LLVM 20.0.0git
AMDGPUMCTargetDesc.cpp
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1//===-- AMDGPUMCTargetDesc.cpp - AMDGPU 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 AMDGPU specific target descriptions.
11//
12//===----------------------------------------------------------------------===//
13
14#include "AMDGPUMCTargetDesc.h"
15#include "AMDGPUELFStreamer.h"
16#include "AMDGPUInstPrinter.h"
17#include "AMDGPUMCAsmInfo.h"
19#include "R600InstPrinter.h"
20#include "R600MCTargetDesc.h"
27#include "llvm/MC/MCInstrDesc.h"
28#include "llvm/MC/MCInstrInfo.h"
31#include "llvm/MC/MCStreamer.h"
34
35using namespace llvm;
36
37#define GET_INSTRINFO_MC_DESC
38#define ENABLE_INSTR_PREDICATE_VERIFIER
39#include "AMDGPUGenInstrInfo.inc"
40
41#define GET_SUBTARGETINFO_MC_DESC
42#include "AMDGPUGenSubtargetInfo.inc"
43
44#define NoSchedModel NoSchedModelR600
45#define GET_SUBTARGETINFO_MC_DESC
46#include "R600GenSubtargetInfo.inc"
47#undef NoSchedModelR600
48
49#define GET_REGINFO_MC_DESC
50#include "AMDGPUGenRegisterInfo.inc"
51
52#define GET_REGINFO_MC_DESC
53#include "R600GenRegisterInfo.inc"
54
56 MCInstrInfo *X = new MCInstrInfo();
57 InitAMDGPUMCInstrInfo(X);
58 return X;
59}
60
63 if (TT.getArch() == Triple::r600)
64 InitR600MCRegisterInfo(X, 0);
65 else
66 InitAMDGPUMCRegisterInfo(X, AMDGPU::PC_REG);
67 return X;
68}
69
72 InitAMDGPUMCRegisterInfo(X, AMDGPU::PC_REG, DwarfFlavour, DwarfFlavour);
73 return X;
74}
75
76static MCSubtargetInfo *
78 if (TT.getArch() == Triple::r600)
79 return createR600MCSubtargetInfoImpl(TT, CPU, /*TuneCPU*/ CPU, FS);
80
81 MCSubtargetInfo *STI =
82 createAMDGPUMCSubtargetInfoImpl(TT, CPU, /*TuneCPU*/ CPU, FS);
83
84 // FIXME: We should error for the default target.
85 if (!STI->hasFeature(AMDGPU::FeatureWavefrontSize64) &&
86 !STI->hasFeature(AMDGPU::FeatureWavefrontSize32)) {
87 // If there is no default wave size it must be a generation before gfx10,
88 // these have FeatureWavefrontSize64 in their definition already. For gfx10+
89 // set wave32 as a default.
91 ? AMDGPU::FeatureWavefrontSize32
92 : AMDGPU::FeatureWavefrontSize64);
93 }
94
95 return STI;
96}
97
99 unsigned SyntaxVariant,
100 const MCAsmInfo &MAI,
101 const MCInstrInfo &MII,
102 const MCRegisterInfo &MRI) {
103 if (T.getArch() == Triple::r600)
104 return new R600InstPrinter(MAI, MII, MRI);
105 return new AMDGPUInstPrinter(MAI, MII, MRI);
106}
107
108static MCTargetStreamer *
110 MCInstPrinter *InstPrint) {
111 return new AMDGPUTargetAsmStreamer(S, OS);
112}
113
115 MCStreamer &S,
116 const MCSubtargetInfo &STI) {
117 return new AMDGPUTargetELFStreamer(S, STI);
118}
119
121 return new AMDGPUTargetStreamer(S);
122}
123
125 std::unique_ptr<MCAsmBackend> &&MAB,
126 std::unique_ptr<MCObjectWriter> &&OW,
127 std::unique_ptr<MCCodeEmitter> &&Emitter) {
128 return createAMDGPUELFStreamer(T, Context, std::move(MAB), std::move(OW),
129 std::move(Emitter));
130}
131
132namespace {
133
134class AMDGPUMCInstrAnalysis : public MCInstrAnalysis {
135public:
136 explicit AMDGPUMCInstrAnalysis(const MCInstrInfo *Info)
138
139 bool evaluateBranch(const MCInst &Inst, uint64_t Addr, uint64_t Size,
140 uint64_t &Target) const override {
141 if (Inst.getNumOperands() == 0 || !Inst.getOperand(0).isImm() ||
142 Info->get(Inst.getOpcode()).operands()[0].OperandType !=
144 return false;
145
146 int64_t Imm = Inst.getOperand(0).getImm();
147 // Our branches take a simm16.
