LLVM  17.0.0git
AArch64TargetMachine.h
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1 //==-- AArch64TargetMachine.h - Define TargetMachine for AArch64 -*- 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 AArch64 specific subclass of TargetMachine.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #ifndef LLVM_LIB_TARGET_AARCH64_AARCH64TARGETMACHINE_H
14 #define LLVM_LIB_TARGET_AARCH64_AARCH64TARGETMACHINE_H
15 
16 #include "AArch64InstrInfo.h"
17 #include "AArch64Subtarget.h"
18 #include "llvm/IR/DataLayout.h"
20 #include <optional>
21 
22 namespace llvm {
23 
25 protected:
26  std::unique_ptr<TargetLoweringObjectFile> TLOF;
28 
29 public:
30  AArch64TargetMachine(const Target &T, const Triple &TT, StringRef CPU,
32  std::optional<Reloc::Model> RM,
33  std::optional<CodeModel::Model> CM, CodeGenOpt::Level OL,
34  bool JIT, bool IsLittleEndian);
35 
36  ~AArch64TargetMachine() override;
37  const AArch64Subtarget *getSubtargetImpl(const Function &F) const override;
38  // DO NOT IMPLEMENT: There is no such thing as a valid default subtarget,
39  // subtargets are per-function entities based on the target-specific
40  // attributes of each function.
41  const AArch64Subtarget *getSubtargetImpl() const = delete;
42 
43  // Pass Pipeline Configuration
45 
47 
49  return TLOF.get();
50  }
51 
54  const TargetSubtargetInfo *STI) const override;
55 
58  convertFuncInfoToYAML(const MachineFunction &MF) const override;
62  SMRange &SourceRange) const override;
63 
64  /// Returns true if a cast between SrcAS and DestAS is a noop.
65  bool isNoopAddrSpaceCast(unsigned SrcAS, unsigned DestAS) const override {
66  // Addrspacecasts are always noops.
67  return true;
68  }
69 
70 private:
71  bool isLittle;
72 };
73 
74 // AArch64 little endian target machine.
75 //
77  virtual void anchor();
78 
79 public:
80  AArch64leTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
82  std::optional<Reloc::Model> RM,
83  std::optional<CodeModel::Model> CM,
84  CodeGenOpt::Level OL, bool JIT);
85 };
86 
87 // AArch64 big endian target machine.
88 //
90  virtual void anchor();
91 
92 public:
93  AArch64beTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
95  std::optional<Reloc::Model> RM,
96  std::optional<CodeModel::Model> CM,
97  CodeGenOpt::Level OL, bool JIT);
98 };
99 
100 } // end namespace llvm
101 
102 #endif
llvm
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18
llvm::TargetMachine::STI
std::unique_ptr< const MCSubtargetInfo > STI
Definition: TargetMachine.h:109
llvm::TargetOptions
Definition: TargetOptions.h:124
llvm::Function
Definition: Function.h:59
llvm::yaml::MachineFunctionInfo
Targets should override this in a way that mirrors the implementation of llvm::MachineFunctionInfo.
Definition: MIRYamlMapping.h:677
llvm::Target
Target - Wrapper for Target specific information.
Definition: TargetRegistry.h:149
llvm::TargetTransformInfo
This pass provides access to the codegen interfaces that are needed for IR-level transformations.
Definition: TargetTransformInfo.h:172
llvm::AArch64TargetMachine::createMachineFunctionInfo
MachineFunctionInfo * createMachineFunctionInfo(BumpPtrAllocator &Allocator, const Function &F, const TargetSubtargetInfo *STI) const override
Create the target's instance of MachineFunctionInfo.
Definition: AArch64TargetMachine.cpp:836
llvm::AArch64leTargetMachine::AArch64leTargetMachine
AArch64leTargetMachine(const Target &T, const Triple &TT, StringRef CPU, StringRef FS, const TargetOptions &Options, std::optional< Reloc::Model > RM, std::optional< CodeModel::Model > CM, CodeGenOpt::Level OL, bool JIT)
Definition: AArch64TargetMachine.cpp:447
llvm::Triple
Triple - Helper class for working with autoconf configuration names.
Definition: Triple.h:44
llvm::X86AS::FS
@ FS
Definition: X86.h:201
llvm::AArch64TargetMachine::convertFuncInfoToYAML
yaml::MachineFunctionInfo * convertFuncInfoToYAML(const MachineFunction &MF) const override
Allocate and initialize an instance of the YAML representation of the MachineFunctionInfo.
Definition: AArch64TargetMachine.cpp:849
llvm::AArch64TargetMachine::isNoopAddrSpaceCast
bool isNoopAddrSpaceCast(unsigned SrcAS, unsigned DestAS) const override
Returns true if a cast between SrcAS and DestAS is a noop.
