36 lines
1.2 KiB
CMake
36 lines
1.2 KiB
CMake
if(LLVM_BUILD_INSTRUMENTED)
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if (CMAKE_CFG_INTDIR STREQUAL ".")
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set(LLVM_BUILD_MODE ".")
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else ()
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set(LLVM_BUILD_MODE "%(build_mode)s")
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endif ()
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string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} CLANG_TOOLS_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR})
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configure_lit_site_cfg(
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${CMAKE_CURRENT_SOURCE_DIR}/lit.site.cfg.in
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${CMAKE_CURRENT_BINARY_DIR}/lit.site.cfg
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)
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add_lit_testsuite(generate-profraw "Generating clang PGO data"
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${CMAKE_CURRENT_BINARY_DIR}
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DEPENDS clang clear-profraw
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)
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add_custom_target(clear-profraw
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COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/perf-helper.py clean ${CMAKE_CURRENT_BINARY_DIR}
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COMMENT "Clearing old profraw data")
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if(NOT LLVM_PROFDATA)
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find_program(LLVM_PROFDATA llvm-profdata)
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endif()
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if(NOT LLVM_PROFDATA)
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message(FATAL_ERROR "Must set LLVM_PROFDATA to point to llvm-profdata to use for merging PGO data")
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endif()
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add_custom_target(generate-profdata
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COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/perf-helper.py merge ${LLVM_PROFDATA} ${CMAKE_CURRENT_BINARY_DIR}/clang.profdata ${CMAKE_CURRENT_BINARY_DIR}
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COMMENT "Merging profdata"
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DEPENDS generate-profraw)
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endif()
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