VD, VD->getType().getNonReferenceType(), VK_LValue, Loc); } } } } } if (ReductionIdScopeSpec.isSet()) { SemaRef.Diag(Loc, diag::err_omp_not_resolved_reduction_identifier) << Range; return ExprError(); } return ExprEmpty(); } namespace { /// Data for the reduction-based clauses. struct ReductionData { /// List of original reduction items. SmallVector Vars; /// List of private copies of the reduction items. SmallVector Privates; /// LHS expressions for the reduction_op expressions. SmallVector LHSs; /// RHS expressions for the reduction_op expressions. SmallVector RHSs; /// Reduction operation expression. SmallVector ReductionOps; /// Taskgroup descriptors for the corresponding reduction items in /// in_reduction clauses. SmallVector TaskgroupDescriptors; /// List of captures for clause. SmallVector ExprCaptures; /// List of postupdate expressions. SmallVector ExprPostUpdates; ReductionData() = delete; /// Reserves required memory for the reduction data. ReductionData(unsigned Size) { Vars.reserve(Size); Privates.reserve(Size); LHSs.reserve(Size); RHSs.reserve(Size); ReductionOps.reserve(Size); TaskgroupDescriptors.reserve(Size); ExprCaptures.reserve(Size); ExprPostUpdates.reserve(Size); } /// Stores reduction item and reduction operation only (required for dependent /// reduction item). void push(Expr *Item, Expr *ReductionOp) { Vars.emplace_back(Item); Privates.emplace_back(nullptr); LHSs.emplace_back(nullptr); RHSs.emplace_back(nullptr); ReductionOps.emplace_back(ReductionOp); TaskgroupDescriptors.emplace_back(nullptr); } /// Stores reduction data. void push(Expr *Item, Expr *Private, Expr *LHS, Expr *RHS, Expr *ReductionOp, Expr *TaskgroupDescriptor) { Vars.emplace_back(Item); Privates.emplace_back(Private); LHSs.emplace_back(LHS); RHSs.emplace_back(RHS); ReductionOps.emplace_back(ReductionOp); TaskgroupDescriptors.emplace_back(TaskgroupDescriptor); } }; } // namespace static bool checkOMPArraySectionConstantForReduction( ASTContext &Context, const OMPArraySectionExpr *OASE, bool &SingleElement, SmallVectorImpl &ArraySizes) { const Expr *Length = OASE->getLength(); if (Length == nullptr) { // For array sections of the form [1:] or [:], we would need to analyze // the lower bound... if (OASE->getColonLoc().isValid()) return false; // This is an array subscript which has implicit length 1! SingleElement = true; ArraySizes.push_back(llvm::APSInt::get(1)); } else { Expr::EvalResult Result; if (!Length->EvaluateAsInt(Result, Context)) return false; llvm::APSInt ConstantLengthValue = Result.Val.getInt(); SingleElement = (ConstantLengthValue.getSExtValue() == 1); ArraySizes.push_back(ConstantLengthValue); } // Get the base of this array section and walk up from there. const Expr *Base = OASE->getBase()->IgnoreParenImpCasts(); // We require length = 1 for all array sections except the right-most to // guarantee that the memory region is contiguous and has no holes in it. while (const auto *TempOASE = dyn_cast(Base)) { Length = TempOASE->getLength(); if (Length == nullptr) { // For array sections of the form [1:] or [:], we would need to analyze // the lower bound... if (OASE->getColonLoc().isValid()) return false; // This is an array subscript which has implicit length 1! ArraySizes.push_back(llvm::APSInt::get(1)); } else { Expr::EvalResult Result; if (!Length->EvaluateAsInt(Result, Context)) return false; llvm::APSInt ConstantLengthValue = Result.Val.getInt(); if (ConstantLengthValue.getSExtValue() != 1) return false; ArraySizes.push_back(ConstantLengthValue); } Base = TempOASE->getBase()->IgnoreParenImpCasts(); } // If we have a single element, we don't need to add the implicit lengths. if (!SingleElement) { while (const