LLVM  13.0.0git
WebAssemblyMCTargetDesc.cpp
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1 //===-- WebAssemblyMCTargetDesc.cpp - WebAssembly Target Descriptions -----===//
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 provides WebAssembly-specific target descriptions.
11 ///
12 //===----------------------------------------------------------------------===//
13 
19 #include "llvm/MC/MCInstrInfo.h"
20 #include "llvm/MC/MCRegisterInfo.h"
24 using namespace llvm;
25 
26 #define DEBUG_TYPE "wasm-mc-target-desc"
27 
28 #define GET_INSTRINFO_MC_DESC
29 #include "WebAssemblyGenInstrInfo.inc"
30 
31 #define GET_SUBTARGETINFO_MC_DESC
32 #include "WebAssemblyGenSubtargetInfo.inc"
33 
34 #define GET_REGINFO_MC_DESC
35 #include "WebAssemblyGenRegisterInfo.inc"
36 
37 static MCAsmInfo *createMCAsmInfo(const MCRegisterInfo & /*MRI*/,
38  const Triple &TT,
39  const MCTargetOptions &Options) {
40  return new WebAssemblyMCAsmInfo(TT, Options);
41 }
42 
44  auto *X = new MCInstrInfo();
45  InitWebAssemblyMCInstrInfo(X);
46  return X;
47 }
48 
49 static MCRegisterInfo *createMCRegisterInfo(const Triple & /*T*/) {
50  auto *X = new MCRegisterInfo();
51  InitWebAssemblyMCRegisterInfo(X, 0);
52  return X;
53 }
54 
56  unsigned SyntaxVariant,
57  const MCAsmInfo &MAI,
58  const MCInstrInfo &MII,
59  const MCRegisterInfo &MRI) {
60  assert(SyntaxVariant == 0 && "WebAssembly only has one syntax variant");
61  return new WebAssemblyInstPrinter(MAI, MII, MRI);
62 }
63 
65  const MCRegisterInfo & /*MRI*/,
66  MCContext &Ctx) {
67  return createWebAssemblyMCCodeEmitter(MCII);
68 }
69 
70 static MCAsmBackend *createAsmBackend(const Target & /*T*/,
71  const MCSubtargetInfo &STI,
72  const MCRegisterInfo & /*MRI*/,
73  const MCTargetOptions & /*Options*/) {
75 }
76 
78  StringRef FS) {
79  return createWebAssemblyMCSubtargetInfoImpl(TT, CPU, /*TuneCPU*/ CPU, FS);
80 }
81 
82 static MCTargetStreamer *
84  return new WebAssemblyTargetWasmStreamer(S);
85 }
86 
89  MCInstPrinter * /*InstPrint*/,
90  bool /*isVerboseAsm*/) {
91  return new WebAssemblyTargetAsmStreamer(S, OS);
92 }
93 
95  return new WebAssemblyTargetNullStreamer(S);
96 }
97 
98 // Force static initialization.
100  for (Target *T :
102  // Register the MC asm info.
104 
105  // Register the MC instruction info.
107 
108  // Register the MC register info.
110 
111  // Register the MCInstPrinter.
113 
114  // Register the MC code emitter.
116 
117  // Register the ASM Backend.
119 
120  // Register the MC subtarget info.
122 
123  // Register the object target streamer.
126  // Register the asm target streamer.
128  // Register the null target streamer.
130  }
131 }
132 
134  switch (Ty.SimpleTy) {
135  case MVT::i32:
136  return wasm::ValType::I32;
137  case MVT::i64:
138  return wasm::ValType::I64;
139  case MVT::f32:
140  return wasm::ValType::F32;
141  case MVT::f64:
142  return wasm::ValType::F64;
143  case MVT::v16i8:
144  case MVT::v8i16:
145  case MVT::v4i32:
146  case MVT::v2i64:
147  case MVT::v4f32:
148  case MVT::v2f64:
149  return wasm::ValType::V128;
150  case MVT::funcref:
151  return wasm::ValType::FUNCREF;
152  case MVT::externref:
154  default:
155  llvm_unreachable("unexpected type");
156  }
157 }
llvm
Definition: AllocatorList.h:23
llvm::wasm::ValType::I32
@ I32
llvm::WebAssemblyTargetNullStreamer
This part is for null output.
