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Silence VS warnings.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19380 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-01-08 19:37:20 +00:00
parent 2cc34627bb
commit d4bc564531
1 changed files with 7 additions and 5 deletions
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12
lib/Transforms/Scalar/LoopUnroll.cpp
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@ -136,21 +136,23 @@ bool LoopUnroll::visitLoop(Loop *L) {
ConstantInt *TripCountC = dyn_cast_or_null<ConstantInt>(L->getTripCount());
if (!TripCountC) return Changed; // Must have constant trip count!
unsigned TripCount = TripCountC->getRawValue();
if (TripCount != TripCountC->getRawValue() || TripCount == 0)
uint64_t TripCountFull = TripCountC->getRawValue();
if (TripCountFull != TripCountC->getRawValue() || TripCountFull == 0)
return Changed; // More than 2^32 iterations???
unsigned LoopSize = ApproximateLoopSize(L);
DEBUG(std::cerr << "Loop Unroll: F[" << BB->getParent()->getName()
<< "] Loop %" << BB->getName() << " Loop Size = " << LoopSize
<< " Trip Count = " << TripCount << " - ");
uint64_t Size = (uint64_t)LoopSize*(uint64_t)TripCount;
<< " Trip Count = " << TripCountFull << " - ");
uint64_t Size = (uint64_t)LoopSize*TripCountFull;
if (Size > UnrollThreshold) {
DEBUG(std::cerr << "TOO LARGE: " << Size << ">" << UnrollThreshold << "\n");
return Changed;
}
DEBUG(std::cerr << "UNROLLING!\n");
unsigned TripCount = (unsigned)TripCountFull;
BasicBlock *LoopExit = BI->getSuccessor(L->contains(BI->getSuccessor(0)));
// Create a new basic block to temporarily hold all of the cloned code.