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[LAA] Use load and store vectors (NFC)

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Contributed-by: Aditya Kumar <hiraditya@msn.com>
Differential Revision: http://reviews.llvm.org/D20953

llvm-svn: 271895
This commit is contained in:
Matthew Simpson 2016-06-06 14:15:41 +00:00
parent c0ece9b67e
commit e3e3b994ae
1 changed files with 7 additions and 11 deletions
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18
llvm/lib/Analysis/LoopAccessAnalysis.cpp
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@ -1480,12 +1480,11 @@ bool LoopAccessInfo::canAnalyzeLoop() {
void LoopAccessInfo::analyzeLoop(const ValueToValueMap &Strides) {
typedef SmallVector<Value*, 16> ValueVector;
typedef SmallPtrSet<Value*, 16> ValueSet;
// Holds the Load and Store *instructions*.
ValueVector Loads;
ValueVector Stores;
// Holds the Load and Store instructions.
SmallVector<LoadInst *, 16> Loads;
SmallVector<StoreInst *, 16> Stores;
// Holds all the different accesses in the loop.
unsigned NumReads = 0;
@ -1580,10 +1579,8 @@ void LoopAccessInfo::analyzeLoop(const ValueToValueMap &Strides) {
// writes and between reads and writes, but not between reads and reads.
ValueSet Seen;
ValueVector::iterator I, IE;
for (I = Stores.begin(), IE = Stores.end(); I != IE; ++I) {
StoreInst *ST = cast<StoreInst>(*I);
Value* Ptr = ST->getPointerOperand();
for (StoreInst *ST : Stores) {
Value *Ptr = ST->getPointerOperand();
// Check for store to loop invariant address.
StoreToLoopInvariantAddress |= isUniform(Ptr);
// If we did *not* see this pointer before, insert it to the read-write
@ -1610,9 +1607,8 @@ void LoopAccessInfo::analyzeLoop(const ValueToValueMap &Strides) {
return;
}
for (I = Loads.begin(), IE = Loads.end(); I != IE; ++I) {
LoadInst *LD = cast<LoadInst>(*I);
Value* Ptr = LD->getPointerOperand();
for (LoadInst *LD : Loads) {
Value *Ptr = LD->getPointerOperand();
// If we did *not* see this pointer before, insert it to the
// read list. If we *did* see it before, then it is already in
// the read-write list. This allows us to vectorize expressions