From dd5132ce2569a1ef901c92772eb8581aa1705f25 Mon Sep 17 00:00:00 2001
From: Roman Divacky <rdivacky@FreeBSD.org>
Date: Sat, 6 Mar 2010 09:23:02 +0000
Subject: Update clang to r97873.

---
 lib/CodeGen/CGExpr.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'lib/CodeGen/CGExpr.cpp')

diff --git a/lib/CodeGen/CGExpr.cpp b/lib/CodeGen/CGExpr.cpp
index 030d2c9c9f84..dc9ecd64f4e4 100644
--- a/lib/CodeGen/CGExpr.cpp
+++ b/lib/CodeGen/CGExpr.cpp
@@ -1062,6 +1062,16 @@ static LValue EmitFunctionDeclLValue(CodeGenFunction &CGF,
 LValue CodeGenFunction::EmitDeclRefLValue(const DeclRefExpr *E) {
   const NamedDecl *ND = E->getDecl();
 
+  if (ND->hasAttr<WeakRefAttr>()) {
+    const ValueDecl* VD = cast<ValueDecl>(ND);
+    llvm::Constant *Aliasee = CGM.GetWeakRefReference(VD);
+
+    Qualifiers Quals = MakeQualifiers(E->getType());
+    LValue LV = LValue::MakeAddr(Aliasee, Quals);
+
+    return LV;
+  }
+
   if (const VarDecl *VD = dyn_cast<VarDecl>(ND)) {
     
     // Check if this is a global variable.
-- 
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