summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--llvm/CMakeLists.txt1
-rw-r--r--llvm/cmake/modules/HandleLLVMOptions.cmake2
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)
OpenPOWER on IntegriCloud