Definition: WebAssemblyTargetStreamer.h:101
llvm::getTheWebAssemblyTarget32
Target & getTheWebAssemblyTarget32()
Definition: WebAssemblyTargetInfo.cpp:20
llvm::MCContext
Context object for machine code objects.
Definition: MCContext.h:71
llvm::Target
Target - Wrapper for Target specific information.
Definition: TargetRegistry.h:124
llvm::MCAsmInfo
This class is intended to be used as a base class for asm properties and features specific to the tar...
Definition: MCAsmInfo.h:56
ErrorHandling.h
createAsmBackend
static MCAsmBackend * createAsmBackend(const Target &, const MCSubtargetInfo &STI, const MCRegisterInfo &, const MCTargetOptions &)
Definition: WebAssemblyMCTargetDesc.cpp:70
llvm::TargetRegistry::RegisterAsmTargetStreamer
static void RegisterAsmTargetStreamer(Target &T, Target::AsmTargetStreamerCtorTy Fn)
Definition: TargetRegistry.h:876
llvm::Triple
Triple - Helper class for working with autoconf configuration names.
Definition: Triple.h:45
createMCInstrInfo
static MCInstrInfo * createMCInstrInfo()
Definition: WebAssemblyMCTargetDesc.cpp:43
T
#define T
Definition: Mips16ISelLowering.cpp:341
llvm::MVT::v2f64
@ v2f64
Definition: MachineValueType.h:158
llvm::TargetRegistry::RegisterMCInstPrinter
static void RegisterMCInstPrinter(Target &T, Target::MCInstPrinterCtorTy Fn)
RegisterMCInstPrinter - Register a MCInstPrinter implementation for the given target.
Definition: TargetRegistry.h:838
llvm::MVT::funcref
@ funcref
Definition: MachineValueType.h:255
llvm::MCStreamer
Streaming machine code generation interface.
Definition: MCStreamer.h:197
llvm::MCAsmBackend
Generic interface to target specific assembler backends.
Definition: MCAsmBackend.h:36
llvm::wasm::ValType::F64
@ F64
llvm::X86AS::FS
@ FS
Definition: X86.h:183
llvm::MVT::f64
@ f64
Definition: MachineValueType.h:53
llvm::createWebAssemblyMCCodeEmitter
MCCodeEmitter * createWebAssemblyMCCodeEmitter(const MCInstrInfo &MCII)
Definition: WebAssemblyMCCodeEmitter.cpp:55
llvm::MCSubtargetInfo::getTargetTriple
const Triple & getTargetTriple() const
Definition: MCSubtargetInfo.h:107
MCInstrInfo.h
llvm::MVT::SimpleTy
SimpleValueType SimpleTy
Definition: MachineValueType.h:302
llvm::wasm::ValType::F32
@ F32
MCSubtargetInfo.h
createAsmTargetStreamer
static MCTargetStreamer * createAsmTargetStreamer(MCStreamer &S, formatted_raw_ostream &OS, MCInstPrinter *, bool)
Definition: WebAssemblyMCTargetDesc.cpp:87
createCodeEmitter
static MCCodeEmitter * createCodeEmitter(const MCInstrInfo &MCII, const MCRegisterInfo &, MCContext &Ctx)
Definition: WebAssemblyMCTargetDesc.cpp:64
llvm::wasm::ValType
ValType
Definition: Wasm.h:387
llvm::MCTargetStreamer
Target specific streamer interface.
