diff options
Diffstat (limited to 'llvm/cmake')
| -rw-r--r-- | llvm/cmake/modules/HandleLLVMOptions.cmake | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/llvm/cmake/modules/HandleLLVMOptions.cmake b/llvm/cmake/modules/HandleLLVMOptions.cmake index 8eca29f..d4195db6 100644 --- a/llvm/cmake/modules/HandleLLVMOptions.cmake +++ b/llvm/cmake/modules/HandleLLVMOptions.cmake @@ -1184,7 +1184,7 @@ if(LLVM_ENABLE_EH AND NOT LLVM_ENABLE_RTTI) message(FATAL_ERROR "Exception handling requires RTTI. You must set LLVM_ENABLE_RTTI to ON") endif() -set(LLVM_BUILD_INSTRUMENTED OFF CACHE STRING "Build LLVM and tools with PGO instrumentation. May be specified as IR or Frontend") +set(LLVM_BUILD_INSTRUMENTED OFF CACHE STRING "Build LLVM and tools with PGO instrumentation. May be specified as IR, Frontend, CSIR, CSSPGO") set(LLVM_VP_COUNTERS_PER_SITE "1.5" CACHE STRING "Value profile counters to use per site for IR PGO with Clang") mark_as_advanced(LLVM_BUILD_INSTRUMENTED LLVM_VP_COUNTERS_PER_SITE) string(TOUPPER "${LLVM_BUILD_INSTRUMENTED}" uppercase_LLVM_BUILD_INSTRUMENTED) @@ -1217,6 +1217,19 @@ if (LLVM_BUILD_INSTRUMENTED) CMAKE_EXE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS) endif() + elseif(uppercase_LLVM_BUILD_INSTRUMENTED STREQUAL "CSSPGO") + if (CMAKE_CXX_COMPILER_ID MATCHES "Clang") + append("-fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -fno-optimize-sibling-calls -fpseudo-probe-for-profiling -fdebug-info-for-profiling" + CMAKE_CXX_FLAGS + CMAKE_C_FLAGS) + if(NOT LINKER_IS_LLD_LINK) + append("-fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -fno-optimize-sibling-calls -fpseudo-probe-for-profiling -fdebug-info-for-profiling" + CMAKE_EXE_LINKER_FLAGS + CMAKE_SHARED_LINKER_FLAGS) + endif() + else() + message(FATAL_ERROR "LLVM_BUILD_INSTRUMENTED=CSSPGO can only be specified when compiling with clang") + endif() else() append("-fprofile-instr-generate=\"${LLVM_PROFILE_FILE_PATTERN}\"" CMAKE_CXX_FLAGS @@ -1269,6 +1282,21 @@ elseif(LLVM_PROFDATA_FILE) message(WARNING "LLVM_PROFDATA_FILE specified, but ${LLVM_PROFDATA_FILE} not found") endif() +if(LLVM_SPROFDATA_FILE AND EXISTS ${LLVM_SPROFDATA_FILE}) + if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" ) + append("-fpseudo-probe-for-profiling -fprofile-sample-use=\"${LLVM_SPROFDATA_FILE}\"" + CMAKE_CXX_FLAGS + CMAKE_C_FLAGS) + if(NOT LINKER_IS_LLD_LINK) + append("-fpseudo-probe-for-profiling -fprofile-sample-use=\"${LLVM_SPROFDATA_FILE}\"" + CMAKE_EXE_LINKER_FLAGS + CMAKE_SHARED_LINKER_FLAGS) + endif() + else() + message(FATAL_ERROR "LLVM_SPROFDATA_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) option(LLVM_INDIVIDUAL_TEST_COVERAGE "Emit individual coverage file for each test case." OFF) mark_as_advanced(LLVM_BUILD_INSTRUMENTED_COVERAGE) |