| // 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); |
| } |
| } |
