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diff --git a/clang/include/clang/Testing/TestClangConfig.h b/clang/include/clang/Testing/TestClangConfig.h
new file mode 100644
index 000000000000..eefa36dc2ebb
--- /dev/null
+++ b/clang/include/clang/Testing/TestClangConfig.h
@@ -0,0 +1,85 @@
+//===--- TestClangConfig.h ------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_TESTING_TESTCLANGCONFIG_H
+#define LLVM_CLANG_TESTING_TESTCLANGCONFIG_H
+
+#include "clang/Testing/CommandLineArgs.h"
+#include "llvm/Support/raw_ostream.h"
+#include <string>
+#include <vector>
+
+namespace clang {
+
+/// A Clang configuration for end-to-end tests that can be converted to
+/// command line arguments for the driver.
+///
+/// The configuration is represented as typed, named values, making it easier
+/// and safer to work with compared to an array of string command line flags.
+struct TestClangConfig {
+  TestLanguage Language;
+
+  /// The argument of the `-target` command line flag.
+  std::string Target;
+
+  bool isC() const { return Language == Lang_C89 || Language == Lang_C99; }
+
+  bool isC99OrLater() const { return Language == Lang_C99; }
+
+  bool isCXX() const {
+    return Language == Lang_CXX03 || Language == Lang_CXX11 ||
+           Language == Lang_CXX14 || Language == Lang_CXX17 ||
+           Language == Lang_CXX20;
+  }
+
+  bool isCXX11OrLater() const {
+    return Language == Lang_CXX11 || Language == Lang_CXX14 ||
+           Language == Lang_CXX17 || Language == Lang_CXX20;
+  }
+
+  bool isCXX14OrLater() const {
+    return Language == Lang_CXX14 || Language == Lang_CXX17 ||
+           Language == Lang_CXX20;
+  }
+
+  bool isCXX17OrLater() const {
+    return Language == Lang_CXX17 || Language == Lang_CXX20;
+  }
+
+  bool supportsCXXDynamicExceptionSpecification() const {
+    return Language == Lang_CXX03 || Language == Lang_CXX11 ||
+           Language == Lang_CXX14;
+  }
+
+  bool hasDelayedTemplateParsing() const {
+    return Target == "x86_64-pc-win32-msvc";
+  }
+
+  std::vector<std::string> getCommandLineArgs() const {
+    std::vector<std::string> Result = getCommandLineArgsForTesting(Language);
+    Result.push_back("-target");
+    Result.push_back(Target);
+    return Result;
+  }
+
+  std::string toString() const {
+    std::string Result;
+    llvm::raw_string_ostream OS(Result);
+    OS << "{ Language=" << Language << ", Target=" << Target << " }";
+    return OS.str();
+  }
+
+  friend std::ostream &operator<<(std::ostream &OS,
+                                  const TestClangConfig &ClangConfig) {
+    return OS << ClangConfig.toString();
+  }
+};
+
+} // end namespace clang
+
+#endif