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This started as a small change, I swear. Unfortunately, lots of things call the [I|F]CmpInst constructors. Who knew!?

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75200 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson
2009-07-09 23:48:35 +00:00
parent 53674361ef
commit 333c400965
37 changed files with 482 additions and 333 deletions
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9
lib/Transforms/Scalar/LoopStrengthReduce.cpp
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@@ -2019,9 +2019,8 @@ ICmpInst *LoopStrengthReduce::ChangeCompareStride(Loop *L, ICmpInst *Cond,
// Create a new compare instruction using new stride / iv.
ICmpInst *OldCond = Cond;
// Insert new compare instruction.
Cond = new ICmpInst(Predicate, NewCmpLHS, NewCmpRHS,
L->getHeader()->getName() + ".termcond",
OldCond);
Cond = new ICmpInst(OldCond, Predicate, NewCmpLHS, NewCmpRHS,
L->getHeader()->getName() + ".termcond");
// Remove the old compare instruction. The old indvar is probably dead too.
DeadInsts.push_back(CondUse->getOperandValToReplace());
@@ -2152,7 +2151,7 @@ ICmpInst *LoopStrengthReduce::OptimizeMax(Loop *L, ICmpInst *Cond,
// Ok, everything looks ok to change the condition into an SLT or SGE and
// delete the max calculation.
ICmpInst *NewCond =
new ICmpInst(Pred, Cond->getOperand(0), NewRHS, "scmp", Cond);
new ICmpInst(Cond, Pred, Cond->getOperand(0), NewRHS, "scmp");
// Delete the max calculation instructions.
Cond->replaceAllUsesWith(NewCond);
@@ -2383,7 +2382,7 @@ void LoopStrengthReduce::OptimizeLoopTermCond(Loop *L) {
Cond->moveBefore(TermBr);
} else {
// Otherwise, clone the terminating condition and insert into the loopend.
Cond = cast<ICmpInst>(Cond->clone());
Cond = cast<ICmpInst>(Cond->clone(*Context));
Cond->setName(L->getHeader()->getName() + ".termcond");
LatchBlock->getInstList().insert(TermBr, Cond);