[SYCL] Enable rand with CUDA and HIP

This enables building rand for CUDA and HIP and enables the test.

Author: npmiller

libdevice/crt_wrapper.cpp

@@ -12,10 +12,8 @@
 
 #include <cstdint>
 
-#ifndef __NVPTX__
 #define RAND_NEXT_LEN 1024
 DeviceGlobal<uint64_t[RAND_NEXT_LEN]> RandNext;
-#endif
 
 #if defined(__SPIR__) || defined(__SPIRV__) || defined(__NVPTX__) ||           \
     defined(__AMDGCN__)
@@ -34,7 +32,6 @@ int memcmp(const void *s1, const void *s2, size_t n) {
   return __devicelib_memcmp(s1, s2, n);
 }
 
-#ifndef __NVPTX__
 
 // This simple rand is for ease of use only, the implementation aligns with
 // LLVM libc rand which is based on xorshift64star pseudo random number
@@ -107,7 +104,6 @@ void srand(unsigned int seed) {
   RAND_NEXT_ACC[gid1] = seed;
 }
 
-#endif
 
 #if defined(_WIN32)
 // Truncates a wide (16 or 32 bit) string (wstr) into an ASCII string (str).

sycl/test-e2e/DeviceLib/rand_test.cpp

@@ -1,8 +1,6 @@
 // RUN: %{build} -o %t.out
 // RUN: %{run} %t.out
 
-// UNSUPPORTED: target-nvidia || target-amd
-
 #include <sycl/builtins.hpp>
 #include <sycl/detail/core.hpp>