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minor cleanups

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llvm-svn: 169048
This commit is contained in:
Nadav Rotem 2012-11-30 22:37:11 +00:00
parent 21878b5f40
commit 7931e87e83
1 changed files with 3 additions and 8 deletions
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11
lib/Transforms/Vectorize/LoopVectorize.cpp
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@ -712,7 +712,7 @@ SingleBlockLoopVectorizer::addRuntimeCheck(LoopVectorizationLegality *Legal,
const SCEV *Sc = SE->getSCEV(Ptr);
if (SE->isLoopInvariant(Sc, OrigLoop)) {
DEBUG(dbgs() << "LV1: Adding RT check for a loop invariant ptr:" <<
DEBUG(dbgs() << "LV: Adding RT check for a loop invariant ptr:" <<
*Ptr <<"\n");
Starts.push_back(Ptr);
Ends.push_back(Ptr);
@ -1423,11 +1423,7 @@ void SingleBlockLoopVectorizer::updateAnalysis() {
}
bool LoopVectorizationLegality::canVectorize() {
if (!TheLoop->getLoopPreheader()) {
assert(false && "No preheader!!");
DEBUG(dbgs() << "LV: Loop not normalized." << "\n");
return false;
}
assert(TheLoop->getLoopPreheader() && "No preheader!!");
// We can only vectorize single basic block loops.
unsigned NumBlocks = TheLoop->getNumBlocks();
@ -2008,9 +2004,8 @@ LoopVectorizationCostModel::getInstructionCost(Instruction *I, unsigned VF) {
case Instruction::AShr:
case Instruction::And:
case Instruction::Or:
case Instruction::Xor: {
case Instruction::Xor:
return VTTI->getArithmeticInstrCost(I->getOpcode(), VectorTy);
}
case Instruction::Select: {
SelectInst *SI = cast<SelectInst>(I);
const SCEV *CondSCEV = SE->getSCEV(SI->getCondition());