LLVM  13.0.0git
WebAssemblySubtarget.h
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1 //=- WebAssemblySubtarget.h - Define Subtarget for the WebAssembly -*- 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 /// \file
10 /// This file declares the WebAssembly-specific subclass of
11 /// TargetSubtarget.
12 ///
13 //===----------------------------------------------------------------------===//
14 
15 #ifndef LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYSUBTARGET_H
16 #define LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYSUBTARGET_H
17 
20 #include "WebAssemblyInstrInfo.h"
23 #include <string>
24 
25 #define GET_SUBTARGETINFO_ENUM
26 #define GET_SUBTARGETINFO_HEADER
27 #include "WebAssemblyGenSubtargetInfo.inc"
28 
29 namespace llvm {
30 
31 // Defined in WebAssemblyGenSubtargetInfo.inc.
32 extern const SubtargetFeatureKV
33  WebAssemblyFeatureKV[WebAssembly::NumSubtargetFeatures];
34 
36  enum SIMDEnum {
37  NoSIMD,
38  SIMD128,
39  } SIMDLevel = NoSIMD;
40 
41  bool HasAtomics = false;
42  bool HasNontrappingFPToInt = false;
43  bool HasSignExt = false;
44  bool HasExceptionHandling = false;
45  bool HasBulkMemory = false;
46  bool HasMultivalue = false;
47  bool HasMutableGlobals = false;
48  bool HasTailCall = false;
49  bool HasReferenceTypes = false;
50 
51  /// What processor and OS we're targeting.
52  Triple TargetTriple;
53 
54  WebAssemblyFrameLowering FrameLowering;
55  WebAssemblyInstrInfo InstrInfo;
58 
59  WebAssemblySubtarget &initializeSubtargetDependencies(StringRef CPU,
60  StringRef FS);
61 
62 public:
63  /// This constructor initializes the data members to match that
64  /// of the specified triple.
65  WebAssemblySubtarget(const Triple &TT, const std::string &CPU,
66  const std::string &FS, const TargetMachine &TM);
67 
69  return &TSInfo;
70  }
71  const WebAssemblyFrameLowering *getFrameLowering() const override {
72  return &FrameLowering;
73  }
74  const WebAssemblyTargetLowering *getTargetLowering() const override {
75  return &TLInfo;
76  }
77  const WebAssemblyInstrInfo *getInstrInfo() const override {
78  return &InstrInfo;
79  }
80  const WebAssemblyRegisterInfo *getRegisterInfo() const override {
81  return &getInstrInfo()->getRegisterInfo();
82  }
83  const Triple &getTargetTriple() const { return TargetTriple; }
84  bool enableAtomicExpand() const override;
85  bool enableIndirectBrExpand() const override { return true; }
86  bool enableMachineScheduler() const override;
87  bool useAA() const override;
88 
89  // Predicates used by WebAssemblyInstrInfo.td.
90  bool hasAddr64() const { return TargetTriple.isArch64Bit(); }
91  bool hasSIMD128() const { return SIMDLevel >= SIMD128; }
92  bool hasAtomics() const { return HasAtomics; }
93  bool hasNontrappingFPToInt() const { return HasNontrappingFPToInt; }
94  bool hasSignExt() const { return HasSignExt; }
95  bool hasExceptionHandling() const { return HasExceptionHandling; }
96  bool hasBulkMemory() const { return HasBulkMemory; }
97  bool hasMultivalue() const { return HasMultivalue; }
98  bool hasMutableGlobals() const { return HasMutableGlobals; }
99  bool hasTailCall() const { return HasTailCall; }
100  bool hasReferenceTypes() const { return HasReferenceTypes; }
101 
102  /// Parses features string setting specified subtarget options. Definition of
103  /// function is auto generated by tblgen.
105 };
106 
107 } // end namespace llvm
108 
109 #endif
llvm::WebAssemblySubtarget::getRegisterInfo
const WebAssemblyRegisterInfo * getRegisterInfo() const override
Definition: WebAssemblySubtarget.h:80
llvm::WebAssemblyFeatureKV
const SubtargetFeatureKV WebAssemblyFeatureKV[WebAssembly::NumSubtargetFeatures]
llvm::WebAssemblySubtarget::getTargetTriple
const Triple & getTargetTriple() const
Definition: WebAssemblySubtarget.h:83
llvm
Definition: AllocatorList.h:23
llvm::SystemZISD::TM
@ TM
Definition: SystemZISelLowering.h:65
WebAssemblyISelLowering.h
llvm::WebAssemblySubtarget::hasTailCall
bool hasTailCall() const
Definition: WebAssemblySubtarget.h:99
llvm::WebAssemblyFrameLowering
Definition: WebAssemblyFrameLowering.h:22
llvm::WebAssemblySubtarget::hasExceptionHandling
bool hasExceptionHandling() const
Definition: WebAssemblySubtarget.h:95
llvm::WebAssemblySubtarget::WebAssemblySubtarget
WebAssemblySubtarget(const Triple &TT, const std::string &CPU, const std::string &FS, const TargetMachine &TM)
This constructor initializes the data members to match that of the specified triple.
