Optimization suggested by Matthijs Kooijman.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55988 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 2 insertions, 1 deletions

diff --git a/lib/Analysis/IPA/CallGraph.cpp b/lib/Analysis/IPA/CallGraph.cpp
index d24373c9b5..1a65179c5a 100644
--- a/lib/Analysis/IPA/CallGraph.cpp
+++ b/lib/Analysis/IPA/CallGraph.cpp
@@ -135,7 +135,8 @@ private:
          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;
       }