mirror of
https://github.com/rust-lang/rust.git
synced 2025-10-02 18:27:37 +00:00
57 lines
2.4 KiB
Rust
57 lines
2.4 KiB
Rust
//@ compile-flags: -C no-prepopulate-passes
|
|
|
|
#![crate_type = "lib"]
|
|
#![feature(core_intrinsics)]
|
|
|
|
use std::intrinsics::{
|
|
prefetch_read_data, prefetch_read_instruction, prefetch_write_data, prefetch_write_instruction,
|
|
};
|
|
|
|
#[no_mangle]
|
|
pub fn check_prefetch_read_data(data: &[i8]) {
|
|
// CHECK: call void @llvm.prefetch{{.*}}({{.*}}, i32 0, i32 0, i32 1)
|
|
prefetch_read_data::<_, 0>(data.as_ptr());
|
|
// CHECK: call void @llvm.prefetch{{.*}}({{.*}}, i32 0, i32 1, i32 1)
|
|
prefetch_read_data::<_, 1>(data.as_ptr());
|
|
// CHECK: call void @llvm.prefetch{{.*}}({{.*}}, i32 0, i32 2, i32 1)
|
|
prefetch_read_data::<_, 2>(data.as_ptr());
|
|
// CHECK: call void @llvm.prefetch{{.*}}({{.*}}, i32 0, i32 3, i32 1)
|
|
prefetch_read_data::<_, 3>(data.as_ptr());
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub fn check_prefetch_write_data(data: &[i8]) {
|
|
// CHECK: call void @llvm.prefetch{{.*}}({{.*}}, i32 1, i32 0, i32 1)
|
|
prefetch_write_data::<_, 0>(data.as_ptr());
|
|
// CHECK: call void @llvm.prefetch{{.*}}({{.*}}, i32 1, i32 1, i32 1)
|
|
prefetch_write_data::<_, 1>(data.as_ptr());
|
|
// CHECK: call void @llvm.prefetch{{.*}}({{.*}}, i32 1, i32 2, i32 1)
|
|
prefetch_write_data::<_, 2>(data.as_ptr());
|
|
// CHECK: call void @llvm.prefetch{{.*}}({{.*}}, i32 1, i32 3, i32 1)
|
|
prefetch_write_data::<_, 3>(data.as_ptr());
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub fn check_prefetch_read_instruction(data: &[i8]) {
|
|
// CHECK: call void @llvm.prefetch{{.*}}({{.*}}, i32 0, i32 0, i32 0)
|
|
prefetch_read_instruction::<_, 0>(data.as_ptr());
|
|
// CHECK: call void @llvm.prefetch{{.*}}({{.*}}, i32 0, i32 1, i32 0)
|
|
prefetch_read_instruction::<_, 1>(data.as_ptr());
|
|
// CHECK: call void @llvm.prefetch{{.*}}({{.*}}, i32 0, i32 2, i32 0)
|
|
prefetch_read_instruction::<_, 2>(data.as_ptr());
|
|
// CHECK: call void @llvm.prefetch{{.*}}({{.*}}, i32 0, i32 3, i32 0)
|
|
prefetch_read_instruction::<_, 3>(data.as_ptr());
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub fn check_prefetch_write_instruction(data: &[i8]) {
|
|
// CHECK: call void @llvm.prefetch{{.*}}({{.*}}, i32 1, i32 0, i32 0)
|
|
prefetch_write_instruction::<_, 0>(data.as_ptr());
|
|
// CHECK: call void @llvm.prefetch{{.*}}({{.*}}, i32 1, i32 1, i32 0)
|
|
prefetch_write_instruction::<_, 1>(data.as_ptr());
|
|
// CHECK: call void @llvm.prefetch{{.*}}({{.*}}, i32 1, i32 2, i32 0)
|
|
prefetch_write_instruction::<_, 2>(data.as_ptr());
|
|
// CHECK: call void @llvm.prefetch{{.*}}({{.*}}, i32 1, i32 3, i32 0)
|
|
prefetch_write_instruction::<_, 3>(data.as_ptr());
|
|
}
|