Setting the /bigobj option globally for Windows debug build. https://bugs.llvm.org/show_bug.cgi?id=46733

[zahiraam]

Summary

Change-Id: Ie69e3b62ac4e7bd266ed48a76f4cbe9ec8a899d1

[antiagainst]

LGTM for SPIR-V side.

[Meinersbur]

Hasn't this already been done in 80bd6ae13ea23d453a1f45d6ccdbfc7d0c877bb0?

clang/lib/ASTMatchers/Dynamic/CMakeLists.txt

 set(LLVM_LINK_COMPONENTS
   FrontendOpenMP
   Support
 )
 
-# The registry source file ends up generating a lot of sections for each
-# matcher. Each matcher appears to get a vtable and several methods. Each
-# method needs .text, .pdata, .xdata, and .debug sections, adding to the
-# section multiplier. By default MSVC has a 2^16 limit on the number of
-# sections in an object file, and this needs more than that.
-if (MSVC)
-  set_source_files_properties(Registry.cpp PROPERTIES COMPILE_FLAGS /bigobj)
-endif()
-
 add_clang_library(clangDynamicASTMatchers
   Diagnostics.cpp
   Marshallers.cpp
   Parser.cpp
   Registry.cpp
   VariantValue.cpp
 
   LINK_LIBS
   clangAST
   clangASTMatchers
   clangBasic
 
   DEPENDS
   omp_gen
   )

clang/lib/CodeGen/CMakeLists.txt

 # building codegen. In a standalone build, LLVM is already built and we don't
 # need this dependency. Furthermore, LLVM doesn't export it so we can't have
 # this dependency.
 set(codegen_deps intrinsics_gen)
 if (CLANG_BUILT_STANDALONE)
   set(codegen_deps)
 endif()
 
-if (MSVC)
-  set_source_files_properties(CodeGenModule.cpp PROPERTIES COMPILE_FLAGS /bigobj)
-endif()
-
 add_clang_library(clangCodeGen
   BackendUtil.cpp
   CGAtomic.cpp
   CGBlocks.cpp
   CGBuiltin.cpp
   CGCUDANV.cpp
   CGCUDARuntime.cpp
   CGCXX.cpp

clang/lib/Sema/CMakeLists.txt

 set(LLVM_LINK_COMPONENTS
   FrontendOpenMP
   Support
   )
 
-if (MSVC)
-  set_source_files_properties(SemaDeclAttr.cpp PROPERTIES COMPILE_FLAGS /bigobj)
-  set_source_files_properties(SemaExpr.cpp PROPERTIES COMPILE_FLAGS /bigobj)
-  set_source_files_properties(SemaExprCXX.cpp PROPERTIES COMPILE_FLAGS /bigobj)
-  set_source_files_properties(SemaTemplate.cpp PROPERTIES COMPILE_FLAGS /bigobj)
-  set_source_files_properties(SemaTemplateDeduction.cpp PROPERTIES COMPILE_FLAGS /bigobj)
-  set_source_files_properties(SemaOpenMP.cpp PROPERTIES COMPILE_FLAGS /bigobj)
-endif()
-
 clang_tablegen(OpenCLBuiltins.inc -gen-clang-opencl-builtins
   SOURCE OpenCLBuiltins.td
   TARGET ClangOpenCLBuiltinsImpl
   )
 
 add_clang_library(clangSema
   AnalysisBasedWarnings.cpp
   CodeCompleteConsumer.cpp

clang/unittests/AST/CMakeLists.txt

 set(LLVM_LINK_COMPONENTS
   FrontendOpenMP
   Support
   )
 
-if (MSVC)
-  set_source_files_properties(ASTImporterTest.cpp PROPERTIES COMPILE_FLAGS /bigobj)
-endif()
 
 add_clang_unittest(ASTTests
   ASTContextParentMapTest.cpp
   ASTImporterFixtures.cpp
   ASTImporterTest.cpp
   ASTImporterGenericRedeclTest.cpp
   ASTImporterODRStrategiesTest.cpp
   ASTImporterVisibilityTest.cpp

clang/unittests/ASTMatchers/CMakeLists.txt

 set(LLVM_LINK_COMPONENTS
   FrontendOpenMP
   Support
   )
 
-# By default MSVC has a 2^16 limit on the number of sections in an object file,
-# and this needs more than that.
-if (MSVC)
-  set_source_files_properties(InternalASTMatchersTest.cpp PROPERTIES COMPILE_FLAGS /bigobj)
-  set_source_files_properties(NodeMatchersTest.cpp PROPERTIES COMPILE_FLAGS /bigobj)
-  set_source_files_properties(NarrowingMatchersTest.cpp PROPERTIES COMPILE_FLAGS /bigobj)
-  set_source_files_properties(ASTTraversalMatchersTest.cpp PROPERTIES COMPILE_FLAGS /bigobj)
-endif()
-
 add_clang_unittest(ASTMatchersTests
   ASTMatchersInternalTest.cpp
   ASTMatchersNodeTest.cpp
   ASTMatchersNarrowingTest.cpp
   ASTMatchersTraversalTest.cpp
   GtestMatchersTest.cpp
   )
 

clang/unittests/Tooling/CMakeLists.txt

 set(LLVM_LINK_COMPONENTS
   ${LLVM_TARGETS_TO_BUILD}
   FrontendOpenMP
   Support
   )
 
