Optimization suggested by Matthijs Kooijman.
llvm-svn: 55988
diff --git a/llvm/lib/Analysis/IPA/CallGraph.cpp b/llvm/lib/Analysis/IPA/CallGraph.cpp
index d24373c..1a65179 100644
--- a/llvm/lib/Analysis/IPA/CallGraph.cpp
+++ b/llvm/lib/Analysis/IPA/CallGraph.cpp
@@ -135,7 +135,8 @@
I != E && !isUsedExternally; ++I) {
if (Instruction *Inst = dyn_cast<Instruction>(*I)) {
CallSite CS = CallSite::get(Inst);
- isUsedExternally = !CS.getInstruction() || CS.hasArgument(F);
+ // Not a call? Or F being passed as a parameter not as the callee?
+ isUsedExternally = !CS.getInstruction() || I.getOperandNo();
} else { // User is not a direct call!
isUsedExternally = true;
}