Rename a variable for consistency with the ExitBlock vs ExitingBlock

terminology that LoopInfo uses.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73863 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2009-06-21 23:48:38 +00:00
parent 51f53b7f5a
commit 5392dce881

View File

@ -2299,11 +2299,11 @@ void LoopStrengthReduce::OptimizeLoopTermCond(Loop *L) {
// induction variable, to allow coalescing the live ranges for the IV into
// one register value.
BasicBlock *LatchBlock = L->getLoopLatch();
BasicBlock *ExitBlock = L->getExitingBlock();
if (!ExitBlock)
BasicBlock *ExitingBlock = L->getExitingBlock();
if (!ExitingBlock)
// Multiple exits, just look at the exit in the latch block if there is one.
ExitBlock = LatchBlock;
BranchInst *TermBr = dyn_cast<BranchInst>(ExitBlock->getTerminator());
ExitingBlock = LatchBlock;
BranchInst *TermBr = dyn_cast<BranchInst>(ExitingBlock->getTerminator());
if (!TermBr)
return;
if (TermBr->isUnconditional() || !isa<ICmpInst>(TermBr->getCondition()))
@ -2316,7 +2316,7 @@ void LoopStrengthReduce::OptimizeLoopTermCond(Loop *L) {
if (!FindIVUserForCond(Cond, CondUse, CondStride))
return; // setcc doesn't use the IV.
if (ExitBlock != LatchBlock) {
if (ExitingBlock != LatchBlock) {
if (!Cond->hasOneUse())
// See below, we don't want the condition to be cloned.
return;
@ -2378,7 +2378,7 @@ void LoopStrengthReduce::OptimizeLoopTermCond(Loop *L) {
// If possible, change stride and operands of the compare instruction to
// eliminate one stride.
if (ExitBlock == LatchBlock)
if (ExitingBlock == LatchBlock)
Cond = ChangeCompareStride(L, Cond, CondUse, CondStride);
// It's possible for the setcc instruction to be anywhere in the loop, and