clang/test/SemaOpenCL/vec_step.cl

   1 // RUN: %clang_cc1 -fsyntax-only -pedantic -verify %s
   2
   3 typedef int int2 __attribute__((ext_vector_type(2)));
   4 typedef int int3 __attribute__((ext_vector_type(3)));
   5 typedef int int4 __attribute__((ext_vector_type(4)));
   6 typedef int int8 __attribute__((ext_vector_type(8)));
   7 typedef int int16 __attribute__((ext_vector_type(16)));
   8
   9 void foo(int3 arg1, int8 arg2) {
  10   int4 auto1;
  11   int16 *auto2;
  12   int auto3;
  13   int2 auto4;
  14   struct S *incomplete1;
  15
  16   int res1[vec_step(arg1) == 4 ? 1 : -1];
  17   int res2[vec_step(arg2) == 8 ? 1 : -1];
  18   int res3[vec_step(auto1) == 4 ? 1 : -1];
  19   int res4[vec_step(*auto2) == 16 ? 1 : -1];
  20   int res5[vec_step(auto3) == 1 ? 1 : -1];
  21   int res6[vec_step(auto4) == 2 ? 1 : -1];
  22   int res7[vec_step(int2) == 2 ? 1 : -1];
  23   int res8[vec_step(int3) == 4 ? 1 : -1];
  24   int res9[vec_step(int4) == 4 ? 1 : -1];
  25   int res10[vec_step(int8) == 8 ? 1 : -1];
  26   int res11[vec_step(int16) == 16 ? 1 : -1];
  27   int res12[vec_step(void) == 1 ? 1 : -1];
  28
  29   int res13 = vec_step(*incomplete1); // expected-error {{'vec_step' requires built-in scalar or vector type, '__private struct S' invalid}}
  30   int res14 = vec_step(int16*); // expected-error {{'vec_step' requires built-in scalar or vector type, '__private int16 *' invalid}}
  31   int res15 = vec_step(void(void)); // expected-error {{'vec_step' requires built-in scalar or vector type, 'void (void)' invalid}}
  32
  33   int res_no_effect = vec_step(auto3++); // expected-warning {{expression with side effects has no effect in an unevaluated context}}
  34 }