xref: /llvm-project/llvm/tools/llvm-reduce/TestRunner.cpp (revision 42c7f494d93fcb96f4fef7bd9a7b76a6a96cc504)
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 #include "ReducerWorkItem.h"
11 #include "llvm/CodeGen/MachineFunction.h"
12 
13 using namespace llvm;
14 
15 TestRunner::TestRunner(StringRef TestName,
16                        const std::vector<std::string> &TestArgs,
17                        std::unique_ptr<ReducerWorkItem> Program,
18                        std::unique_ptr<TargetMachine> TM)
19     : TestName(TestName), TestArgs(TestArgs), Program(std::move(Program)),
20       TM(std::move(TM)) {
21   assert(this->Program && "Initialized with null program?");
22 }
23 
24 /// Runs the interestingness test, passes file to be tested as first argument
25 /// and other specified test arguments after that.
26 int TestRunner::run(StringRef Filename) {
27   std::vector<StringRef> ProgramArgs;
28   ProgramArgs.push_back(TestName);
29 
30   for (const auto &Arg : TestArgs)
31     ProgramArgs.push_back(Arg);
32 
33   ProgramArgs.push_back(Filename);
34 
35   std::string ErrMsg;
36   int Result = sys::ExecuteAndWait(
37       TestName, ProgramArgs, /*Env=*/None, /*Redirects=*/None,
38       /*SecondsToWait=*/0, /*MemoryLimit=*/0, &ErrMsg);
39 
40   if (Result < 0) {
41     Error E = make_error<StringError>("Error running interesting-ness test: " +
42                                           ErrMsg,
43                                       inconvertibleErrorCode());
44     errs() << toString(std::move(E));
45     exit(1);
46   }
47 
48   return !Result;
49 }
50 
51 void TestRunner::setProgram(std::unique_ptr<ReducerWorkItem> P) {
52   assert(P && "Setting null program?");
53   Program = std::move(P);
54 }
55