auto *TempASE = dyn_cast(Base)) { // Has implicit length 1! ArraySizes.push_back(llvm::APSInt::get(1)); Base = TempASE->getBase()->IgnoreParenImpCasts(); } } // This array section can be privatized as a single value or as a constant // sized array. return true; } static bool actOnOMPReductionKindClause( Sema &S, DSAStackTy *Stack, OpenMPClauseKind ClauseKind, ArrayRef VarList, SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation ColonLoc, SourceLocation EndLoc, CXXScopeSpec &ReductionIdScopeSpec, const DeclarationNameInfo &ReductionId, ArrayRef UnresolvedReductions, ReductionData &RD) { DeclarationName DN = ReductionId.getName(); OverloadedOperatorKind OOK = DN.getCXXOverloadedOperator(); BinaryOperatorKind BOK = BO_Comma; ASTContext &Context = S.Context; // OpenMP [2.14.3.6, reduction clause] // C // reduction-identifier is either an identifier or one of the following // operators: +, -, *, &, |, ^, && and || // C++ // reduction-identifier is either an id-expression or one of the following // operators: +, -, *, &, |, ^, && and || switch (OOK) { case OO_Plus: case OO_Minus: BOK = BO_Add; break; case OO_Star: BOK = BO_Mul; break; case OO_Amp: BOK = BO_And; break; case OO_Pipe: BOK = BO_Or; break; case OO_Caret: BOK = BO_Xor; break; case OO_AmpAmp: BOK = BO_LAnd; break; case OO_PipePipe: BOK = BO_LOr; break; case OO_New: case OO_Delete: case OO_Array_New: case OO_Array_Delete: case OO_Slash: case OO_Percent: case OO_Tilde: case OO_Exclaim: case OO_Equal: case OO_Less: case OO_Greater: case OO_LessEqual: case OO_GreaterEqual: case OO_PlusEqual: case OO_MinusEqual: case OO_StarEqual: case OO_SlashEqual: case OO_PercentEqual: case OO_CaretEqual: case OO_AmpEqual: case OO_PipeEqual: case OO_LessLess: case OO_GreaterGreater: case OO_LessLessEqual: case OO_GreaterGreaterEqual: case OO_EqualEqual: case OO_ExclaimEqual: case OO_Spaceship: case OO_PlusPlus: case OO_MinusMinus: case OO_Comma: case OO_ArrowStar: case OO_Arrow: case OO_Call: case OO_Subscript: case OO_Conditional: case OO_Coawait: case NUM_OVERLOADED_OPERATORS: llvm_unreachable("Unexpected reduction identifier"); case OO_None: if (IdentifierInfo *II = DN.getAsIdentifierInfo()) { if (II->isStr("max")) BOK = BO_GT; else if (II->isStr("min")) BOK = BO_LT; } break; } SourceRange ReductionIdRange; if (ReductionIdScopeSpec.isValid()) ReductionIdRange.setBegin(ReductionIdScopeSpec.getBeginLoc()); else ReductionIdRange.setBegin(ReductionId.getBeginLoc()); ReductionIdRange.setEnd(ReductionId.getEndLoc()); auto IR = UnresolvedReductions.begin(), ER = UnresolvedReductions.end(); bool FirstIter = true; for (Expr *RefExpr : VarList) { assert(RefExpr && "nullptr expr in OpenMP reduction clause."); // OpenMP [2.1, C/C++] // A list item is a variable or array section, subject to the restrictions // specified in Section 2.4 on page 42 and in each of the sections // describing clauses and directives for which a list appears. // OpenMP [2.14.3.3, Restrictions, p.1] // A variable that is part of another variable (as an array or // structure element) cannot appear in a private clause. if (!FirstIter && IR != ER) ++IR; FirstIter = false; SourceLocation ELoc; SourceRange ERange; Expr *SimpleRefExpr = RefExpr; auto Res = getPrivateItem(S, SimpleRefExpr, ELoc, ERange, /*AllowArraySection=*/true); if (Res.second) { // Try to find 'declare reduction' corresponding construct before using // builtin/overloaded operators. QualType Type = Context.DependentTy; CXXCastPath BasePath; ExprResult DeclareReductionRef = buildDeclareReductionRef( S, ELoc, ERange, Stack->getCurScope(), ReductionIdScopeSpec, ReductionId, Type, BasePath, IR == ER ? nullptr : *IR); Expr *ReductionOp = nullptr; if (S.CurContext->isDependentContext() && (DeclareReductionRef.isUnset() || isa(DeclareReductionRef.get()))) ReductionOp = DeclareReductionRef.get(); // It will be analyzed later. RD.push(RefExpr, ReductionOp); } ValueDecl *D = Res.first; if (!D) continue; Expr *TaskgroupDescriptor = nullptr; QualType Type; auto *ASE = dyn_cast(RefExpr->IgnoreParens()); auto *OASE = dyn_cast(RefExpr->IgnoreParens()); if (ASE) { Type = ASE->getType().getNonReferenceType(); } else if (OASE) { QualType BaseType = OMPArraySectionExpr::getBaseOriginalType(OASE->getBase()); if (const auto *ATy = BaseType->getAsArrayTypeUnsafe()) Type = ATy->getElementType(); else Type = BaseType->getPointeeType(); Type = Type.getNonReferenceType(); } else { Type = Context.getBaseElementType(D->getType().getNonReferenceType()); } auto *VD = dyn_cast(D); // OpenMP [2.9.3.3, Restrictions, C/C++, p.3] // A variable that appears in a private clause must not have an incomplete // type or a reference type. if (S.RequireCompleteType(ELoc, D->getType(), diag::err_omp_reduction_incomplete_type)) continue; // OpenMP [2.14.3.6, reduction clause, Restrictions] // A list item that appears in a reduction clause must not be // const-qualified. if (rejectConstNotMutableType(S, D, Type, ClauseKind, ELoc, /*AcceptIfMutable*/ false, ASE || OASE)) continue; OpenMPDirectiveKind CurrDir = Stack->getCurrentDirective(); // OpenMP [2.9.3.6, Restrictions, C/C++, p.4] // If a list-item is a reference type then it must bind to the same object // for all threads of the team. if (!ASE && !OASE) { if (VD) { VarDecl *VDDef = VD->getDefinition(); if (VD->getType()->isReferenceType() && VDDef && VDDef->hasInit()) { DSARefChecker Check(Stack); if (Check.Visit(VDDef->getInit())) { S.Diag(ELoc, diag::err_omp_reduction_ref_type_arg) << getOpenMPClauseName(ClauseKind) << ERange; S.Diag(VDDef->getLocation(), diag::note_defined_here) << VDDef; continue; } } } // OpenMP [2.14.1.1, Data-sharing Attribute Rules for Variables Referenced // in a Construct] // Variables with the predetermined data-sharing attributes may not be // listed in data-sharing attributes clauses, except for the cases // listed below. For these exceptions only, listing a predetermined // variable in a data-sharing attribute clause is allowed and overrides // the variable's predetermined data-sharing attributes. // OpenMP [2.14.3.6, Restrictions, p.3] // Any number of reduction clauses can be specified on the directive, // but a list item can appear only once in the reduction clauses for that // directive. DSAStackTy::DSAVarData DVar = Stack->getTopDSA(D, /*FromParent=*/false); if (DVar.CKind == OMPC_reduction) { S.Diag(ELoc, diag::err_omp_once_referenced) << getOpenMPClauseName(ClauseKind); if (DVar.RefExpr) S.Diag(DVar.RefExpr->getExprLoc(), diag::note_omp_referenced); continue; } if (DVar.CKind != OMPC_unknown) { S.Diag(ELoc, diag::err_omp_wrong_dsa) << getOpenMPClauseName(DVar.CKind) << getOpenMPClauseName(OMPC_reduction); reportOriginalDsa(S, Stack, D, DVar); continue; } // OpenMP [2.14.3.6, Restrictions, p.1] // A list item that appears in a reduction clause of a worksharing // construct must be shared in the parallel regions to which any of the // worksharing regions arising from the worksharing construct bind. if (isOpenMPWorksharingDirective(CurrDir) && !isOpenMPParallelDirective(CurrDir) && !isOpenMPTeamsDirective(CurrDir)) { DVar = Stack->getImplicitDSA(D, true); if (DVar.CKind != OMPC_shared) { S.Diag(ELoc, diag::err_omp_required_access) << getOpenMPClauseName(OMPC_reduction) << getOpenMPClauseName(OMPC_shared); reportOriginalDsa(S, Stack, D, DVar); continue; } } } // Try to find 'declare reduction' corresponding construct