1// RUN: %clang_cc1 -triple x86_64-apple-macos10.7.0 -fsyntax-only -verify -fno-lax-vector-conversions -Wconversion %s
2
3typedef __attribute__((ext_vector_type(8))) _Bool BoolVector; // expected-error {{invalid vector element type '_Bool'}}
4
5typedef __attribute__(( ext_vector_type(2) )) float float2;
6typedef __attribute__(( ext_vector_type(3) )) float float3;
7typedef __attribute__(( ext_vector_type(4) )) int int4;
8typedef __attribute__(( ext_vector_type(8) )) short short8;
9typedef __attribute__(( ext_vector_type(4) )) float float4;
10typedef float t3 __attribute__ ((vector_size (16)));
11typedef __typeof__(sizeof(int)) size_t;
12typedef unsigned long ulong2 __attribute__ ((ext_vector_type(2)));
13typedef size_t stride4 __attribute__((ext_vector_type(4)));
14
15static void test() {
16    float2 vec2;
17    float3 vec3;
18    float4 vec4, vec4_2;
19    int4 ivec4;
20    short8 ish8;
21    t3 vec4_3;
22    int *ptr;
23    int i;
24
25    vec3 += vec2; // expected-error {{cannot convert between vector values of different size}}
26    vec4 += vec3; // expected-error {{cannot convert between vector values of different size}}
27
28    vec4 = 5.0f;
29    vec4 = (float4)5.0f;
30    vec4 = (float4)5;
31    vec4 = (float4)vec4_3;
32
33    ivec4 = (int4)5.0f;
34    ivec4 = (int4)5;
35    ivec4 = (int4)vec4_3;
36
37    i = (int)ivec4; // expected-error {{invalid conversion between vector type 'int4' (vector of 4 'int' values) and integer type 'int' of different size}}
38    i = ivec4; // expected-error {{assigning to 'int' from incompatible type 'int4' (vector of 4 'int' values)}}
39
40    ivec4 = (int4)ptr; // expected-error {{invalid conversion between vector type 'int4' (vector of 4 'int' values) and scalar type 'int *'}}
41
42    vec4 = (float4)vec2; // expected-error {{invalid conversion between ext-vector type 'float4' (vector of 4 'float' values) and 'float2' (vector of 2 'float' values)}}
43
44    ish8 += 5;
45    ivec4 *= 5;
46     vec4 /= 5.2f;
47     vec4 %= 4; // expected-error {{invalid operands to binary expression ('float4' (vector of 4 'float' values) and 'int')}}
48    ivec4 %= 4;
49    ivec4 += vec4; // expected-error {{cannot convert between vector values of different size ('int4' (vector of 4 'int' values) and 'float4' (vector of 4 'float' values))}}
50    ivec4 += (int4)vec4;
51    ivec4 -= ivec4;
52    ivec4 |= ivec4;
53    ivec4 += ptr; // expected-error {{cannot convert between vector and non-scalar values ('int4' (vector of 4 'int' values) and 'int *')}}
54}
55
56typedef __attribute__(( ext_vector_type(2) )) float2 vecfloat2; // expected-error{{invalid vector element type 'float2' (vector of 2 'float' values)}}
57
58void inc(float2 f2) {
59  f2++; // expected-error{{cannot increment value of type 'float2' (vector of 2 'float' values)}}
60  __real f2; // expected-error{{invalid type 'float2' (vector of 2 'float' values) to __real operator}}
61}
62
63typedef enum
64{
65    uchar_stride = 1,
66    uchar4_stride = 4,
67    ushort4_stride = 8,
68    short4_stride = 8,
69    uint4_stride = 16,
70    int4_stride = 16,
71    float4_stride = 16,
72} PixelByteStride;
73
74stride4 RDar15091442_get_stride4(int4 x, PixelByteStride pixelByteStride);
75stride4 RDar15091442_get_stride4(int4 x, PixelByteStride pixelByteStride)
76{
77    stride4 stride;
78    // This previously caused an assertion failure.
79    stride.lo = ((ulong2) x) * pixelByteStride; // no-warning
80    return stride;
81}
82
83// rdar://16196902
84typedef __attribute__((ext_vector_type(4))) float float32x4_t;
85
86typedef float C3DVector3 __attribute__((ext_vector_type(3)));
87
88extern float32x4_t vabsq_f32(float32x4_t __a);
89
90C3DVector3 Func(const C3DVector3 a) {
91    return (C3DVector3)vabsq_f32((float32x4_t)a); // expected-error {{invalid conversion between ext-vector type 'float32x4_t' (vector of 4 'float' values) and 'C3DVector3' (vector of 3 'float' values)}}
92}
93
94// rdar://16350802
95typedef double double2 __attribute__ ((ext_vector_type(2)));
96
97static void splats(int i, long l, __uint128_t t, float f, double d) {
98  short8 vs = 0;
99  int4 vi = i;
100  ulong2 vl = (unsigned long)l;
101  float2 vf = f;
102  double2 vd = d;
103
104  vs = 65536 + vs; // expected-warning {{implicit conversion from 'int' to 'short8' (vector of 8 'short' values) changes value from 65536 to 0}}
105  vs = vs + i; // expected-warning {{implicit conversion loses integer precision}}
106  vs = vs + 1;
107  vs = vs + 1.f; // expected-error {{cannot convert between vector values of different size}}
108
109  vi = l + vi; // expected-warning {{implicit conversion loses integer precision}}
110  vi = 1 + vi;
111  vi = vi + 2.0; // expected-error {{cannot convert between vector values of different size}}
112  vi = vi + 0xffffffff; // expected-warning {{implicit conversion changes signedness}}
113
114  vl = l + vl; // expected-warning {{implicit conversion changes signedness}}
115  vl = vl + t; // expected-warning {{implicit conversion loses integer precision}}
116
117  vf = 1 + vf;
118  vf = l + vf;
119  vf = 2.0 + vf;
120  vf = d + vf; // expected-warning {{implicit conversion loses floating-point precision}}
121  vf = vf + 0xffffffff;
122  vf = vf + 2.1; // expected-warning {{implicit conversion loses floating-point precision}}
123
124  vd = l + vd;
125  vd = vd + t;
126}
127