Files
llvm-project/clang/test/SemaOpenCL/unroll-hint.cl
Anastasia Stulova 6bdbcbb3d9 [OpenCL] Generate metadata for opencl_unroll_hint attribute
Add support for opencl_unroll_hint attribute from OpenCL v2.0 s6.11.5.

Reusing most of metadata generation from CGLoopInfo helper class.

The code is based on Khronos OpenCL compiler:
https://github.com/KhronosGroup/SPIR/tree/spirv-1.0

Patch by Liu Yaxun (Sam)!

Differential Revision: http://reviews.llvm.org/D16686

llvm-svn: 261350
2016-02-19 18:30:11 +00:00

31 lines
926 B
Common Lisp

//RUN: %clang_cc1 -O0 -fsyntax-only -verify %s
//RUN: %clang_cc1 -O0 -cl-std=CL2.0 -fsyntax-only -verify -DCL20 %s
kernel void D (global int *x) {
int i = 10;
#ifndef CL20
// expected-error@+2 {{'opencl_unroll_hint' attribute requires OpenCL version 2.0 or above}}
#endif
__attribute__((opencl_unroll_hint))
do {
} while(i--);
}
#ifdef CL20
kernel void C (global int *x) {
int I = 3;
__attribute__((opencl_unroll_hint(I))) // expected-error {{'opencl_unroll_hint' attribute requires an integer constant}}
while (I--);
}
kernel void E() {
__attribute__((opencl_unroll_hint(2,4))) // expected-error {{'opencl_unroll_hint' attribute takes no more than 1 argument}}
for(int i=0; i<100; i++);
}
kernel void F() {
__attribute__((opencl_unroll_hint(-1))) // expected-error {{'opencl_unroll_hint' attribute requires a positive integral compile time constant expression}}
for(int i=0; i<100; i++);
}
#endif