SDOperand &Index, SDOperand &Disp);
bool SelectLEAAddr(SDOperand N, SDOperand &Base, SDOperand &Scale,
SDOperand &Index, SDOperand &Disp);
- bool SelectScalarSSELoad(SDOperand N, SDOperand &Base, SDOperand &Scale,
+ bool SelectScalarSSELoad(SDOperand Root, SDOperand Pred,
+ SDOperand N, SDOperand &Base, SDOperand &Scale,
SDOperand &Index, SDOperand &Disp,
SDOperand &InChain, SDOperand &OutChain);
bool TryFoldLoad(SDOperand P, SDOperand N,
/// SelectScalarSSELoad - Match a scalar SSE load. In particular, we want to
/// match a load whose top elements are either undef or zeros. The load flavor
/// is derived from the type of N, which is either v4f32 or v2f64.
-bool X86DAGToDAGISel::SelectScalarSSELoad(SDOperand N, SDOperand &Base,
+bool X86DAGToDAGISel::SelectScalarSSELoad(SDOperand Root, SDOperand Pred,
+ SDOperand N, SDOperand &Base,
SDOperand &Scale, SDOperand &Index,
SDOperand &Disp, SDOperand &InChain,
SDOperand &OutChain) {
if (N.getOpcode() == ISD::SCALAR_TO_VECTOR) {
InChain = N.getOperand(0).getValue(1);
- if (ISD::isNON_EXTLoad(InChain.Val) && InChain.getValue(0).hasOneUse()) {
+ if (ISD::isNON_EXTLoad(InChain.Val) &&
+ InChain.getValue(0).hasOneUse() &&
+ CanBeFoldedBy(N.Val, Pred.Val, Root.Val)) {
LoadSDNode *LD = cast<LoadSDNode>(InChain);
if (!SelectAddr(LD->getBasePtr(), Base, Scale, Index, Disp))
return false;