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 
28 namespace llvm {
29 class StringRef;
30 
31 class VESubtarget : public VEGenSubtargetInfo {
32   Triple TargetTriple;
33   virtual void anchor();
34 
35   VEInstrInfo InstrInfo;
36   VETargetLowering TLInfo;
37   SelectionDAGTargetInfo TSInfo;
38   VEFrameLowering FrameLowering;
39 
40 public:
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