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Make this comment more closely reflect the code. 

llvm-svn: 78569
This commit is contained in:
Dan Gohman 2009-08-10 16:50:32 +00:00
parent 676d115ce5
commit b717091e69
1 changed files with 1 additions and 1 deletions
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2
llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
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@ -4061,7 +4061,7 @@ SDValue DAGCombiner::visitFMUL(SDNode *N) {
// fold (fmul X, 2.0) -> (fadd X, X) // fold (fmul X, 2.0) -> (fadd X, X)
if (N1CFP && N1CFP->isExactlyValue(+2.0)) if (N1CFP && N1CFP->isExactlyValue(+2.0))
return DAG.getNode(ISD::FADD, N->getDebugLoc(), VT, N0, N0); return DAG.getNode(ISD::FADD, N->getDebugLoc(), VT, N0, N0);
// fold (fmul X, (fneg 1.0)) -> (fneg X) // fold (fmul X, -1.0) -> (fneg X)
if (N1CFP && N1CFP->isExactlyValue(-1.0)) if (N1CFP && N1CFP->isExactlyValue(-1.0))
if (!LegalOperations || TLI.isOperationLegal(ISD::FNEG, VT)) if (!LegalOperations || TLI.isOperationLegal(ISD::FNEG, VT))
return DAG.getNode(ISD::FNEG, N->getDebugLoc(), VT, N0); return DAG.getNode(ISD::FNEG, N->getDebugLoc(), VT, N0);