before using // builtin/overloaded operators. CXXCastPath BasePath; ExprResult DeclareReductionRef = buildDeclareReductionRef( S, ELoc, ERange, Stack->getCurScope(), ReductionIdScopeSpec, ReductionId, Type, BasePath, IR == ER ? nullptr : *IR); if (DeclareReductionRef.isInvalid()) continue; if (S.CurContext->isDependentContext() && (DeclareReductionRef.isUnset() || isa(DeclareReductionRef.get()))) { RD.push(RefExpr, DeclareReductionRef.get()); continue; } if (BOK == BO_Comma && DeclareReductionRef.isUnset()) { // Not allowed reduction identifier is found. S.Diag(ReductionId.getBeginLoc(), diag::err_omp_unknown_reduction_identifier) << Type << ReductionIdRange; continue; } // OpenMP [2.14.3.6, reduction clause, Restrictions] // The type of a list item that appears in a reduction clause must be valid // for the reduction-identifier. For a max or min reduction in C, the type // of the list item must be an allowed arithmetic data type: char, int, // float, double, or _Bool, possibly modified with long, short, signed, or // unsigned. For a max or min reduction in C++, the type of the list item // must be an allowed arithmetic data type: char, wchar_t, int, float, // double, or bool, possibly modified with long, short, signed, or unsigned. if (DeclareReductionRef.isUnset()) { if ((BOK == BO_GT || BOK == BO_LT) && !(Type->isScalarType() || (S.getLangOpts().CPlusPlus && Type->isArithmeticType()))) { S.Diag(ELoc, diag::err_omp_clause_not_arithmetic_type_arg) << getOpenMPClauseName(ClauseKind) << S.getLangOpts().CPlusPlus; if (!ASE && !OASE) { bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; S.Diag(D->getLocation(), IsDecl ? diag::note_previous_decl : diag::note_defined_here) << D; } continue; } if ((BOK == BO_OrAssign || BOK == BO_AndAssign || BOK == BO_XorAssign) && !S.getLangOpts().CPlusPlus && Type->isFloatingType()) { S.Diag(ELoc, diag::err_omp_clause_floating_type_arg) << getOpenMPClauseName(ClauseKind); if (!ASE && !OASE) { bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; S.Diag(D->getLocation(), IsDecl ? diag::note_previous_decl : diag::note_defined_here) << D; } continue; } } Type = Type.getNonLValueExprType(Context).getUnqualifiedType(); VarDecl *LHSVD = buildVarDecl(S, ELoc, Type, ".reduction.lhs", D->hasAttrs() ? &D->getAttrs() : nullptr); VarDecl *RHSVD = buildVarDecl(S, ELoc, Type, D->getName(), D->hasAttrs() ? &D->getAttrs() : nullptr); QualType PrivateTy = Type; // Try if we can determine constant lengths for all array sections and avoid // the VLA. bool ConstantLengthOASE = false; if (OASE) { bool SingleElement; llvm::SmallVector ArraySizes; ConstantLengthOASE = checkOMPArraySectionConstantForReduction( Context, OASE, SingleElement, ArraySizes); // If we don't have a single element, we must emit a constant array type. if (ConstantLengthOASE && !SingleElement) { for (llvm::APSInt &Size : ArraySizes) PrivateTy = Context.getConstantArrayType( PrivateTy, Size, ArrayType::Normal, /*IndexTypeQuals=*/0); } } if ((OASE && !ConstantLengthOASE) || (!OASE && !ASE && D->getType().getNonReferenceType()->isVariablyModifiedType())) { if (!Context.getTargetInfo().isVLASupported()) { if (isOpenMPTargetExecutionDirective(Stack->getCurrentDirective())) { S.Diag(ELoc, diag::err_omp_reduction_vla_unsupported) << !!OASE; S.Diag(ELoc, diag::note_vla_unsupported); } else { S.targetDiag(ELoc, diag::err_omp_reduction_vla_unsupported) << !!OASE; S.targetDiag(ELoc, diag::note_vla_unsupported); } continue; } // For arrays/array sections only: // Create pseudo array type for private copy. The size for this array will // be generated during codegen. // For array subscripts or single variables Private Ty is the same as Type // (type of the variable or single array element). PrivateTy = Context.getVariableArrayType( Type, new (Context) OpaqueValueExpr(ELoc, Context.getSizeType(), VK_RValue), ArrayType::Normal, /*IndexTypeQuals=*/0, SourceRange()); } else if (!ASE && !OASE && Context.getAsArrayType(D->getType().getNonReferenceType())) { PrivateTy = D->getType().getNonReferenceType(); } // Private copy. VarDecl *PrivateVD = buildVarDecl(S, ELoc, PrivateTy, D->getName(), D->hasAttrs() ? &D->getAttrs() : nullptr, VD ? cast(SimpleRefExpr) : nullptr); // Add initializer for private variable. Expr *Init = nullptr; DeclRefExpr *LHSDRE = buildDeclRefExpr(S, LHSVD, Type, ELoc); DeclRefExpr *RHSDRE = buildDeclRefExpr(S, RHSVD, Type, ELoc); if (DeclareReductionRef.isUsable()) { auto *DRDRef = DeclareReductionRef.getAs(); auto *DRD = cast(DRDRef->getDecl()); if (DRD->getInitializer()) { Init = DRDRef; RHSVD->setInit(DRDRef); RHSVD->setInitStyle(VarDecl::CallInit); } } else { switch (BOK) { case BO_Add: case BO_Xor: case BO_Or: case BO_LOr: // '+', '-', '^', '|', '||' reduction ops - initializer is '0'. if (Type->isScalarType() || Type->isAnyComplexType()) Init = S.ActOnIntegerConstant(ELoc, /*Val=*/0).get(); break; case BO_Mul: case BO_LAnd: if (Type->isScalarType() || Type->isAnyComplexType()) { // '*' and '&&' reduction ops - initializer is '1'. Init = S.ActOnIntegerConstant(ELoc, /*Val=*/1).get(); } break; case BO_And: { // '&' reduction op - initializer is '~0'. QualType OrigType = Type; if (auto *ComplexTy = OrigType->getAs()) Type = ComplexTy->getElementType(); if (Type->isRealFloatingType()) { llvm::APFloat InitValue = llvm::APFloat::getAllOnesValue(Context.getTypeSize(Type), /*isIEEE=*/true); Init = FloatingLiteral::Create(Context, InitValue, /*isexact=*/true, Type, ELoc); } else if (Type->isScalarType()) { uint64_t Size = Context.getTypeSize(Type); QualType IntTy = Context.getIntTypeForBitwidth(Size, /*Signed=*/0); llvm::APInt InitValue = llvm::APInt::getAllOnesValue(Size); Init = IntegerLiteral::Create(Context, InitValue, IntTy, ELoc); } if (Init && OrigType->isAnyComplexType()) { // Init = 0xFFFF + 0xFFFFi; auto *Im = new (Context) ImaginaryLiteral(Init, OrigType); Init = S.CreateBuiltinBinOp(ELoc, BO_Add, Init, Im).get(); } Type = OrigType; break; } case BO_LT: case BO_GT: { // 'min' reduction op - initializer is 'Largest representable number in // the reduction list item type'. // 'max' reduction op - initializer is 'Least representable number in // the reduction list item type'. if (Type->isIntegerType() || Type->isPointerType()) { bool IsSigned = Type->hasSignedIntegerRepresentation(); uint64_t Size = Context.getTypeSize(Type); QualType IntTy = Context.getIntTypeForBitwidth(Size, /*Signed=*/IsSigned); llvm::APInt InitValue = (BOK != BO_LT) ? IsSigned ? llvm::APInt::getSignedMinValue(Size) : llvm::APInt::getMinValue(Size) : IsSigned ? llvm::APInt::getSignedMaxValue(Size) : llvm::APInt::getMaxValue(Size); Init = IntegerLiteral::Create(Context, InitValue, IntTy, ELoc); if (Type->isPointerType()) { // Cast to pointer type. ExprResult CastExpr = S.BuildCStyleCastExpr( ELoc, Context.getTrivialTypeSourceInfo(Type, ELoc), ELoc, Init); if (CastExpr.isInvalid()) continue; Init = CastExpr.get(); } } else if (Type->isRealFloatingType()) { llvm::APFloat InitValue = llvm::APFloat::getLargest( Context.getFloatTypeSemantics(Type), BOK != BO_LT); Init = FloatingLiteral::Create(Context, InitValue, /*isexact=*/true, Type, ELoc); } break; } case BO_PtrMemD: case BO_PtrMemI: case BO_MulAssign: case BO_Div: case BO_Rem: case BO_Sub: case BO_Shl: case BO_Shr: case BO_LE: case BO_GE: case BO_EQ: case BO_NE: case BO_Cmp: case BO_AndAssign: case BO_XorAssign: case