Index: lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.h =================================================================== --- lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.h +++ lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.h @@ -380,10 +380,9 @@ const DWARFDIE &die, const lldb::addr_t func_low_pc); - void - ParseAndAppendGlobalVariable(const lldb_private::SymbolContext &sc, - const DWARFDIE &die, - lldb_private::VariableList &cc_variable_list); + void ParseAndAppendGlobalVariable( + const lldb_private::SymbolContext &sc, const DWARFDIE &die, + lldb_private::VariableList &cc_variable_list); size_t ParseVariablesInFunctionContext(const lldb_private::SymbolContext &sc, const DWARFDIE &die, Index: lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp =================================================================== --- lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp +++ lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp @@ -3498,7 +3498,9 @@ return; } - // We haven't already parsed it, lets do that now. + // We haven't parsed the variable yet, lets do that now. Also, let us include + // the variable in the relevant compilation unit's variable list, if it + // exists. VariableListSP variable_list_sp; DWARFDIE sc_parent_die = GetParentSymbolContextDIE(die); dw_tag_t parent_tag = sc_parent_die.Tag(); @@ -3540,13 +3542,46 @@ if (!die || !sc.function) return 0; - const std::function + using DIEVector = llvm::SmallVector; + + const std::function parse_recursive = [this, func_low_pc, &parse_recursive, &sc](const DWARFDIE &die, - VariableListSP variable_list_sp) -> size_t { + VariableListSP variable_list_sp, + DIEVector &abstract_formal_parameters, + size_t &abstract_parameter_index) -> size_t { size_t vars_added = 0; dw_tag_t tag = die.Tag(); + // If we are parsing a formal parameter, let us make sure that we insert + // preceding abstract parameters if they were omitted from the concrete + // function instance. + if (tag == DW_TAG_formal_parameter) { + while (abstract_parameter_index < + abstract_formal_parameters.size()) { + const DWARFDIE &abstract_parameter = + abstract_formal_parameters[abstract_parameter_index++]; + DWARFDIE parameter = die; + bool found = false; + while (parameter) { + parameter = parameter.GetReferencedDIE(DW_AT_abstract_origin); + if (parameter == abstract_parameter) { + found = true; + break; + } + } + if (found) + break; + VariableSP var_sp(ParseVariableDIE(sc, abstract_parameter, func_low_pc)); + if (var_sp) { + variable_list_sp->AddVariableIfUnique(var_sp); + ++vars_added; + } + } + } + + // If |die| is a variable, parse it and insert it. if ((tag == DW_TAG_variable) || (tag == DW_TAG_constant) || (tag == DW_TAG_formal_parameter)) { VariableSP var_sp(ParseVariableDIE(sc, die, func_low_pc)); @@ -3560,7 +3595,8 @@ case DW_TAG_subprogram: case DW_TAG_inlined_subroutine: case DW_TAG_lexical_block: { - // If we start a new block, compute a new block context and recurse. + // If we are starting a new block, compute a new block context and recurse + // in that context. Block *block = sc.function->GetBlock(true).FindBlockByID(die.GetID()); if (block == nullptr) { // This must be a specification