/Users/buildslave/jenkins/workspace/clang-stage2-coverage-R/llvm/lib/Target/NVPTX/NVPTXSubtarget.h
Line | Count | Source |
1 | | //=====-- NVPTXSubtarget.h - Define Subtarget for the NVPTX ---*- 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 NVPTX specific subclass of TargetSubtarget. |
10 | | // |
11 | | //===----------------------------------------------------------------------===// |
12 | | |
13 | | #ifndef LLVM_LIB_TARGET_NVPTX_NVPTXSUBTARGET_H |
14 | | #define LLVM_LIB_TARGET_NVPTX_NVPTXSUBTARGET_H |
15 | | |
16 | | #include "NVPTX.h" |
17 | | #include "NVPTXFrameLowering.h" |
18 | | #include "NVPTXISelLowering.h" |
19 | | #include "NVPTXInstrInfo.h" |
20 | | #include "NVPTXRegisterInfo.h" |
21 | | #include "llvm/CodeGen/SelectionDAGTargetInfo.h" |
22 | | #include "llvm/CodeGen/TargetSubtargetInfo.h" |
23 | | #include "llvm/IR/DataLayout.h" |
24 | | #include <string> |
25 | | |
26 | | #define GET_SUBTARGETINFO_HEADER |
27 | | #include "NVPTXGenSubtargetInfo.inc" |
28 | | |
29 | | namespace llvm { |
30 | | |
31 | | class NVPTXSubtarget : public NVPTXGenSubtargetInfo { |
32 | | virtual void anchor(); |
33 | | std::string TargetName; |
34 | | |
35 | | // PTX version x.y is represented as 10*x+y, e.g. 3.1 == 31 |
36 | | unsigned PTXVersion; |
37 | | |
38 | | // SM version x.y is represented as 10*x+y, e.g. 3.1 == 31 |
39 | | unsigned int SmVersion; |
40 | | |
41 | | const NVPTXTargetMachine &TM; |
42 | | NVPTXInstrInfo InstrInfo; |
43 | | NVPTXTargetLowering TLInfo; |
44 | | SelectionDAGTargetInfo TSInfo; |
45 | | |
46 | | // NVPTX does not have any call stack frame, but need a NVPTX specific |
47 | | // FrameLowering class because TargetFrameLowering is abstract. |
48 | | NVPTXFrameLowering FrameLowering; |
49 | | |
50 | | public: |
51 | | /// This constructor initializes the data members to match that |
52 | | /// of the specified module. |
53 | | /// |
54 | | NVPTXSubtarget(const Triple &TT, const std::string &CPU, |
55 | | const std::string &FS, const NVPTXTargetMachine &TM); |
56 | | |
57 | 10.2k | const TargetFrameLowering *getFrameLowering() const override { |
58 | 10.2k | return &FrameLowering; |
59 | 10.2k | } |
60 | 42.0k | const NVPTXInstrInfo *getInstrInfo() const override { return &InstrInfo; } |
61 | 58.8k | const NVPTXRegisterInfo *getRegisterInfo() const override { |
62 | 58.8k | return &InstrInfo.getRegisterInfo(); |
63 | 58.8k | } |
64 | 48.1k | const NVPTXTargetLowering *getTargetLowering() const override { |
65 | 48.1k | return &TLInfo; |
66 | 48.1k | } |
67 | 1.76k | const SelectionDAGTargetInfo *getSelectionDAGInfo() const override { |
68 | 1.76k | return &TSInfo; |
69 | 1.76k | } |
70 | | |
71 | 20 | bool hasAtomAddF64() const { return SmVersion >= 60; } |
72 | 104 | bool hasAtomScope() const { return SmVersion >= 60; } |
73 | 12 | bool hasAtomBitwise64() const { return SmVersion >= 32; } |
74 | 8 | bool hasAtomMinMax64() const { return SmVersion >= 32; } |
75 | 3.11k | bool hasLDG() const { return SmVersion >= 32; } |
76 | 12 | inline bool hasHWROT32() const { return SmVersion >= 32; } |
77 | | bool hasImageHandles() const; |
78 | 5.07k | bool hasFP16Math() const { return SmVersion >= 53; } |
79 | | bool allowFP16Math() const; |
80 | 7.54k | unsigned int getSmVersion() const { return SmVersion; } |
81 | 255 | std::string getTargetName() const { return TargetName; } |
82 | | |
83 | 296 | unsigned getPTXVersion() const { return PTXVersion; } |
84 | | |
85 | | NVPTXSubtarget &initializeSubtargetDependencies(StringRef CPU, StringRef FS); |
86 | | void ParseSubtargetFeatures(StringRef CPU, StringRef FS); |
87 | | }; |
88 | | |
89 | | } // End llvm namespace |
90 | | |
91 | | #endif |