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annotate include/llvm/LinkAllIR.h @ 85:5e5d649e25d2

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Update LLVM 3.7
author Tatsuki IHA <e125716@ie.u-ryukyu.ac.jp>
date Thu, 19 Feb 2015 15:19:25 +0900
parents 54457678186b
children 1172e4bd9c6f
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1 //===----- LinkAllIR.h - Reference All VMCore Code --------------*- 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 the object modules of the VMCore library so
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11 // that tools like llc, opt, and lli can ensure they are linked with all symbols
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12 // from libVMCore.a It should only be used from a tool's main program.
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13 //
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14 //===----------------------------------------------------------------------===//
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15
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16 #ifndef LLVM_LINKALLIR_H
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17 #define LLVM_LINKALLIR_H
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18
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19 #include "llvm/IR/InlineAsm.h"
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20 #include "llvm/IR/Instructions.h"
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21 #include "llvm/IR/IntrinsicInst.h"
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22 #include "llvm/IR/LLVMContext.h"
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23 #include "llvm/IR/Module.h"
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24 #include "llvm/IR/Verifier.h"
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25 #include "llvm/Support/Dwarf.h"
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26 #include "llvm/Support/DynamicLibrary.h"
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27 #include "llvm/Support/MathExtras.h"
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28 #include "llvm/Support/Memory.h"
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29 #include "llvm/Support/Mutex.h"
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30 #include "llvm/Support/Path.h"
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31 #include "llvm/Support/Process.h"
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32 #include "llvm/Support/Program.h"
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33 #include "llvm/Support/Signals.h"
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34 #include "llvm/Support/TimeValue.h"
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35 #include <cstdlib>
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36
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37 namespace {
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38 struct ForceVMCoreLinking {
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39 ForceVMCoreLinking() {
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40 // We must reference VMCore in such a way that compilers will not
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41 // delete it all as dead code, even with whole program optimization,
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42 // yet is effectively a NO-OP. As the compiler isn't smart enough
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43 // to know that getenv() never returns -1, this will do the job.
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44 if (std::getenv("bar") != (char*) -1)
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45 return;
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46 (void)new llvm::Module("", llvm::getGlobalContext());
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47 (void)new llvm::UnreachableInst(llvm::getGlobalContext());
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48 (void) llvm::createVerifierPass();
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49 }
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50 } ForceVMCoreLinking;
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51 }
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52
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53 #endif