Definition: MCStreamer.h:91
createMCAsmInfo
static MCAsmInfo * createMCAsmInfo(const MCRegisterInfo &, const Triple &TT, const MCTargetOptions &Options)
Definition: WebAssemblyMCTargetDesc.cpp:37
llvm::RegisterMCAsmInfoFn
RegisterMCAsmInfoFn - Helper template for registering a target assembly info implementation.
Definition: TargetRegistry.h:973
X
static GCMetadataPrinterRegistry::Add< ErlangGCPrinter > X("erlang", "erlang-compatible garbage collector")
WebAssemblyMCTargetDesc.h
WebAssemblyTargetStreamer.h
llvm::WebAssemblyMCAsmInfo
Definition: WebAssemblyMCAsmInfo.h:23
createNullTargetStreamer
static MCTargetStreamer * createNullTargetStreamer(MCStreamer &S)
Definition: WebAssemblyMCTargetDesc.cpp:94
llvm::MVT::v16i8
@ v16i8
Definition: MachineValueType.h:77
llvm::TargetRegistry::RegisterMCAsmBackend
static void RegisterMCAsmBackend(Target &T, Target::MCAsmBackendCtorTy Fn)
RegisterMCAsmBackend - Register a MCAsmBackend implementation for the given target.
Definition: TargetRegistry.h:785
llvm::MVT::v2i64
@ v2i64
Definition: MachineValueType.h:109
llvm::MCInstPrinter
This is an instance of a target assembly language printer that converts an MCInst to valid target ass...
Definition: MCInstPrinter.h:43
LLVM_EXTERNAL_VISIBILITY
#define LLVM_EXTERNAL_VISIBILITY
Definition: Compiler.h:132
llvm::wasm::ValType::EXTERNREF
@ EXTERNREF
llvm::MVT::externref
@ externref
Definition: MachineValueType.h:256
llvm::wasm::ValType::I64
@ I64
llvm::wasm::ValType::FUNCREF
@ FUNCREF
WebAssemblyInstPrinter.h
WebAssemblyTargetInfo.h
llvm::TargetRegistry::RegisterObjectTargetStreamer
static void RegisterObjectTargetStreamer(Target &T, Target::ObjectTargetStreamerCtorTy Fn)
Definition: TargetRegistry.h:882
MCRegisterInfo.h
llvm::WebAssembly::toValType
wasm::ValType toValType(const MVT &Ty)
Definition: WebAssemblyMCTargetDesc.cpp:133
llvm::MVT::v4f32
@ v4f32
Definition: MachineValueType.h:145
llvm::formatted_raw_ostream
formatted_raw_ostream - A raw_ostream that wraps another one and keeps track of line and column posit...
Definition: FormattedStream.h:30
createMCRegisterInfo
static MCRegisterInfo * createMCRegisterInfo(const Triple &)
Definition: WebAssemblyMCTargetDesc.cpp:49
assert
assert(ImpDefSCC.getReg()==AMDGPU::SCC &&ImpDefSCC.isDef())
llvm::MVT
Machine Value Type.
Definition: MachineValueType.h:30
llvm::TargetRegistry::RegisterMCSubtargetInfo
static void RegisterMCSubtargetInfo(Target &T, Target::MCSubtargetInfoCtorFnTy Fn)
RegisterMCSubtargetInfo - Register a MCSubtargetInfo implementation for the given target.
Definition: TargetRegistry.h:758
llvm::MCTargetOptions
Definition: MCTargetOptions.h:36
llvm::MVT::i64
@ i64
Definition: MachineValueType.h:44
llvm::StringRef
StringRef - Represent a constant reference to a string, i.e.
Definition: StringRef.h:57
llvm_unreachable
#define llvm_unreachable(msg)
Marks that the current location is not supposed to be reachable.
