EVT VT = InVec.getValueType();
- bool HasShuffleIntoBitcast = false;
if (InVec.getOpcode() == ISD::BITCAST) {
// Don't duplicate a load with other uses.
if (!InVec.hasOneUse())
if (BCVT.getVectorNumElements() != VT.getVectorNumElements())
return SDValue();
InVec = InVec.getOperand(0);
- HasShuffleIntoBitcast = true;
}
if (!isTargetShuffle(InVec.getOpcode()))
if (!LN0 ||!LN0->hasNUsesOfValue(AllowedUses, 0) || LN0->isVolatile())
return SDValue();
- if (HasShuffleIntoBitcast) {
- // If there's a bitcast before the shuffle, check if the load type and
- // alignment is valid.
- unsigned Align = LN0->getAlignment();
- const TargetLowering &TLI = DAG.getTargetLoweringInfo();
- unsigned NewAlign = TLI.getDataLayout()->
- getABITypeAlignment(VT.getTypeForEVT(*DAG.getContext()));
+ EVT EltVT = N->getValueType(0);
+ // If there's a bitcast before the shuffle, check if the load type and
+ // alignment is valid.
+ unsigned Align = LN0->getAlignment();
+ const TargetLowering &TLI = DAG.getTargetLoweringInfo();
+ unsigned NewAlign = TLI.getDataLayout()->getABITypeAlignment(
+ EltVT.getTypeForEVT(*DAG.getContext()));
- if (NewAlign > Align || !TLI.isOperationLegalOrCustom(ISD::LOAD, VT))
- return SDValue();
- }
+ if (NewAlign > Align || !TLI.isOperationLegalOrCustom(ISD::LOAD, EltVT))
+ return SDValue();
// All checks match so transform back to vector_shuffle so that DAG combiner
// can finish the job