d7a29a8e33
I've tried to introduce that in the PR #198863, but sadly, the buildbots could not cope with this, so I decided to introduce it separately. This patch also fixes the relevant places in the docs.
38 lines
1.3 KiB
CMake
38 lines
1.3 KiB
CMake
# Two-stage build of Flang with the 2nd stage optimized using PGO
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set(CMAKE_BUILD_TYPE "Release" CACHE STRING "")
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set(CLANG_ENABLE_BOOTSTRAP ON CACHE BOOL "")
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set(LLVM_ENABLE_PROJECTS "clang;flang;lld" CACHE STRING "")
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set(LLVM_ENABLE_RUNTIMES "compiler-rt;flang-rt;libunwind;openmp" CACHE STRING "")
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set(LLVM_TARGETS_TO_BUILD Native CACHE STRING "")
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set(BOOTSTRAP_LLVM_BUILD_INSTRUMENTED IR CACHE BOOL "")
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set(CLANG_BOOTSTRAP_TARGETS
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generate-flang-profdata
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stage2
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stage2-distribution
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stage2-install-distribution
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stage2-install-distribution-toolchain
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stage2-check-all
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stage2-check-llvm
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stage2-check-clang
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stage2-check-flang
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stage2-test-suite CACHE STRING "")
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set(FLANG_PGO_TRAINING_CLANG_COUPLING ON CACHE BOOL "")
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set(PGO_OPT_PROFDATA "${CMAKE_BINARY_DIR}/flang.profdata" CACHE STRING "")
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set(PGO_OPT_PROFDATA_PROVIDER generate-flang-profdata CACHE STRING "")
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if(PGO_INSTRUMENT_LTO)
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set(BOOTSTRAP_LLVM_ENABLE_LTO ${PGO_INSTRUMENT_LTO} CACHE BOOL "")
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set(BOOTSTRAP_BOOTSTRAP_LLVM_ENABLE_LTO ${PGO_INSTRUMENT_LTO} CACHE BOOL "")
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endif()
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if(PGO_BUILD_CONFIGURATION)
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set(EXTRA_ARGS -DPGO_BUILD_CONFIGURATION=${PGO_BUILD_CONFIGURATION})
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endif()
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set(CLANG_BOOTSTRAP_CMAKE_ARGS
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${EXTRA_ARGS}
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-C ${CMAKE_CURRENT_LIST_DIR}/PGO-stage2-instrumented.cmake
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CACHE STRING "")
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