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CMAKE: apply -O3 for mingw-w64 clang
ClosedPublic

Authored by martell on Dec 27 2017, 6:13 AM.

Reviewers

rnk
mstorsjo

Commits

Summary

clang is not gcc :)

lgtm

This revision is now accepted and ready to land.Dec 27 2017, 9:14 AM

This revision was automatically updated to reflect the committed changes.

Path

Size

llvm/

trunk/

2 lines

Show First 20 Lines • Show All 828 Lines • ▼ Show 20 Lines	if(LLVM_PROFDATA_FILE AND EXISTS ${LLVM_PROFDATA_FILE})
else()		else()
message(FATAL_ERROR "LLVM_PROFDATA_FILE can only be specified when compiling with clang")		message(FATAL_ERROR "LLVM_PROFDATA_FILE can only be specified when compiling with clang")
endif()		endif()
endif()		endif()

include(AddLLVM)		include(AddLLVM)
include(TableGen)		include(TableGen)

if( MINGW )		if( MINGW AND NOT "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" )
# People report that -O3 is unreliable on MinGW. The traditional		# People report that -O3 is unreliable on MinGW. The traditional
# build also uses -O2 for that reason:		# build also uses -O2 for that reason:
llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2")		llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2")
endif()		endif()

# Put this before tblgen. Else we have a circular dependence.		# Put this before tblgen. Else we have a circular dependence.
add_subdirectory(lib/Demangle)		add_subdirectory(lib/Demangle)
add_subdirectory(lib/Support)		add_subdirectory(lib/Support)
▲ Show 20 Lines • Show All 180 Lines • Show Last 20 Lines