17 lines · c
1// RUN: %clang_cc1 -ffreestanding -triple x86_64-unknown-unknown -target-feature +prfchw -emit-llvm -o - %s | FileCheck %s2 3 4#include <x86intrin.h>5 6void test_m_prefetch(void *p) {7 return _m_prefetch(p);8 // CHECK-LABEL: define{{.*}} void @test_m_prefetch9 // CHECK: call void @llvm.prefetch.p0({{.*}}, i32 0, i32 3, i32 1)10}11 12void test_m_prefetch_w(void *p) {13 return _m_prefetchw(p);14 // CHECK-LABEL: define{{.*}} void @test_m_prefetch_w15 // CHECK: call void @llvm.prefetch.p0({{.*}}, i32 1, i32 3, i32 1)16}17