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[DAGCombiner] Fixed minor typo that was missed in D9097.

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We don't bitcast the UNDEFs - that is done in visitVECTOR_SHUFFLE, and the getValueType should come from the operand's SDValue not the SDNode.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242640 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Simon Pilgrim 2015-07-19 11:31:40 +00:00
parent 00552e3875
commit e13745001d
1 changed files with 2 additions and 2 deletions
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4
lib/CodeGen/SelectionDAG/DAGCombiner.cpp
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@ -7237,10 +7237,10 @@ SDValue DAGCombiner::visitBITCAST(SDNode *N) {
ShuffleVectorSDNode *SVN = cast<ShuffleVectorSDNode>(N0);
// If operands are a bitcast, peek through if it casts the original VT.
// If operands are a UNDEF or constant, just bitcast back to original VT.
// If operands are a constant, just bitcast back to original VT.
auto PeekThroughBitcast = [&](SDValue Op) {
if (Op.getOpcode() == ISD::BITCAST &&
Op.getOperand(0)->getValueType(0) == VT)
Op.getOperand(0).getValueType() == VT)
return SDValue(Op.getOperand(0));
if (ISD::isBuildVectorOfConstantSDNodes(Op.getNode()) ||
ISD::isBuildVectorOfConstantFPSDNodes(Op.getNode()))