| // RUN: %clang_cc1 %s -emit-llvm -O0 -o - | FileCheck %s | |
| typedef char char3 __attribute((ext_vector_type(3)));; | |
| // 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> undef, <3 x i32> <i32 0, i32 1, i32 2> | |
| } |