Add CodeGenFunction::ReturnTypeUsesSret

 - Hook so NeXT runtime doesn't depend on ABI.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@56034 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 0 deletions

diff --git a/lib/CodeGen/CodeGenFunction.h b/lib/CodeGen/CodeGenFunction.h
index 5054b56d21..f5eba15a24 100644
--- a/lib/CodeGen/CodeGenFunction.h
+++ b/lib/CodeGen/CodeGenFunction.h
@@ -138,6 +138,10 @@ public:
                      const FunctionArgList &Args);
   void FinishFunction(SourceLocation EndLoc=SourceLocation());
 
+  /// ReturnTypeUsesSret - Return true iff the given type uses 'sret'
+  /// when used as a return type.
+  bool ReturnTypeUsesSret(QualType RetTy);
+
   /// EmitFunctionProlog - Emit the target specific LLVM code to load
   /// the arguments for the given function. This is also responsible
   /// for naming the LLVM function arguments.