|  | // RUN: %clang_cc1 -cl-std=CL2.0 -triple "spir-unknown-unknown" %s -emit-llvm -O0 -o - | FileCheck %s | 
|  |  | 
|  | typedef char char2 __attribute((ext_vector_type(2))); | 
|  | typedef char char3 __attribute((ext_vector_type(3))); | 
|  | typedef char char8 __attribute((ext_vector_type(8))); | 
|  | typedef float float4 __attribute((ext_vector_type(4))); | 
|  |  | 
|  | // Check for optimized vec3 load/store which treats vec3 as vec4. | 
|  | void foo(char3 *P, char3 *Q) { | 
|  | *P = *Q; | 
|  | // CHECK: %{{.*}} = shufflevector <4 x i8> %{{.*}}, <4 x i8> poison, <3 x i32> <i32 0, i32 1, i32 2> | 
|  | } | 
|  |  | 
|  | // CHECK: define{{.*}} spir_func void @alignment() | 
|  | void alignment() { | 
|  | __private char2 data_generic[100]; | 
|  | __private char8 data_private[100]; | 
|  |  | 
|  | // CHECK: %{{.*}} = load <4 x float>, ptr addrspace(4) %{{.*}}, align 2 | 
|  | // CHECK: store <4 x float> %{{.*}}, ptr %{{.*}}, align 8 | 
|  | ((private float4 *)data_private)[1] = ((float4 *)data_generic)[2]; | 
|  | } |