1//===-- VESubtarget.h - Define Subtarget for the VE -------------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file declares the VE specific subclass of TargetSubtargetInfo.
10//
11//===----------------------------------------------------------------------===//
12
13#ifndef LLVM_LIB_TARGET_VE_VESUBTARGET_H
14#define LLVM_LIB_TARGET_VE_VESUBTARGET_H
15
16#include "VEFrameLowering.h"
17#include "VEISelLowering.h"
18#include "VEInstrInfo.h"
19#include "llvm/CodeGen/SelectionDAGTargetInfo.h"
20#include "llvm/CodeGen/TargetFrameLowering.h"
21#include "llvm/CodeGen/TargetSubtargetInfo.h"
22#include "llvm/IR/DataLayout.h"
23#include <string>
24
25#define GET_SUBTARGETINFO_HEADER
26#include "VEGenSubtargetInfo.inc"
27
28namespace llvm {
29class StringRef;
30
31class VESubtarget : public VEGenSubtargetInfo {
32  Triple TargetTriple;
33  virtual void anchor();
34
35  VEInstrInfo InstrInfo;
36  VETargetLowering TLInfo;
37  SelectionDAGTargetInfo TSInfo;
38  VEFrameLowering FrameLowering;
39
40public:
41  VESubtarget(const Triple &TT, const std::string &CPU, const std::string &FS,
42              const TargetMachine &TM);
43
44  const VEInstrInfo *getInstrInfo() const override { return &InstrInfo; }
45  const TargetFrameLowering *getFrameLowering() const override {
46    return &FrameLowering;
47  }
48  const VERegisterInfo *getRegisterInfo() const override {
49    return &InstrInfo.getRegisterInfo();
50  }
51  const VETargetLowering *getTargetLowering() const override { return &TLInfo; }
52  const SelectionDAGTargetInfo *getSelectionDAGInfo() const override {
53    return &TSInfo;
54  }
55
56  bool enableMachineScheduler() const override;
57
58  /// ParseSubtargetFeatures - Parses features string setting specified
59  /// subtarget options.  Definition of function is auto generated by tblgen.
60  void ParseSubtargetFeatures(StringRef CPU, StringRef FS);
61  VESubtarget &initializeSubtargetDependencies(StringRef CPU, StringRef FS);
62
63  /// Given a actual stack size as determined by FrameInfo, this function
64  /// returns adjusted framesize which includes space for register window
65  /// spills and arguments.
66  int getAdjustedFrameSize(int stackSize) const;
67
68  bool isTargetLinux() const { return TargetTriple.isOSLinux(); }
69};
70
71} // namespace llvm
72
73#endif
74