clang/test/Parser/opencl-unroll-hint.cl

   1 //RUN: %clang_cc1 -cl-std=CL2.0 -fsyntax-only -verify %s
   2
   3 kernel void B (global int *x) {
   4   __attribute__((opencl_unroll_hint(42))) // expected-error {{'opencl_unroll_hint' attribute only applies to 'for', 'while', and 'do' statements}}
   5   if (x[0])
   6     x[0] = 15;
   7 }
   8
   9 void parse_order_error() {
  10   // Ensure we properly diagnose OpenCL loop attributes on the incorrect
  11   // subject in the presence of other attributes.
  12   int i = 1000;
  13   __attribute__((nomerge, opencl_unroll_hint(8))) // expected-error {{'opencl_unroll_hint' attribute only applies to 'for', 'while', and 'do' statements}}
  14   if (i) { parse_order_error(); } // Recursive call silences unrelated diagnostic about nomerge.
  15
  16   __attribute__((opencl_unroll_hint(8), nomerge)) // expected-error {{'opencl_unroll_hint' attribute only applies to 'for', 'while', and 'do' statements}}
  17   if (i) { parse_order_error(); } // Recursive call silences unrelated diagnostic about nomerge.
  18
  19   __attribute__((nomerge, opencl_unroll_hint(8))) // OK
  20   while (1) { parse_order_error(); } // Recursive call silences unrelated diagnostic about nomerge.
  21 }