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| author | Chris Bieneman <chris.bieneman@me.com> | 2018-05-17 16:55:29 +0000 |
|---|---|---|
| committer | Chris Bieneman <chris.bieneman@me.com> | 2018-05-17 16:55:29 +0000 |
| commit | c2e8e20f9776cb874b19a2d0000955586f9752af (patch) | |
| tree | 263375148743f71bb8ac3d07acbe087c9217ce50 /llvm | |
| parent | d8d940a872e13f962c33ad9516d676be98202425 (diff) | |
| download | bcm5719-llvm-c2e8e20f9776cb874b19a2d0000955586f9752af.tar.gz bcm5719-llvm-c2e8e20f9776cb874b19a2d0000955586f9752af.zip | |
[CMake] Make optimizing sanitizer builds optional
This behavior has been the default for a long time, so the default value is On, however this can make it difficult to debug sanitizer failures, so we should have an option to turn it off.
llvm-svn: 332628
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/CMakeLists.txt | 1 | ||||
| -rw-r--r-- | llvm/cmake/modules/HandleLLVMOptions.cmake | 2 |
2 files changed, 2 insertions, 1 deletions
diff --git a/llvm/CMakeLists.txt b/llvm/CMakeLists.txt index 90eb65d5214..8a7ae1e25f2 100644 --- a/llvm/CMakeLists.txt +++ b/llvm/CMakeLists.txt @@ -438,6 +438,7 @@ endif( LLVM_USE_OPROFILE ) set(LLVM_USE_SANITIZER "" CACHE STRING "Define the sanitizer used to build binaries and tests.") +option(LLVM_OPTIMIZE_SANITIZED_BUILDS "Pass -O1 on debug sanitizer builds" ON) set(LLVM_LIB_FUZZING_ENGINE "" CACHE PATH "Path to fuzzing library for linking with fuzz targets") diff --git a/llvm/cmake/modules/HandleLLVMOptions.cmake b/llvm/cmake/modules/HandleLLVMOptions.cmake index 66ccebddbdc..7687a4663e4 100644 --- a/llvm/cmake/modules/HandleLLVMOptions.cmake +++ b/llvm/cmake/modules/HandleLLVMOptions.cmake @@ -639,7 +639,7 @@ macro(append_common_sanitizer_flags) add_flag_if_supported("-gline-tables-only" GLINE_TABLES_ONLY) endif() # Use -O1 even in debug mode, otherwise sanitizers slowdown is too large. - if (uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG") + if (uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG" AND LLVM_OPTIMIZE_SANITIZED_BUILDS) add_flag_if_supported("-O1" O1) endif() elseif (CLANG_CL) |
