LLVM  3.7.0
MipsTargetMachine.h
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1 //===-- MipsTargetMachine.h - Define TargetMachine for Mips -----*- C++ -*-===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file declares the Mips specific subclass of TargetMachine.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #ifndef LLVM_LIB_TARGET_MIPS_MIPSTARGETMACHINE_H
15 #define LLVM_LIB_TARGET_MIPS_MIPSTARGETMACHINE_H
16 
18 #include "MipsSubtarget.h"
20 #include "llvm/CodeGen/Passes.h"
24 
25 namespace llvm {
26 class formatted_raw_ostream;
27 class MipsRegisterInfo;
28 
30  bool isLittle;
31  std::unique_ptr<TargetLoweringObjectFile> TLOF;
32  // Selected ABI
33  MipsABIInfo ABI;
34  MipsSubtarget *Subtarget;
35  MipsSubtarget DefaultSubtarget;
36  MipsSubtarget NoMips16Subtarget;
37  MipsSubtarget Mips16Subtarget;
38 
39  mutable StringMap<std::unique_ptr<MipsSubtarget>> SubtargetMap;
40 
41 public:
42  MipsTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
44  CodeModel::Model CM, CodeGenOpt::Level OL, bool isLittle);
45  ~MipsTargetMachine() override;
46 
48 
50  if (Subtarget)
51  return Subtarget;
52  return &DefaultSubtarget;
53  }
54 
55  const MipsSubtarget *getSubtargetImpl(const Function &F) const override;
56 
57  /// \brief Reset the subtarget for the Mips target.
59 
60  // Pass Pipeline Configuration
61  TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
62 
64  return TLOF.get();
65  }
66 
67  bool isLittleEndian() const { return isLittle; }
68  const MipsABIInfo &getABI() const { return ABI; }
69 };
70 
71 /// MipsebTargetMachine - Mips32/64 big endian target machine.
72 ///
74  virtual void anchor();
75 public:
76  MipsebTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
80 };
81 
82 /// MipselTargetMachine - Mips32/64 little endian target machine.
83 ///
85  virtual void anchor();
86 public:
87  MipselTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
91 };
92 
93 } // End llvm namespace
94 
95 #endif
MipsTargetMachine(const Target &T, const Triple &TT, StringRef CPU, StringRef FS, const TargetOptions &Options, Reloc::Model RM, CodeModel::Model CM, CodeGenOpt::Level OL, bool isLittle)
Analysis pass providing the TargetTransformInfo.
void resetSubtarget(MachineFunction *MF)
Reset the subtarget for the Mips target.
F(f)
TargetPassConfig * createPassConfig(PassManagerBase &PM) override
Create a pass configuration object to be used by addPassToEmitX methods for generating a pipeline of ...
const MipsABIInfo & getABI() const
Target-Independent Code Generator Pass Configuration Options.
This class describes a target machine that is implemented with the LLVM target-independent code gener...
This file provides a helper that implements much of the TTI interface in terms of the target-independ...
Triple - Helper class for working with autoconf configuration names.
Definition: Triple.h:44
MipsebTargetMachine(const Target &T, const Triple &TT, StringRef CPU, StringRef FS, const TargetOptions &Options, Reloc::Model RM, CodeModel::Model CM, CodeGenOpt::Level OL)
TargetLoweringObjectFile * getObjFileLowering() const override
MipsebTargetMachine - Mips32/64 big endian target machine.
TargetIRAnalysis getTargetIRAnalysis() override
Get a TargetIRAnalysis implementation for the target.
MipselTargetMachine - Mips32/64 little endian target machine.
StringMap - This is an unconventional map that is specialized for handling keys that are "strings"...
Definition: StringMap.h:214
Target - Wrapper for Target specific information.
const MipsSubtarget * getSubtargetImpl() const
StringRef - Represent a constant reference to a string, i.e.
Definition: StringRef.h:40
MipselTargetMachine(const Target &T, const Triple &TT, StringRef CPU, StringRef FS, const TargetOptions &Options, Reloc::Model RM, CodeModel::Model CM, CodeGenOpt::Level OL)