Definition: WebAssemblySubtarget.cpp:40
llvm::WebAssemblySubtarget::getTargetLowering
const WebAssemblyTargetLowering * getTargetLowering() const override
Definition: WebAssemblySubtarget.h:74
llvm::WebAssemblySubtarget::hasMultivalue
bool hasMultivalue() const
Definition: WebAssemblySubtarget.h:97
llvm::WebAssemblySubtarget::hasMutableGlobals
bool hasMutableGlobals() const
Definition: WebAssemblySubtarget.h:98
WebAssemblySelectionDAGInfo.h
llvm::Triple
Triple - Helper class for working with autoconf configuration names.
Definition: Triple.h:45
llvm::WebAssemblySubtarget::hasAddr64
bool hasAddr64() const
Definition: WebAssemblySubtarget.h:90
llvm::X86AS::FS
@ FS
Definition: X86.h:183
llvm::WebAssemblyRegisterInfo
Definition: WebAssemblyRegisterInfo.h:28
llvm::Triple::isArch64Bit
bool isArch64Bit() const
Test whether the architecture is 64-bit.
Definition: Triple.cpp:1336
llvm::WebAssemblyTargetLowering
Definition: WebAssemblyISelLowering.h:43
WebAssemblyInstrInfo.h
llvm::WebAssemblySubtarget::enableMachineScheduler
bool enableMachineScheduler() const override
Definition: WebAssemblySubtarget.cpp:54
llvm::WebAssemblySubtarget::hasReferenceTypes
bool hasReferenceTypes() const
Definition: WebAssemblySubtarget.h:100
WebAssemblyFrameLowering.h
llvm::WebAssemblySubtarget::hasNontrappingFPToInt
bool hasNontrappingFPToInt() const
Definition: WebAssemblySubtarget.h:93
llvm::WebAssemblySubtarget::getInstrInfo
const WebAssemblyInstrInfo * getInstrInfo() const override
Definition: WebAssemblySubtarget.h:77
llvm::TargetMachine
Primary interface to the complete machine description for the target machine.
Definition: TargetMachine.h:77
llvm::WebAssemblySubtarget::ParseSubtargetFeatures
void ParseSubtargetFeatures(StringRef CPU, StringRef TuneCPU, StringRef FS)
Parses features string setting specified subtarget options.
llvm::WebAssemblySubtarget::enableAtomicExpand
bool enableAtomicExpand() const override
Definition: WebAssemblySubtarget.cpp:49
llvm::StringRef
StringRef - Represent a constant reference to a string, i.e.
Definition: StringRef.h:57
llvm::WebAssemblySubtarget::hasBulkMemory
bool hasBulkMemory() const
Definition: WebAssemblySubtarget.h:96
TargetSubtargetInfo.h
llvm::WebAssemblySubtarget
Definition: WebAssemblySubtarget.h:35
WebAssemblyGenSubtargetInfo
llvm::WebAssemblyInstrInfo
Definition: WebAssemblyInstrInfo.h:38
llvm::WebAssemblySelectionDAGInfo
Definition: WebAssemblySelectionDAGInfo.h:22
llvm::WebAssemblySubtarget::hasSIMD128
bool hasSIMD128() const
Definition: WebAssemblySubtarget.h:91
llvm::WebAssemblySubtarget::getFrameLowering
const WebAssemblyFrameLowering * getFrameLowering() const override
Definition: WebAssemblySubtarget.h:71
llvm::WebAssemblySubtarget::useAA
bool useAA() const override
Definition: WebAssemblySubtarget.cpp:61
llvm::WebAssemblySubtarget::getSelectionDAGInfo
const WebAssemblySelectionDAGInfo * getSelectionDAGInfo() const override
Definition: WebAssemblySubtarget.h:68
llvm::WebAssemblySubtarget::hasAtomics
bool hasAtomics() const
Definition: WebAssemblySubtarget.h:92
llvm::WebAssemblySubtarget::enableIndirectBrExpand
bool enableIndirectBrExpand() const override
Definition: WebAssemblySubtarget.h:85
llvm::WebAssemblyInstrInfo::getRegisterInfo
const WebAssemblyRegisterInfo & getRegisterInfo() const
Definition: WebAssemblyInstrInfo.h:44
llvm::WebAssemblySubtarget::hasSignExt
bool hasSignExt() const
Definition: WebAssemblySubtarget.h:94