mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-27 01:04:03 +00:00
64 lines
2.6 KiB
Rust
64 lines
2.6 KiB
Rust
// 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{{.*}}({{.*}}, i32 0, i32 0, i32 1)
|
|
prefetch_read_data(data.as_ptr(), 0);
|
|
// CHECK: call void @llvm.prefetch{{.*}}({{.*}}, i32 0, i32 1, i32 1)
|
|
prefetch_read_data(data.as_ptr(), 1);
|
|
// CHECK: call void @llvm.prefetch{{.*}}({{.*}}, i32 0, i32 2, i32 1)
|
|
prefetch_read_data(data.as_ptr(), 2);
|
|
// CHECK: call void @llvm.prefetch{{.*}}({{.*}}, 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{{.*}}({{.*}}, i32 1, i32 0, i32 1)
|
|
prefetch_write_data(data.as_ptr(), 0);
|
|
// CHECK: call void @llvm.prefetch{{.*}}({{.*}}, i32 1, i32 1, i32 1)
|
|
prefetch_write_data(data.as_ptr(), 1);
|
|
// CHECK: call void @llvm.prefetch{{.*}}({{.*}}, i32 1, i32 2, i32 1)
|
|
prefetch_write_data(data.as_ptr(), 2);
|
|
// CHECK: call void @llvm.prefetch{{.*}}({{.*}}, 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{{.*}}({{.*}}, i32 0, i32 0, i32 0)
|
|
prefetch_read_instruction(data.as_ptr(), 0);
|
|
// CHECK: call void @llvm.prefetch{{.*}}({{.*}}, i32 0, i32 1, i32 0)
|
|
prefetch_read_instruction(data.as_ptr(), 1);
|
|
// CHECK: call void @llvm.prefetch{{.*}}({{.*}}, i32 0, i32 2, i32 0)
|
|
prefetch_read_instruction(data.as_ptr(), 2);
|
|
// CHECK: call void @llvm.prefetch{{.*}}({{.*}}, 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{{.*}}({{.*}}, i32 1, i32 0, i32 0)
|
|
prefetch_write_instruction(data.as_ptr(), 0);
|
|
// CHECK: call void @llvm.prefetch{{.*}}({{.*}}, i32 1, i32 1, i32 0)
|
|
prefetch_write_instruction(data.as_ptr(), 1);
|
|
// CHECK: call void @llvm.prefetch{{.*}}({{.*}}, i32 1, i32 2, i32 0)
|
|
prefetch_write_instruction(data.as_ptr(), 2);
|
|
// CHECK: call void @llvm.prefetch{{.*}}({{.*}}, i32 1, i32 3, i32 0)
|
|
prefetch_write_instruction(data.as_ptr(), 3);
|
|
}
|
|
}
|