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[PruneEH] Unify invoke and call handling in DeleteBasicBlock 

No functionality change is intended.

llvm-svn: 258610
This commit is contained in:
David Majnemer 2016-01-23 05:41:27 +00:00
parent 146d781717
commit 2d728ec55d
1 changed files with 9 additions and 5 deletions
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14
llvm/lib/Transforms/IPO/PruneEH.cpp
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@ -231,11 +231,15 @@ void PruneEH::DeleteBasicBlock(BasicBlock *BB) {
CallGraphNode *CGN = CG[BB->getParent()];
for (BasicBlock::iterator I = BB->end(), E = BB->begin(); I != E; ) {
--I;
if (CallInst *CI = dyn_cast<CallInst>(I)) {
if (!isa<IntrinsicInst>(I))
CGN->removeCallEdgeFor(CI);
} else if (InvokeInst *II = dyn_cast<InvokeInst>(I))
CGN->removeCallEdgeFor(II);
if (auto CS = CallSite (&*I)) {
const Function *Callee = CS.getCalledFunction();
if (!Callee || !Intrinsic::isLeaf(Callee->getIntrinsicID()))
CGN->removeCallEdgeFor(CS);
else if (!Callee->isIntrinsic())
CGN->removeCallEdgeFor(CS);
}
if (!I->use_empty())
I->replaceAllUsesWith(UndefValue::get(I->getType()));
}