xref: /freebsd-src/contrib/llvm-project/llvm/lib/Target/VE/VESubtarget.h (revision 5ffd83dbcc34f10e07f6d3e968ae6365869615f4)
1480093f4SDimitry Andric //===-- VESubtarget.h - Define Subtarget for the VE -------------*- C++ -*-===//
2480093f4SDimitry Andric //
3480093f4SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4480093f4SDimitry Andric // See https://llvm.org/LICENSE.txt for license information.
5480093f4SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6480093f4SDimitry Andric //
7480093f4SDimitry Andric //===----------------------------------------------------------------------===//
8480093f4SDimitry Andric //
9480093f4SDimitry Andric // This file declares the VE specific subclass of TargetSubtargetInfo.
10480093f4SDimitry Andric //
11480093f4SDimitry Andric //===----------------------------------------------------------------------===//
12480093f4SDimitry Andric 
13480093f4SDimitry Andric #ifndef LLVM_LIB_TARGET_VE_VESUBTARGET_H
14480093f4SDimitry Andric #define LLVM_LIB_TARGET_VE_VESUBTARGET_H
15480093f4SDimitry Andric 
16480093f4SDimitry Andric #include "VEFrameLowering.h"
17480093f4SDimitry Andric #include "VEISelLowering.h"
18480093f4SDimitry Andric #include "VEInstrInfo.h"
19480093f4SDimitry Andric #include "llvm/CodeGen/SelectionDAGTargetInfo.h"
20480093f4SDimitry Andric #include "llvm/CodeGen/TargetFrameLowering.h"
21480093f4SDimitry Andric #include "llvm/CodeGen/TargetSubtargetInfo.h"
22480093f4SDimitry Andric #include "llvm/IR/DataLayout.h"
23480093f4SDimitry Andric #include <string>
24480093f4SDimitry Andric 
25480093f4SDimitry Andric #define GET_SUBTARGETINFO_HEADER
26480093f4SDimitry Andric #include "VEGenSubtargetInfo.inc"
27480093f4SDimitry Andric 
28480093f4SDimitry Andric namespace llvm {
29480093f4SDimitry Andric class StringRef;
30480093f4SDimitry Andric 
31480093f4SDimitry Andric class VESubtarget : public VEGenSubtargetInfo {
32480093f4SDimitry Andric   Triple TargetTriple;
33480093f4SDimitry Andric   virtual void anchor();
34480093f4SDimitry Andric 
35480093f4SDimitry Andric   VEInstrInfo InstrInfo;
36480093f4SDimitry Andric   VETargetLowering TLInfo;
37480093f4SDimitry Andric   SelectionDAGTargetInfo TSInfo;
38480093f4SDimitry Andric   VEFrameLowering FrameLowering;
39480093f4SDimitry Andric 
40480093f4SDimitry Andric public:
41480093f4SDimitry Andric   VESubtarget(const Triple &TT, const std::string &CPU, const std::string &FS,
42480093f4SDimitry Andric               const TargetMachine &TM);
43480093f4SDimitry Andric 
44480093f4SDimitry Andric   const VEInstrInfo *getInstrInfo() const override { return &InstrInfo; }
45*5ffd83dbSDimitry Andric   const VEFrameLowering *getFrameLowering() const override {
46480093f4SDimitry Andric     return &FrameLowering;
47480093f4SDimitry Andric   }
48480093f4SDimitry Andric   const VERegisterInfo *getRegisterInfo() const override {
49480093f4SDimitry Andric     return &InstrInfo.getRegisterInfo();
50480093f4SDimitry Andric   }
51480093f4SDimitry Andric   const VETargetLowering *getTargetLowering() const override { return &TLInfo; }
52480093f4SDimitry Andric   const SelectionDAGTargetInfo *getSelectionDAGInfo() const override {
53480093f4SDimitry Andric     return &TSInfo;
54480093f4SDimitry Andric   }
55480093f4SDimitry Andric 
56480093f4SDimitry Andric   bool enableMachineScheduler() const override;
57480093f4SDimitry Andric 
58480093f4SDimitry Andric   /// ParseSubtargetFeatures - Parses features string setting specified
59480093f4SDimitry Andric   /// subtarget options.  Definition of function is auto generated by tblgen.
60480093f4SDimitry Andric   void ParseSubtargetFeatures(StringRef CPU, StringRef FS);
61480093f4SDimitry Andric   VESubtarget &initializeSubtargetDependencies(StringRef CPU, StringRef FS);
62480093f4SDimitry Andric 
63480093f4SDimitry Andric   /// Given a actual stack size as determined by FrameInfo, this function
64480093f4SDimitry Andric   /// returns adjusted framesize which includes space for register window
65480093f4SDimitry Andric   /// spills and arguments.
66480093f4SDimitry Andric   int getAdjustedFrameSize(int stackSize) const;
67480093f4SDimitry Andric 
68480093f4SDimitry Andric   bool isTargetLinux() const { return TargetTriple.isOSLinux(); }
69480093f4SDimitry Andric };
70480093f4SDimitry Andric 
71480093f4SDimitry Andric } // namespace llvm
72480093f4SDimitry Andric 
73480093f4SDimitry Andric #endif
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