Calling intrinsics from global kernel

[ROCm/hip commit: 61cd2bb399]

projects/hip/src/device_util.cpp

@@ -0,0 +1,9 @@
+#include"hip_runtime.h"
+#include<hc.hpp>
+#include<grid_launch.h>
+
+__device__ unsigned int test__popc(unsigned int input)
+{
+    return hc::__popcount_u32_b32(input);
+}
+