| // Copyright 2017 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| // compile-flags: -C no-prepopulate-passes |
| |
| #![crate_type = "lib"] |
| #![feature(core_intrinsics)] |
| |
| use std::intrinsics::{prefetch_read_data, prefetch_write_data, |
| prefetch_read_instruction, prefetch_write_instruction}; |
| |
| #[no_mangle] |
| pub fn check_prefetch_read_data(data: &[i8]) { |
| unsafe { |
| // CHECK: call void @llvm.prefetch(i8* %{{.*}}, i32 0, i32 0, i32 1) |
| prefetch_read_data(data.as_ptr(), 0); |
| // CHECK: call void @llvm.prefetch(i8* %{{.*}}, i32 0, i32 1, i32 1) |
| prefetch_read_data(data.as_ptr(), 1); |
| // CHECK: call void @llvm.prefetch(i8* %{{.*}}, i32 0, i32 2, i32 1) |
| prefetch_read_data(data.as_ptr(), 2); |
| // CHECK: call void @llvm.prefetch(i8* %{{.*}}, i32 0, i32 3, i32 1) |
| prefetch_read_data(data.as_ptr(), 3); |
| } |
| } |
| |
| #[no_mangle] |
| pub fn check_prefetch_write_data(data: &[i8]) { |
| unsafe { |
| // CHECK: call void @llvm.prefetch(i8* %{{.*}}, i32 1, i32 0, i32 1) |
| prefetch_write_data(data.as_ptr(), 0); |
| // CHECK: call void @llvm.prefetch(i8* %{{.*}}, i32 1, i32 1, i32 1) |
| prefetch_write_data(data.as_ptr(), 1); |
| // CHECK: call void @llvm.prefetch(i8* %{{.*}}, i32 1, i32 2, i32 1) |
| prefetch_write_data(data.as_ptr(), 2); |
| // CHECK: call void @llvm.prefetch(i8* %{{.*}}, i32 1, i32 3, i32 1) |
| prefetch_write_data(data.as_ptr(), 3); |
| } |
| } |
| |
| #[no_mangle] |
| pub fn check_prefetch_read_instruction(data: &[i8]) { |
| unsafe { |
| // CHECK: call void @llvm.prefetch(i8* %{{.*}}, i32 0, i32 0, i32 0) |
| prefetch_read_instruction(data.as_ptr(), 0); |
| // CHECK: call void @llvm.prefetch(i8* %{{.*}}, i32 0, i32 1, i32 0) |
| prefetch_read_instruction(data.as_ptr(), 1); |
| // CHECK: call void @llvm.prefetch(i8* %{{.*}}, i32 0, i32 2, i32 0) |
| prefetch_read_instruction(data.as_ptr(), 2); |
| // CHECK: call void @llvm.prefetch(i8* %{{.*}}, i32 0, i32 3, i32 0) |
| prefetch_read_instruction(data.as_ptr(), 3); |
| } |
| } |
| |
| #[no_mangle] |
| pub fn check_prefetch_write_instruction(data: &[i8]) { |
| unsafe { |
| // CHECK: call void @llvm.prefetch(i8* %{{.*}}, i32 1, i32 0, i32 0) |
| prefetch_write_instruction(data.as_ptr(), 0); |
| // CHECK: call void @llvm.prefetch(i8* %{{.*}}, i32 1, i32 1, i32 0) |
| prefetch_write_instruction(data.as_ptr(), 1); |
| // CHECK: call void @llvm.prefetch(i8* %{{.*}}, i32 1, i32 2, i32 0) |
| prefetch_write_instruction(data.as_ptr(), 2); |
| // CHECK: call void @llvm.prefetch(i8* %{{.*}}, i32 1, i32 3, i32 0) |
| prefetch_write_instruction(data.as_ptr(), 3); |
| } |
| } |
