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[cmake] Start adding support for LLVM_USE_SANITIZER=Address on Windows

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Pass "-fsanitize=address" to the compiler and "-debug" to the linker.

llvm-svn: 245070
This commit is contained in:
Reid Kleckner 2015-08-14 16:48:34 +00:00
parent 575463d985
commit d2823e636e
1 changed files with 31 additions and 10 deletions
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41
cmake/modules/HandleLLVMOptions.cmake
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@ -445,16 +445,30 @@ elseif( LLVM_COMPILER_IS_GCC_COMPATIBLE )
endif( MSVC ) endif( MSVC )
macro(append_common_sanitizer_flags) macro(append_common_sanitizer_flags)
# Append -fno-omit-frame-pointer and turn on debug info to get better if (NOT MSVC)
# stack traces. # Append -fno-omit-frame-pointer and turn on debug info to get better
add_flag_if_supported("-fno-omit-frame-pointer" FNO_OMIT_FRAME_POINTER) # stack traces.
if (NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG" AND add_flag_if_supported("-fno-omit-frame-pointer" FNO_OMIT_FRAME_POINTER)
NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "RELWITHDEBINFO") if (NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG" AND
add_flag_if_supported("-gline-tables-only" GLINE_TABLES_ONLY) NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "RELWITHDEBINFO")
endif() add_flag_if_supported("-gline-tables-only" GLINE_TABLES_ONLY)
# Use -O1 even in debug mode, otherwise sanitizers slowdown is too large. endif()
if (uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG") # Use -O1 even in debug mode, otherwise sanitizers slowdown is too large.
add_flag_if_supported("-O1" O1) if (uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG")
add_flag_if_supported("-O1" O1)
endif()
elseif (CLANG_CL)
# Keep frame pointers around.
append("/Oy-" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
if (CMAKE_LINKER MATCHES "lld-link.exe")
# Use DWARF debug info with LLD.
append("-gdwarf" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
else()
# Enable codeview otherwise.
append("/Z7" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
endif()
# Always ask the linker to produce symbols with asan.
append("-debug" CMAKE_EXE_LINKER_FLAGS CMAKE_MODULE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS)
endif() endif()
endmacro() endmacro()
@ -485,6 +499,13 @@ if(LLVM_USE_SANITIZER)
else() else()
message(WARNING "Unsupported value of LLVM_USE_SANITIZER: ${LLVM_USE_SANITIZER}") message(WARNING "Unsupported value of LLVM_USE_SANITIZER: ${LLVM_USE_SANITIZER}")
endif() endif()
elseif(MSVC)
if (LLVM_USE_SANITIZER STREQUAL "Address")
append_common_sanitizer_flags()
append("-fsanitize=address" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
else()
message(WARNING "This sanitizer not yet supported in the MSVC environment: ${LLVM_USE_SANITIZER}")
endif()
else() else()
message(WARNING "LLVM_USE_SANITIZER is not supported on this platform.") message(WARNING "LLVM_USE_SANITIZER is not supported on this platform.")
endif() endif()