1//===-- PPCTargetMachine.h - Define TargetMachine for PowerPC ---*- 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 PowerPC specific subclass of TargetMachine.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef LLVM_LIB_TARGET_POWERPC_PPCTARGETMACHINE_H
15#define LLVM_LIB_TARGET_POWERPC_PPCTARGETMACHINE_H
16
17#include "PPCInstrInfo.h"
18#include "PPCSubtarget.h"
19#include "llvm/IR/DataLayout.h"
20#include "llvm/Target/TargetMachine.h"
21
22namespace llvm {
23
24/// PPCTargetMachine - Common code between 32-bit and 64-bit PowerPC targets.
25///
26class PPCTargetMachine : public LLVMTargetMachine {
27public:
28  enum PPCABI { PPC_ABI_UNKNOWN, PPC_ABI_ELFv1, PPC_ABI_ELFv2 };
29private:
30  std::unique_ptr<TargetLoweringObjectFile> TLOF;
31  PPCABI TargetABI;
32  PPCSubtarget Subtarget;
33
34  mutable StringMap<std::unique_ptr<PPCSubtarget>> SubtargetMap;
35
36public:
37  PPCTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
38                   StringRef FS, const TargetOptions &Options, Reloc::Model RM,
39                   CodeModel::Model CM, CodeGenOpt::Level OL);
40
41  ~PPCTargetMachine() override;
42
43  const PPCSubtarget *getSubtargetImpl(const Function &F) const override;
44
45  // Pass Pipeline Configuration
46  TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
47
48  TargetIRAnalysis getTargetIRAnalysis() override;
49
50  TargetLoweringObjectFile *getObjFileLowering() const override {
51    return TLOF.get();
52  }
53  bool isELFv2ABI() const { return TargetABI == PPC_ABI_ELFv2; }
54  bool isPPC64() const {
55    const Triple &TT = getTargetTriple();
56    return (TT.getArch() == Triple::ppc64 || TT.getArch() == Triple::ppc64le);
57  };
58};
59
60/// PPC32TargetMachine - PowerPC 32-bit target machine.
61///
62class PPC32TargetMachine : public PPCTargetMachine {
63  virtual void anchor();
64public:
65  PPC32TargetMachine(const Target &T, const Triple &TT, StringRef CPU,
66                     StringRef FS, const TargetOptions &Options,
67                     Reloc::Model RM, CodeModel::Model CM,
68                     CodeGenOpt::Level OL);
69};
70
71/// PPC64TargetMachine - PowerPC 64-bit target machine.
72///
73class PPC64TargetMachine : public PPCTargetMachine {
74  virtual void anchor();
75public:
76  PPC64TargetMachine(const Target &T, const Triple &TT, StringRef CPU,
77                     StringRef FS, const TargetOptions &Options,
78                     Reloc::Model RM, CodeModel::Model CM,
79                     CodeGenOpt::Level OL);
80};
81
82} // end namespace llvm
83
84#endif
85