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