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Rename a variable.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166410 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nadav Rotem 2012-10-22 04:53:05 +00:00
parent 565048e78a
commit 5f7d810223
1 changed files with 13 additions and 13 deletions

26
lib/Transforms/Vectorize/LoopVectorize.cpp

@ -92,9 +92,9 @@ class LoopVectorizationLegality;
class SingleBlockLoopVectorizer {
public:
/// Ctor.
SingleBlockLoopVectorizer(Loop *OrigLoop, ScalarEvolution *Se, LoopInfo *Li,
SingleBlockLoopVectorizer(Loop *Orig, ScalarEvolution *Se, LoopInfo *Li,
LPPassManager *Lpm, unsigned VecWidth):
Orig(OrigLoop), SE(Se), LI(Li), LPM(Lpm), VF(VecWidth),
OrigLoop(Orig), SE(Se), LI(Li), LPM(Lpm), VF(VecWidth),
Builder(Se->getContext()), Induction(0), OldInduction(0) { }
// Perform the actual loop widening (vectorization).
@ -145,7 +145,7 @@ private:
typedef DenseMap<Value*, Value*> ValueMap;
/// The original loop.
Loop *Orig;
Loop *OrigLoop;
// Scev analysis to use.
ScalarEvolution *SE;
// Loop Info.
@ -541,11 +541,11 @@ void SingleBlockLoopVectorizer::createEmptyLoop(LoopVectorizationLegality *Legal
*/
// This is the original scalar-loop preheader.
BasicBlock *BypassBlock = Orig->getLoopPreheader();
BasicBlock *ExitBlock = Orig->getExitBlock();
BasicBlock *BypassBlock = OrigLoop->getLoopPreheader();
BasicBlock *ExitBlock = OrigLoop->getExitBlock();
assert(ExitBlock && "Must have an exit block");
assert(Orig->getNumBlocks() == 1 && "Invalid loop");
assert(OrigLoop->getNumBlocks() == 1 && "Invalid loop");
assert(BypassBlock && "Invalid loop structure");
BasicBlock *VectorPH =
@ -559,7 +559,7 @@ void SingleBlockLoopVectorizer::createEmptyLoop(LoopVectorizationLegality *Legal
MiddleBlock->splitBasicBlock(MiddleBlock->getTerminator(),
"scalar.preheader");
// Find the induction variable.
BasicBlock *OldBasicBlock = Orig->getHeader();
BasicBlock *OldBasicBlock = OrigLoop->getHeader();
OldInduction = Legal->getInduction();
assert(OldInduction && "We must have a single phi node.");
Type *IdxTy = OldInduction->getType();
@ -574,7 +574,7 @@ void SingleBlockLoopVectorizer::createEmptyLoop(LoopVectorizationLegality *Legal
Constant *Step = ConstantInt::get(IdxTy, VF);
// Find the loop boundaries.
const SCEV *ExitCount = SE->getExitCount(Orig, Orig->getHeader());
const SCEV *ExitCount = SE->getExitCount(OrigLoop, OrigLoop->getHeader());
assert(ExitCount != SE->getCouldNotCompute() && "Invalid loop count");
// Get the total trip count from the count by adding 1.
@ -639,11 +639,11 @@ void SingleBlockLoopVectorizer::createEmptyLoop(LoopVectorizationLegality *Legal
// Register the new loop.
Loop* Lp = new Loop();
LPM->insertLoop(Lp, Orig->getParentLoop());
LPM->insertLoop(Lp, OrigLoop->getParentLoop());
Lp->addBasicBlockToLoop(VecBody, LI->getBase());
Loop *ParentLoop = Orig->getParentLoop();
Loop *ParentLoop = OrigLoop->getParentLoop();
if (ParentLoop) {
ParentLoop->addBasicBlockToLoop(ScalarPH, LI->getBase());
ParentLoop->addBasicBlockToLoop(VectorPH, LI->getBase());
@ -661,7 +661,7 @@ void SingleBlockLoopVectorizer::createEmptyLoop(LoopVectorizationLegality *Legal
void
SingleBlockLoopVectorizer::vectorizeLoop(LoopVectorizationLegality *Legal) {
typedef SmallVector<PHINode*, 4> PhiVector;
BasicBlock &BB = *Orig->getHeader();
BasicBlock &BB = *OrigLoop->getHeader();
Constant *Zero = ConstantInt::get(
IntegerType::getInt32Ty(BB.getContext()), 0);
@ -728,7 +728,7 @@ SingleBlockLoopVectorizer::vectorizeLoop(LoopVectorizationLegality *Legal) {
// If the selector is loop invariant we can create a select
// instruction with a scalar condition. Otherwise, use vector-select.
Value *Cond = Inst->getOperand(0);
bool InvariantCond = SE->isLoopInvariant(SE->getSCEV(Cond), Orig);
bool InvariantCond = SE->isLoopInvariant(SE->getSCEV(Cond), OrigLoop);
// The condition can be loop invariant but still defined inside the
// loop. This means that we can't just use the original 'cond' value.
@ -958,7 +958,7 @@ SingleBlockLoopVectorizer::vectorizeLoop(LoopVectorizationLegality *Legal) {
void SingleBlockLoopVectorizer::cleanup() {
// The original basic block.
SE->forgetLoop(Orig);
SE->forgetLoop(OrigLoop);
}
unsigned LoopVectorizationLegality::getLoopMaxVF() {