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// 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);
}
}
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