external/bsd/llvm/dist/clang/test/SemaOpenCL/half.cl

   1 // RUN: %clang_cc1 %s -verify -pedantic -fsyntax-only -Wno-unused-value
   2
   3 #pragma OPENCL EXTENSION cl_khr_fp16 : disable
   4
   5 half half_disabled(half *p, // expected-error{{declaring function return value of type 'half' is not allowed}}
   6                    half h)  // expected-error{{declaring function parameter of type 'half' is not allowed}}
   7 {
   8   half a[2]; // expected-error{{declaring variable of type 'half [2]' is not allowed}}
   9   half b;    // expected-error{{declaring variable of type 'half' is not allowed}}
  10   *p; // expected-error{{loading directly from pointer to type 'half' is not allowed}}
  11   p[1]; // expected-error{{loading directly from pointer to type 'half' is not allowed}}
  12
  13   float c = 1.0f;
  14   b = (half) c;  // expected-error{{casting to type 'half' is not allowed}}
  15
  16   half *allowed = &p[1];
  17   half *allowed2 = &*p;
  18   half *allowed3 = p + 1;
  19
  20   return h;
  21 }
  22
  23 // Exactly the same as above but with the cl_khr_fp16 extension enabled.
  24 #pragma OPENCL EXTENSION cl_khr_fp16 : enable
  25 half half_enabled(half *p, half h)
  26 {
  27   half a[2];
  28   half b;
  29   *p;
  30   p[1];
  31
  32   float c = 1.0f;
  33   b = (half) c;
  34
  35   half *allowed = &p[1];
  36   half *allowed2 = &*p;
  37   half *allowed3 = p + 1;
  38
  39   return h;
  40 }