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| author | Bob Wilson <bob.wilson@apple.com> | 2009-04-20 17:27:09 +0000 |
|---|---|---|
| committer | Bob Wilson <bob.wilson@apple.com> | 2009-04-20 17:27:09 +0000 |
| commit | c885165e664f3b465403e1b6ce57ba63f57c5f0c (patch) | |
| tree | 023d820d0928c026d30d9375a52de53ed3679249 /lib/CodeGen/SelectionDAG/DAGCombiner.cpp | |
| parent | c4f718a3a7990a13888836902ecac034a9d6a235 (diff) | |
Revise my previous change 68996 as suggested by Duncan.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69607 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/DAGCombiner.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index d1ef0815c8..72b3e3627e 100644 --- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -3811,12 +3811,8 @@ ConstantFoldBIT_CONVERTofBUILD_VECTOR(SDNode *BV, MVT DstEltVT) { SDValue Op = BV->getOperand(i); // If the vector element type is not legal, the BUILD_VECTOR operands // are promoted and implicitly truncated. Make that explicit here. - if (Op.getValueType() != SrcEltVT) { - if (Op.getOpcode() == ISD::UNDEF) - Op = DAG.getUNDEF(SrcEltVT); - else - Op = DAG.getNode(ISD::TRUNCATE, BV->getDebugLoc(), SrcEltVT, Op); - } + if (Op.getValueType() != SrcEltVT) + Op = DAG.getNode(ISD::TRUNCATE, BV->getDebugLoc(), SrcEltVT, Op); Ops.push_back(DAG.getNode(ISD::BIT_CONVERT, BV->getDebugLoc(), DstEltVT, Op)); AddToWorkList(Ops.back().getNode()); |