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| author | David Majnemer <david.majnemer@gmail.com> | 2014-08-27 18:03:46 +0000 |
|---|---|---|
| committer | David Majnemer <david.majnemer@gmail.com> | 2014-08-27 18:03:46 +0000 |
| commit | d6d1671c1eb241939b6d92687420a3f7ed56839f (patch) | |
| tree | 1691a7a66bc0b9372d3bb4ccb4919a3a9ab45760 /clang/unittests/Basic/SourceManagerTest.cpp | |
| parent | 74a46c24f3be4a8a758d9c9d3d838b8851cb010d (diff) | |
| download | llvm-d6d1671c1eb241939b6d92687420a3f7ed56839f.zip llvm-d6d1671c1eb241939b6d92687420a3f7ed56839f.tar.gz llvm-d6d1671c1eb241939b6d92687420a3f7ed56839f.tar.bz2 | |
InstSimplify: Compute comparison ranges for left shift instructions
'shl nuw CI, x' produces [CI, CI << CLZ(CI)]
'shl nsw CI, x' produces [CI << CLO(CI)-1, CI] if CI is negative
'shl nsw CI, x' produces [CI, CI << CLZ(CI)-1] if CI is non-negative
llvm-svn: 216570
Diffstat (limited to 'clang/unittests/Basic/SourceManagerTest.cpp')
0 files changed, 0 insertions, 0 deletions