// RUN: %clang_cc1 -no-opaque-pointers -ffreestanding -triple x86_64-unknown-unknown -target-feature +prfchw -emit-llvm -o - %s | FileCheck %s #include <x86intrin.h> void test_m_prefetch(void *p) { return _m_prefetch(p); // CHECK-LABEL: define{{.*}} void @test_m_prefetch // CHECK: call void @llvm.prefetch.p0i8({{.*}}, i32 0, i32 3, i32 1) } void test_m_prefetch_w(void *p) { return _m_prefetchw(p); // CHECK-LABEL: define{{.*}} void @test_m_prefetch_w // CHECK: call void @llvm.prefetch.p0i8({{.*}}, i32 1, i32 3, i32 1) }