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| author | Mon P Wang <wangmp@apple.com> | 2010-01-23 04:35:57 +0000 |
|---|---|---|
| committer | Mon P Wang <wangmp@apple.com> | 2010-01-23 04:35:57 +0000 |
| commit | e4a0a151a5164c3dfc7bc4d6a92d57e934a88213 (patch) | |
| tree | c9bbb3ae7412ddaa4484006388897671d4689c63 /lib | |
| parent | b2dc8f3b007a80c4b20c6c5189abf1a974c1de5e (diff) | |
| download | llvm-e4a0a151a5164c3dfc7bc4d6a92d57e934a88213.tar.gz llvm-e4a0a151a5164c3dfc7bc4d6a92d57e934a88213.tar.bz2 llvm-e4a0a151a5164c3dfc7bc4d6a92d57e934a88213.tar.xz | |
InstCombine should not fold sext/zext of a vector and a bitcast to a scalar to a sext/zext
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94280 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/VMCore/Instructions.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/VMCore/Instructions.cpp b/lib/VMCore/Instructions.cpp index 8ff36cb6fb..e72e48cb1a 100644 --- a/lib/VMCore/Instructions.cpp +++ b/lib/VMCore/Instructions.cpp @@ -2079,8 +2079,9 @@ unsigned CastInst::isEliminableCastPair( return secondOp; case 3: // no-op cast in second op implies firstOp as long as the DestTy - // is integer - if (DstTy->isInteger()) + // is integer and we are not converting between a vector and a + // non vector type + if (SrcTy->getTypeID() != Type::VectorTyID && DstTy->isInteger()) return firstOp; return 0; case 4: |