Do not include the Function* for direct call/invoke instructions in the
alias evaluation. Clients really don't care.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20664 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/AliasAnalysisEvaluator.cpp b/lib/Analysis/AliasAnalysisEvaluator.cpp
index 7c8ccb6..1b3daba 100644
--- a/lib/Analysis/AliasAnalysisEvaluator.cpp
+++ b/lib/Analysis/AliasAnalysisEvaluator.cpp
@@ -109,7 +109,12 @@
for (inst_iterator I = inst_begin(F), E = inst_end(F); I != E; ++I) {
if (isa<PointerType>(I->getType())) // Add all pointer instructions
Pointers.insert(&*I);
- for (User::op_iterator OI = (*I).op_begin(); OI != (*I).op_end(); ++OI)
+ Instruction &Inst = *I;
+ User::op_iterator OI = Inst.op_begin();
+ if ((isa<InvokeInst>(Inst) || isa<CallInst>(Inst)) &&
+ isa<Function>(Inst.getOperand(0)))
+ ++OI; // Skip actual functions for direct function calls.
+ for (; OI != Inst.op_end(); ++OI)
if (isa<PointerType>((*OI)->getType()))
Pointers.insert(*OI);