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(parent: 0738387) | patch
[msan] Use zero-extension in shadow cast by default.
authorEvgeniy Stepanov <eugeni.stepanov@gmail.com>
Thu, 17 Oct 2013 10:53:50 +0000 (10:53 +0000)
committerEvgeniy Stepanov <eugeni.stepanov@gmail.com>
Thu, 17 Oct 2013 10:53:50 +0000 (10:53 +0000)
commitf5e3811607dd54fded0bb6b6ab97345446e086b9
tree3bb1fc9ae88116a19128ffaf6bed9146de3c6d64tree | snapshot
parent0738387d089d56d0be3a25d5a02bc6609a88bebfcommit | diff
[msan] Use zero-extension in shadow cast by default.

Switch to sign-extension in r192575 caused 7% perf loss on 482.sphinx3.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192882 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Transforms/Instrumentation/MemorySanitizer.cpp diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors