clang/test/Parser/opencl-astype.cl

   1 // RUN: %clang_cc1 -fsyntax-only -verify %s -triple spir-unknown-unknown
   2 #pragma OPENCL EXTENSION cl_khr_fp64 : enable
   3
   4 void test_astype() {
   5   float f = 1.0f;
   6   unsigned int i = __builtin_astype(f, unsigned int);
   7
   8   typedef __attribute__(( ext_vector_type(4) ))  int int4;
   9   typedef __attribute__(( ext_vector_type(3) ))  float float3;
  10   typedef __attribute__(( ext_vector_type(4) ))  float float4;
  11   typedef __attribute__(( ext_vector_type(4) ))  double double4;
  12
  13   float4 f4;
  14   double4 d4 = __builtin_astype(f4, double4); // expected-error{{invalid reinterpretation: sizes of 'double4' (vector of 4 'double' values) and '__private float4' (vector of 4 'float' values) must match}}
  15
  16   // Verify int4->float3, float3->int4 works.
  17   int4 i4;
  18   float3 f3 = __builtin_astype(i4, float3);
  19   i4 = __builtin_astype(f3, int4);
  20 }