148 Target = SignExtend64<16>(Imm) * 4 + Addr + Size;
149 return true;
150 }
151};
152
153} // end anonymous namespace
154
156 return new AMDGPUMCInstrAnalysis(Info);
157}
158
160
164 for (Target *T : {&getTheR600Target(), &getTheGCNTarget()}) {
166
173 }
174
175 // R600 specific registration
180
181 // GCN specific registration
184
191}
unsigned const MachineRegisterInfo * MRI
static MCInstrInfo * createAMDGPUMCInstrInfo()
static MCTargetStreamer * createAMDGPUAsmTargetStreamer(MCStreamer &S, formatted_raw_ostream &OS, MCInstPrinter *InstPrint)
static MCStreamer * createMCStreamer(const Triple &T, MCContext &Context, std::unique_ptr< MCAsmBackend > &&MAB, std::unique_ptr< MCObjectWriter > &&OW, std::unique_ptr< MCCodeEmitter > &&Emitter)
static MCSubtargetInfo * createAMDGPUMCSubtargetInfo(const Triple &TT, StringRef CPU, StringRef FS)
static MCInstrAnalysis * createAMDGPUMCInstrAnalysis(const MCInstrInfo *Info)
static MCTargetStreamer * createAMDGPUNullTargetStreamer(MCStreamer &S)
static MCTargetStreamer * createAMDGPUObjectTargetStreamer(MCStreamer &S, const MCSubtargetInfo &STI)
static MCInstPrinter * createAMDGPUMCInstPrinter(const Triple &T, unsigned SyntaxVariant, const MCAsmInfo &MAI, const MCInstrInfo &MII, const MCRegisterInfo &MRI)
static MCRegisterInfo * createAMDGPUMCRegisterInfo(const Triple &TT)
LLVM_EXTERNAL_VISIBILITY void LLVMInitializeAMDGPUTargetMC()
Provides AMDGPU specific target descriptions.
Analysis containing CSE Info
Definition: CSEInfo.cpp:27
#define LLVM_EXTERNAL_VISIBILITY
Definition: Compiler.h:128
dxil DXContainer Global Emitter
uint64_t Addr
uint64_t Size
static GCMetadataPrinterRegistry::Add< ErlangGCPrinter > X("erlang", "erlang-compatible garbage collector")
Provides R600 specific target descriptions.
raw_pwrite_stream & OS
This class is intended to be used as a base class for asm properties and features specific to the tar...
Definition: MCAsmInfo.h:56
Context object for machine code objects.
Definition: MCContext.h:83
This is an instance of a target assembly language printer that converts an MCInst to valid target ass...
Definition: MCInstPrinter.h:46
Instances of this class represent a single low-level machine instruction.
Definition: MCInst.h:185
unsigned getNumOperands() const
Definition: MCInst.h:209
unsigned getOpcode() const
Definition: MCInst.h:199
const MCOperand & getOperand(unsigned i) const
Definition: MCInst.h:207
virtual bool evaluateBranch(const MCInst &Inst, uint64_t Addr, uint64_t Size, uint64_t &Target) const
Given a branch instruction try to get the address the branch targets.
