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DAGCombiner: Check if store is volatile first 

This is the simpler check. NFC.

llvm-svn: 248625
This commit is contained in:
Matt Arsenault 2015-09-25 22:06:19 +00:00
parent c804cdb912
commit 3c07e963b8
1 changed files with 3 additions and 3 deletions
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6
llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
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@ -14519,6 +14519,9 @@ bool DAGCombiner::findBetterNeighborChains(StoreSDNode* St) {
if (Index != St && !SDValue(Index, 0)->hasOneUse())
break;
if (Index->isVolatile() || Index->isIndexed())
break;
// Find the base pointer and offset for this memory node.
BaseIndexOffset Ptr = BaseIndexOffset::match(Index->getBasePtr());
@ -14526,9 +14529,6 @@ bool DAGCombiner::findBetterNeighborChains(StoreSDNode* St) {
if (!Ptr.equalBaseIndex(BasePtr))
break;
if (Index->isVolatile() || Index->isIndexed())
break;
// Find the next memory operand in the chain. If the next operand in the
// chain is a store then move up and continue the scan with the next
// memory operand. If the next operand is a load save it and use alias