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BasicAA: Uninserted instructions have no parent, and notDifferentParent explicitly allows for this case, but getParent crashes when handed one.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303442 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Berlin 2017-05-19 19:01:21 +00:00
parent 04150ba0ac
commit a55349e67c
1 changed files with 4 additions and 1 deletions
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5
lib/Analysis/BasicAliasAnalysis.cpp
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@ -683,8 +683,11 @@ static bool isIntrinsicCall(ImmutableCallSite CS, Intrinsic::ID IID) {
#ifndef NDEBUG
static const Function *getParent(const Value *V) {
if (const Instruction *inst = dyn_cast<Instruction>(V))
if (const Instruction *inst = dyn_cast<Instruction>(V)) {
if (!inst->getParent())
return nullptr;
return inst->getParent()->getParent();
}
if (const Argument *arg = dyn_cast<Argument>(V))
return arg->getParent();