[llvm] [Offload][Conformance] Add `RandomGenerator` for large input spaces (PR #154252)

[Ross Brunton via llvm-commits]

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@@ -0,0 +1,49 @@
+//===----------------------------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+///
+/// \file
+/// This file contains the definition of the RandomState class, a fast and
+/// lightweight pseudo-random number generator.
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RossBrunton wrote:

Can you include a link to where this implementation came from?

https://github.com/llvm/llvm-project/pull/154252