1 files changed, 42 insertions, 0 deletions
diff --git a/tools/llvm-reduce/TestRunner.cpp b/tools/llvm-reduce/TestRunner.cpp
new file mode 100644
index 000000000000..d0e195d5697c
--- /dev/null
+++ b/tools/llvm-reduce/TestRunner.cpp
@@ -0,0 +1,42 @@
+//===-- TestRunner.cpp ----------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "TestRunner.h"
+
+using namespace llvm;
+
+TestRunner::TestRunner(StringRef TestName, const std::vector<std::string> &TestArgs)
+    : TestName(TestName), TestArgs(TestArgs) {
+}
+
+/// Runs the interestingness test, passes file to be tested as first argument
+/// and other specified test arguments after that.
+int TestRunner::run(StringRef Filename) {
+  std::vector<StringRef> ProgramArgs;
+  ProgramArgs.push_back(TestName);
+
+  for (const auto &Arg : TestArgs)
+    ProgramArgs.push_back(Arg);
+
+  ProgramArgs.push_back(Filename);
+
+  std::string ErrMsg;
+  int Result = sys::ExecuteAndWait(
+      TestName, ProgramArgs, /*Env=*/None, /*Redirects=*/None,
+      /*SecondsToWait=*/0, /*MemoryLimit=*/0, &ErrMsg);
+
+  if (Result < 0) {
+    Error E = make_error<StringError>("Error running interesting-ness test: " +
+                                          ErrMsg,
+                                      inconvertibleErrorCode());
+    errs() << toString(std::move(E));
+    exit(1);
+  }
+
+  return !Result;
+}