libclc/amdgcn/lib/workitem/get_global_offset.cl

   1 #include <clc/clc.h>
   2
   3 #if __clang_major__ >= 8
   4 #define CONST_AS __constant
   5 #elif __clang_major__ >= 7
   6 #define CONST_AS __attribute__((address_space(4)))
   7 #else
   8 #define CONST_AS __attribute__((address_space(2)))
   9 #endif
  10
  11 _CLC_DEF _CLC_OVERLOAD size_t get_global_offset(uint dim) {
  12   CONST_AS uint *ptr = (CONST_AS uint *)__builtin_amdgcn_implicitarg_ptr();
  13   if (dim < 3)
  14     return ptr[dim + 1];
  15   return 0;
  16 }