llvm-project/clang/test/SemaOpenCL/half.cl

47 lines
1.5 KiB
Common Lisp

// RUN: %clang_cc1 %s -verify -pedantic -fsyntax-only -Wno-unused-value
#pragma OPENCL EXTENSION cl_khr_fp16 : disable
constant float f = 1.0h; // expected-error{{half precision constant requires cl_khr_fp16}}
half half_disabled(half *p, // expected-error{{declaring function return value of type 'half' is not allowed}}
half h) // expected-error{{declaring function parameter of type 'half' is not allowed}}
{
half a[2]; // expected-error{{declaring variable of type 'half [2]' is not allowed}}
half b; // expected-error{{declaring variable of type 'half' is not allowed}}
*p; // expected-error{{loading directly from pointer to type 'half' is not allowed}}
p[1]; // expected-error{{loading directly from pointer to type 'half' is not allowed}}
float c = 1.0f;
b = (half) c; // expected-error{{casting to type 'half' is not allowed}}
c = (float) 1.0h; // expected-error{{half precision constant requires cl_khr_fp16}}
b = 1.0h; // expected-error{{half precision constant requires cl_khr_fp16}}
half *allowed = &p[1];
half *allowed2 = &*p;
half *allowed3 = p + 1;
return h;
}
// Exactly the same as above but with the cl_khr_fp16 extension enabled.
#pragma OPENCL EXTENSION cl_khr_fp16 : enable
constant half a = 1.0h;
half half_enabled(half *p, half h)
{
half a[2];
half b;
*p;
p[1];
float c = 1.0f;
b = (half) c;
c = (float) 1.0h;
b = 1.0h;
half *allowed = &p[1];
half *allowed2 = &*p;
half *allowed3 = p + 1;
return h;
}