1//RUN: %clang_cc1 -O0 -fsyntax-only -verify %s
2//RUN: %clang_cc1 -O0 -cl-std=CL2.0 -fsyntax-only -verify -DCL20 %s
3
4kernel void D (global int *x) {
5  int i = 10;
6#ifndef CL20
7  // expected-error@+2 {{'opencl_unroll_hint' attribute requires OpenCL version 2.0 or above}}
8#endif
9  __attribute__((opencl_unroll_hint))
10  do {
11  } while(i--);
12}
13
14#ifdef CL20
15kernel void C (global int *x) {
16  int I = 3;
17  __attribute__((opencl_unroll_hint(I))) // expected-error {{'opencl_unroll_hint' attribute requires an integer constant}}
18  while (I--);
19}
20
21kernel void E() {
22  __attribute__((opencl_unroll_hint(2,4))) // expected-error {{'opencl_unroll_hint' attribute takes no more than 1 argument}}
23  for(int i=0; i<100; i++);
24}
25
26kernel void F() {
27  __attribute__((opencl_unroll_hint(-1))) // expected-error {{'opencl_unroll_hint' attribute requires a positive integral compile time constant expression}}
28  for(int i=0; i<100; i++);
29}
30#endif
31