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It's not safe to blindly remove invoke instructions. This happens when we

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encounter an invoke of an allocation function. This should fix the dragonegg
bootstrap. Testcase to follow, later.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160757 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nick Lewycky 2012-07-25 21:19:40 +00:00
parent 24182757bf
commit b8cd66b5d7
1 changed files with 2 additions and 1 deletions
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3
lib/Transforms/IPO/GlobalOpt.cpp
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@ -352,7 +352,8 @@ static bool IsSafeComputationToRemove(Value *V) {
return true;
if (!V->hasOneUse())
return false;
if (isa<LoadInst>(V) || isa<Argument>(V) || isa<GlobalValue>(V))
if (isa<LoadInst>(V) || isa<InvokeInst>(V) || isa<Argument>(V) ||
isa<GlobalValue>(V))
return false;
if (isAllocationFn(V))
return true;