130 lines · c
1// RUN: %clang_cc1 -triple x86_64-apple-macos10.7.0 -fsyntax-only -verify -flax-vector-conversions=none -Wconversion %s2 3typedef __attribute__((ext_vector_type(8))) _Bool BoolVector;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)));14typedef _Bool bool4 __attribute__(( ext_vector_type(4) ));15 16static void test(void) {17 float2 vec2;18 float3 vec3;19 float4 vec4, vec4_2;20 int4 ivec4;21 short8 ish8;22 t3 vec4_3;23 bool4 bvec4 = 0;24 int *ptr;25 int i;26 27 vec3 += vec2; // expected-error {{cannot convert between vector values of different size}}28 vec4 += vec3; // expected-error {{cannot convert between vector values of different size}}29 30 vec4 = 5.0f;31 vec4 = (float4)5.0f;32 vec4 = (float4)5;33 vec4 = (float4)vec4_3;34 35 ivec4 = (int4)5.0f;36 ivec4 = (int4)5;37 ivec4 = (int4)vec4_3;38 39 i = (int)ivec4; // expected-error {{invalid conversion between vector type 'int4' (vector of 4 'int' values) and integer type 'int' of different size}}40 i = ivec4; // expected-error {{assigning to 'int' from incompatible type 'int4' (vector of 4 'int' values)}}41 42 ivec4 = (int4)ptr; // expected-error {{invalid conversion between vector type 'int4' (vector of 4 'int' values) and scalar type 'int *'}}43 44 vec4 = (float4)vec2; // expected-error {{invalid conversion between ext-vector type 'float4' (vector of 4 'float' values) and 'float2' (vector of 2 'float' values)}}45 46 ish8 += 5;47 ivec4 *= 5;48 vec4 /= 5.2f;49 vec4 %= 4; // expected-error {{invalid operands to binary expression ('float4' (vector of 4 'float' values) and 'int')}}50 ivec4 %= 4;51 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))}}52 ivec4 += (int4)vec4;53 ivec4 -= ivec4;54 ivec4 |= ivec4;55 ivec4 += ptr; // expected-error {{cannot convert between vector and non-scalar values ('int4' (vector of 4 'int' values) and 'int *')}}56 57 bvec4 != 0; // expected-warning {{inequality comparison result unused}} \58 // expected-note {{use '|=' to turn this inequality comparison into an or-assignment}}59}60 61typedef __attribute__(( ext_vector_type(2) )) float2 vecfloat2; // expected-error{{invalid vector element type 'float2' (vector of 2 'float' values)}}62 63void inc(float2 f2) {64 f2++; // expected-error{{cannot increment value of type 'float2' (vector of 2 'float' values)}}65 __real f2; // expected-error{{invalid type 'float2' (vector of 2 'float' values) to __real operator}}66}67 68typedef enum69{70 uchar_stride = 1,71 uchar4_stride = 4,72 ushort4_stride = 8,73 short4_stride = 8,74 uint4_stride = 16,75 int4_stride = 16,76 float4_stride = 16,77} PixelByteStride;78 79stride4 RDar15091442_get_stride4(int4 x, PixelByteStride pixelByteStride);80stride4 RDar15091442_get_stride4(int4 x, PixelByteStride pixelByteStride)81{82 stride4 stride;83 // This previously caused an assertion failure.84 stride.lo = ((ulong2) x) * pixelByteStride; // no-warning85 return stride;86}87 88typedef __attribute__((ext_vector_type(4))) float float32x4_t;89 90typedef float C3DVector3 __attribute__((ext_vector_type(3)));91 92extern float32x4_t vabsq_f32(float32x4_t __a);93 94C3DVector3 Func(const C3DVector3 a) {95 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)}}96}97 98typedef double double2 __attribute__ ((ext_vector_type(2)));99 100static void splats(int i, long l, __uint128_t t, float f, double d) {101 short8 vs = 0;102 int4 vi = i;103 ulong2 vl = (unsigned long)l;104 float2 vf = f;105 double2 vd = d;106 107 vs = 65536 + vs; // expected-warning {{implicit conversion from 'int' to 'short8' (vector of 8 'short' values) changes value from 65536 to 0}}108 vs = vs + i; // expected-warning {{implicit conversion loses integer precision}}109 vs = vs + 1;110 vs = vs + 1.f; // expected-error {{cannot convert between vector values of different size}}111 112 vi = l + vi; // expected-warning {{implicit conversion loses integer precision}}113 vi = 1 + vi;114 vi = vi + 2.0; // expected-error {{cannot convert between vector values of different size}}115 vi = vi + 0xffffffff; // expected-warning {{implicit conversion changes signedness}}116 117 vl = l + vl; // expected-warning {{implicit conversion changes signedness}}118 vl = vl + t; // expected-warning {{implicit conversion loses integer precision}}119 120 vf = 1 + vf;121 vf = l + vf; // expected-warning {{implicit conversion from 'long' to 'float2' (vector of 2 'float' values) may lose precision}}122 vf = 2.0 + vf;123 vf = d + vf; // expected-warning {{implicit conversion loses floating-point precision}}124 vf = vf + 0xffffffff; // expected-warning {{implicit conversion from 'unsigned int' to 'float2' (vector of 2 'float' values) changes value from 4294967295 to 4294967296}}125 vf = vf + 2.1; // expected-warning {{implicit conversion loses floating-point precision}}126 127 vd = l + vd; // expected-warning {{implicit conversion from 'long' to 'double2' (vector of 2 'double' values) may lose precision}}128 vd = vd + t; // expected-warning {{implicit conversion from '__uint128_t' (aka 'unsigned __int128') to 'double2' (vector of 2 'double' values) may lose precision}}129}130