diff options
Diffstat (limited to 'lib/CodeGen/SelectionDAG/DAGCombiner.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 1ed3082..e3f8f0f 100644 --- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -4381,15 +4381,17 @@ SDValue DAGCombiner::visitFP_EXTEND(SDNode *N) { SDValue DAGCombiner::visitFNEG(SDNode *N) { SDValue N0 = N->getOperand(0); + EVT VT = N->getValueType(0); if (isNegatibleForFree(N0, LegalOperations)) return GetNegatedExpression(N0, DAG, LegalOperations); // Transform fneg(bitconvert(x)) -> bitconvert(x^sign) to avoid loading // constant pool values. - if (N0.getOpcode() == ISD::BIT_CONVERT && N0.getNode()->hasOneUse() && - N0.getOperand(0).getValueType().isInteger() && - !N0.getOperand(0).getValueType().isVector()) { + if (N0.getOpcode() == ISD::BIT_CONVERT && + !VT.isVector() && + N0.getNode()->hasOneUse() && + N0.getOperand(0).getValueType().isInteger()) { SDValue Int = N0.getOperand(0); EVT IntVT = Int.getValueType(); if (IntVT.isInteger() && !IntVT.isVector()) { @@ -4397,7 +4399,7 @@ SDValue DAGCombiner::visitFNEG(SDNode *N) { DAG.getConstant(APInt::getSignBit(IntVT.getSizeInBits()), IntVT)); AddToWorkList(Int.getNode()); return DAG.getNode(ISD::BIT_CONVERT, N->getDebugLoc(), - N->getValueType(0), Int); + VT, Int); } } |
