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annotate include/llvm/Support/CodeGen.h @ 83:60c9769439b8 LLVM3.7

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LLVM 3.7
author Tatsuki IHA <e125716@ie.u-ryukyu.ac.jp>
date Wed, 18 Feb 2015 14:55:36 +0900
parents 95c75e76d11b
children 1172e4bd9c6f
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1 //===-- llvm/Support/CodeGen.h - CodeGen Concepts ---------------*- 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 define some types which define code generation concepts. For
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11 // example, relocation model.
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12 //
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13 //===----------------------------------------------------------------------===//
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14
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15 #ifndef LLVM_SUPPORT_CODEGEN_H
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16 #define LLVM_SUPPORT_CODEGEN_H
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17
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18 #include "llvm-c/TargetMachine.h"
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19 #include "llvm/Support/ErrorHandling.h"
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20
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21 namespace llvm {
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22
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23 // Relocation model types.
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24 namespace Reloc {
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25 enum Model { Default, Static, PIC_, DynamicNoPIC };
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26 }
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27
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28 // Code model types.
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29 namespace CodeModel {
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30 enum Model { Default, JITDefault, Small, Kernel, Medium, Large };
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31 }
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32
83
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33 namespace PICLevel {
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34 enum Level { Default=0, Small=1, Large=2 };
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35 }
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36
0
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37 // TLS models.
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38 namespace TLSModel {
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39 enum Model {
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40 GeneralDynamic,
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41 LocalDynamic,
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42 InitialExec,
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43 LocalExec
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44 };
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45 }
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46
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47 // Code generation optimization level.
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48 namespace CodeGenOpt {
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49 enum Level {
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50 None, // -O0
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51 Less, // -O1
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52 Default, // -O2, -Os
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53 Aggressive // -O3
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54 };
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55 }
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56
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57 // Create wrappers for C Binding types (see CBindingWrapping.h).
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58 inline CodeModel::Model unwrap(LLVMCodeModel Model) {
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59 switch (Model) {
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60 case LLVMCodeModelDefault:
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61 return CodeModel::Default;
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62 case LLVMCodeModelJITDefault:
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63 return CodeModel::JITDefault;
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64 case LLVMCodeModelSmall:
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65 return CodeModel::Small;
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66 case LLVMCodeModelKernel:
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67 return CodeModel::Kernel;
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68 case LLVMCodeModelMedium:
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69 return CodeModel::Medium;
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70 case LLVMCodeModelLarge:
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71 return CodeModel::Large;
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72 }
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73 return CodeModel::Default;
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74 }
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75
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76 inline LLVMCodeModel wrap(CodeModel::Model Model) {
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77 switch (Model) {
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78 case CodeModel::Default:
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79 return LLVMCodeModelDefault;
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80 case CodeModel::JITDefault:
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81 return LLVMCodeModelJITDefault;
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82 case CodeModel::Small:
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83 return LLVMCodeModelSmall;
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84 case CodeModel::Kernel:
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85 return LLVMCodeModelKernel;
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86 case CodeModel::Medium:
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87 return LLVMCodeModelMedium;
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88 case CodeModel::Large:
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89 return LLVMCodeModelLarge;
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90 }
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91 llvm_unreachable("Bad CodeModel!");
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92 }
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93 } // end llvm namespace
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94
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95 #endif