From b646062ad5df8a76bf3863b805afc467ba7d256b Mon Sep 17 00:00:00 2001
From: Daniel Berlin <dberlin@dberlin.org>
Date: Mon, 7 Apr 2008 14:20:50 +0000
Subject: [PATCH] Fix PR 2169.

llvm-svn: 49339
---
 llvm/lib/Analysis/IPA/Andersens.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/llvm/lib/Analysis/IPA/Andersens.cpp b/llvm/lib/Analysis/IPA/Andersens.cpp
index 9af904f49269..ab80bab95c70 100644
--- a/llvm/lib/Analysis/IPA/Andersens.cpp
+++ b/llvm/lib/Analysis/IPA/Andersens.cpp
@@ -957,6 +957,9 @@ bool Andersens::AddConstraintsForExternalCall(CallSite CS, Function *F) {
                                      FirstArg, TempArg));
     Constraints.push_back(Constraint(Constraint::Load,
                                      TempArg, SecondArg));
+    // In addition, Dest = Src
+    Constraints.push_back(Constraint(Constraint::Copy,
+                                     FirstArg, SecondArg));
     return true;
   }