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[InstCombine] Don't try to sink EH pad instructions

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Found by inspection, this change should not effect the existing
landingpad behavior.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@244391 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Majnemer 2015-08-08 03:51:49 +00:00
parent 5ba219fe8d
commit 3309afe8f5
1 changed files with 2 additions and 2 deletions
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4
lib/Transforms/InstCombine/InstructionCombining.cpp
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@ -2672,7 +2672,7 @@ static bool TryToSinkInstruction(Instruction *I, BasicBlock *DestBlock) {
assert(I->hasOneUse() && "Invariants didn't hold!");
// Cannot move control-flow-involving, volatile loads, vaarg, etc.
if (isa<PHINode>(I) || isa<LandingPadInst>(I) || I->mayHaveSideEffects() ||
if (isa<PHINode>(I) || I->isEHPad() || I->mayHaveSideEffects() ||
isa<TerminatorInst>(I))
return false;
@ -2975,7 +2975,7 @@ static bool prepareICWorklistFromFunction(Function &F, const DataLayout &DL,
Instruction *Inst = --I;
if (!Inst->use_empty())
Inst->replaceAllUsesWith(UndefValue::get(Inst->getType()));
if (isa<LandingPadInst>(Inst)) {
if (Inst->isEHPad()) {
EndInst = Inst;
continue;
}