1 files changed, 32 insertions, 0 deletions
diff --git a/llvm/tools/llvm-reduce/TestRunner.cpp b/llvm/tools/llvm-reduce/TestRunner.cpp
new file mode 100644
index 00000000000..479b9497bf6
--- /dev/null
+++ b/llvm/tools/llvm-reduce/TestRunner.cpp
@@ -0,0 +1,32 @@
+#include "TestRunner.h"
+
+using namespace llvm;
+
+TestRunner::TestRunner(StringRef TestName, std::vector<std::string> TestArgs,
+                       StringRef ReducedFilepath, SmallString<128> TmpDirectory)
+    : TestName(TestName), TestArgs(TestArgs), ReducedFilepath(ReducedFilepath),
+      TmpDirectory(TmpDirectory) {}
+
+/// 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);
+  ProgramArgs.push_back(Filename);
+
+  for (unsigned I = 0, E = TestArgs.size(); I != E; ++I)
+    ProgramArgs.push_back(TestArgs[I].c_str());
+
+  StringRef SR = "";
+  Optional<StringRef> Redirects[3] = {SR, SR, SR}; // STDIN, STDOUT, STDERR
+  int Result = sys::ExecuteAndWait(TestName, ProgramArgs, None, Redirects);
+
+  if (Result < 0) {
+    Error E = make_error<StringError>("Error running interesting-ness test\n",
+                                      inconvertibleErrorCode());
+    outs() << toString(std::move(E));
+    exit(1);
+  }
+
+  return !Result;
+}