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Propagate debug loc info for MULHS.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63375 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2009-01-30 03:00:18 +00:00
parent 6d3bf8c4c3
commit 326411dc69
1 changed files with 2 additions and 2 deletions
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4
lib/CodeGen/SelectionDAG/DAGCombiner.cpp
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@ -1603,8 +1603,8 @@ SDValue DAGCombiner::visitMULHS(SDNode *N) {
return N1;
// fold (mulhs x, 1) -> (sra x, size(x)-1)
if (N1C && N1C->getAPIntValue() == 1)
return DAG.getNode(ISD::SRA, N0.getValueType(), N0,
DAG.getConstant(N0.getValueType().getSizeInBits()-1,
return DAG.getNode(ISD::SRA, N->getDebugLoc(), N0.getValueType(), N0,
DAG.getConstant(N0.getValueType().getSizeInBits() - 1,
TLI.getShiftAmountTy()));
// fold (mulhs x, undef) -> 0
if (N0.getOpcode() == ISD::UNDEF || N1.getOpcode() == ISD::UNDEF)