1*67e74705SXin Li// RUN: %clang_cc1 -verify %s 2*67e74705SXin Li// RUN: %clang_cc1 -cl-std=CL2.0 -DCL20 -verify %s 3*67e74705SXin Li 4*67e74705SXin Li#define NULL ((void*)0) 5*67e74705SXin Li 6*67e74705SXin Livoid foo(){ 7*67e74705SXin Li 8*67e74705SXin Liglobal int* ptr1 = NULL; 9*67e74705SXin Li 10*67e74705SXin Liglobal int* ptr2 = (global void*)0; 11*67e74705SXin Li 12*67e74705SXin Liconstant int* ptr3 = NULL; 13*67e74705SXin Li 14*67e74705SXin Liconstant int* ptr4 = (global void*)0; // expected-error{{initializing '__constant int *' with an expression of type '__global void *' changes address space of pointer}} 15*67e74705SXin Li 16*67e74705SXin Li#ifdef CL20 17*67e74705SXin Li// Accept explicitly pointer to generic address space in OpenCL v2.0. 18*67e74705SXin Liglobal int* ptr5 = (generic void*)0; 19*67e74705SXin Li#endif 20*67e74705SXin Li 21*67e74705SXin Liglobal int* ptr6 = (local void*)0; // expected-error{{initializing '__global int *' with an expression of type '__local void *' changes address space of pointer}} 22*67e74705SXin Li 23*67e74705SXin Libool cmp = ptr1 == NULL; 24*67e74705SXin Li 25*67e74705SXin Licmp = ptr1 == (local void*)0; // expected-error{{comparison between ('__global int *' and '__local void *') which are pointers to non-overlapping address spaces}} 26*67e74705SXin Li 27*67e74705SXin Licmp = ptr3 == NULL; 28*67e74705SXin Li 29*67e74705SXin Li} 30