LLVM: lib/Target/BPF/MCTargetDesc/BPFMCTargetDesc.cpp Source File (original) (raw)
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25#define GET_INSTRINFO_MC_DESC
26#define ENABLE_INSTR_PREDICATE_VERIFIER
27#include "BPFGenInstrInfo.inc"
28
29#define GET_SUBTARGETINFO_MC_DESC
30#include "BPFGenSubtargetInfo.inc"
31
32#define GET_REGINFO_MC_DESC
33#include "BPFGenRegisterInfo.inc"
34
35using namespace llvm;
36
39 InitBPFMCInstrInfo(X);
40 return X;
41}
42
45 InitBPFMCRegisterInfo(X, BPF::R11 );
46 return X;
47}
48
51 return createBPFMCSubtargetInfoImpl(TT, CPU, CPU, FS);
52}
53
56 std::unique_ptr &&MAB,
57 std::unique_ptr &&OW,
58 std::unique_ptr &&Emitter) {
61}
62
64 unsigned SyntaxVariant,
68 if (SyntaxVariant == 0)
70 return nullptr;
71}
72
73namespace {
74
76public:
77 explicit BPFMCInstrAnalysis(const MCInstrInfo *Info)
78 : MCInstrAnalysis(Info) {}
79
80 bool evaluateBranch(const MCInst &Inst, uint64_t Addr, uint64_t Size,
81 uint64_t &Target) const override {
82
83 int32_t Imm;
84 if (isConditionalBranch(Inst)) {
85 if (Inst.getOpcode() == BPF::JCOND)
87 else
92 else
94 } else
95 return false;
96
98 return true;
99 }
100};
101
102}
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105 return new BPFMCInstrAnalysis(Info);
106}
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132 }
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151 } else {
156 }
157}
unsigned const MachineRegisterInfo * MRI
static bool isUnconditionalBranch(Instruction *Term)
static MCStreamer * createBPFMCStreamer(const Triple &T, MCContext &Ctx, std::unique_ptr< MCAsmBackend > &&MAB, std::unique_ptr< MCObjectWriter > &&OW, std::unique_ptr< MCCodeEmitter > &&Emitter)
Definition BPFMCTargetDesc.cpp:55
LLVM_ABI LLVM_EXTERNAL_VISIBILITY void LLVMInitializeBPFTargetMC()
Definition BPFMCTargetDesc.cpp:108
static MCSubtargetInfo * createBPFMCSubtargetInfo(const Triple &TT, StringRef CPU, StringRef FS)
Definition BPFMCTargetDesc.cpp:49
static MCInstrAnalysis * createBPFInstrAnalysis(const MCInstrInfo *Info)
Definition BPFMCTargetDesc.cpp:104
static MCInstPrinter * createBPFMCInstPrinter(const Triple &T, unsigned SyntaxVariant, const MCAsmInfo &MAI, const MCInstrInfo &MII, const MCRegisterInfo &MRI)
Definition BPFMCTargetDesc.cpp:63
static MCInstrInfo * createBPFMCInstrInfo()
Definition BPFMCTargetDesc.cpp:37
static MCRegisterInfo * createBPFMCRegisterInfo(const Triple &TT)
Definition BPFMCTargetDesc.cpp:43
Analysis containing CSE Info
#define LLVM_EXTERNAL_VISIBILITY
dxil DXContainer Global Emitter
static TableGen::Emitter::OptClass< SkeletonEmitter > X("gen-skeleton-class", "Generate example skeleton class")
This class is intended to be used as a base class for asm properties and features specific to the tar...
Context object for machine code objects.
This is an instance of a target assembly language printer that converts an MCInst to valid target ass...
unsigned getOpcode() const
const MCOperand & getOperand(unsigned i) const
Interface to description of machine instruction set.
MCRegisterInfo base class - We assume that the target defines a static array of MCRegisterDesc object...
Streaming machine code generation interface.
Generic base class for all target subtargets.
StringRef - Represent a constant reference to a string, i.e.
Target - Wrapper for Target specific information.
Triple - Helper class for working with autoconf configuration names.
constexpr bool IsLittleEndianHost
This is an optimization pass for GlobalISel generic memory operations.
LLVM_ABI MCStreamer * createELFStreamer(MCContext &Ctx, std::unique_ptr< MCAsmBackend > &&TAB, std::unique_ptr< MCObjectWriter > &&OW, std::unique_ptr< MCCodeEmitter > &&CE)
Target & getTheBPFleTarget()
MCAsmBackend * createBPFAsmBackend(const Target &T, const MCSubtargetInfo &STI, const MCRegisterInfo &MRI, const MCTargetOptions &Options)
Target & getTheBPFbeTarget()
MCAsmBackend * createBPFbeAsmBackend(const Target &T, const MCSubtargetInfo &STI, const MCRegisterInfo &MRI, const MCTargetOptions &Options)
Target & getTheBPFTarget()
MCCodeEmitter * createBPFbeMCCodeEmitter(const MCInstrInfo &MCII, MCContext &Ctx)
MCCodeEmitter * createBPFMCCodeEmitter(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 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 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.