or abstract origin with a @@ -3584,11 +3620,46 @@ block_variable_list_sp = std::make_shared(); block->SetVariableList(block_variable_list_sp); } + + DIEVector block_abstract_formal_parameters; + if (tag == DW_TAG_inlined_subroutine) { + // Walk abstract origins until we find DW_TAG_subprogram and extract + // its formal parameters. + DWARFDIE abs_die = die; + while (abs_die && abs_die.Tag() != DW_TAG_subprogram) { + abs_die = abs_die.GetReferencedDIE(DW_AT_abstract_origin); + } + if (abs_die && abs_die.HasChildren()) { + for (DWARFDIE child = abs_die.GetFirstChild(); child; + child = child.GetSibling()) { + if (child.Tag() == DW_TAG_formal_parameter) { + block_abstract_formal_parameters.push_back(child); + } + } + } + } + + size_t block_parameter_index = 0; + // Recursively parse children in the context of the block. for (DWARFDIE child = die.GetFirstChild(); child; child = child.GetSibling()) { - vars_added += parse_recursive(child, block_variable_list_sp); + vars_added += parse_recursive(child, block_variable_list_sp, + block_abstract_formal_parameters, + block_parameter_index); } + // If there any remaining abstract formal parameters, parse and insert + // them as well. + while (block_parameter_index < block_abstract_formal_parameters.size()) { + const DWARFDIE &abstract_parameter = + block_abstract_formal_parameters[block_parameter_index++]; + VariableSP var_sp( + ParseVariableDIE(sc, abstract_parameter, func_low_pc)); + if (var_sp) { + block_variable_list_sp->AddVariableIfUnique(var_sp); + ++vars_added; + } + } break; } @@ -3596,9 +3667,10 @@ // Recurse to children with the same block context. for (DWARFDIE child = die.GetFirstChild(); child; child = child.GetSibling()) { - vars_added += parse_recursive(child, variable_list_sp); + vars_added += + parse_recursive(child, variable_list_sp, abstract_formal_parameters, + abstract_parameter_index); } - break; } @@ -3608,7 +3680,11 @@ Block *block = sc.function->GetBlock(true).FindBlockByID(die.GetID()); const bool can_create = false; VariableListSP variable_list_sp = block->GetBlockVariableList(can_create); - return parse_recursive(die, variable_list_sp); + DIEVector block_abstract_formal_parameters; + size_t block_parameter_index = 0; + return parse_recursive(die, variable_list_sp, + block_abstract_formal_parameters, + block_parameter_index); } /// Collect call site parameters in a DW_TAG_call_site DIE. Index: lldb/test/Shell/SymbolFile/DWARF/x86/Inputs/unused-inlined-params.s =================================================================== --- /dev/null +++ lldb/test/Shell/SymbolFile/DWARF/x86/Inputs/unused-inlined-params.s @@ -0,0 +1,423 @@ +# Generated from the following program (with some pruning): +# +# 1 #include +# 2 +# 3 __attribute__((always_inline)) +# 4 void f(void* unused1, int used, int unused2, int partial, int unused3) { +# 5 used += partial; +# 6 printf("%i", partial); +# 7 printf("%i", used); +# 8 } +# 9 +# 10 int main(int argc, char** argv) { +# 11 f(argv, 42, 1, argc, 2); +# 12 return 0; +# 13 } + .text + .file "unused-inlined-params.c" + .globl main # -- Begin function main + .p2align 4, 0x90 + .type main,@function +main: # @main +.Lfunc_begin1: + .file 1 "/example" "unused-inlined-params.c" + .loc 