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comparison lib/Target/X86/X86CallLowering.h @ 148:63bd29f05246

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merged
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Wed, 14 Aug 2019 19:46:37 +0900
parents c2174574ed3a
children
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146:3fc4d5c3e21e 148:63bd29f05246
1 //===- llvm/lib/Target/X86/X86CallLowering.h - Call lowering ----*- C++ -*-===// 1 //===- llvm/lib/Target/X86/X86CallLowering.h - Call lowering ----*- C++ -*-===//
2 // 2 //
3 // The LLVM Compiler Infrastructure 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // 4 // See https://llvm.org/LICENSE.txt for license information.
5 // This file is distributed under the University of Illinois Open Source 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 // License. See LICENSE.TXT for details.
7 // 6 //
8 //===----------------------------------------------------------------------===// 7 //===----------------------------------------------------------------------===//
9 // 8 //
10 /// \file 9 /// \file
11 /// This file describes how to lower LLVM calls to machine code calls. 10 /// This file describes how to lower LLVM calls to machine code calls.
27 26
28 class X86CallLowering : public CallLowering { 27 class X86CallLowering : public CallLowering {
29 public: 28 public:
30 X86CallLowering(const X86TargetLowering &TLI); 29 X86CallLowering(const X86TargetLowering &TLI);
31 30
32 bool lowerReturn(MachineIRBuilder &MIRBuiler, const Value *Val, 31 bool lowerReturn(MachineIRBuilder &MIRBuilder, const Value *Val,
33 unsigned VReg) const override; 32 ArrayRef<Register> VRegs) const override;
34 33
35 bool lowerFormalArguments(MachineIRBuilder &MIRBuilder, const Function &F, 34 bool lowerFormalArguments(MachineIRBuilder &MIRBuilder, const Function &F,
36 ArrayRef<unsigned> VRegs) const override; 35 ArrayRef<ArrayRef<Register>> VRegs) const override;
37 36
38 bool lowerCall(MachineIRBuilder &MIRBuilder, CallingConv::ID CallConv, 37 bool lowerCall(MachineIRBuilder &MIRBuilder,
39 const MachineOperand &Callee, const ArgInfo &OrigRet, 38 CallLoweringInfo &Info) const override;
40 ArrayRef<ArgInfo> OrigArgs) const override;
41 39
42 private: 40 private:
43 /// A function of this type is used to perform value split action. 41 /// A function of this type is used to perform value split action.
44 using SplitArgTy = std::function<void(ArrayRef<unsigned>)>; 42 using SplitArgTy = std::function<void(ArrayRef<Register>)>;
45 43
46 bool splitToValueTypes(const ArgInfo &OrigArgInfo, 44 bool splitToValueTypes(const ArgInfo &OrigArgInfo,
47 SmallVectorImpl<ArgInfo> &SplitArgs, 45 SmallVectorImpl<ArgInfo> &SplitArgs,
48 const DataLayout &DL, MachineRegisterInfo &MRI, 46 const DataLayout &DL, MachineRegisterInfo &MRI,
49 SplitArgTy SplitArg) const; 47 SplitArgTy SplitArg) const;