commit 4ce5ade09d130d21d2a7f76ba88520551f153210
author Dan Gohman <gohman@apple.com> Thu Aug 27 17:55:13 2009 +0000
committer Dan Gohman <gohman@apple.com> Thu Aug 27 17:55:13 2009 +0000
tree 44628a44c4692d6946caf547e2ac56a8b51a00f9
parent aba809befd26250e2da24054b346733220245dc1

Teach getUnderlyingObject and skipPointerCasts about GlobalAliases.

llvm-svn: 80265

llvm/lib/VMCore/Value.cpp

diff --git a/llvm/lib/VMCore/Value.cpp b/llvm/lib/VMCore/Value.cpp
index 34291b9..f674062 100644
--- a/llvm/lib/VMCore/Value.cpp
+++ b/llvm/lib/VMCore/Value.cpp
@@ -340,6 +340,10 @@
       V = GEP->getPointerOperand();
     } else if (Operator::getOpcode(V) == Instruction::BitCast) {
       V = cast<Operator>(V)->getOperand(0);
+    } else if (GlobalAlias *GA = dyn_cast<GlobalAlias>(V)) {
+      if (GA->mayBeOverridden())
+        return V;
+      V = GA->getAliasee();
     } else {
       return V;
     }
@@ -357,6 +361,10 @@
       V = GEP->getPointerOperand();
     } else if (Operator::getOpcode(V) == Instruction::BitCast) {
       V = cast<Operator>(V)->getOperand(0);
+    } else if (GlobalAlias *GA = dyn_cast<GlobalAlias>(V)) {
+      if (GA->mayBeOverridden())
+        return V;
+      V = GA->getAliasee();
     } else {
       return V;
     }