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fix a bug where we unswitched the wrong way 

llvm-svn: 26225
This commit is contained in:
Chris Lattner 2006-02-16 01:24:41 +00:00
parent 03c1e6f48e
commit ff42e81028
1 changed files with 2 additions and 2 deletions
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4
llvm/lib/Transforms/Scalar/LoopUnswitch.cpp
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@ -197,9 +197,9 @@ static bool IsTrivialUnswitchCondition(Loop *L, Value *Cond,
// side-effects. If so, determine the value of Cond that causes it to do
// this.
if ((LoopExitBB = isTrivialLoopExitBlock(L, BI->getSuccessor(0)))) {
if (Val) *Val = ConstantBool::True;
} else if ((LoopExitBB = isTrivialLoopExitBlock(L, BI->getSuccessor(1)))) {
if (Val) *Val = ConstantBool::False;
} else if ((LoopExitBB = isTrivialLoopExitBlock(L, BI->getSuccessor(1)))) {
if (Val) *Val = ConstantBool::True;
}
} else if (SwitchInst *SI = dyn_cast<SwitchInst>(HeaderTerm)) {
// If this isn't a switch on Cond, we can't handle it.