clang/test/SemaOpenCLCXX/template-astype.cl

   1 // RUN: %clang_cc1 -fdeclare-opencl-builtins -finclude-default-header %s -cl-std=clc++ -verify
   2
   3 // Test as_type, which is defined in terms of __builtin_astype.
   4 template <typename T>
   5 auto templated_astype(T x) {
   6   return as_int2(x);
   7   // expected-error@-1{{invalid reinterpretation: sizes of 'int2' (vector of 2 'int' values) and '__private int' must match}}
   8 }
   9
  10 auto test_long(long x) { return templated_astype(x); }
  11
  12 auto neg_test_int(int x) { return templated_astype(x); }
  13 // expected-note@-1{{in instantiation of function template specialization 'templated_astype<int>' requested here}}
  14
  15 auto test_short4(short4 x) { return templated_astype(x); }
  16
  17 // Test __builtin_astype.
  18 template <typename T>
  19 auto templated_builtin_astype(T x) {
  20   return __builtin_astype(x, int2);
  21 }
  22
  23 auto test_builtin(char8 x) { return templated_builtin_astype(x); }