Ignore __CLANG_HIP_RUNTIME_WRAPPER_INCLUDED__. This should not be relying on declarations from the clang builtin headers. There is no issue declaring the same intrinsics multiple times. This will enable removal of declarations from the clang builtin headers.
AMD CLR - Compute Language Runtimes
AMD CLR (Compute Language Runtime) contains source codes for AMD's compute languages runtimes: HIP and OpenCL™.