From b775f2f39c428d6a8a06e81c51b0b7cf51330f50 Mon Sep 17 00:00:00 2001 From: Alexey Samsonov Date: Mon, 2 Sep 2013 09:15:01 +0000 Subject: [CMake] Add -O1 in debug builds with LLVM_USE_SANITIZER git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189747 91177308-0d34-0410-b5e6-96231b3b80d8 --- cmake/modules/HandleLLVMOptions.cmake | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'cmake') diff --git a/cmake/modules/HandleLLVMOptions.cmake b/cmake/modules/HandleLLVMOptions.cmake index b49d649..4d56438 100644 --- a/cmake/modules/HandleLLVMOptions.cmake +++ b/cmake/modules/HandleLLVMOptions.cmake @@ -240,6 +240,10 @@ macro(append_common_sanitizer_flags) NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "RELWITHDEBINFO") add_flag_if_supported("-gline-tables-only") endif() + # Use -O1 even in debug mode, otherwise sanitizers slowdown is too large. + if (uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG") + add_flag_if_supported("-O1") + endif() endmacro() # Turn on sanitizers if necessary. -- cgit v1.1