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annotate lib/Target/PowerPC/PPCTargetMachine.h @ 100:7d135dc70f03

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LLVM 3.9
author Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
date Tue, 26 Jan 2016 22:53:40 +0900
parents afa8332a0e37
children 1172e4bd9c6f
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1 //===-- PPCTargetMachine.h - Define TargetMachine for PowerPC ---*- C++ -*-===//
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2 //
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3 // The LLVM Compiler Infrastructure
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4 //
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5 // This file is distributed under the University of Illinois Open Source
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6 // License. See LICENSE.TXT for details.
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7 //
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8 //===----------------------------------------------------------------------===//
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9 //
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10 // This file declares the PowerPC specific subclass of TargetMachine.
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11 //
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12 //===----------------------------------------------------------------------===//
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14 #ifndef LLVM_LIB_TARGET_POWERPC_PPCTARGETMACHINE_H
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15 #define LLVM_LIB_TARGET_POWERPC_PPCTARGETMACHINE_H
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16
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17 #include "PPCInstrInfo.h"
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18 #include "PPCSubtarget.h"
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19 #include "llvm/IR/DataLayout.h"
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20 #include "llvm/Target/TargetMachine.h"
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21
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22 namespace llvm {
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23
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24 /// PPCTargetMachine - Common code between 32-bit and 64-bit PowerPC targets.
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25 ///
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26 class PPCTargetMachine : public LLVMTargetMachine {
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27 public:
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28 enum PPCABI { PPC_ABI_UNKNOWN, PPC_ABI_ELFv1, PPC_ABI_ELFv2 };
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29 private:
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30 std::unique_ptr<TargetLoweringObjectFile> TLOF;
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31 PPCABI TargetABI;
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32 PPCSubtarget Subtarget;
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33
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34 mutable StringMap<std::unique_ptr<PPCSubtarget>> SubtargetMap;
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36 public:
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37 PPCTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
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38 StringRef FS, const TargetOptions &Options, Reloc::Model RM,
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39 CodeModel::Model CM, CodeGenOpt::Level OL);
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41 ~PPCTargetMachine() override;
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42
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43 const PPCSubtarget *getSubtargetImpl(const Function &F) const override;
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44
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45 // Pass Pipeline Configuration
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46 TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
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48 TargetIRAnalysis getTargetIRAnalysis() override;
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49
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50 TargetLoweringObjectFile *getObjFileLowering() const override {
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51 return TLOF.get();
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52 }
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53 bool isELFv2ABI() const { return TargetABI == PPC_ABI_ELFv2; }
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54 bool isPPC64() const {
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55 const Triple &TT = getTargetTriple();
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56 return (TT.getArch() == Triple::ppc64 || TT.getArch() == Triple::ppc64le);
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57 };
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58 };
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60 /// PPC32TargetMachine - PowerPC 32-bit target machine.
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61 ///
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62 class PPC32TargetMachine : public PPCTargetMachine {
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63 virtual void anchor();
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64 public:
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65 PPC32TargetMachine(const Target &T, const Triple &TT, StringRef CPU,
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66 StringRef FS, const TargetOptions &Options,
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67 Reloc::Model RM, CodeModel::Model CM,
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68 CodeGenOpt::Level OL);
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69 };
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71 /// PPC64TargetMachine - PowerPC 64-bit target machine.
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72 ///
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73 class PPC64TargetMachine : public PPCTargetMachine {
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74 virtual void anchor();
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75 public:
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76 PPC64TargetMachine(const Target &T, const Triple &TT, StringRef CPU,
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77 StringRef FS, const TargetOptions &Options,
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78 Reloc::Model RM, CodeModel::Model CM,
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79 CodeGenOpt::Level OL);
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80 };
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81
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82 } // end namespace llvm
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83
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84 #endif