clang/test/SemaOpenCL/null_literal.cl

   1 // RUN: %clang_cc1 -cl-std=CL1.0 -fdeclare-opencl-builtins -finclude-default-header -verify %s
   2 // RUN: %clang_cc1 -cl-std=CL1.1 -fdeclare-opencl-builtins -finclude-default-header -verify %s
   3 // RUN: %clang_cc1 -cl-std=CL1.2 -fdeclare-opencl-builtins -finclude-default-header -verify %s
   4 // RUN: %clang_cc1 -cl-std=CL2.0 -fdeclare-opencl-builtins -finclude-default-header -verify %s
   5 // RUN: %clang_cc1 -cl-std=clc++ -fdeclare-opencl-builtins -finclude-default-header -verify %s
   6
   7 void foo(){
   8
   9 global int* ptr1 = NULL;
  10
  11 #if defined(__OPENCL_CPP_VERSION__)
  12 // expected-error@+2{{cannot initialize a variable of type '__global int *__private' with an rvalue of type '__global void *'}}
  13 #endif
  14 global int* ptr2 = (global void*)0;
  15
  16 constant int* ptr3 = NULL;
  17
  18 #if defined(__OPENCL_CPP_VERSION__)
  19 // expected-error@+4{{cannot initialize a variable of type '__constant int *__private' with an rvalue of type '__global void *'}}
  20 #else
  21 // expected-error@+2{{initializing '__constant int *__private' with an expression of type '__global void *' changes address space of pointer}}
  22 #endif
  23 constant int* ptr4 = (global void*)0;
  24
  25 #if __OPENCL_C_VERSION__ == CL_VERSION_2_0
  26 // Accept explicitly pointer to generic address space in OpenCL v2.0.
  27 global int* ptr5 = (generic void*)0;
  28 #endif
  29
  30 #if defined(__OPENCL_CPP_VERSION__)
  31 // expected-error@+4{{cannot initialize a variable of type '__global int *__private' with an rvalue of type '__local void *'}}
  32 #else
  33 // expected-error@+2{{initializing '__global int *__private' with an expression of type '__local void *' changes address space of pointer}}
  34 #endif
  35 global int* ptr6 = (local void*)0;
  36
  37 bool cmp = ptr1 == NULL;
  38
  39 #if defined(__OPENCL_CPP_VERSION__)
  40 // expected-error@+4{{comparison of distinct pointer types ('__global int *' and '__local void *')}}
  41 #else
  42 // expected-error@+2{{comparison between  ('__global int *' and '__local void *') which are pointers to non-overlapping address spaces}}
  43 #endif
  44 cmp = ptr1 == (local void*)0;
  45
  46 cmp = ptr3 == NULL;
  47
  48 }