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(parent: 34aab2d) | patch
[msan] Avoid extra origin address realignment.
authorEvgeniy Stepanov <eugeni.stepanov@gmail.com>
Fri, 5 Dec 2014 14:34:03 +0000 (14:34 +0000)
committerEvgeniy Stepanov <eugeni.stepanov@gmail.com>
Fri, 5 Dec 2014 14:34:03 +0000 (14:34 +0000)
commitd85ddee01d93a1b7d76590ef0e825cb7fee22aa5
tree9f2e06111c3e4954a65de01de173ecb63135a6bdtree | snapshot
parent34aab2db9f8c5d9af3896172869a43b8bb82fb31commit | diff
[msan] Avoid extra origin address realignment.

Do not realign origin address if the corresponding application
address is at least 4-byte-aligned.

Saves 2.5% code size in track-origins mode.

llvm-svn: 223464
llvm/lib/Transforms/Instrumentation/MemorySanitizer.cpp diff | blob | history
llvm/test/Instrumentation/MemorySanitizer/origin-alignment.ll [new file with mode: 0644] blob
Domain: System / Toolchain;