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