1 | //===-- XtensaSubtarget.h - Define Subtarget for the Xtensa ----*- C++ -*--===// |
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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 Xtensa specific subclass of TargetSubtargetInfo. |
10 | // |
11 | //===----------------------------------------------------------------------===// |
12 | |
13 | #ifndef LLVM_LIB_TARGET_XTENSA_XTENSASUBTARGET_H |
14 | #define LLVM_LIB_TARGET_XTENSA_XTENSASUBTARGET_H |
15 | |
16 | #include "XtensaFrameLowering.h" |
17 | #include "XtensaISelLowering.h" |
18 | #include "XtensaInstrInfo.h" |
19 | #include "XtensaRegisterInfo.h" |
20 | #include "llvm/CodeGen/SelectionDAGTargetInfo.h" |
21 | #include "llvm/CodeGen/TargetSubtargetInfo.h" |
22 | #include "llvm/IR/DataLayout.h" |
23 | #include "llvm/Target/TargetMachine.h" |
24 | |
25 | #define GET_SUBTARGETINFO_HEADER |
26 | #include "XtensaGenSubtargetInfo.inc" |
27 | |
28 | namespace llvm { |
29 | class StringRef; |
30 | |
31 | class XtensaSubtarget : public XtensaGenSubtargetInfo { |
32 | private: |
33 | const Triple &TargetTriple; |
34 | XtensaInstrInfo InstrInfo; |
35 | XtensaTargetLowering TLInfo; |
36 | SelectionDAGTargetInfo TSInfo; |
37 | XtensaFrameLowering FrameLowering; |
38 | |
39 | // Enabled Xtensa Density extension |
40 | bool HasDensity; |
41 | |
42 | XtensaSubtarget &initializeSubtargetDependencies(StringRef CPU, StringRef FS); |
43 | |
44 | public: |
45 | XtensaSubtarget(const Triple &TT, StringRef CPU, StringRef FS, |
46 | const TargetMachine &TM); |
47 | |
48 | const Triple &getTargetTriple() const { return TargetTriple; } |
49 | |
50 | const TargetFrameLowering *getFrameLowering() const override { |
51 | return &FrameLowering; |
52 | } |
53 | const XtensaInstrInfo *getInstrInfo() const override { return &InstrInfo; } |
54 | const XtensaRegisterInfo *getRegisterInfo() const override { |
55 | return &InstrInfo.getRegisterInfo(); |
56 | } |
57 | |
58 | const XtensaTargetLowering *getTargetLowering() const override { |
59 | return &TLInfo; |
60 | } |
61 | const SelectionDAGTargetInfo *getSelectionDAGInfo() const override { |
62 | return &TSInfo; |
63 | } |
64 | |
65 | bool hasDensity() const { return HasDensity; } |
66 | |
67 | // Automatically generated by tblgen. |
68 | void ParseSubtargetFeatures(StringRef CPU, StringRef TuneCPU, StringRef FS); |
69 | }; |
70 | } // end namespace llvm |
71 | |
72 | #endif /* LLVM_LIB_TARGET_XTENSA_XTENSASUBTARGET_H */ |
73 |