[cfe-commits] r39646 - /cfe/cfe/trunk/CodeGen/CGExpr.cpp

[clattner at cs.uiuc.edu]

Author: clattner
Date: Wed Jul 11 11:46:36 2007
New Revision: 39646

URL: http://llvm.org/viewvc/llvm-project?rev=39646&view=rev
Log:
Emit codegen of enum literals.

Modified:
    cfe/cfe/trunk/CodeGen/CGExpr.cpp

Modified: cfe/cfe/trunk/CodeGen/CGExpr.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/cfe/trunk/CodeGen/CGExpr.cpp?rev=39646&r1=39645&r2=39646&view=diff

==============================================================================
--- cfe/cfe/trunk/CodeGen/CGExpr.cpp (original)
+++ cfe/cfe/trunk/CodeGen/CGExpr.cpp Wed Jul 11 11:46:36 2007
@@ -338,7 +338,12 @@
     
   // l-values.
   case Expr::DeclRefExprClass:
-    // FIXME: EnumConstantDecl's are not lvalues.  This is wrong for them.
+    // DeclRef's of EnumConstantDecl's are simple rvalues.
+    if (const EnumConstantDecl *EC = 
+          dyn_cast<EnumConstantDecl>(cast<DeclRefExpr>(E)->getDecl()))
+      return RValue::get(ConstantInt::get(EC->getInitVal()));
+    
+    // FALLTHROUGH
   case Expr::ArraySubscriptExprClass:
     return EmitLoadOfLValue(E);
   case Expr::StringLiteralClass: