[cfe-commits] r72147 - in /cfe/trunk/lib/CodeGen: CGCXX.cpp CGCall.cpp CGExpr.cpp CodeGenFunction.h

[Anders Carlsson]

Author: andersca
Date: Tue May 19 19:24:07 2009
New Revision: 72147

URL: http://llvm.org/viewvc/llvm-project?rev=72147&view=rev
Log:
Add EmitReferenceBindingToExpr. Have EmitCallArg use it for now. Doesn't support anything but at least we don't crash ;)

Modified:
    cfe/trunk/lib/CodeGen/CGCXX.cpp
    cfe/trunk/lib/CodeGen/CGCall.cpp
    cfe/trunk/lib/CodeGen/CGExpr.cpp
    cfe/trunk/lib/CodeGen/CodeGenFunction.h

Modified: cfe/trunk/lib/CodeGen/CGCXX.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGCXX.cpp?rev=72147&r1=72146&r2=72147&view=diff

==============================================================================
--- cfe/trunk/lib/CodeGen/CGCXX.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGCXX.cpp Tue May 19 19:24:07 2009
@@ -260,4 +260,3 @@
   Name += '\0';
   return UniqueMangledName(Name.begin(), Name.end());
 }
-

Modified: cfe/trunk/lib/CodeGen/CGCall.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGCall.cpp?rev=72147&r1=72146&r2=72147&view=diff

==============================================================================
--- cfe/trunk/lib/CodeGen/CGCall.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGCall.cpp Tue May 19 19:24:07 2009
@@ -2001,6 +2001,9 @@
 }
 
 RValue CodeGenFunction::EmitCallArg(const Expr *E, QualType ArgType) {
+  if (ArgType->isReferenceType())
+    return EmitReferenceBindingToExpr(E, ArgType);
+  
   return EmitAnyExprToTemp(E);
 }
 

Modified: cfe/trunk/lib/CodeGen/CGExpr.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGExpr.cpp?rev=72147&r1=72146&r2=72147&view=diff

==============================================================================
--- cfe/trunk/lib/CodeGen/CGExpr.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGExpr.cpp Tue May 19 19:24:07 2009
@@ -70,6 +70,13 @@
   return EmitAnyExpr(E, AggLoc, isAggLocVolatile);
 }
 
+RValue CodeGenFunction::EmitReferenceBindingToExpr(const Expr* E,
+                                                   QualType DestType) {
+  CGM.ErrorUnsupported(E, "reference binding");
+  return GetUndefRValue(DestType);
+}
+
+
 /// getAccessedFieldNo - Given an encoded value and a result number, return
 /// the input field number being accessed.
 unsigned CodeGenFunction::getAccessedFieldNo(unsigned Idx, 

Modified: cfe/trunk/lib/CodeGen/CodeGenFunction.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CodeGenFunction.h?rev=72147&r1=72146&r2=72147&view=diff

==============================================================================
--- cfe/trunk/lib/CodeGen/CodeGenFunction.h (original)
+++ cfe/trunk/lib/CodeGen/CodeGenFunction.h Tue May 19 19:24:07 2009
@@ -708,6 +708,10 @@
   void EmitObjCSuperPropertySet(const Expr *E, const Selector &S, RValue Src);
 
 
+  /// EmitReferenceBindingToExpr - Emits a reference binding to the passed in
+  /// expression. Will emit a temporary variable if E is not an LValue.
+  RValue EmitReferenceBindingToExpr(const Expr* E, QualType DestType);
+  
   //===--------------------------------------------------------------------===//
   //                           Expression Emission
   //===--------------------------------------------------------------------===//