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[SLP] clean up for vector store case; NFCI 

llvm-svn: 313541
This commit is contained in:
Sanjay Patel 2017-09-18 16:20:15 +00:00
parent 8f31dc9754
commit 55de1ed8e6
1 changed files with 11 additions and 12 deletions
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23
llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
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@ -2984,27 +2984,26 @@ Value *BoUpSLP::vectorizeTree(TreeEntry *E) {
unsigned Alignment = SI->getAlignment();
unsigned AS = SI->getPointerAddressSpace();
ValueList ValueOp;
ValueList ScalarStoreValues;
for (Value *V : E->Scalars)
ValueOp.push_back(cast<StoreInst>(V)->getValueOperand());
ScalarStoreValues.push_back(cast<StoreInst>(V)->getValueOperand());
setInsertPointAfterBundle(E->Scalars, VL0);
Value *VecValue = vectorizeTree(ValueOp);
Value *VecPtr = Builder.CreateBitCast(SI->getPointerOperand(),
VecTy->getPointerTo(AS));
Value *VecValue = vectorizeTree(ScalarStoreValues);
Value *ScalarPtr = SI->getPointerOperand();
Value *VecPtr = Builder.CreateBitCast(ScalarPtr, VecTy->getPointerTo(AS));
StoreInst *S = Builder.CreateStore(VecValue, VecPtr);
// The pointer operand uses an in-tree scalar so we add the new BitCast to
// ExternalUses list to make sure that an extract will be generated in the
// The pointer operand uses an in-tree scalar, so add the new BitCast to
// ExternalUses to make sure that an extract will be generated in the
// future.
Value *PO = SI->getPointerOperand();
if (getTreeEntry(PO))
ExternalUses.push_back(ExternalUser(PO, cast<User>(VecPtr), 0));
if (getTreeEntry(ScalarPtr))
ExternalUses.push_back(ExternalUser(ScalarPtr, cast<User>(VecPtr), 0));
if (!Alignment) {
if (!Alignment)
Alignment = DL->getABITypeAlignment(SI->getValueOperand()->getType());
}
S->setAlignment(Alignment);
E->VectorizedValue = S;
++NumVectorInstructions;