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 } 41
