From ad8e9ae852face7572e6cf08d294cafc1af53cf8 Mon Sep 17 00:00:00 2001
From: Christian Kamm <kamm@incasoftware.de>
Date: Sat, 2 Aug 2008 22:54:36 +0200
Subject: [PATCH] Implement a rough AddrExp::toConstElem()

---
 dmd/expression.h |  2 ++
 gen/toir.cpp     | 11 +++++++++++
 2 files changed, 13 insertions(+)

diff --git a/dmd/expression.h b/dmd/expression.h
index f748caa2..45af7835 100644
--- a/dmd/expression.h
+++ b/dmd/expression.h
@@ -865,6 +865,8 @@ struct AddrExp : UnaExp
     MATCH implicitConvTo(Type *t);
     Expression *castTo(Scope *sc, Type *t);
     Expression *optimize(int result);
+    // LLVMDC
+    virtual llvm::Constant *toConstElem(IRState *irs);
 };
 
 struct PtrExp : UnaExp
diff --git a/gen/toir.cpp b/gen/toir.cpp
index 51b72a03..e9eb0536 100644
--- a/gen/toir.cpp
+++ b/gen/toir.cpp
@@ -847,6 +847,17 @@ DValue* AddrExp::toElem(IRState* p)
     return new DFieldValue(type, v->getLVal(), false);
 }
 
+LLConstant* AddrExp::toConstElem(IRState* p)
+{
+    assert(e1->op == TOKvar);
+    VarExp* vexp = (VarExp*)e1;
+    VarDeclaration* vd = vexp->var->isVarDeclaration();
+    assert(vd);
+    LLConstant* llc = llvm::dyn_cast<LLConstant>(vd->ir.getIrValue());
+    assert(llc);
+    return llc;
+}
+
 //////////////////////////////////////////////////////////////////////////////////////////
 
 DValue* PtrExp::toElem(IRState* p)