diff options
| -rw-r--r-- | CMakeLists.txt | 42 | ||||
| -rw-r--r-- | cmake/caches/PGO-stage2.cmake | 9 | ||||
| -rw-r--r-- | cmake/caches/PGO-stage3.cmake | 2 | ||||
| -rw-r--r-- | cmake/caches/PGO.cmake | 17 |
4 files changed, 62 insertions, 8 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 2c54e751e9..ad2ac42c40 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -631,11 +631,19 @@ if (CLANG_ENABLE_BOOTSTRAP) string(REGEX MATCH "stage([0-9]*)" MATCHED_STAGE "${CLANG_STAGE}") if(MATCHED_STAGE) - math(EXPR STAGE_NUM "${MATCHED_STAGE} + 1") - set(NEXT_CLANG_STAGE stage${STAGE_NUM}) + if(NOT LLVM_BUILD_INSTRUMENTED) + math(EXPR STAGE_NUM "${CMAKE_MATCH_1} + 1") + set(NEXT_CLANG_STAGE stage${STAGE_NUM}) + else() + set(NEXT_CLANG_STAGE stage${CMAKE_MATCH_1}) + endif() else() set(NEXT_CLANG_STAGE bootstrap) endif() + + if(BOOTSTRAP_LLVM_BUILD_INSTRUMENTED) + set(NEXT_CLANG_STAGE ${NEXT_CLANG_STAGE}-instrumented) + endif() message(STATUS "Setting next clang stage to: ${NEXT_CLANG_STAGE}") @@ -681,6 +689,26 @@ if (CLANG_ENABLE_BOOTSTRAP) set(RUNTIME_DEP compiler-rt) endif() + set(COMPILER_OPTIONS + -DCMAKE_CXX_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang++ + -DCMAKE_C_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang + -DCMAKE_ASM_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang) + + if(BOOTSTRAP_LLVM_BUILD_INSTRUMENTED) + set(PGO_DEP llvm-profdata) + set(PGO_OPT -DLLVM_PROFDATA=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-profdata) + endif() + + if(LLVM_BUILD_INSTRUMENTED) + set(PGO_DEP generate-profdata) + set(PGO_OPT -DLLVM_PROFDATA_FILE=${CMAKE_CURRENT_BINARY_DIR}/utils/perf-training/clang.profdata) + set(COMPILER_OPTIONS + -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER} + -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER} + -DCMAKE_ASM_COMPILER=${CMAKE_ASM_COMPILER}) + set(RUNTIME_DEP) # Don't set runtime dependencies + endif() + # Find all variables that start with BOOTSTRAP_ and populate a variable with # them. get_cmake_property(variableNames VARIABLES) @@ -703,7 +731,7 @@ if (CLANG_ENABLE_BOOTSTRAP) endforeach() ExternalProject_Add(${NEXT_CLANG_STAGE} - DEPENDS clang ${LTO_DEP} ${RUNTIME_DEP} + DEPENDS clang ${LTO_DEP} ${RUNTIME_DEP} ${PGO_DEP} PREFIX ${NEXT_CLANG_STAGE} SOURCE_DIR ${CMAKE_SOURCE_DIR} STAMP_DIR ${STAMP_DIR} @@ -715,11 +743,9 @@ if (CLANG_ENABLE_BOOTSTRAP) -DCMAKE_INSTALL_PREFIX=${CMAKE_INSTALL_PREFIX} ${CLANG_BOOTSTRAP_CMAKE_ARGS} ${PASSTHROUGH_VARIABLES} - -DCMAKE_CXX_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang++ - -DCMAKE_C_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang - -DCMAKE_ASM_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang - -DCLANG_STAGE=${NEXT_CLANG_STAGE} - ${LTO_LIBRARY} ${LTO_AR} ${LTO_RANLIB} ${verbose} + -DCLANG_STAGE=${NEXT_CLANG_STAGE} + ${COMPILER_OPTIONS} + ${LTO_LIBRARY} ${LTO_AR} ${LTO_RANLIB} ${verbose} ${PGO_OPT} INSTALL_COMMAND "" STEP_TARGETS configure build ${cmake_3_4_USES_TERMINAL_OPTIONS} diff --git a/cmake/caches/PGO-stage2.cmake b/cmake/caches/PGO-stage2.cmake new file mode 100644 index 0000000000..332a1e1dd7 --- /dev/null +++ b/cmake/caches/PGO-stage2.cmake @@ -0,0 +1,9 @@ +set(CMAKE_BUILD_TYPE RELEASE CACHE STRING "") +set(CLANG_ENABLE_BOOTSTRAP ON CACHE BOOL "") +set(LLVM_BUILD_EXTERNAL_COMPILER_RT ON CACHE BOOL "") + +set(CLANG_BOOTSTRAP_TARGETS check-all check-llvm check-clang test-suite CACHE STRING "") + +set(CLANG_BOOTSTRAP_CMAKE_ARGS + -C ${CMAKE_CURRENT_LIST_DIR}/PGO-stage3.cmake + CACHE STRING "") diff --git a/cmake/caches/PGO-stage3.cmake b/cmake/caches/PGO-stage3.cmake new file mode 100644 index 0000000000..2080cd405f --- /dev/null +++ b/cmake/caches/PGO-stage3.cmake @@ -0,0 +1,2 @@ +set(CMAKE_BUILD_TYPE RELEASE CACHE STRING "") +set(LLVM_BUILD_EXTERNAL_COMPILER_RT ON CACHE BOOL "") diff --git a/cmake/caches/PGO.cmake b/cmake/caches/PGO.cmake new file mode 100644 index 0000000000..d97eedac79 --- /dev/null +++ b/cmake/caches/PGO.cmake @@ -0,0 +1,17 @@ +set(CMAKE_BUILD_TYPE RELEASE CACHE STRING "") +set(CLANG_ENABLE_BOOTSTRAP ON CACHE BOOL "") +set(LLVM_BUILD_EXTERNAL_COMPILER_RT ON CACHE BOOL "") + +set(LLVM_TARGETS_TO_BUILD X86 CACHE STRING "") +set(BOOTSTRAP_LLVM_BUILD_INSTRUMENTED ON CACHE BOOL "") +set(CLANG_BOOTSTRAP_TARGETS + generate-profdata + stage2 + stage2-check-all + stage2-check-llvm + stage2-check-clang + stage2-test-suite CACHE STRING "") + +set(CLANG_BOOTSTRAP_CMAKE_ARGS + -C ${CMAKE_CURRENT_LIST_DIR}/PGO-stage2.cmake + CACHE STRING "") |