LLVM  14.0.0git
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 
21 namespace llvm {
22 
23 class AArch64RegisterBankInfo;
24 
26 protected:
27  std::unique_ptr<TargetLoweringObjectFile> TLOF;
29 
30 public:
31  AArch64TargetMachine(const Target &T, const Triple &TT, StringRef CPU,
34  CodeGenOpt::Level OL, 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  convertFuncInfoToYAML(const MachineFunction &MF) const override;
58  SMRange &SourceRange) const override;
59 
60  /// Returns true if a cast between SrcAS and DestAS is a noop.
61  bool isNoopAddrSpaceCast(unsigned SrcAS, unsigned DestAS) const override {
62  // Addrspacecasts are always noops.
63  return true;
64  }
65 
66 private:
67  bool isLittle;
68 };
69 
70 // AArch64 little endian target machine.
71 //
73  virtual void anchor();
74 public:
75  AArch64leTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
79  bool JIT);
80 };
81 
82 // AArch64 big endian target machine.
83 //
85  virtual void anchor();
86 public:
87  AArch64beTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
91  bool JIT);
92 };
93 
94 } // end namespace llvm
95 
96 #endif
llvm
---------------------— PointerInfo ------------------------------------—
Definition: AllocatorList.h:23
llvm::TargetOptions
Definition: TargetOptions.h:124
llvm::Function
Definition: Function.h:61
llvm::yaml::MachineFunctionInfo
Targets should override this in a way that mirrors the implementation of llvm::MachineFunctionInfo.
Definition: MIRYamlMapping.h:673
llvm::Target
Target - Wrapper for Target specific information.
Definition: TargetRegistry.h:137
llvm::TargetTransformInfo
This pass provides access to the codegen interfaces that are needed for IR-level transformations.
Definition: TargetTransformInfo.h:168
llvm::AArch64beTargetMachine::AArch64beTargetMachine
AArch64beTargetMachine(const Target &T, const Triple &TT, StringRef CPU, StringRef FS, const TargetOptions &Options, Optional< Reloc::Model > RM, Optional< CodeModel::Model > CM, CodeGenOpt::Level OL, bool JIT)
Definition: AArch64TargetMachine.cpp:426
llvm::Triple
Triple - Helper class for working with autoconf configuration names.
Definition: Triple.h:45
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:768
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:61
llvm::TargetMachine::RM
Reloc::Model RM
Definition: TargetMachine.h:102
llvm::Optional< Reloc::Model >
T
#define T
Definition: Mips16ISelLowering.cpp:341
llvm::AArch64TargetMachine::SubtargetMap
StringMap< std::unique_ptr< AArch64Subtarget > > SubtargetMap
Definition: AArch64TargetMachine.h:28
F
#define F(x, y, z)
Definition: MD5.cpp:56
llvm::TargetLoweringObjectFile
Definition: TargetLoweringObjectFile.h:43
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:251
llvm::AArch64TargetMachine
Definition: AArch64TargetMachine.h:25
llvm::AArch64TargetMachine::getTargetTransformInfo
TargetTransformInfo getTargetTransformInfo(const Function &F) override
Get a TargetTransformInfo implementation for the target.
Definition: AArch64TargetMachine.cpp:495
llvm::StringMap
StringMap - This is an unconventional map that is specialized for handling keys that are "strings",...
Definition: StringMap.h:108
llvm::AArch64leTargetMachine
Definition: AArch64TargetMachine.h:72
llvm::TargetPassConfig
Target-Independent Code Generator Pass Configuration Options.
Definition: TargetPassConfig.h:84
llvm::AArch64beTargetMachine
Definition: AArch64TargetMachine.h:84
llvm::EngineKind::JIT
@ JIT
Definition: ExecutionEngine.h:524
llvm::TargetMachine::Options
TargetOptions Options
Definition: TargetMachine.h:120
llvm::AArch64TargetMachine::TLOF
std::unique_ptr< TargetLoweringObjectFile > TLOF
Definition: AArch64TargetMachine.h:27
llvm::X86AS::FS
@ FS
Definition: X86.h:188
llvm::MachineFunction
Definition: MachineFunction.h:230
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:58
llvm::CodeGenOpt::Level
Level
Definition: CodeGen.h:52
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:773
llvm::PerFunctionMIParsingState
Definition: MIParser.h:162
llvm::Error
Lightweight error class with error context and mandatory checking.
Definition: Error.h:157
llvm::LLVMTargetMachine
This class describes a target machine that is implemented with the LLVM target-independent code gener...
Definition: TargetMachine.h:393
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:499
AArch64Subtarget.h
llvm::SMRange
Represents a range in source code.
Definition: SMLoc.h:48
llvm::legacy::PassManagerBase
PassManagerBase - An abstract interface to allow code to add passes to a pass manager without having ...
Definition: LegacyPassManager.h:39
llvm::AArch64TargetMachine::AArch64TargetMachine
AArch64TargetMachine(const Target &T, const Triple &TT, StringRef CPU, StringRef FS, const TargetOptions &Options, Optional< Reloc::Model > RM, Optional< CodeModel::Model > CM, CodeGenOpt::Level OL, bool JIT, bool IsLittleEndian)
Create an AArch64 architecture model.
Definition: AArch64TargetMachine.cpp:291
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:763
llvm::AArch64leTargetMachine::AArch64leTargetMachine
AArch64leTargetMachine(const Target &T, const Triple &TT, StringRef CPU, StringRef FS, const TargetOptions &Options, Optional< Reloc::Model > RM, Optional< CodeModel::Model > CM, CodeGenOpt::Level OL, bool JIT)
Definition: AArch64TargetMachine.cpp:418
llvm::AArch64TargetMachine::~AArch64TargetMachine
~AArch64TargetMachine() override
llvm::AArch64TargetMachine::getSubtargetImpl
const AArch64Subtarget * getSubtargetImpl() const =delete