Fix PR 2169.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49339 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Analysis/IPA/Andersens.cpp b/lib/Analysis/IPA/Andersens.cpp
index 9af904f4926941f673f3d32cf37a3596714d815e..ab80bab95c7064d8471cc7f57f012a386d8ec1c1 100644 (file)
--- a/lib/Analysis/IPA/Andersens.cpp
+++ b/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;
   }