diff options
| 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 | e0480d2ec271bb0043f18feaf4131f6b6cf50757 (patch) | |
| tree | 553c59a9339a081ce668853714137f31a6be63fb /lib/CodeGen/SelectionDAG/DAGCombiner.cpp | |
| parent | d84c3ab4a7d03508fbec694751aebaa5669f7a08 (diff) | |
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/CodeGen/SelectionDAG/DAGCombiner.cpp')
| -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 771515539a..7d697f1102 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; } |