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      1 // RUN: %clang_cc1 -verify -fsyntax-only %s
      2 // RUN: %clang_cc1 -verify -fsyntax-only -cl-std=CL2.0 %s
      3 
      4 void test(void) {
      5   global int *glob;
      6   local int *loc;
      7   constant int *con;
      8   typedef constant int const_int_ty;
      9   const_int_ty *con_typedef;
     10 
     11   glob = to_global(glob, loc);
     12 #if __OPENCL_C_VERSION__ < CL_VERSION_2_0
     13   // expected-warning@-2{{implicit declaration of function 'to_global' is invalid in C99}}
     14   // expected-warning@-3{{incompatible integer to pointer conversion assigning to '__global int *' from 'int'}}
     15 #else
     16   // expected-error@-5{{invalid number of arguments to function: 'to_global'}}
     17 #endif
     18 
     19   int x;
     20   glob = to_global(x);
     21 #if __OPENCL_C_VERSION__ < CL_VERSION_2_0
     22   // expected-warning@-2{{incompatible integer to pointer conversion assigning to '__global int *' from 'int'}}
     23 #else
     24   // expected-error@-4{{invalid argument x to function: 'to_global', expecting a generic pointer argument}}
     25 #endif
     26 
     27   glob = to_global(con);
     28 #if __OPENCL_C_VERSION__ < CL_VERSION_2_0
     29   // expected-warning@-2{{incompatible integer to pointer conversion assigning to '__global int *' from 'int'}}
     30 #else
     31   // expected-error@-4{{invalid argument con to function: 'to_global', expecting a generic pointer argument}}
     32 #endif
     33 
     34   glob = to_global(con_typedef);
     35 #if __OPENCL_C_VERSION__ < CL_VERSION_2_0
     36   // expected-warning@-2{{incompatible integer to pointer conversion assigning to '__global int *' from 'int'}}
     37 #else
     38   // expected-error@-4{{invalid argument con_typedef to function: 'to_global', expecting a generic pointer argument}}
     39 #endif
     40 
     41   loc = to_global(glob);
     42 #if __OPENCL_C_VERSION__ < CL_VERSION_2_0
     43   // expected-warning@-2{{incompatible integer to pointer conversion assigning to '__local int *' from 'int'}}
     44 #else
     45   // expected-error@-4{{assigning '__global int *' to '__local int *' changes address space of pointer}}
     46 #endif
     47 
     48   global char *glob_c = to_global(loc);
     49 #if __OPENCL_C_VERSION__ < CL_VERSION_2_0
     50   // expected-warning@-2{{incompatible integer to pointer conversion initializing '__global char *' with an expression of type 'int'}}
     51 #else
     52   // expected-warning@-4{{incompatible pointer types initializing '__global char *' with an expression of type '__global int *'}}
     53 #endif
     54 
     55 }
     56