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CMAKE: apply -O3 for mingw clang

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Differential Revision: https://reviews.llvm.org/D41596

llvm-svn: 324570
This commit is contained in:
Martell Malone 2018-02-08 07:13:17 +00:00
parent 74d6a8f83e
commit ab78cec62e
1 changed files with 1 additions and 1 deletions
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2
CMakeLists.txt
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@ -834,7 +834,7 @@ endif()
include(AddLLVM)
include(TableGen)
if( MINGW )
if( MINGW AND NOT "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" )
# People report that -O3 is unreliable on MinGW. The traditional
# build also uses -O2 for that reason:
llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2")