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3 Commits

Author SHA1 Message Date
Alexey Samsonov d06aa3dc00 [MSan] Remove explicit -m64 from RUN lines. 
Target-specific flags should usually be configured by CMake/lit.

llvm-svn: 230999
 2015-03-02 19:34:27 +00:00
Evgeniy Stepanov a6b279546d [msan] Relax CHECK conditions in 2 tests. 
Sometimes malloc/realloc/etc are symbolized as
__interceptor_malloc/realloc/etc.

llvm-svn: 226803
 2015-01-22 09:27:00 +00:00
Evgeniy Stepanov 844f5828e9 [msan] Fix origins in realloc. 
Fixes 2 issues in origins arising from realloc() calls:
 * In the in-place grow case origin for the new memory is not set at all.
 * In the copy-realloc case __msan_memcpy is used, which unwinds stack from
   inside the MSan runtime. This does not generally work (as we may be built
   w/o frame pointers), and produces "bad" stack trace anyway, with several
   uninteresting (internal) frames on top.

This change also makes realloc() honor "zeroise" and "poison_in_malloc" flags.

See https://code.google.com/p/memory-sanitizer/issues/detail?id=73.

llvm-svn: 226674
 2015-01-21 16:48:29 +00:00