BO_OrAssign: case BO_Assign: case BO_AddAssign: case BO_SubAssign: case BO_DivAssign: case BO_RemAssign: case BO_ShlAssign: case BO_ShrAssign: case BO_Comma: llvm_unreachable("Unexpected reduction operation"); } } if (Init && DeclareReductionRef.isUnset()) S.AddInitializerToDecl(RHSVD, Init, /*DirectInit=*/false); else if (!Init) S.ActOnUninitializedDecl(RHSVD); if (RHSVD->isInvalidDecl()) continue; if (!RHSVD->hasInit() && (DeclareReductionRef.isUnset() || !S.LangOpts.CPlusPlus)) { S.Diag(ELoc, diag::err_omp_reduction_id_not_compatible) << Type << ReductionIdRange; bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; S.Diag(D->getLocation(), IsDecl ? diag::note_previous_decl : diag::note_defined_here) << D; continue; } // Store initializer for single element in private copy. Will be used during // codegen. PrivateVD->setInit(RHSVD->getInit()); PrivateVD->setInitStyle(RHSVD->getInitStyle()); DeclRefExpr *PrivateDRE = buildDeclRefExpr(S, PrivateVD, PrivateTy, ELoc); ExprResult ReductionOp; if (DeclareReductionRef.isUsable()) { QualType RedTy = DeclareReductionRef.get()->getType(); QualType PtrRedTy = Context.getPointerType(RedTy); ExprResult LHS = S.CreateBuiltinUnaryOp(ELoc, UO_AddrOf, LHSDRE); ExprResult RHS = S.CreateBuiltinUnaryOp(ELoc, UO_AddrOf, RHSDRE); if (!BasePath.empty()) { LHS = S.DefaultLvalueConversion(LHS.get()); RHS = S.DefaultLvalueConversion(RHS.get()); LHS = ImplicitCastExpr::Create(Context, PtrRedTy, CK_UncheckedDerivedToBase, LHS.get(), &BasePath, LHS.get()->getValueKind()); RHS = ImplicitCastExpr::Create(Context, PtrRedTy, CK_UncheckedDerivedToBase, RHS.get(), &BasePath, RHS.get()->getValueKind()); } FunctionProtoType::ExtProtoInfo EPI; QualType Params[] = {PtrRedTy, PtrRedTy}; QualType FnTy = Context.getFunctionType(Context.VoidTy, Params, EPI); auto *OVE = new (Context) OpaqueValueExpr( ELoc, Context.getPointerType(FnTy), VK_RValue, OK_Ordinary, S.DefaultLvalueConversion(DeclareReductionRef.get()).get()); Expr *Args[] = {LHS.get(), RHS.get()}; ReductionOp = CallExpr::Create(Context, OVE, Args, Context.VoidTy, VK_RValue, ELoc); } else { ReductionOp = S.BuildBinOp( Stack->getCurScope(), ReductionId.getBeginLoc(), BOK, LHSDRE, RHSDRE); if (ReductionOp.isUsable()) { if (BOK != BO_LT && BOK != BO_GT) { ReductionOp = S.BuildBinOp(Stack->getCurScope(), ReductionId.getBeginLoc(), BO_Assign, LHSDRE, ReductionOp.get()); } else { auto *ConditionalOp = new (Context) ConditionalOperator(ReductionOp.get(), ELoc, LHSDRE, ELoc, RHSDRE, Type, VK_LValue, OK_Ordinary); ReductionOp = S.BuildBinOp(Stack->getCurScope(), ReductionId.getBeginLoc(), BO_Assign, LHSDRE, ConditionalOp); } if (ReductionOp.isUsable()) ReductionOp = S.ActOnFinishFullExpr(ReductionOp.get(), /*DiscardedValue*/ false); } if (!ReductionOp.isUsable()) continue; } // OpenMP [2.15.4.6, Restrictions, p.2] // A list item that appears in an in_reduction clause of a task construct // must appear in a task_reduction clause of a construct associated with a // taskgroup region that includes the participating task in its taskgroup // set. The construct associated with the innermost region that meets this // condition must specify the same reduction-identifier as the in_reduction // clause. if (ClauseKind == OMPC_in_reduction) { SourceRange ParentSR; BinaryOperatorKind ParentBOK; const Expr *ParentReductionOp; Expr *ParentBOKTD, *ParentReductionOpTD; DSAStackTy::DSAVarData ParentBOKDSA = Stack->getTopMostTaskgroupReductionData(D, ParentSR, ParentBOK, ParentBOKTD); DSAStackTy::DSAVarData ParentReductionOpDSA = Stack->getTopMostTaskgroupReductionData( D, ParentSR, ParentReductionOp, ParentReductionOpTD); bool IsParentBOK = ParentBOKDSA.DKind != OMPD_unknown; bool