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fix typos; NFC 

llvm-svn: 270579
This commit is contained in:
Sanjay Patel 2016-05-24 16:51:26 +00:00
parent 54b68779b2
commit 929ebf5a54
1 changed files with 11 additions and 11 deletions
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22
llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
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@ -336,7 +336,7 @@ public:
}
// Return true if any runtime check is added.
bool IsSafetyChecksAdded() { return AddedSafetyChecks; }
bool areSafetyChecksAdded() { return AddedSafetyChecks; }
virtual ~InnerLoopVectorizer() {}
@ -586,7 +586,7 @@ protected:
MapVector<Instruction *, uint64_t> MinBWs;
LoopVectorizationLegality *Legal;
// Record whether runtime check is added.
// Record whether runtime checks are added.
bool AddedSafetyChecks;
};
@ -1314,7 +1314,7 @@ public:
/// to be vectorized.
bool blockNeedsPredication(BasicBlock *BB);
/// Check if this pointer is consecutive when vectorizing. This happens
/// Check if this pointer is consecutive when vectorizing. This happens
/// when the last index of the GEP is the induction variable, or that the
/// pointer itself is an induction variable.
/// This check allows us to vectorize A[idx] into a wide load/store.
@ -2013,7 +2013,7 @@ struct LoopVectorize : public FunctionPass {
if (!VectorizeLoop) {
assert(IC > 1 && "interleave count should not be 1 or 0");
// If we decided that it is not legal to vectorize the loop then
// If we decided that it is not legal to vectorize the loop, then
// interleave it.
InnerLoopUnroller Unroller(L, PSE, LI, DT, TLI, TTI, AC, IC);
Unroller.vectorize(&LVL, CM.MinBWs);
@ -2022,15 +2022,15 @@ struct LoopVectorize : public FunctionPass {
Twine("interleaved loop (interleaved count: ") +
Twine(IC) + ")");
} else {
// If we decided that it is *legal* to vectorize the loop then do it.
// If we decided that it is *legal* to vectorize the loop, then do it.
InnerLoopVectorizer LB(L, PSE, LI, DT, TLI, TTI, AC, VF.Width, IC);
LB.vectorize(&LVL, CM.MinBWs);
++LoopsVectorized;
// Add metadata to disable runtime unrolling scalar loop when there's no
// runtime check about strides and memory. Because at this situation,
// scalar loop is rarely used not worthy to be unrolled.
if (!LB.IsSafetyChecksAdded())
// Add metadata to disable runtime unrolling a scalar loop when there are
// no runtime checks about strides and memory. A scalar loop that is
// rarely used is not worth unrolling.
if (!LB.areSafetyChecksAdded())
AddRuntimeUnrollDisableMetaData(L);
// Report the vectorization decision.
@ -2134,7 +2134,7 @@ int LoopVectorizationLegality::isConsecutivePtr(Value *Ptr) {
if (Ptr->getType()->getPointerElementType()->isAggregateType())
return 0;
// If this value is a pointer induction variable we know it is consecutive.
// If this value is a pointer induction variable, we know it is consecutive.
PHINode *Phi = dyn_cast_or_null<PHINode>(Ptr);
if (Phi && Inductions.count(Phi)) {
InductionDescriptor II = Inductions[Phi];
@ -2148,7 +2148,7 @@ int LoopVectorizationLegality::isConsecutivePtr(Value *Ptr) {
unsigned NumOperands = Gep->getNumOperands();
Value *GpPtr = Gep->getPointerOperand();
// If this GEP value is a consecutive pointer induction variable and all of
// the indices are constant then we know it is consecutive. We can
// the indices are constant, then we know it is consecutive.
Phi = dyn_cast<PHINode>(GpPtr);
if (Phi && Inductions.count(Phi)) {