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 "AlphaInstrInfo.h"
18 #include "AlphaISelLowering.h"
19 #include "AlphaFrameLowering.h"
20 #include "AlphaSelectionDAGInfo.h"
21 #include "AlphaSubtarget.h"
22 #include "llvm/Target/TargetMachine.h"
23 #include "llvm/Target/TargetData.h"
24 #include "llvm/Target/TargetFrameLowering.h"
25 
26 namespace llvm {
27 
28 class GlobalValue;
29 
30 class AlphaTargetMachine : public LLVMTargetMachine {
31   const TargetData DataLayout;       // Calculates type size & alignment
32   AlphaInstrInfo InstrInfo;
33   AlphaFrameLowering FrameLowering;
34   AlphaSubtarget Subtarget;
35   AlphaTargetLowering TLInfo;
36   AlphaSelectionDAGInfo TSInfo;
37 
38 public:
39   AlphaTargetMachine(const Target &T, StringRef TT,
40                      StringRef CPU, StringRef FS,
41                      Reloc::Model RM, CodeModel::Model CM);
42 
getInstrInfo()43   virtual const AlphaInstrInfo *getInstrInfo() const { return &InstrInfo; }
getFrameLowering()44   virtual const TargetFrameLowering  *getFrameLowering() const {
45     return &FrameLowering;
46   }
getSubtargetImpl()47   virtual const AlphaSubtarget   *getSubtargetImpl() const{ return &Subtarget; }
getRegisterInfo()48   virtual const AlphaRegisterInfo *getRegisterInfo() const {
49     return &InstrInfo.getRegisterInfo();
50   }
getTargetLowering()51   virtual const AlphaTargetLowering* getTargetLowering() const {
52     return &TLInfo;
53   }
getSelectionDAGInfo()54   virtual const AlphaSelectionDAGInfo* getSelectionDAGInfo() const {
55     return &TSInfo;
56   }
getTargetData()57   virtual const TargetData       *getTargetData() const { return &DataLayout; }
58 
59   // Pass Pipeline Configuration
60   virtual bool addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
61   virtual bool addPreEmitPass(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
62 };
63 
64 } // end namespace llvm
65 
66 #endif
67