Start creating CXXBindReferenceExpr nodes when binding complex types to references.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@94964 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 22 insertions, 0 deletions

diff --git a/lib/CodeGen/CGExpr.cpp b/lib/CodeGen/CGExpr.cpp
index 605f77975f..c0dd68bc70 100644
--- a/lib/CodeGen/CGExpr.cpp
+++ b/lib/CodeGen/CGExpr.cpp
@@ -92,9 +92,31 @@ RValue CodeGenFunction::EmitAnyExprToTemp(const Expr *E,
                      IsInitializer);
 }
 
+llvm::Value * 
+CodeGenFunction::EmitCXXBindReferenceExpr(const CXXBindReferenceExpr *E) {
+  QualType T = E->getType();
+  assert(T->isAnyComplexType() && "FIXME: Unhandled bind expression!");
+  
+  const Expr *SubExpr = E->getSubExpr();
+
+  if (!E->requiresTemporaryCopy())
+    return EmitLValue(SubExpr).getAddress();
+
+  llvm::Value *Value = CreateTempAlloca(ConvertTypeForMem(T), "reftmp");
+    
+  if (T->isAnyComplexType()) 
+    EmitComplexExprIntoAddr(SubExpr, Value, /*DestIsVolatile=*/false);
+  else
+    assert(false && "Unhandled bind expression");
+    
+  return Value;
+}
+
 RValue CodeGenFunction::EmitReferenceBindingToExpr(const Expr* E,
                                                    QualType DestType,
                                                    bool IsInitializer) {
+  assert(!E->getType()->isAnyComplexType() && 
+         "Should not use this function for complex types!");
   bool ShouldDestroyTemporaries = false;
   unsigned OldNumLiveTemporaries = 0;