152 	write = isl_union_map_copy(prog->may_write);  in is_read_only_scalar()
344 		    isl_union_map_range(isl_union_map_copy(prog->may_write)));  in collect_array_info()
2875 				     isl_union_map_copy(prog->may_write));  in accessed_by_domain()
4778 		isl_union_map *may_write;  in extract_local_accesses()  local
4791 		may_write = isl_union_map_copy(prog->may_write);  in extract_local_accesses()
4792 		may_write = isl_union_map_intersect_range(may_write, fields);  in extract_local_accesses()
4793 		write_domain = isl_union_map_domain(may_write);  in extract_local_accesses()
5175 	isl_union_map *may_write, *must_write, *copy_out, *not_written;  in add_to_from_device()  local
5185 	may_write = isl_union_map_copy(prog->may_write);  in add_to_from_device()
5186 	may_write = isl_union_map_intersect_domain(may_write,  in add_to_from_device()
5188 	may_write = remove_local_accesses(prog,  in add_to_from_device()
5189 					isl_union_map_copy(tagged), may_write,  in add_to_from_device()
5191 	may_write = isl_union_map_apply_range(may_write,  in add_to_from_device()
5193 	may_write = isl_union_map_apply_domain(may_write,  in add_to_from_device()
5195 	may_write = approximate_copy_out(may_write, prog);  in add_to_from_device()
5196 	copy_out = isl_union_map_copy(may_write);  in add_to_from_device()
5197 	may_write = isl_union_map_apply_range(may_write,  in add_to_from_device()
5203 	may_write = isl_union_map_intersect_range(may_write, may_persist);  in add_to_from_device()
5204 	not_written = isl_union_map_subtract(may_write, must_write);  in add_to_from_device()
5814 	prog->may_write = isl_union_map_copy(scop->may_writes);  in gpu_prog_alloc()
5841 	isl_union_map_free(prog->may_write);  in gpu_prog_free()