// load of the entire vector width starting at the base pointer. If we found
// consecutive loads for the low half, generate a vzext_load node.
if (LastLoadedElt == NumElems - 1) {
+ SDValue NewLd = SDValue();
if (DAG.InferPtrAlignment(LDBase->getBasePtr()) >= 16)
- return DAG.getLoad(VT, DL, LDBase->getChain(), LDBase->getBasePtr(),
- LDBase->getPointerInfo(),
- LDBase->isVolatile(), LDBase->isNonTemporal(),
- LDBase->isInvariant(), 0);
- return DAG.getLoad(VT, DL, LDBase->getChain(), LDBase->getBasePtr(),
- LDBase->getPointerInfo(),
- LDBase->isVolatile(), LDBase->isNonTemporal(),
- LDBase->isInvariant(), LDBase->getAlignment());
+ NewLd = DAG.getLoad(VT, DL, LDBase->getChain(), LDBase->getBasePtr(),
+ LDBase->getPointerInfo(),
+ LDBase->isVolatile(), LDBase->isNonTemporal(),
+ LDBase->isInvariant(), 0);
+ NewLd = DAG.getLoad(VT, DL, LDBase->getChain(), LDBase->getBasePtr(),
+ LDBase->getPointerInfo(),
+ LDBase->isVolatile(), LDBase->isNonTemporal(),
+ LDBase->isInvariant(), LDBase->getAlignment());
+
+ if (LDBase->hasAnyUseOfValue(1)) {
+ SDValue NewChain = DAG.getNode(ISD::TokenFactor, DL, MVT::Other,
+ SDValue(LDBase, 1),
+ SDValue(NewLd.getNode(), 1));
+ DAG.ReplaceAllUsesOfValueWith(SDValue(LDBase, 1), NewChain);
+ DAG.UpdateNodeOperands(NewChain.getNode(), SDValue(LDBase, 1),
+ SDValue(NewLd.getNode(), 1));
+ }
+
+ return NewLd;
}
if (NumElems == 4 && LastLoadedElt == 1 &&
DAG.getTargetLoweringInfo().isTypeLegal(MVT::v2i64)) {