1 10 0 # unused-inlined-params.c:10:0 + .cfi_startproc +# %bb.0: + #DEBUG_VALUE: main:argc <- $edi + #DEBUG_VALUE: main:argv <- $rsi + #DEBUG_VALUE: f:partial <- $edi + pushq %rbx + .cfi_def_cfa_offset 16 + .cfi_offset %rbx, -16 + movl %edi, %esi +.Lline5: + #DEBUG_VALUE: main:argv <- [DW_OP_LLVM_entry_value 1] $rsi + #DEBUG_VALUE: f:unused3 <- undef + #DEBUG_VALUE: f:unused2 <- undef + #DEBUG_VALUE: f:used <- 42 + #DEBUG_VALUE: f:unused1 <- undef + #DEBUG_VALUE: f:partial <- $esi + #DEBUG_VALUE: main:argc <- $esi + .loc 1 5 8 prologue_end # unused-inlined-params.c:5:8 + leal 42(%rsi), %ebx +.Lline6: + #DEBUG_VALUE: f:used <- $ebx + .loc 1 6 3 # unused-inlined-params.c:6:3 + movl $.L.str, %edi + # kill: def $esi killed $esi killed $rsi + xorl %eax, %eax + callq printf +.Lline7: + .loc 1 7 3 # unused-inlined-params.c:7:3 + movl $.L.str, %edi + movl %ebx, %esi + xorl %eax, %eax + callq printf +.Lline12: + .loc 1 12 3 # unused-inlined-params.c:12:3 + xorl %eax, %eax + popq %rbx +.Lreturn1: + .cfi_def_cfa_offset 8 + retq +.Lfunc_end1: + .size main, .Lfunc_end1-main + .cfi_endproc + # -- End function +# Dummy printf implementation. +printf: + retq + +# Simple implementation of _start - set up argc, argv and tail-call main. + .globl _start + .p2align 4, 0x90 + .type _start,@function +_start: + movl (%rsp), %edi + leaq 4(%rsp), %rsi + jmp main + + .type .L.str,@object # @.str + .section .rodata.str1.1,"aMS",@progbits,1 +.L.str: + .asciz "%i" + .size .L.str, 3 + + .section .debug_loc,"",@progbits +.Ldebug_loc_argc: + .quad .Lfunc_begin1-.Lfunc_begin1 + .quad .Lline5-.Lfunc_begin1 + .short 1 # Loc expr size + .byte 85 # super-register DW_OP_reg5 + .quad .Lline5-.Lfunc_begin1 + .quad .Lline7-.Lfunc_begin1 + .short 1 # Loc expr size + .byte 84 # super-register DW_OP_reg4 + .quad 0 + .quad 0 +.Ldebug_loc3: + .quad .Lfunc_begin1-.Lfunc_begin1 + .quad .Lline5-.Lfunc_begin1 + .short 1 # Loc expr size + .byte 84 # DW_OP_reg4 + .quad .Lline5-.Lfunc_begin1 + .quad .Lfunc_end1-.Lfunc_begin1 + .short 4 # Loc expr size + .byte 243 # DW_OP_GNU_entry_value + .byte 1 # 1 + .byte 84 # DW_OP_reg4 + .byte 159 # DW_OP_stack_value + .quad 0 + .quad 0 +.Ldebug_loc4: + .quad .Lfunc_begin1-.Lfunc_begin1 + .quad .Lline5-.Lfunc_begin1 + .short 1 # Loc expr size + .byte 85 # super-register DW_OP_reg5 + .quad .Lline5-.Lfunc_begin1 + .quad .Lline7-.Lfunc_begin1 + .short 1 # Loc expr size + .byte 84 # super-register DW_OP_reg4 + .quad 0 + .quad 0 +.Ldebug_loc5: + .quad .Lline5-.Lfunc_begin1 + .quad .Lline6-.Lfunc_begin1 + .short 3 # Loc expr size + .byte 17 # DW_OP_consts + .byte 42 # 42 + .byte 159 # DW_OP_stack_value + .quad .Lline6-.Lfunc_begin1 + .quad .Lreturn1-.Lfunc_begin1 + .short 1 # Loc expr size + .byte 83 # super-register DW_OP_reg3 + .quad 0 + .quad 0 + .section .debug_abbrev,"",@progbits + .byte 1 # Abbreviation Code + .byte 17 # DW_TAG_compile_unit + .byte 1 # DW_CHILDREN_yes + .byte 19 # DW_AT_language + .byte 5 # DW_FORM_data2 + .byte 3 # DW_AT_name + .byte 14 # DW_FORM_strp + .byte 16 # DW_AT_stmt_list + .byte 23 # DW_FORM_sec_offset + .byte 27 # DW_AT_comp_dir + .byte 14 # DW_FORM_strp + .byte 17 # DW_AT_low_pc + .byte 1 # DW_FORM_addr + .byte 18 # DW_AT_high_pc + .byte 6 # DW_FORM_data4 + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 4 # Abbreviation Code + .byte 5 # DW_TAG_formal_parameter + .byte 0 # DW_CHILDREN_no + .byte 2 # DW_AT_location + .byte 23 # DW_FORM_sec_offset + .byte 49 # DW_AT_abstract_origin + .byte 19 # DW_FORM_ref4 + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 5 # Abbreviation Code + .byte 46 # DW_TAG_subprogram + .byte 1 # DW_CHILDREN_yes + .byte 3 # DW_AT_name + .byte 14 # DW_FORM_strp + .byte 58 # DW_AT_decl_file + .byte 11 # DW_FORM_data1 + .byte 59 # DW_AT_decl_line + .byte 11 # DW_FORM_data1 + .byte 39 # DW_AT_prototyped + .byte 25 # DW_FORM_flag_present + .byte 63 # DW_AT_external + .byte 25 # DW_FORM_flag_present + .byte 32 # DW_AT_inline + .byte 11 # DW_FORM_data1 + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 6 # Abbreviation Code + .byte 5 # DW_TAG_formal_parameter + .byte 0 # DW_CHILDREN_no + .byte 3 # DW_AT_name + .byte 14 # DW_FORM_strp + .byte 58 # DW_AT_decl_file + .byte 11 # DW_FORM_data1 + .byte 59 # DW_AT_decl_line + .byte 11 # DW_FORM_data1 + .byte 73 # DW_AT_type + .byte 19 # DW_FORM_ref4 + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 7 # Abbreviation Code + .byte 15 # DW_TAG_pointer_type + .byte 0 # DW_CHILDREN_no + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 8 # Abbreviation Code + .byte 36 # DW_TAG_base_type + .byte 0 # DW_CHILDREN_no + .byte 3 # DW_AT_name + .byte 14 # DW_FORM_strp + .byte 62 # DW_AT_encoding + .byte 11 # DW_FORM_data1 + .byte 11 # DW_AT_byte_size + .byte 11 # DW_FORM_data1 + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 9 # Abbreviation Code + .byte 46 # DW_TAG_subprogram + .byte 1 # DW_CHILDREN_yes + .byte 17 # DW_AT_low_pc + .byte 1 # DW_FORM_addr + .byte 18 # DW_AT_high_pc + .byte 6 # DW_FORM_data4 + .byte 64 # DW_AT_frame_base + .byte 24 # DW_FORM_exprloc + .ascii "\227B" # DW_AT_GNU_all_call_sites + .byte 25 # DW_FORM_flag_present + .byte 3 # DW_AT_name + .byte 14 # DW_FORM_strp + .byte 58 # DW_AT_decl_file + .byte 11 # DW_FORM_data1 + .byte 59 # DW_AT_decl_line + .byte 11 # DW_FORM_data1 + .byte 39 # DW_AT_prototyped + .byte 25 # DW_FORM_flag_present + .byte 73 # DW_AT_type + .byte 19 # DW_FORM_ref4 + .byte 63 # DW_AT_external + .byte 25 # DW_FORM_flag_present + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 10 # Abbreviation Code + .byte 5 # DW_TAG_formal_parameter + .byte 0 # DW_CHILDREN_no + .byte 2 # DW_AT_location + .byte 23 # DW_FORM_sec_offset + .byte 3 # DW_AT_name + .byte 14 # DW_FORM_strp + .byte 58 # DW_AT_decl_file + .byte 11 # DW_FORM_data1 + .byte 59 # DW_AT_decl_line + .byte 11 # DW_FORM_data1 + .byte 73 # DW_AT_type + .byte 19 # DW_FORM_ref4 + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 11 # Abbreviation Code + .byte 29 # DW_TAG_inlined_subroutine + .byte 1 # DW_CHILDREN_yes + .byte 49 # DW_AT_abstract_origin + .byte 19 # DW_FORM_ref4 + .byte 17 # DW_AT_low_pc + .byte 1 # DW_FORM_addr + .byte 18 # DW_AT_high_pc + .byte 6 # DW_FORM_data4 + .byte 88 # DW_AT_call_file + .byte 11 # DW_FORM_data1 + .byte 89 # DW_AT_call_line + .byte 11 # DW_FORM_data1 + .byte 87 # DW_AT_call_column + .byte 11 # DW_FORM_data1 + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 12 # Abbreviation Code + .byte 15 # DW_TAG_pointer_type + .byte 0 # DW_CHILDREN_no + .byte 73 # DW_AT_type + .byte 19 # DW_FORM_ref4 + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 0 # EOM(3) + .section .debug_info,"",@progbits +.Lcu_begin0: + .long .