|  | // RUN: %clang_cc1 -triple i686-linux-gnu -target-cpu i686 -emit-llvm %s -o - | FileCheck %s | 
|  |  | 
|  | typedef signed long long V2LLi __attribute__((vector_size(16))); | 
|  | typedef signed long long V4LLi __attribute__((vector_size(32))); | 
|  |  | 
|  | // Make sure builtin forces a min-legal-width attribute | 
|  | void foo(void) { | 
|  | V2LLi  tmp_V2LLi; | 
|  |  | 
|  | tmp_V2LLi = __builtin_ia32_undef128(); | 
|  | } | 
|  |  | 
|  | // Make sure explicit attribute larger than builtin wins. | 
|  | void goo(void) __attribute__((__min_vector_width__(256))) { | 
|  | V2LLi  tmp_V2LLi; | 
|  |  | 
|  | tmp_V2LLi = __builtin_ia32_undef128(); | 
|  | } | 
|  |  | 
|  | // Make sure builtin larger than explicit attribute wins. | 
|  | void hoo(void) __attribute__((__min_vector_width__(128))) { | 
|  | V4LLi  tmp_V4LLi; | 
|  |  | 
|  | tmp_V4LLi = __builtin_ia32_undef256(); | 
|  | } | 
|  |  | 
|  | // CHECK: foo{{.*}} #0 | 
|  | // CHECK: goo{{.*}} #1 | 
|  | // CHECK: hoo{{.*}} #1 | 
|  |  | 
|  | // CHECK: #0 = {{.*}}"min-legal-vector-width"="128" | 
|  | // CHECK: #1 = {{.*}}"min-legal-vector-width"="256" |