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Unconditionally include msan_interface.h when building with MSan.

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Any version of Clang that does not provide this header is way too old to
bootstrap with MSan.

llvm-svn: 201776
This commit is contained in:
Evgeniy Stepanov 2014-02-20 11:37:03 +00:00
parent 42b55aa80c
commit 3dbe688704
3 changed files with 3 additions and 11 deletions
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1
cmake/config-ix.cmake
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@ -51,7 +51,6 @@ check_include_file(ndir.h HAVE_NDIR_H)
if( NOT PURE_WINDOWS )
check_include_file(pthread.h HAVE_PTHREAD_H)
endif()
check_include_file(sanitizer/msan_interface.h HAVE_SANITIZER_MSAN_INTERFACE_H)
check_include_file(signal.h HAVE_SIGNAL_H)
check_include_file(stdint.h HAVE_STDINT_H)
check_include_file(sys/dir.h HAVE_SYS_DIR_H)

3
include/llvm/Config/llvm-config.h.cmake
View File

@ -121,7 +121,4 @@
/* Minor version of the LLVM API */
#cmakedefine LLVM_VERSION_MINOR ${LLVM_VERSION_MINOR}
/* Define to 1 if you have the <sanitizer/msan_interface.h> header file. */
#cmakedefine HAVE_SANITIZER_MSAN_INTERFACE_H ${HAVE_SANITIZER_MSAN_INTERFACE_H}
#endif

10
include/llvm/Support/Compiler.h
View File

@ -349,19 +349,15 @@
# define LLVM_FUNCTION_NAME __func__
#endif
#if defined(HAVE_SANITIZER_MSAN_INTERFACE_H)
# include <sanitizer/msan_interface.h>
#else
# define __msan_allocated_memory(p, size)
# define __msan_unpoison(p, size)
#endif
/// \macro LLVM_MEMORY_SANITIZER_BUILD
/// \brief Whether LLVM itself is built with MemorySanitizer instrumentation.
#if __has_feature(memory_sanitizer)
# define LLVM_MEMORY_SANITIZER_BUILD 1
# include <sanitizer/msan_interface.h>
#else
# define LLVM_MEMORY_SANITIZER_BUILD 0
# define __msan_allocated_memory(p, size)
# define __msan_unpoison(p, size)
#endif
/// \macro LLVM_ADDRESS_SANITIZER_BUILD