--- a/lib/Target/X86/X86CallLowering.h	Sun Dec 23 19:23:36 2018 +0900
+++ b/lib/Target/X86/X86CallLowering.h	Wed Aug 14 19:46:37 2019 +0900
@@ -1,9 +1,8 @@
 //===- llvm/lib/Target/X86/X86CallLowering.h - Call lowering ----*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
@@ -29,19 +28,18 @@
 public:
   X86CallLowering(const X86TargetLowering &TLI);
 
-  bool lowerReturn(MachineIRBuilder &MIRBuiler, const Value *Val,
-                   unsigned VReg) const override;
+  bool lowerReturn(MachineIRBuilder &MIRBuilder, const Value *Val,
+                   ArrayRef<Register> VRegs) const override;
 
   bool lowerFormalArguments(MachineIRBuilder &MIRBuilder, const Function &F,
-                            ArrayRef<unsigned> VRegs) const override;
+                            ArrayRef<ArrayRef<Register>> VRegs) const override;
 
-  bool lowerCall(MachineIRBuilder &MIRBuilder, CallingConv::ID CallConv,
-                 const MachineOperand &Callee, const ArgInfo &OrigRet,
-                 ArrayRef<ArgInfo> OrigArgs) const override;
+  bool lowerCall(MachineIRBuilder &MIRBuilder,
+                 CallLoweringInfo &Info) const override;
 
 private:
   /// A function of this type is used to perform value split action.
-  using SplitArgTy = std::function<void(ArrayRef<unsigned>)>;
+  using SplitArgTy = std::function<void(ArrayRef<Register>)>;
 
   bool splitToValueTypes(const ArgInfo &OrigArgInfo,
                          SmallVectorImpl<ArgInfo> &SplitArgs,