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 | e2e8f2d96bf3692e6294907d071c1b33719dba8b (patch) | |
| tree | a06a6541d03045d01ce594aac798e32a47e7db7b /llvm/lib/CodeGen | |
| parent | 8d4dcc54099e7c734fee4fcedd44151b13074edd (diff) | |
| download | bcm5719-llvm-e2e8f2d96bf3692e6294907d071c1b33719dba8b.tar.gz bcm5719-llvm-e2e8f2d96bf3692e6294907d071c1b33719dba8b.zip | |
Fix a bogus splat xform:
shuffle <undef, undef, x, undef>, <undef, undef, undef, undef>, <2, 2, 2, 2>
!=
<undef, undef, x, undef>
llvm-svn: 42111
Diffstat (limited to 'llvm/lib/CodeGen')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 771515539a5..7d697f11022 100644 --- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/llvm/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; } |
