ext_vector_casts.c revision af3b980ef367e031051afd67ca3475bb7aa32db8 
1// RUN: %clang_cc1 -fsyntax-only -verify -fno-lax-vector-conversions %s
2
3typedef __attribute__(( ext_vector_type(2) )) float float2;
4typedef __attribute__(( ext_vector_type(4) )) int int4;
5typedef __attribute__(( ext_vector_type(8) )) short short8;
6typedef __attribute__(( ext_vector_type(4) )) float float4;
7typedef float t3 __attribute__ ((vector_size (16)));
8typedef __typeof__(sizeof(int)) size_t;
9typedef unsigned long ulong2 __attribute__ ((ext_vector_type(2)));
10typedef size_t stride4 __attribute__((ext_vector_type(4)));
11
12static void test() {
13    float2 vec2;
14    float4 vec4, vec4_2;
15    int4 ivec4;
16    short8 ish8;
17    t3 vec4_3;
18    int *ptr;
19    int i;
20
21    vec4 = 5.0f;
22    vec4 = (float4)5.0f;
23    vec4 = (float4)5;
24    vec4 = (float4)vec4_3;
25
26    ivec4 = (int4)5.0f;
27    ivec4 = (int4)5;
28    ivec4 = (int4)vec4_3;
29
30    i = (int)ivec4; // expected-error {{invalid conversion between vector type 'int4' and integer type 'int' of different size}}
31    i = ivec4; // expected-error {{assigning to 'int' from incompatible type 'int4'}}
32
33    ivec4 = (int4)ptr; // expected-error {{invalid conversion between vector type 'int4' and scalar type 'int *'}}
34
35    vec4 = (float4)vec2; // expected-error {{invalid conversion between ext-vector type 'float4' and 'float2'}}
36
37    ish8 += 5; // expected-error {{can't convert between vector values of different size ('short8' and 'int')}}
38    ish8 += (short)5;
39    ivec4 *= 5;
40     vec4 /= 5.2f;
41     vec4 %= 4; // expected-error {{invalid operands to binary expression ('float4' and 'int')}}
42    ivec4 %= 4;
43    ivec4 += vec4; // expected-error {{can't convert between vector values of different size ('int4' and 'float4')}}
44    ivec4 += (int4)vec4;
45    ivec4 -= ivec4;
46    ivec4 |= ivec4;
47    ivec4 += ptr; // expected-error {{can't convert between vector values of different size ('int4' and 'int *')}}
48}
49
50typedef __attribute__(( ext_vector_type(2) )) float2 vecfloat2; // expected-error{{invalid vector element type 'float2'}}
51
52void inc(float2 f2) {
53  f2++; // expected-error{{cannot increment value of type 'float2'}}
54  __real f2; // expected-error{{invalid type 'float2' to __real operator}}
55}
56
57typedef enum
58{
59    uchar_stride = 1,
60    uchar4_stride = 4,
61    ushort4_stride = 8,
62    short4_stride = 8,
63    uint4_stride = 16,
64    int4_stride = 16,
65    float4_stride = 16,
66} PixelByteStride;
67
68stride4 RDar15091442_get_stride4(int4 x, PixelByteStride pixelByteStride);
69stride4 RDar15091442_get_stride4(int4 x, PixelByteStride pixelByteStride)
70{
71    stride4 stride;
72    // This previously caused an assertion failure.
73    stride.lo = ((ulong2) x) * pixelByteStride; // no-warning
74    return stride;
75}
76
77