llvm/tools/llvm-reduce/TestRunner.cpp

   1 //===-- TestRunner.cpp ----------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "TestRunner.h"
  10
  11 using namespace llvm;
  12
  13 TestRunner::TestRunner(StringRef TestName,
  14                        const std::vector<std::string> &TestArgs,
  15                        std::unique_ptr<ReducerWorkItem> Program)
  16     : TestName(TestName), TestArgs(TestArgs), Program(std::move(Program)) {
  17   assert(this->Program && "Initialized with null program?");
  18 }
  19
  20 /// Runs the interestingness test, passes file to be tested as first argument
  21 /// and other specified test arguments after that.
  22 int TestRunner::run(StringRef Filename) {
  23   std::vector<StringRef> ProgramArgs;
  24   ProgramArgs.push_back(TestName);
  25
  26   for (const auto &Arg : TestArgs)
  27     ProgramArgs.push_back(Arg);
  28
  29   ProgramArgs.push_back(Filename);
  30
  31   std::string ErrMsg;
  32   int Result = sys::ExecuteAndWait(
  33       TestName, ProgramArgs, /*Env=*/None, /*Redirects=*/None,
  34       /*SecondsToWait=*/0, /*MemoryLimit=*/0, &ErrMsg);
  35
  36   if (Result < 0) {
  37     Error E = make_error<StringError>("Error running interesting-ness test: " +
  38                                           ErrMsg,
  39                                       inconvertibleErrorCode());
  40     errs() << toString(std::move(E));
  41     exit(1);
  42   }
  43
  44   return !Result;
  45 }