From c82b86dfaa96cadc561b5ccd2b5b37dfae4530cf Mon Sep 17 00:00:00 2001
From: Anders Carlsson <andersca@mac.com>
Date: Tue, 19 May 2009 04:48:36 +0000
Subject: Have AggExprEmitter::VisitCXXConstructExpr make new variables if
 necessary. Stub out VisitCXXExprWithTemporaries.

llvm-svn: 72103
---
 clang/lib/CodeGen/CGExprAgg.cpp | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

(limited to 'clang/lib/CodeGen/CGExprAgg.cpp')

diff --git a/clang/lib/CodeGen/CGExprAgg.cpp b/clang/lib/CodeGen/CGExprAgg.cpp
index b216cf70a49b..92e535a5f062 100644
--- a/clang/lib/CodeGen/CGExprAgg.cpp
+++ b/clang/lib/CodeGen/CGExprAgg.cpp
@@ -99,6 +99,8 @@ public:
     Visit(DAE->getExpr());
   }
   void VisitCXXConstructExpr(const CXXConstructExpr *E);
+  void VisitCXXExprWithTemporaries(CXXExprWithTemporaries *E);
+
   void VisitVAArgExpr(VAArgExpr *E);
 
   void EmitInitializationToLValue(Expr *E, LValue Address);
@@ -295,9 +297,22 @@ void AggExprEmitter::VisitVAArgExpr(VAArgExpr *VE) {
 
 void
 AggExprEmitter::VisitCXXConstructExpr(const CXXConstructExpr *E) {
-  assert(DestPtr && "Must have a dest to emit into!");
+  llvm::Value *V = DestPtr;
+  
+  if (!V) {
+    assert(isa<CXXTempVarDecl>(E->getVarDecl()) && 
+           "Must have a temp var decl when there's no destination!");
+    
+    V = CGF.CreateTempAlloca(CGF.ConvertType(E->getVarDecl()->getType()), 
+                             "tmpvar");
+  }
   
-  CGF.EmitCXXConstructExpr(DestPtr, E);
+  CGF.EmitCXXConstructExpr(V, E);
+}
+
+void AggExprEmitter::VisitCXXExprWithTemporaries(CXXExprWithTemporaries *E) {
+  // FIXME: Do something with the temporaries!
+  Visit(E->getSubExpr());
 }
 
 void AggExprEmitter::EmitInitializationToLValue(Expr* E, LValue LV) {
-- 
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