IRgen: Factor out EmitAggExprToLValue.

llvm-svn: 95416

1 files changed, 10 insertions, 0 deletions

diff --git a/clang/lib/CodeGen/CGExprAgg.cpp b/clang/lib/CodeGen/CGExprAgg.cpp
index ba25f358e87..bdeecb85be1 100644
--- a/clang/lib/CodeGen/CGExprAgg.cpp
+++ b/clang/lib/CodeGen/CGExprAgg.cpp
@@ -685,6 +685,8 @@ void AggExprEmitter::VisitInitListExpr(InitListExpr *E) {
 /// type.  The result is computed into DestPtr.  Note that if DestPtr is null,
 /// the value of the aggregate expression is not needed.  If VolatileDest is
 /// true, DestPtr cannot be 0.
+//
+// FIXME: Take Qualifiers object.
 void CodeGenFunction::EmitAggExpr(const Expr *E, llvm::Value *DestPtr,
                                   bool VolatileDest, bool IgnoreResult,
                                   bool IsInitializer,
@@ -699,6 +701,14 @@ void CodeGenFunction::EmitAggExpr(const Expr *E, llvm::Value *DestPtr,
     .Visit(const_cast<Expr*>(E));
 }
 
+LValue CodeGenFunction::EmitAggExprToLValue(const Expr *E) {
+  assert(hasAggregateLLVMType(E->getType()) && "Invalid argument!");
+  Qualifiers Q = MakeQualifiers(E->getType());
+  llvm::Value *Temp = CreateTempAlloca(ConvertTypeForMem(E->getType()));
+  EmitAggExpr(E, Temp, Q.hasVolatile());
+  return LValue::MakeAddr(Temp, Q);
+}
+
 void CodeGenFunction::EmitAggregateClear(llvm::Value *DestPtr, QualType Ty) {
   assert(!Ty->isAnyComplexType() && "Shouldn't happen for complex");