Add XCore support for arbitrary-sized aggregate returns.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88802 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 17 insertions, 0 deletions

diff --git a/lib/Target/XCore/XCoreISelLowering.cpp b/lib/Target/XCore/XCoreISelLowering.cpp
index 0e1e1efc61..16e68fe7b2 100644
--- a/lib/Target/XCore/XCoreISelLowering.cpp
+++ b/lib/Target/XCore/XCoreISelLowering.cpp
@@ -918,6 +918,17 @@ XCoreTargetLowering::LowerCCCArguments(SDValue Chain,
 //               Return Value Calling Convention Implementation
 //===----------------------------------------------------------------------===//
 
+bool XCoreTargetLowering::
+CanLowerReturn(CallingConv::ID CallConv, bool isVarArg,
+               const SmallVectorImpl<EVT> &OutTys,
+               const SmallVectorImpl<ISD::ArgFlagsTy> &ArgsFlags,
+               SelectionDAG &DAG) {
+  SmallVector<CCValAssign, 16> RVLocs;
+  CCState CCInfo(CallConv, isVarArg, getTargetMachine(),
+                 RVLocs, *DAG.getContext());
+  return CCInfo.CheckReturn(OutTys, ArgsFlags, RetCC_XCore);
+}
+
 SDValue
 XCoreTargetLowering::LowerReturn(SDValue Chain,
                                  CallingConv::ID CallConv, bool isVarArg,
diff --git a/lib/Target/XCore/XCoreISelLowering.h b/lib/Target/XCore/XCoreISelLowering.h
index ef8555e3da..10631afb02 100644
--- a/lib/Target/XCore/XCoreISelLowering.h
+++ b/lib/Target/XCore/XCoreISelLowering.h
@@ -159,6 +159,12 @@ namespace llvm {
                   CallingConv::ID CallConv, bool isVarArg,
                   const SmallVectorImpl<ISD::OutputArg> &Outs,
                   DebugLoc dl, SelectionDAG &DAG);
+
+    virtual bool
+      CanLowerReturn(CallingConv::ID CallConv, bool isVarArg,
+                     const SmallVectorImpl<EVT> &OutTys,
+                     const SmallVectorImpl<ISD::ArgFlagsTy> &ArgsFlags,
+                     SelectionDAG &DAG);
   };
 }