lib/Target/Alpha/AlphaTargetMachine.h

   1 //===-- AlphaTargetMachine.h - Define TargetMachine for Alpha ---*- 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 Alpha-specific subclass of TargetMachine.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef ALPHA_TARGETMACHINE_H
  15 #define ALPHA_TARGETMACHINE_H
  16
  17 #include "llvm/Target/TargetMachine.h"
  18 #include "llvm/Target/TargetData.h"
  19 #include "llvm/Target/TargetFrameInfo.h"
  20 #include "AlphaInstrInfo.h"
  21 #include "AlphaJITInfo.h"
  22 #include "AlphaISelLowering.h"
  23 #include "AlphaSubtarget.h"
  24
  25 namespace llvm {
  26
  27 class GlobalValue;
  28
  29 class AlphaTargetMachine : public LLVMTargetMachine {
  30   const TargetData DataLayout;       // Calculates type size & alignment
  31   AlphaInstrInfo InstrInfo;
  32   TargetFrameInfo FrameInfo;
  33   AlphaJITInfo JITInfo;
  34   AlphaSubtarget Subtarget;
  35   AlphaTargetLowering TLInfo;
  36
  37 protected:
  38   virtual const TargetAsmInfo *createTargetAsmInfo() const;
  39
  40 public:
  41   AlphaTargetMachine(const Module &M, const std::string &FS);
  42
  43   virtual const AlphaInstrInfo *getInstrInfo() const { return &InstrInfo; }
  44   virtual const TargetFrameInfo  *getFrameInfo() const { return &FrameInfo; }
  45   virtual const AlphaSubtarget   *getSubtargetImpl() const{ return &Subtarget; }
  46   virtual const AlphaRegisterInfo *getRegisterInfo() const {
  47     return &InstrInfo.getRegisterInfo();
  48   }
  49   virtual AlphaTargetLowering* getTargetLowering() const {
  50     return const_cast<AlphaTargetLowering*>(&TLInfo);
  51   }
  52   virtual const TargetData       *getTargetData() const { return &DataLayout; }
  53   virtual AlphaJITInfo* getJITInfo() {
  54     return &JITInfo;
  55   }
  56
  57   static unsigned getJITMatchQuality();
  58   static unsigned getModuleMatchQuality(const Module &M);
  59
  60   // Pass Pipeline Configuration
  61   virtual bool addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
  62   virtual bool addPreEmitPass(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
  63   virtual bool addAssemblyEmitter(PassManagerBase &PM,
  64                                   CodeGenOpt::Level OptLevel,
  65                                   bool Verbose, raw_ostream &Out);
  66   virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
  67                               bool DumpAsm, MachineCodeEmitter &MCE);
  68   virtual bool addSimpleCodeEmitter(PassManagerBase &PM,
  69                                     CodeGenOpt::Level OptLevel,
  70                                     bool DumpAsm,
  71                                     MachineCodeEmitter &MCE);
  72 };
  73
  74 } // end namespace llvm
  75
  76 #endif