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annotate include/llvm/Support/CodeGen.h @ 121:803732b1fca8

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LLVM 5.0
author kono
date Fri, 27 Oct 2017 17:07:41 +0900
parents 1172e4bd9c6f
children c2174574ed3a
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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 namespace llvm {
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19
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20 // Relocation model types.
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21 namespace Reloc {
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22 enum Model { Static, PIC_, DynamicNoPIC, ROPI, RWPI, ROPI_RWPI };
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23 }
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24
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25 // Code model types.
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26 namespace CodeModel {
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27 // Sync changes with CodeGenCWrappers.h.
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28 enum Model { Small, Kernel, Medium, Large };
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29 }
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31 namespace PICLevel {
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32 // This is used to map -fpic/-fPIC.
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33 enum Level { NotPIC=0, SmallPIC=1, BigPIC=2 };
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34 }
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35
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36 namespace PIELevel {
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37 enum Level { Default=0, Small=1, Large=2 };
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38 }
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39
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40 // TLS models.
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41 namespace TLSModel {
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42 enum Model {
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43 GeneralDynamic,
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44 LocalDynamic,
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45 InitialExec,
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46 LocalExec
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47 };
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48 }
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49
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50 // Code generation optimization level.
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51 namespace CodeGenOpt {
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52 enum Level {
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53 None, // -O0
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54 Less, // -O1
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55 Default, // -O2, -Os
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56 Aggressive // -O3
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57 };
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58 }
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59
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60 } // end llvm namespace
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61
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62 #endif