IsParentReductionOp = ParentReductionOpDSA.DKind != OMPD_unknown; if (!IsParentBOK && !IsParentReductionOp) { S.Diag(ELoc, diag::err_omp_in_reduction_not_task_reduction); continue; } if ((DeclareReductionRef.isUnset() && IsParentReductionOp) || (DeclareReductionRef.isUsable() && IsParentBOK) || BOK != ParentBOK || IsParentReductionOp) { bool EmitError = true; if (IsParentReductionOp && DeclareReductionRef.isUsable()) { llvm::FoldingSetNodeID RedId, ParentRedId; ParentReductionOp->Profile(ParentRedId, Context, /*Canonical=*/true); DeclareReductionRef.get()->Profile(RedId, Context, /*Canonical=*/true); EmitError = RedId != ParentRedId; } if (EmitError) { S.Diag(ReductionId.getBeginLoc(), diag::err_omp_reduction_identifier_mismatch) << ReductionIdRange << RefExpr->getSourceRange(); S.Diag(ParentSR.getBegin(), diag::note_omp_previous_reduction_identifier) << ParentSR << (IsParentBOK ? ParentBOKDSA.RefExpr : ParentReductionOpDSA.RefExpr) ->getSourceRange(); continue; } } TaskgroupDescriptor = IsParentBOK ? ParentBOKTD : ParentReductionOpTD; assert(TaskgroupDescriptor && "Taskgroup descriptor must be defined."); } DeclRefExpr *Ref = nullptr; Expr *VarsExpr = RefExpr->IgnoreParens(); if (!VD && !S.CurContext->isDependentContext()) { if (ASE || OASE) { TransformExprToCaptures RebuildToCapture(S, D); VarsExpr = RebuildToCapture.TransformExpr(RefExpr->IgnoreParens()).get(); Ref = RebuildToCapture.getCapturedExpr(); } else { VarsExpr = Ref = buildCapture(S, D, SimpleRefExpr, /*WithInit=*/false); } if (!S.isOpenMPCapturedDecl(D)) { RD.ExprCaptures.emplace_back(Ref->getDecl()); if (Ref->getDecl()->hasAttr()) { ExprResult RefRes = S.DefaultLvalueConversion(Ref); if (!RefRes.isUsable()) continue; ExprResult PostUpdateRes = S.BuildBinOp(Stack->getCurScope(), ELoc, BO_Assign, SimpleRefExpr, RefRes.get()); if (!PostUpdateRes.isUsable()) continue; if (isOpenMPTaskingDirective(Stack->getCurrentDirective()) || Stack->getCurrentDirective() == OMPD_taskgroup) { S.Diag(RefExpr->getExprLoc(), diag::err_omp_reduction_non_addressable_expression) << RefExpr->getSourceRange(); continue; } RD.ExprPostUpdates.emplace_back( S.IgnoredValueConversions(PostUpdateRes.get()).get()); } } } // All reduction items are still marked as reduction (to do not increase // code base size). Stack->addDSA(D, RefExpr->IgnoreParens(), OMPC_reduction, Ref); if (CurrDir == OMPD_taskgroup) { if (DeclareReductionRef.isUsable()) Stack->addTaskgroupReductionData(D, ReductionIdRange, DeclareReductionRef.get()); else Stack->addTaskgroupReductionData(D, ReductionIdRange, BOK); } RD.push(VarsExpr, PrivateDRE, LHSDRE, RHSDRE, ReductionOp.get(), TaskgroupDescriptor); } return RD.Vars.empty(); } OMPClause *Sema::ActOnOpenMPReductionClause( ArrayRef VarList, SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation ColonLoc, SourceLocation EndLoc, CXXScopeSpec &ReductionIdScopeSpec, const DeclarationNameInfo &ReductionId, ArrayRef UnresolvedReductions) { ReductionData RD(VarList.size()); if (actOnOMPReductionKindClause(*this, DSAStack, OMPC_reduction, VarList, StartLoc, LParenLoc, ColonLoc, EndLoc, ReductionIdScopeSpec, ReductionId, UnresolvedReductions, RD)) return nullptr; return OMPReductionClause::Create( Context, StartLoc, LParenLoc, ColonLoc, EndLoc, RD.Vars, ReductionIdScopeSpec.getWithLocInContext(Context), ReductionId, RD.Privates, RD.LHSs, RD.RHSs, RD.ReductionOps, buildPreInits(Context, RD.ExprCaptures), buildPostUpdate(*this, RD.ExprPostUpdates)); } OMPClause *Sema::ActOnOpenMPTaskReductionClause( ArrayRef VarList, SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation ColonLoc, SourceLocation EndLoc, CXXScopeSpec &ReductionIdScopeSpec, const DeclarationNameInfo &ReductionId, ArrayRef UnresolvedReductions) { ReductionData RD(VarList.size()); if (actOnOMPReductionKindClause(*this, DSAStack, OMPC_task_reduction, VarList, StartLoc, LParenLoc, ColonLoc, EndLoc, ReductionIdScopeSpec, ReductionId, UnresolvedReductions, RD)) return nullptr; return OMPTaskReductionClause::Create( Context, StartLoc, LParenLoc, ColonLoc, EndLoc, RD.Vars, ReductionIdScopeSpec.getWithLocInContext(Context), ReductionId, RD.Privates, RD.LHSs, RD.RHSs, RD.ReductionOps, buildPreInits(Context, RD.ExprCaptures), buildPostUpdate(*this, RD.ExprPostUpdates)); } OMPClause *Sema::ActOnOpenMPInReductionClause( ArrayRef VarList, SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation ColonLoc, SourceLocation EndLoc, CXXScopeSpec &ReductionIdScopeSpec, const DeclarationNameInfo &ReductionId, ArrayRef UnresolvedReductions) { ReductionData RD(VarList.size()); if (actOnOMPReductionKindClause(*this, DSAStack, OMPC_in_reduction, VarList, StartLoc, LParenLoc, ColonLoc, EndLoc, ReductionIdScopeSpec, ReductionId, UnresolvedReductions, RD)) return nullptr; return OMPInReductionClause::Create( Context, StartLoc, LParenLoc, ColonLoc, EndLoc, RD.Vars, ReductionIdScopeSpec.getWithLocInContext(Context), ReductionId, RD.Privates, RD.LHSs, RD.RHSs, RD.ReductionOps, RD.TaskgroupDescriptors, buildPreInits(Context, RD.ExprCaptures), buildPostUpdate(*this, RD.ExprPostUpdates)); } bool Sema::CheckOpenMPLinearModifier(OpenMPLinearClauseKind LinKind, SourceLocation LinLoc) { if ((!LangOpts.CPlusPlus && LinKind != OMPC_LINEAR_val) || LinKind == OMPC_LINEAR_unknown) { Diag(LinLoc, diag::err_omp_wrong_linear_modifier) << LangOpts.CPlusPlus; return true; } return false; } bool Sema::CheckOpenMPLinearDecl(const ValueDecl *D, SourceLocation ELoc, OpenMPLinearClauseKind LinKind, QualType Type) { const auto *VD = dyn_cast_or_null(D); // A variable must not have an incomplete type or a reference type. if (RequireCompleteType(ELoc, Type, diag::err_omp_linear_incomplete_type)) return true; if ((LinKind == OMPC_LINEAR_uval || LinKind == OMPC_LINEAR_ref) && !Type->isReferenceType()) { Diag(ELoc, diag::err_omp_wrong_linear_modifier_non_reference) << Type << getOpenMPSimpleClauseTypeName(OMPC_linear, LinKind); return true; } Type = Type.getNonReferenceType(); // OpenMP 5.0 [2.19.3, List Item Privatization, Restrictions] // A variable that is privatized must not have a const-qualified type // unless it is of class type with a mutable member. This restriction does // not apply to the firstprivate clause. if (rejectConstNotMutableType(*this, D, Type, OMPC_linear, ELoc)) return true; // A list item must be of integral or pointer type. Type = Type.getUnqualifiedType().getCanonicalType(); const auto *Ty = Type.getTypePtrOrNull(); if (!Ty || (!Ty->isDependentType() && !Ty->isIntegralType(Context) && !Ty->isPointerType())) { Diag(ELoc, diag::err_omp_linear_expected_int_or_ptr) << Type; if (D) { bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; Diag(D->getLocation(), IsDecl ? diag::note_previous_decl : diag::note_defined_here) << D; } return true; } return false; } OMPClause *Sema::ActOnOpenMPLinearClause( ArrayRef VarList, Expr *Step, SourceLocation StartLoc, SourceLocation LParenLoc, OpenMPLinearClauseKind LinKind, SourceLocation LinLoc, SourceLocation ColonLoc, SourceLocation EndLoc) { SmallVector Vars; SmallVector Privates; SmallVector Inits; SmallVector ExprCaptures; SmallVector ExprPostUpdates; if (CheckOpenMPLinearModifier(LinKind, LinLoc)) LinKind = OMPC_LINEAR_val; for (Expr *RefExpr : VarList) { assert(RefExpr && "NULL expr in OpenMP linear clause."); SourceLocation ELoc; SourceRange ERange; Expr *SimpleRefExpr = RefExpr; auto Res = ge