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rename some variables. 

llvm-svn: 90258
This commit is contained in:
Chris Lattner 2009-12-01 21:16:01 +00:00
parent 506b858c45
commit e914c0eaa0
1 changed files with 13 additions and 13 deletions
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26
llvm/lib/Analysis/MemoryDependenceAnalysis.cpp
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@ -172,7 +172,7 @@ MemDepResult MemoryDependenceAnalysis::
getPointerDependencyFrom(Value *MemPtr, uint64_t MemSize, bool isLoad,
BasicBlock::iterator ScanIt, BasicBlock *BB) {
Value *invariantTag = 0;
Value *InvariantTag = 0;
// Walk backwards through the basic block, looking for dependencies.
while (ScanIt != BB->begin()) {
@ -180,8 +180,8 @@ getPointerDependencyFrom(Value *MemPtr, uint64_t MemSize, bool isLoad,
// If we're in an invariant region, no dependencies can be found before
// we pass an invariant-begin marker.
if (invariantTag == Inst) {
invariantTag = 0;
if (InvariantTag == Inst) {
InvariantTag = 0;
continue;
}
@ -189,14 +189,14 @@ getPointerDependencyFrom(Value *MemPtr, uint64_t MemSize, bool isLoad,
// If we pass an invariant-end marker, then we've just entered an
// invariant region and can start ignoring dependencies.
if (II->getIntrinsicID() == Intrinsic::invariant_end) {
uint64_t invariantSize = ~0ULL;
uint64_t InvariantSize = ~0ULL;
if (ConstantInt *CI = dyn_cast<ConstantInt>(II->getOperand(2)))
invariantSize = CI->getZExtValue();
InvariantSize = CI->getZExtValue();
AliasAnalysis::AliasResult R =
AA->alias(II->getOperand(3), invariantSize, MemPtr, MemSize);
AA->alias(II->getOperand(3), InvariantSize, MemPtr, MemSize);
if (R == AliasAnalysis::MustAlias) {
invariantTag = II->getOperand(1);
InvariantTag = II->getOperand(1);
continue;
}
@ -204,12 +204,12 @@ getPointerDependencyFrom(Value *MemPtr, uint64_t MemSize, bool isLoad,
// because the value is undefined.
} else if (II->getIntrinsicID() == Intrinsic::lifetime_start ||
II->getIntrinsicID() == Intrinsic::lifetime_end) {
uint64_t invariantSize = ~0ULL;
uint64_t InvariantSize = ~0ULL;
if (ConstantInt *CI = dyn_cast<ConstantInt>(II->getOperand(1)))
invariantSize = CI->getZExtValue();
InvariantSize = CI->getZExtValue();
AliasAnalysis::AliasResult R =
AA->alias(II->getOperand(2), invariantSize, MemPtr, MemSize);
AA->alias(II->getOperand(2), InvariantSize, MemPtr, MemSize);
if (R == AliasAnalysis::MustAlias)
return MemDepResult::getDef(II);
}
@ -217,7 +217,7 @@ getPointerDependencyFrom(Value *MemPtr, uint64_t MemSize, bool isLoad,
// If we're querying on a load and we're in an invariant region, we're done
// at this point. Nothing a load depends on can live in an invariant region.
if (isLoad && invariantTag) continue;
if (isLoad && InvariantTag) continue;
// Debug intrinsics don't cause dependences.
if (isa<DbgInfoIntrinsic>(Inst)) continue;
@ -245,7 +245,7 @@ getPointerDependencyFrom(Value *MemPtr, uint64_t MemSize, bool isLoad,
if (StoreInst *SI = dyn_cast<StoreInst>(Inst)) {
// There can't be stores to the value we care about inside an
// invariant region.
if (invariantTag) continue;
if (InvariantTag) continue;
// If alias analysis can tell that this store is guaranteed to not modify
// the query pointer, ignore it. Use getModRefInfo to handle cases where
@ -294,7 +294,7 @@ getPointerDependencyFrom(Value *MemPtr, uint64_t MemSize, bool isLoad,
case AliasAnalysis::Mod:
// If we're in an invariant region, we can ignore calls that ONLY
// modify the pointer.
if (invariantTag) continue;
if (InvariantTag) continue;
return MemDepResult::getClobber(Inst);
case AliasAnalysis::Ref:
// If the call is known to never store to the pointer, and if this is a