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annotate include/llvm/CodeGen/LinkAllCodegenComponents.h @ 77:54457678186b LLVM3.6

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LLVM 3.6
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Mon, 08 Sep 2014 22:06:00 +0900
parents 95c75e76d11b
children 60c9769439b8
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1 //===- llvm/Codegen/LinkAllCodegenComponents.h ------------------*- 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 header file pulls in all codegen related passes for tools like lli and
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11 // llc that need this functionality.
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12 //
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13 //===----------------------------------------------------------------------===//
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15 #ifndef LLVM_CODEGEN_LINKALLCODEGENCOMPONENTS_H
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16 #define LLVM_CODEGEN_LINKALLCODEGENCOMPONENTS_H
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17
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18 #include "llvm/CodeGen/GCs.h"
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19 #include "llvm/CodeGen/Passes.h"
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20 #include "llvm/CodeGen/SchedulerRegistry.h"
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21 #include "llvm/Target/TargetMachine.h"
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22 #include <cstdlib>
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23
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24 namespace {
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25 struct ForceCodegenLinking {
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26 ForceCodegenLinking() {
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27 // We must reference the passes in such a way that compilers will not
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28 // delete it all as dead code, even with whole program optimization,
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29 // yet is effectively a NO-OP. As the compiler isn't smart enough
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30 // to know that getenv() never returns -1, this will do the job.
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31 if (std::getenv("bar") != (char*) -1)
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32 return;
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33
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34 (void) llvm::createFastRegisterAllocator();
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35 (void) llvm::createBasicRegisterAllocator();
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36 (void) llvm::createGreedyRegisterAllocator();
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37 (void) llvm::createDefaultPBQPRegisterAllocator();
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38
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39 llvm::linkOcamlGC();
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40 llvm::linkErlangGC();
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41 llvm::linkShadowStackGC();
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42
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43 (void) llvm::createBURRListDAGScheduler(nullptr,
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44 llvm::CodeGenOpt::Default);
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45 (void) llvm::createSourceListDAGScheduler(nullptr,
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46 llvm::CodeGenOpt::Default);
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47 (void) llvm::createHybridListDAGScheduler(nullptr,
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48 llvm::CodeGenOpt::Default);
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49 (void) llvm::createFastDAGScheduler(nullptr, llvm::CodeGenOpt::Default);
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50 (void) llvm::createDefaultScheduler(nullptr, llvm::CodeGenOpt::Default);
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51 (void) llvm::createVLIWDAGScheduler(nullptr, llvm::CodeGenOpt::Default);
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52
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53 }
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54 } ForceCodegenLinking; // Force link by creating a global definition.
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55 }
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56
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57 #endif