Index: llvm/CMakeLists.txt =================================================================== --- llvm/CMakeLists.txt +++ llvm/CMakeLists.txt @@ -648,6 +648,9 @@ set(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR OFF CACHE BOOL "Enable per-target runtimes directory") +set(LLVM_PROFDATA_FILE "" CACHE FILEPATH + "Profiling data file to use when compiling in order to improve runtime performance.") + # All options referred to from HandleLLVMOptions have to be specified # BEFORE this include, otherwise options will not be correctly set on # first cmake run @@ -890,17 +893,6 @@ # use export_executable_symbols(target). set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "") -set(LLVM_PROFDATA_FILE "" CACHE FILEPATH - "Profiling data file to use when compiling in order to improve runtime performance.") - -if(LLVM_PROFDATA_FILE AND EXISTS ${LLVM_PROFDATA_FILE}) - if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" ) - add_definitions("-fprofile-instr-use=${LLVM_PROFDATA_FILE}") - else() - message(FATAL_ERROR "LLVM_PROFDATA_FILE can only be specified when compiling with clang") - endif() -endif() - include(AddLLVM) include(TableGen) Index: llvm/cmake/modules/HandleLLVMOptions.cmake =================================================================== --- llvm/cmake/modules/HandleLLVMOptions.cmake +++ llvm/cmake/modules/HandleLLVMOptions.cmake @@ -843,20 +843,30 @@ CMAKE_EXE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS) else() - append("-fprofile-instr-generate='${LLVM_PROFILE_FILE_PATTERN}'" + append("-fprofile-instr-generate=\"${LLVM_PROFILE_FILE_PATTERN}\"" CMAKE_CXX_FLAGS - CMAKE_C_FLAGS - CMAKE_EXE_LINKER_FLAGS - CMAKE_SHARED_LINKER_FLAGS) + CMAKE_C_FLAGS) + if(NOT LINKER_IS_LLD_LINK) + append("-fprofile-instr-generate=\"${LLVM_PROFILE_FILE_PATTERN}\"" + CMAKE_EXE_LINKER_FLAGS + CMAKE_SHARED_LINKER_FLAGS) + endif() endif() endif() -# Need to pass -fprofile-instr-use to linker for context-sensitive PGO -# compilation. if(LLVM_PROFDATA_FILE AND EXISTS ${LLVM_PROFDATA_FILE}) - append("-fprofile-instr-use='${LLVM_PROFDATA_FILE}'" - CMAKE_EXE_LINKER_FLAGS - CMAKE_SHARED_LINKER_FLAGS) + if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" ) + append("-fprofile-instr-use=\"${LLVM_PROFDATA_FILE}\"" + CMAKE_CXX_FLAGS + CMAKE_C_FLAGS) + if(NOT LINKER_IS_LLD_LINK) + append("-fprofile-instr-use=\"${LLVM_PROFDATA_FILE}\"" + CMAKE_EXE_LINKER_FLAGS + CMAKE_SHARED_LINKER_FLAGS) + endif() + else() + message(FATAL_ERROR "LLVM_PROFDATA_FILE can only be specified when compiling with clang") + endif() endif() option(LLVM_BUILD_INSTRUMENTED_COVERAGE "Build LLVM and tools with Code Coverage instrumentation" Off)