Fix a major problem with global variable initializers. This could cause

us to have stuff pointing to the null pointer, which makes no sense
(the null ptr is an ssa value, not the null object)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20922 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Analysis/IPA/Andersens.cpp b/lib/Analysis/IPA/Andersens.cpp
index 9c17cab0e62d0585abda8db431dc66a8c461dcd7..ed9d54953e19e9d8867ac3785e9494b8ca16f1c7 100644 (file)
--- a/lib/Analysis/IPA/Andersens.cpp
+++ b/lib/Analysis/IPA/Andersens.cpp
@@ -578,7 +578,8 @@ Andersens::Node *Andersens::getNodeForConstantPointerTarget(Constant *C) {
 void Andersens::AddGlobalInitializerConstraints(Node *N, Constant *C) {
   if (C->getType()->isFirstClassType()) {
     if (isa<PointerType>(C->getType()))
-      N->addPointerTo(getNodeForConstantPointer(C));
+      N->copyFrom(getNodeForConstantPointer(C));
+                                       
   } else if (C->isNullValue()) {
     N->addPointerTo(&GraphNodes[NullObject]);
     return;