Interface to description of machine instruction set.
Definition: MCInstrInfo.h:26
int64_t getImm() const
Definition: MCInst.h:81
bool isImm() const
Definition: MCInst.h:63
MCRegisterInfo base class - We assume that the target defines a static array of MCRegisterDesc object...
Streaming machine code generation interface.
Definition: MCStreamer.h:213
Generic base class for all target subtargets.
bool hasFeature(unsigned Feature) const
FeatureBitset ToggleFeature(uint64_t FB)
Toggle a feature and return the re-computed feature bits.
Target specific streamer interface.
Definition: MCStreamer.h:94
StringRef - Represent a constant reference to a string, i.e.
Definition: StringRef.h:51
Target - Wrapper for Target specific information.
Triple - Helper class for working with autoconf configuration names.
Definition: Triple.h:44
formatted_raw_ostream - A raw_ostream that wraps another one and keeps track of line and column posit...
bool isGFX10Plus(const MCSubtargetInfo &STI)
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18
MCAsmBackend * createAMDGPUAsmBackend(const Target &T, const MCSubtargetInfo &STI, const MCRegisterInfo &MRI, const MCTargetOptions &Options)
Target & getTheR600Target()
The target for R600 GPUs.
MCCodeEmitter * createR600MCCodeEmitter(const MCInstrInfo &MCII, MCContext &Ctx)
MCELFStreamer * createAMDGPUELFStreamer(const Triple &T, MCContext &Context, std::unique_ptr< MCAsmBackend > MAB, std::unique_ptr< MCObjectWriter > OW, std::unique_ptr< MCCodeEmitter > Emitter)
Target & getTheGCNTarget()
The target for GCN GPUs.
MCRegisterInfo * createGCNMCRegisterInfo(AMDGPUDwarfFlavour DwarfFlavour)
MCInstrInfo * createR600MCInstrInfo()
MCCodeEmitter * createAMDGPUMCCodeEmitter(const MCInstrInfo &MCII, MCContext &Ctx)
RegisterMCAsmInfo - Helper template for registering a target assembly info implementation.
static void RegisterMCRegInfo(Target &T, Target::MCRegInfoCtorFnTy Fn)
RegisterMCRegInfo - Register a MCRegisterInfo implementation for the given target.
static void RegisterMCAsmBackend(Target &T, Target::MCAsmBackendCtorTy Fn)
RegisterMCAsmBackend - Register a MCAsmBackend implementation for the given target.
static void RegisterMCCodeEmitter(Target &T, Target::MCCodeEmitterCtorTy Fn)
RegisterMCCodeEmitter - Register a MCCodeEmitter implementation for the given target.
static void RegisterMCSubtargetInfo(Target &T, Target::MCSubtargetInfoCtorFnTy Fn)
RegisterMCSubtargetInfo - Register a MCSubtargetInfo implementation for the given target.
static void RegisterObjectTargetStreamer(Target &T, Target::ObjectTargetStreamerCtorTy Fn)
static void RegisterMCInstrAnalysis(Target &T, Target::MCInstrAnalysisCtorFnTy Fn)
RegisterMCInstrAnalysis - Register a MCInstrAnalysis implementation for the given target.
static void RegisterELFStreamer(Target &T, Target::ELFStreamerCtorTy Fn)
static void RegisterNullTargetStreamer(Target &T, Target::NullTargetStreamerCtorTy Fn)
static void RegisterMCInstPrinter(Target &T, Target::MCInstPrinterCtorTy Fn)
RegisterMCInstPrinter - Register a MCInstPrinter implementation for the given target.
static void RegisterMCInstrInfo(Target &T, Target::MCInstrInfoCtorFnTy Fn)
RegisterMCInstrInfo - Register a MCInstrInfo implementation for the given target.
static void RegisterAsmTargetStreamer(Target &T, Target::AsmTargetStreamerCtorTy Fn)