From: Hal Finkel <hfinkel@anl.gov>
Date: Fri, 14 Oct 2011 19:51:36 +0000 (+0000)
Subject: Add an implementation of the CanLowerReturn function to the PPC backend
X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=commitdiff_plain;h=d712f935f7e027a733741e6ca67b3237a59f65d1;ds=sidebyside

Add an implementation of the CanLowerReturn function to the PPC backend

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141981 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp
index cf9f27dda9e..d6b8a9ee93c 100644
--- a/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -3416,6 +3416,17 @@ PPCTargetLowering::LowerCall_Darwin(SDValue Chain, SDValue Callee,
                     Ins, InVals);
 }
 
+bool
+PPCTargetLowering::CanLowerReturn(CallingConv::ID CallConv,
+                                  MachineFunction &MF, bool isVarArg,
+                                  const SmallVectorImpl<ISD::OutputArg> &Outs,
+                                  LLVMContext &Context) const {
+  SmallVector<CCValAssign, 16> RVLocs;
+  CCState CCInfo(CallConv, isVarArg, MF, getTargetMachine(),
+                 RVLocs, Context);
+  return CCInfo.CheckReturn(Outs, RetCC_PPC);
+}
+
 SDValue
 PPCTargetLowering::LowerReturn(SDValue Chain,
                                CallingConv::ID CallConv, bool isVarArg,
diff --git a/lib/Target/PowerPC/PPCISelLowering.h b/lib/Target/PowerPC/PPCISelLowering.h
index 5f825bdfd32..430e45e8049 100644
--- a/lib/Target/PowerPC/PPCISelLowering.h
+++ b/lib/Target/PowerPC/PPCISelLowering.h
@@ -445,6 +445,12 @@ namespace llvm {
                 DebugLoc dl, SelectionDAG &DAG,
                 SmallVectorImpl<SDValue> &InVals) const;
 
+    virtual bool
+      CanLowerReturn(CallingConv::ID CallConv, MachineFunction &MF,
+                   bool isVarArg,
+                   const SmallVectorImpl<ISD::OutputArg> &Outs,
+                   LLVMContext &Context) const;
+
     virtual SDValue
       LowerReturn(SDValue Chain,
                   CallingConv::ID CallConv, bool isVarArg,