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[X86] When recognizing vector loads or VZEXT_LOAD in selectScalarSSELoad make sure we pass the load's user rather than load itself to the second operand of IsLegalToFold. 

llvm-svn: 290089
This commit is contained in:
Craig Topper 2016-12-19 08:35:56 +00:00
parent 04bd11ec4d
commit 1fd4196337
1 changed files with 2 additions and 2 deletions
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4
llvm/lib/Target/X86/X86ISelDAGToDAG.cpp
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@ -1518,7 +1518,7 @@ bool X86DAGToDAGISel::selectScalarSSELoad(SDNode *Root,
if (ISD::isNON_EXTLoad(N.getNode())) {
PatternNodeWithChain = N;
if (IsProfitableToFold(PatternNodeWithChain, N.getNode(), Root) &&
IsLegalToFold(PatternNodeWithChain, N.getNode(), Root, OptLevel)) {
IsLegalToFold(PatternNodeWithChain, *N->use_begin(), Root, OptLevel)) {
LoadSDNode *LD = cast<LoadSDNode>(PatternNodeWithChain);
return selectAddr(LD, LD->getBasePtr(), Base, Scale, Index, Disp,
Segment);
@ -1529,7 +1529,7 @@ bool X86DAGToDAGISel::selectScalarSSELoad(SDNode *Root,
if (N.getOpcode() == X86ISD::VZEXT_LOAD) {
PatternNodeWithChain = N;
if (IsProfitableToFold(PatternNodeWithChain, N.getNode(), Root) &&
IsLegalToFold(PatternNodeWithChain, N.getNode(), Root, OptLevel)) {
IsLegalToFold(PatternNodeWithChain, *N->use_begin(), Root, OptLevel)) {
auto *MI = cast<MemIntrinsicSDNode>(PatternNodeWithChain);
return selectAddr(MI, MI->getBasePtr(), Base, Scale, Index, Disp,
Segment);