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				// RUN: %clang_cc1 %s -triple spir -verify -pedantic -fsyntax-only -cl-std=CL1.2 -DCL12
				// RUN: %clang_cc1 %s -triple spir -verify -pedantic -fsyntax-only -cl-std=CL2.0 -DCL20

				typedef float float4 __attribute__((ext_vector_type(4)));
				typedef int int4 __attribute__((ext_vector_type(4)));
				typedef int int2 __attribute__((ext_vector_type(2)));
				typedef unsigned int uint;

				kernel void test(global float4* buf, global int4* res)
				{
				res[0] = convert_int4(buf[0]);
				}

				kernel void test2(global int* bar) {
				bar[0] = foo_version(bar);
				}

				kernel void test3(constant int* bar, global int* baz) {
				baz[0] = foo_version(bar);
				#ifdef CL12
				// expected-error@-2{{passing '__constant int ' to parameter of type '__global int ' changes address space of pointer}}
				#endif
				}

				kernel void test4(image2d_t img, int2 coord, global float4* out) {
				out[0] = read_imagef(img, coord);
				}

				kernel void test5(write_only image2d_t img, int2 coord, float4 colour) {
				write_imagef(img, coord, colour);
				}

				#ifdef CL20
				kernel void test6(global uint* out) {
				out[0] = get_sub_group_size();
				// expected-error@-1{{use of declaration 'get_sub_group_size' requires cl_khr_subgroups extension to be enabled}}
				#pragma OPENCL EXTENSION cl_khr_subgroups : enable
				out[1] = get_sub_group_size();
				}
				#endif