Definition: ErrorHandling.h:136
createMCSubtargetInfo
static MCSubtargetInfo * createMCSubtargetInfo(const Triple &TT, StringRef CPU, StringRef FS)
Definition: WebAssemblyMCTargetDesc.cpp:77
S
add sub stmia L5 ldr r0 bl L_printf $stub Instead of a and a wouldn t it be better to do three moves *Return an aggregate type is even return S
Definition: README.txt:210
llvm::MVT::v4i32
@ v4i32
Definition: MachineValueType.h:96
llvm::MCRegisterInfo
MCRegisterInfo base class - We assume that the target defines a static array of MCRegisterDesc object...
Definition: MCRegisterInfo.h:135
MRI
unsigned const MachineRegisterInfo * MRI
Definition: AArch64AdvSIMDScalarPass.cpp:105
llvm::WebAssemblyInstPrinter
Definition: WebAssemblyInstPrinter.h:26
llvm::getTheWebAssemblyTarget64
Target & getTheWebAssemblyTarget64()
Definition: WebAssemblyTargetInfo.cpp:24
createMCInstPrinter
static MCInstPrinter * createMCInstPrinter(const Triple &, unsigned SyntaxVariant, const MCAsmInfo &MAI, const MCInstrInfo &MII, const MCRegisterInfo &MRI)
Definition: WebAssemblyMCTargetDesc.cpp:55
llvm::WebAssemblyTargetWasmStreamer
This part is for Wasm object output.
Definition: WebAssemblyTargetStreamer.h:81
llvm::TargetRegistry::RegisterMCInstrInfo
static void RegisterMCInstrInfo(Target &T, Target::MCInstrInfoCtorFnTy Fn)
RegisterMCInstrInfo - Register a MCInstrInfo implementation for the given target.
Definition: TargetRegistry.h:725
llvm::TargetRegistry::RegisterMCCodeEmitter
static void RegisterMCCodeEmitter(Target &T, Target::MCCodeEmitterCtorTy Fn)
RegisterMCCodeEmitter - Register a MCCodeEmitter implementation for the given target.
Definition: TargetRegistry.h:851
llvm::MCInstrInfo
Interface to description of machine instruction set.
Definition: MCInstrInfo.h:25
llvm::MCCodeEmitter
MCCodeEmitter - Generic instruction encoding interface.
Definition: MCCodeEmitter.h:21
llvm::TargetRegistry::RegisterMCRegInfo
static void RegisterMCRegInfo(Target &T, Target::MCRegInfoCtorFnTy Fn)
RegisterMCRegInfo - Register a MCRegisterInfo implementation for the given target.
Definition: TargetRegistry.h:745
llvm::MVT::v8i16
@ v8i16
Definition: MachineValueType.h:87
llvm::WebAssemblyTargetAsmStreamer
This part is for ascii assembly output.
Definition: WebAssemblyTargetStreamer.h:62
llvm::MVT::i32
@ i32
Definition: MachineValueType.h:43
WebAssemblyMCAsmInfo.h
llvm::TargetRegistry::RegisterNullTargetStreamer
static void RegisterNullTargetStreamer(Target &T, Target::NullTargetStreamerCtorTy Fn)
Definition: TargetRegistry.h:871
llvm::wasm::ValType::V128
@ V128
LLVMInitializeWebAssemblyTargetMC
LLVM_EXTERNAL_VISIBILITY void LLVMInitializeWebAssemblyTargetMC()
Definition: WebAssemblyMCTargetDesc.cpp:99
createObjectTargetStreamer
static MCTargetStreamer * createObjectTargetStreamer(MCStreamer &S, const MCSubtargetInfo &STI)
Definition: WebAssemblyMCTargetDesc.cpp:83
llvm::createWebAssemblyAsmBackend
MCAsmBackend * createWebAssemblyAsmBackend(const Triple &TT)
Definition: WebAssemblyAsmBackend.cpp:126
TargetRegistry.h
llvm::MCSubtargetInfo
Generic base class for all target subtargets.
Definition: MCSubtargetInfo.h:75
llvm::MVT::f32
@ f32
Definition: MachineValueType.h:52