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[libcxx] Add support for LLVM_USE_SANITIZER=Undefined

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LLVM_USE_SANITIZER=Undefined support was added to the LLVM CMake configuration.
Update libc++'s handling of LLVM_USE_SANITIZER to support this as well.


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@219987 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Fiselier 2014-10-16 23:21:59 +00:00
parent 798b2ac28f
commit 66d529f0ad
2 changed files with 8 additions and 0 deletions
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3
CMakeLists.txt
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@ -304,6 +304,9 @@ if (LIBCXX_BUILT_STANDALONE)
if (LLVM_USE_SANITIZER STREQUAL "MemoryWithOrigins")
list(APPEND LIBCXX_CXX_FEATURE_FLAGS "-fsanitize-memory-track-origins")
endif()
elseif (LLVM_USE_SANITIZER STREQUAL "Undefined")
list(APPEND LIBCXX_CXX_FEATURE_FLAGS
"-fsanitize=undefined -fno-sanitize=vptr,function -fno-sanitize-recover")
else()
message(WARNING "Unsupported value of LLVM_USE_SANITIZER: ${LLVM_USE_SANITIZER}")
endif()

5
test/lit.cfg
View File

@ -434,6 +434,11 @@ class Configuration(object):
if san == 'MemoryWithOrigins':
self.compile_flags += ['-fsanitize-memory-track-origins']
self.config.available_features.add('msan')
elif san == 'Undefined':
self.compile_flags += ['-fsanitize=undefined',
'-fno-sanitize=vptr,function',
'-fno-sanitize-recover']
self.config.available_features.add('ubsan')
else:
self.lit_config.fatal('unsupported value for '
'libcxx_use_san: {0}'.format(san))