Remove the Function::getRetAttributes method in favor of using the AttributeSet accessor method.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171256 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp b/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
index 75c27a7..a4311a9 100644
--- a/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
+++ b/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
@@ -66,8 +66,7 @@
 
   // Check whether the function can return without sret-demotion.
   SmallVector<ISD::OutputArg, 4> Outs;
-  GetReturnInfo(Fn->getReturnType(),
-                Fn->getAttributes().getRetAttributes(), Outs, TLI);
+  GetReturnInfo(Fn->getReturnType(), Fn->getAttributes(), Outs, TLI);
   CanLowerReturn = TLI.CanLowerReturn(Fn->getCallingConv(), *MF,
                                       Fn->isVarArg(),
                                       Outs, Fn->getContext());