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In addition to deleting calls, the inliner can constant fold them as well.
Handle this case, which doesn't require a new callgraph edge. This fixes a crash compiling MallocBench/gs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29121 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -158,8 +158,10 @@ static void UpdateCallGraphAfterInlining(const Function *Caller,
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std::map<const Value*, Value*>::iterator VMI = ValueMap.find(OrigCall);
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if (VMI != ValueMap.end()) { // Only copy the edge if the call was inlined!
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Instruction *NewCall = cast<Instruction>(VMI->second);
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CallerNode->addCalledFunction(CallSite::get(NewCall), I->second);
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// If the call was inlined, but then constant folded, there is no edge to
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// add. Check for this case.
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if (Instruction *NewCall = dyn_cast<Instruction>(VMI->second))
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CallerNode->addCalledFunction(CallSite::get(NewCall), I->second);
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}
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}
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}
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