Definition: AArch64TargetMachine.h:65
llvm::TargetMachine::RM
Reloc::Model RM
Definition: TargetMachine.h:101
T
#define T
Definition: Mips16ISelLowering.cpp:341
llvm::AArch64TargetMachine::SubtargetMap
StringMap< std::unique_ptr< AArch64Subtarget > > SubtargetMap
Definition: AArch64TargetMachine.h:27
F
#define F(x, y, z)
Definition: MD5.cpp:55
llvm::TargetLoweringObjectFile
Definition: TargetLoweringObjectFile.h:45
llvm::AArch64beTargetMachine::AArch64beTargetMachine
AArch64beTargetMachine(const Target &T, const Triple &TT, StringRef CPU, StringRef FS, const TargetOptions &Options, std::optional< Reloc::Model > RM, std::optional< CodeModel::Model > CM, CodeGenOpt::Level OL, bool JIT)
Definition: AArch64TargetMachine.cpp:455
AArch64InstrInfo.h
TargetMachine.h
llvm::SMDiagnostic
Instances of this class encapsulate one diagnostic report, allowing printing to a raw_ostream as a ca...
Definition: SourceMgr.h:281
llvm::AArch64TargetMachine
Definition: AArch64TargetMachine.h:24
llvm::StringMap
StringMap - This is an unconventional map that is specialized for handling keys that are "strings",...
Definition: StringMap.h:110
llvm::AArch64leTargetMachine
Definition: AArch64TargetMachine.h:76
llvm::TargetPassConfig
Target-Independent Code Generator Pass Configuration Options.
Definition: TargetPassConfig.h:84
llvm::AArch64beTargetMachine
Definition: AArch64TargetMachine.h:89
llvm::EngineKind::JIT
@ JIT
Definition: ExecutionEngine.h:524
llvm::AArch64TargetMachine::AArch64TargetMachine
AArch64TargetMachine(const Target &T, const Triple &TT, StringRef CPU, StringRef FS, const TargetOptions &Options, std::optional< Reloc::Model > RM, std::optional< CodeModel::Model > CM, CodeGenOpt::Level OL, bool JIT, bool IsLittleEndian)
Create an AArch64 architecture model.
Definition: AArch64TargetMachine.cpp:316
llvm::BumpPtrAllocatorImpl
Allocate memory in an ever growing pool, as if by bump-pointer.
Definition: Allocator.h:63
llvm::TargetMachine::Options
TargetOptions Options
Definition: TargetMachine.h:119
llvm::AArch64TargetMachine::TLOF
std::unique_ptr< TargetLoweringObjectFile > TLOF
Definition: AArch64TargetMachine.h:26
llvm::MachineFunction
Definition: MachineFunction.h:258
llvm::AArch64TargetMachine::getObjFileLowering
TargetLoweringObjectFile * getObjFileLowering() const override
Definition: AArch64TargetMachine.h:48
DataLayout.h
llvm::StringRef
StringRef - Represent a constant reference to a string, i.e.
Definition: StringRef.h:50
llvm::TargetSubtargetInfo
TargetSubtargetInfo - Generic base class for all target subtargets.
Definition: TargetSubtargetInfo.h:62
llvm::AArch64TargetMachine::parseMachineFunctionInfo
bool parseMachineFunctionInfo(const yaml::MachineFunctionInfo &, PerFunctionMIParsingState &PFS, SMDiagnostic &Error, SMRange &SourceRange) const override
Parse out the target's MachineFunctionInfo from the YAML reprsentation.
Definition: AArch64TargetMachine.cpp:854
llvm::PerFunctionMIParsingState
Definition: MIParser.h:162
llvm::Error
Lightweight error class with error context and mandatory checking.
Definition: Error.h:156
llvm::LLVMTargetMachine
This class describes a target machine that is implemented with the LLVM target-independent code gener...
Definition: TargetMachine.h:417
llvm::AArch64TargetMachine::createPassConfig
TargetPassConfig * createPassConfig(PassManagerBase &PM) override
Create a pass configuration object to be used by addPassToEmitX methods for generating a pipeline of ...
Definition: AArch64TargetMachine.cpp:532
AArch64Subtarget.h
Allocator
Basic Register Allocator
Definition: RegAllocBasic.cpp:143
llvm::SMRange
Represents a range in source code.
Definition: SMLoc.h:48
llvm::AArch64TargetMachine::getTargetTransformInfo
TargetTransformInfo getTargetTransformInfo(const Function &F) const override
Get a TargetTransformInfo implementation for the target.
Definition: AArch64TargetMachine.cpp:528
llvm::legacy::PassManagerBase
PassManagerBase - An abstract interface to allow code to add passes to a pass manager without having ...
Definition: LegacyPassManager.h:39
llvm::CodeGenOpt::Level
Level
Code generation optimization level.
Definition: CodeGen.h:57
llvm::AArch64Subtarget
Definition: AArch64Subtarget.h:38
llvm::AArch64TargetMachine::createDefaultFuncInfoYAML
yaml::MachineFunctionInfo * createDefaultFuncInfoYAML() const override
Allocate and return a default initialized instance of the YAML representation for the MachineFunction...
Definition: AArch64TargetMachine.cpp:844
llvm::MachineFunctionInfo
MachineFunctionInfo - This class can be derived from and used by targets to hold private target-speci...
Definition: MachineFunction.h:95
llvm::AArch64TargetMachine::~AArch64TargetMachine
~AArch64TargetMachine() override
llvm::AArch64TargetMachine::getSubtargetImpl
const AArch64Subtarget * getSubtargetImpl() const =delete