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annotate utils/not/not.cpp @ 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 //===- not.cpp - The 'not' testing tool -----------------------------------===//
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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 #include "llvm/Support/Path.h"
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11 #include "llvm/Support/Program.h"
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12 #include "llvm/Support/raw_ostream.h"
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13 using namespace llvm;
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14
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15 int main(int argc, const char **argv) {
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16 bool ExpectCrash = false;
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17
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18 ++argv;
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19 --argc;
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20
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21 if (argc > 0 && StringRef(argv[0]) == "--crash") {
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22 ++argv;
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23 --argc;
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24 ExpectCrash = true;
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25 }
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26
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27 if (argc == 0)
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28 return 1;
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29
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30 std::string Program = sys::FindProgramByName(argv[0]);
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31
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32 std::string ErrMsg;
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33 int Result = sys::ExecuteAndWait(Program, argv, nullptr, nullptr, 0, 0,
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34 &ErrMsg);
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35 #ifdef _WIN32
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36 // Handle abort() in msvcrt -- It has exit code as 3. abort(), aka
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37 // unreachable, should be recognized as a crash. However, some binaries use
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38 // exit code 3 on non-crash failure paths, so only do this if we expect a
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39 // crash.
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40 if (ExpectCrash && Result == 3)
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41 Result = -3;
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42 #endif
0
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43 if (Result < 0) {
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44 errs() << "Error: " << ErrMsg << "\n";
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45 if (ExpectCrash)
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46 return 0;
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47 return 1;
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48 }
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49
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50 if (ExpectCrash)
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51 return 1;
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52
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53 return Result == 0;
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54 }