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit +.Ldebug_info_start0: + .short 4 # DWARF version number + .long .debug_abbrev # Offset Into Abbrev. Section + .byte 8 # Address Size (in bytes) + .byte 1 # Abbrev [1] 0xb:0x11c DW_TAG_compile_unit + .short 12 # DW_AT_language + .long .Linfo_string1 # DW_AT_name + .long .Lline_table_start0 # DW_AT_stmt_list + .long .Linfo_string2 # DW_AT_comp_dir + .quad .Lfunc_begin1 # DW_AT_low_pc + .long .Lfunc_end1-.Lfunc_begin1 # DW_AT_high_pc +.Ldebug_info_f: + .byte 5 # Abbrev [5] 0x5f:0x40 DW_TAG_subprogram + .long .Linfo_string3 # DW_AT_name + .byte 1 # DW_AT_decl_file + .byte 4 # DW_AT_decl_line + # DW_AT_prototyped + # DW_AT_external + .byte 1 # DW_AT_inline +.Ldebug_info_param1: + .byte 6 # Abbrev [6] 0x67:0xb DW_TAG_formal_parameter + .long .Linfo_string4 # DW_AT_name + .byte 1 # DW_AT_decl_file + .byte 4 # DW_AT_decl_line + .long .Ldebug_info_void_ptr-.Lcu_begin0 + # DW_AT_type +.Ldebug_info_param2: + .byte 6 # Abbrev [6] 0x72:0xb DW_TAG_formal_parameter + .long .Linfo_string5 # DW_AT_name + .byte 1 # DW_AT_decl_file + .byte 4 # DW_AT_decl_line + .long .Ldebug_info_int-.Lcu_begin0 # DW_AT_type +.Ldebug_info_param3: + .byte 6 # Abbrev [6] 0x7d:0xb DW_TAG_formal_parameter + .long .Linfo_string7 # DW_AT_name + .byte 1 # DW_AT_decl_file + .byte 4 # DW_AT_decl_line + .long .Ldebug_info_int-.Lcu_begin0 # DW_AT_type +.Ldebug_info_param4: + .byte 6 # Abbrev [6] 0x88:0xb DW_TAG_formal_parameter + .long .Linfo_string8 # DW_AT_name + .byte 1 # DW_AT_decl_file + .byte 4 # DW_AT_decl_line + .long .Ldebug_info_int-.Lcu_begin0 # DW_AT_type +.Ldebug_info_param5: + .byte 6 # Abbrev [6] 0x93:0xb DW_TAG_formal_parameter + .long .Linfo_string9 # DW_AT_name + .byte 1 # DW_AT_decl_file + .byte 4 # DW_AT_decl_line + .long .Ldebug_info_int-.Lcu_begin0 # DW_AT_type + .byte 0 # End Of Children Mark +.Ldebug_info_void_ptr: + .byte 7 # Abbrev [7] 0x9f:0x1 DW_TAG_pointer_type +.Ldebug_info_int: + .byte 8 # Abbrev [8] 0xa0:0x7 DW_TAG_base_type + .long .Linfo_string6 # DW_AT_name + .byte 5 # DW_AT_encoding + .byte 4 # DW_AT_byte_size + .byte 9 # Abbrev [9] 0xa7:0x6e DW_TAG_subprogram + .quad .Lfunc_begin1 # DW_AT_low_pc + .long .Lfunc_end1-.Lfunc_begin1 # DW_AT_high_pc + .byte 1 # DW_AT_frame_base + .byte 87 + # DW_AT_GNU_all_call_sites + .long .Linfo_string10 # DW_AT_name + .byte 1 # DW_AT_decl_file + .byte 10 # DW_AT_decl_line + # DW_AT_prototyped + .long .Ldebug_info_int-.Lcu_begin0 # DW_AT_type + # DW_AT_external + .byte 10 # Abbrev [10] 0xc0:0xf DW_TAG_formal_parameter + .long .Ldebug_loc_argc # DW_AT_location + .long .Linfo_string11 # DW_AT_name + .byte 1 # DW_AT_decl_file + .byte 10 # DW_AT_decl_line + .long .Ldebug_info_int-.Lcu_begin0 # DW_AT_type + .byte 10 # Abbrev [10] 0xcf:0xf DW_TAG_formal_parameter + .long .Ldebug_loc3 # DW_AT_location + .long .Linfo_string12 # DW_AT_name + .byte 1 # DW_AT_decl_file + .byte 10 # DW_AT_decl_line + .long .Ldebug_info_char_ptr_ptr-.Lcu_begin0 + # DW_AT_type + .byte 11 # Abbrev [11] 0xde:0x36 DW_TAG_inlined_subroutine + .long .Ldebug_info_f-.Lcu_begin0 + # DW_AT_abstract_origin + .quad .Lline5 # DW_AT_low_pc + .long .Lline12-.Lline5 # DW_AT_high_pc + .byte 1 # DW_AT_call_file + .byte 11 # DW_AT_call_line + .byte 3 # DW_AT_call_column + .byte 4 # Abbrev [4] 0xf7:0x9 DW_TAG_formal_parameter + .long .Ldebug_loc5 # DW_AT_location + .long .Ldebug_info_param2-.Lcu_begin0 + # DW_AT_abstract_origin + .byte 4 # Abbrev [4] 0x105:0x9 DW_TAG_formal_parameter + .long .Ldebug_loc4 # DW_AT_location + .long .Ldebug_info_param4-.Lcu_begin0 + # DW_AT_abstract_origin + .byte 0 # End Of Children Mark + .byte 0 # End Of Children Mark +.Ldebug_info_char_ptr_ptr: + .byte 12 # Abbrev [12] 0x115:0x5 DW_TAG_pointer_type + .long .Ldebug_info_char_ptr-.Lcu_begin0 + # DW_AT_type +.Ldebug_info_char_ptr: + .byte 12 # Abbrev [12] 0x11a:0x5 DW_TAG_pointer_type + .long .Ldebug_info_char-.Lcu_begin0 # DW_AT_type +.Ldebug_info_char: + .byte 8 # Abbrev [8] 0x11f:0x7 DW_TAG_base_type + .long .Linfo_string13 # DW_AT_name + .byte 6 # DW_AT_encoding + .byte 1 # DW_AT_byte_size + .byte 0 # End Of Children Mark +.Ldebug_info_end0: + .section .debug_str,"MS",@progbits,1 +.Linfo_string1: + .asciz "unused-inlined-params.c" # string offset=30 +.Linfo_string2: + .asciz "/usr/local/google/home/jarin/projects/emsample/ccpp" # string offset=54 +.Linfo_string3: + .asciz "f" # string offset=106 +.Linfo_string4: + .asciz "unused1" # string offset=108 +.Linfo_string5: + .asciz "used" # string offset=116 +.Linfo_string6: + .asciz "int" # string offset=121 +.Linfo_string7: + .asciz "unused2" # string offset=125 +.Linfo_string8: + .asciz "partial" # string offset=133 +.Linfo_string9: + .asciz "unused3" # string offset=141 +.Linfo_string10: + .asciz "main" # string offset=149 +.Linfo_string11: + .asciz "argc" # string offset=154 +.Linfo_string12: + .asciz "argv" # string offset=159 +.Linfo_string13: + .asciz "char" # string offset=164 + .section ".note.GNU-stack","",@progbits + .addrsig + .section .debug_line,"",@progbits +.Lline_table_start0: Index: lldb/test/Shell/SymbolFile/DWARF/x86/unused-inlined-params.test =================================================================== --- /dev/null +++ lldb/test/Shell/SymbolFile/DWARF/x86/unused-inlined-params.test @@ -0,0 +1,34 @@ +# UNSUPPORTED: system-darwin, system-windows + +# REQUIRES: lld + +# RUN: llvm-mc -filetype=obj %S/Inputs/unused-inlined-params.s \ +# RUN: -triple x86_64-pc-linux -o %t.o +# RUN: ld.lld %t.o -o %t +# RUN: %lldb %t -s %s -o exit | FileCheck %s + +breakpoint set -n f +process launch + +# CHECK: Process {{.*}} stopped + +# Let us check that unused parameters (of an inlined function) are listed. +frame variable +# CHECK-LABEL: frame variable +# CHECK: (void *) unused1 = < +# CHECK: (int) used = 42 +# CHECK: (int) unused2 = < +# CHECK: (int) partial = 1 +# CHECK: (int) unused3 = < + +# Step out of the live range of the 'partial' parameter. +next +next +# Check the variable contents. +frame variable +# CHECK-LABEL: frame variable +# CHECK: (void *) unused1 = < +# CHECK: (int) used = 43 +# CHECK: (int) unused2 = < +# CHECK: (int) partial = < +# CHECK: (int) unused3 = <