1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
// RUN: %clang_cc1 %s -verify -pedantic -fsyntax-only -Wno-unused-value -triple spir-unknown-unknown
#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' requires cl_khr_fp16. Use vector data load builtin functions instead}}
*p = 0; // expected-error{{assigning directly to pointer to type 'half' requires cl_khr_fp16. Use vector data store builtin functions instead}}
p[1]; // expected-error{{loading directly from pointer to type 'half' requires cl_khr_fp16. Use vector data load builtin functions instead}}
p[1] = 0; // expected-error{{assigning directly to pointer to type 'half' requires cl_khr_fp16. Use vector data store builtin functions instead}}
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;
}
kernel void half_disabled_kernel(global half *p,
half h); // expected-error{{declaring function parameter of type 'half' is not allowed; did you forget * ?}}
// 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 = 0;
p[1];
p[1] = 0;
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;
}
kernel void half_enabled_kernel(global half *p,
half h);
|
