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| author | Evan Cheng <evan.cheng@apple.com> | 2007-09-18 21:54:37 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2007-09-18 21:54:37 +0000 |
| commit | 8d68c2b521af0070408257c4ef586ee1679f498d (patch) | |
| tree | 553c59a9339a081ce668853714137f31a6be63fb /lib | |
| parent | c5b4c21f9c8010f469acf572e078bddbd7b19c80 (diff) | |
| download | external_llvm-8d68c2b521af0070408257c4ef586ee1679f498d.zip external_llvm-8d68c2b521af0070408257c4ef586ee1679f498d.tar.gz external_llvm-8d68c2b521af0070408257c4ef586ee1679f498d.tar.bz2 | |
Fix a bogus splat xform:
shuffle <undef, undef, x, undef>, <undef, undef, undef, undef>, <2, 2, 2, 2>
!=
<undef, undef, x, undef>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42111 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 7715155..7d697f1 100644 --- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -4093,8 +4093,7 @@ SDOperand DAGCombiner::visitVECTOR_SHUFFLE(SDNode *N) { if (!Base.Val) return N0; for (unsigned i = 0; i != NumElems; ++i) { - if (V->getOperand(i).getOpcode() != ISD::UNDEF && - V->getOperand(i) != Base) { + if (V->getOperand(i) != Base) { AllSame = false; break; } |