1//===- X86LegalizerInfo.h ------------------------------------------*- C++
2//-*-==//
3//
4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5// See https://llvm.org/LICENSE.txt for license information.
6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7//
8//===----------------------------------------------------------------------===//
9/// \file
10/// This file declares the targeting of the Machinelegalizer class for X86.
11/// \todo This should be generated by TableGen.
12//===----------------------------------------------------------------------===//
13
14#ifndef LLVM_LIB_TARGET_X86_X86MACHINELEGALIZER_H
15#define LLVM_LIB_TARGET_X86_X86MACHINELEGALIZER_H
16
17#include "llvm/CodeGen/GlobalISel/LegalizerInfo.h"
18
19namespace llvm {
20
21class X86Subtarget;
22class X86TargetMachine;
23
24class X86LegalizerInfo : public LegalizerInfo {
25private:
26 /// Keep a reference to the X86Subtarget around so that we can
27 /// make the right decision when generating code for different targets.
28 const X86Subtarget &Subtarget;
29
30public:
31 X86LegalizerInfo(const X86Subtarget &STI, const X86TargetMachine &TM);
32
33 bool legalizeCustom(LegalizerHelper &Helper, MachineInstr &MI,
34 LostDebugLocObserver &LocObserver) const override;
35
36 bool legalizeIntrinsic(LegalizerHelper &Helper,
37 MachineInstr &MI) const override;
38
39private:
40 bool legalizeBuildVector(MachineInstr &MI, MachineRegisterInfo &MRI,
41 LegalizerHelper &Helper) const;
42
43 bool legalizeFPTOUI(MachineInstr &MI, MachineRegisterInfo &MRI,
44 LegalizerHelper &Helper) const;
45
46 bool legalizeUITOFP(MachineInstr &MI, MachineRegisterInfo &MRI,
47 LegalizerHelper &Helper) const;
48
49 bool legalizeNarrowingStore(MachineInstr &MI, MachineRegisterInfo &MRI,
50 LegalizerHelper &Helper) const;
51
52 bool legalizeSITOFP(MachineInstr &MI, MachineRegisterInfo &MRI,
53 LegalizerHelper &Helper) const;
54
55 bool legalizeFPTOSI(MachineInstr &MI, MachineRegisterInfo &MRI,
56 LegalizerHelper &Helper) const;
57};
58} // namespace llvm
59#endif
60