test/Sema/ext_vector_casts.c

   1 // RUN: clang-cc -fsyntax-only -verify %s
   2
   3 typedef __attribute__(( ext_vector_type(2) )) float float2;
   4 typedef __attribute__(( ext_vector_type(4) )) int int4;
   5 typedef __attribute__(( ext_vector_type(8) )) short short8;
   6 typedef __attribute__(( ext_vector_type(4) )) float float4;
   7 typedef float t3 __attribute__ ((vector_size (16)));
   8
   9 static void test() {
  10     float2 vec2;
  11     float4 vec4, vec4_2;
  12     int4 ivec4;
  13     short8 ish8;
  14     t3 vec4_3;
  15     int *ptr;
  16     int i;
  17
  18     vec4 = 5.0f;
  19     vec4 = (float4)5.0f;
  20     vec4 = (float4)5;
  21     vec4 = (float4)vec4_3;
  22
  23     ivec4 = (int4)5.0f;
  24     ivec4 = (int4)5;
  25     ivec4 = (int4)vec4_3;
  26
  27     i = (int)ivec4; // expected-error {{invalid conversion between vector type 'int4' and integer type 'int' of different size}}
  28     i = ivec4; // expected-error {{incompatible type assigning 'int4', expected 'int'}}
  29
  30     ivec4 = (int4)ptr; // expected-error {{invalid conversion between vector type 'int4' and scalar type 'int *'}}
  31
  32     vec4 = (float4)vec2; // expected-error {{invalid conversion between ext-vector type 'float4' and 'float2'}}
  33
  34     ish8 += 5; // expected-error {{can't convert between vector values of different size ('short8' and 'int')}}
  35     ish8 += (short)5;
  36     ivec4 *= 5;
  37      vec4 /= 5.2f;
  38      vec4 %= 4; // expected-error {{invalid operands to binary expression ('float4' and 'int')}}
  39     ivec4 %= 4;
  40     ivec4 += vec4; // expected-error {{can't convert between vector values of different size ('float4' and 'int4')}}
  41     ivec4 += (int4)vec4;
  42     ivec4 -= ivec4;
  43     ivec4 |= ivec4;
  44     ivec4 += ptr; // expected-error {{can't convert between vector values of different size ('int4' and 'int *')}}
  45 }