1 //===- AArch64LegalizerInfo --------------------------------------*- C++ -*-==//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 /// \file
10 /// This file declares the targeting of the Machinelegalizer class for
11 /// AArch64.
12 /// \todo This should be generated by TableGen.
13 //===----------------------------------------------------------------------===//
14 
15 #ifndef LLVM_LIB_TARGET_AARCH64_AARCH64MACHINELEGALIZER_H
16 #define LLVM_LIB_TARGET_AARCH64_AARCH64MACHINELEGALIZER_H
17 
18 #include "llvm/CodeGen/GlobalISel/LegalizerInfo.h"
19 
20 namespace llvm {
21 
22 class LLVMContext;
23 class AArch64Subtarget;
24 
25 /// This class provides the information for the target register banks.
26 class AArch64LegalizerInfo : public LegalizerInfo {
27 public:
28   AArch64LegalizerInfo(const AArch64Subtarget &ST);
29 
30   bool legalizeCustom(MachineInstr &MI, MachineRegisterInfo &MRI,
31                       MachineIRBuilder &MIRBuilder) const override;
32 
33 private:
34   bool legalizeVaArg(MachineInstr &MI, MachineRegisterInfo &MRI,
35                      MachineIRBuilder &MIRBuilder) const;
36 };
37 } // End llvm namespace.
38 #endif
39