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Replace redundant code

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Use EVT::changeExtendedVectorElementTypeToInteger instead of doing the
same thing that it does

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182165 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matt Arsenault 2013-05-17 21:43:43 +00:00
parent 63f3ca5da7
commit 9aa8fdfddb
1 changed files with 2 additions and 7 deletions
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9
lib/CodeGen/SelectionDAG/DAGCombiner.cpp
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@ -4519,16 +4519,11 @@ SDValue DAGCombiner::visitSIGN_EXTEND(SDNode *N) {
return DAG.getSetCC(N->getDebugLoc(), VT, N0.getOperand(0),
N0.getOperand(1),
cast<CondCodeSDNode>(N0.getOperand(2))->get());
// If the desired elements are smaller or larger than the source
// elements we can use a matching integer vector type and then
// truncate/sign extend
EVT MatchingElementType =
EVT::getIntegerVT(*DAG.getContext(),
N0VT.getScalarType().getSizeInBits());
EVT MatchingVectorType =
EVT::getVectorVT(*DAG.getContext(), MatchingElementType,
N0VT.getVectorNumElements());
EVT MatchingVectorType = N0VT.changeVectorElementTypeToInteger();
if (SVT == MatchingVectorType) {
SDValue VsetCC = DAG.getSetCC(N->getDebugLoc(), MatchingVectorType,
N0.getOperand(0), N0.getOperand(1),