-# By default MSVC has a 2^16 limit on the number of sections in an object file,
-# and this needs more than that.
-if (MSVC)
-  set_source_files_properties(RecursiveASTVisitorTest.cpp PROPERTIES COMPILE_FLAGS /bigobj)
-  set_source_files_properties(RecursiveASTVisitorTestExprVisitor.cpp PROPERTIES COMPILE_FLAGS /bigobj)
-  set_source_files_properties(RecursiveASTVisitorTests/Callbacks.cpp PROPERTIES COMPILE_FLAGS /bigobj)
-  set_source_files_properties(SourceCodeTest.cpp PROPERTIES COMPILE_FLAGS /bigobj)
-endif()
 
 add_clang_unittest(ToolingTests
   ASTSelectionTest.cpp
   CastExprTest.cpp
   CommentHandlerTest.cpp
   CompilationDatabaseTest.cpp
   DependencyScannerTest.cpp
   DiagnosticsYamlTest.cpp

lldb/source/API/CMakeLists.txt

if(LLDB_ENABLE_PYTHON AND (BUILD_SHARED_LIBS OR LLVM_LINK_LLVM_DYLIB) AND UNIX AND NOT APPLE)
   set_property(TARGET liblldb APPEND PROPERTY INSTALL_RPATH "\$ORIGIN/../../../../lib${LLVM_LIBDIR_SUFFIX}")
 endif()
 
 if(PYTHON_RPATH)
   set_property(TARGET liblldb APPEND PROPERTY INSTALL_RPATH "${PYTHON_RPATH}")
   set_property(TARGET liblldb APPEND PROPERTY BUILD_RPATH   "${PYTHON_RPATH}")
 endif()
 
-if (MSVC)
-  set_source_files_properties(SBReproducer.cpp PROPERTIES COMPILE_FLAGS /bigobj)
-endif()
 
 if(lldb_python_wrapper)
   add_dependencies(liblldb swig_wrapper)
 
   if (MSVC)
     set_property(SOURCE ${lldb_python_wrapper} APPEND_STRING PROPERTY COMPILE_FLAGS " /W0")
   else()
     set_property(SOURCE ${lldb_python_wrapper} APPEND_STRING PROPERTY COMPILE_FLAGS " -w")

llvm/cmake/modules/HandleLLVMOptions.cmake

if (SUPPORTS_BREPRO)
 
       if (${linker_flag_idx} GREATER -1)
         message(WARNING "/Brepro not compatible with /INCREMENTAL linking - builds will be non-deterministic")
       else()
         append("/Brepro" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
       endif()
     endif()
   endif()
+  # By default MSVC has a 2^16 limit on the number of sections in an object file,
+  # but in many objects files need more than that. This flag is to increase the
+  # number of sections.
+  append("/bigobj" CMAKE_CXX_FLAGS)
 endif( MSVC )
 
 # Warnings-as-errors handling for GCC-compatible compilers:
 if ( LLVM_COMPILER_IS_GCC_COMPATIBLE )
   append_if(LLVM_ENABLE_WERROR "-Werror" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
   append_if(LLVM_ENABLE_WERROR "-Wno-error" CMAKE_REQUIRED_FLAGS)
 endif( LLVM_COMPILER_IS_GCC_COMPATIBLE )
 

llvm/lib/Passes/CMakeLists.txt

-if (MSVC)
-  set_source_files_properties(PassBuilder.cpp PROPERTIES COMPILE_FLAGS /bigobj)
-endif()
-
 add_llvm_component_library(LLVMPasses
   PassBuilder.cpp
   PassPlugin.cpp
   StandardInstrumentations.cpp
 
   ADDITIONAL_HEADER_DIRS
   ${LLVM_MAIN_INCLUDE_DIR}/llvm
   ${LLVM_MAIN_INCLUDE_DIR}/llvm/Passes
 
   DEPENDS
   intrinsics_gen
   )

mlir/lib/Dialect/SPIRV/CMakeLists.txt

-if (MSVC)
-  set_source_files_properties(SPIRVDialect.cpp PROPERTIES COMPILE_FLAGS /bigobj)
-endif()
 
 set(LLVM_TARGET_DEFINITIONS SPIRVCanonicalization.td)
 mlir_tablegen(SPIRVCanonicalization.inc -gen-rewriters)
 add_public_tablegen_target(MLIRSPIRVCanonicalizationIncGen)
 
 add_mlir_dialect_library(MLIRSPIRV
   LayoutUtils.cpp
   SPIRVAttributes.cpp