1// RUN: %clang_cc1 -triple x86_64-unknown-unknown -target-feature +prfchw -emit-llvm -o - %s | FileCheck %s
2
3// Don't include mm_malloc.h, it's system specific.
4#define __MM_MALLOC_H
5
6#include <x86intrin.h>
7
8void prefetch_w(void *p) {
9  return _m_prefetchw(p);
10// CHECK: @prefetch_w
11// CHECK: call void @llvm.prefetch({{.*}}, i32 1, i32 3, i32 1)
12}
13