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53 Commits

Author SHA1 Message Date
Evgeniy Stepanov
2e815e7cf4 [msan] Transform memcpy and memset to library calls. 
This was already done for memmove, where it is required for correctness.
This change improves performance by avoiding copyingthe same memory twice.
Also, the library functions are given __msan_ prefix to prevent instcombine
pass from converting them back to intrinsics.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168876 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-29 12:49:04 +00:00
Evgeniy Stepanov
f62b4e3ee3 [msan] Make sure that report callbacks do not get merged. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168873 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-29 12:30:18 +00:00
Evgeniy Stepanov
aa4f97d6ed Initial commit of MemorySanitizer. 
Compiler pass only.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168866 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-29 09:57:20 +00:00