duskphantom_middle/transform/loop_depth.rs
1// Copyright 2024 Duskphantom Authors
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7// http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14//
15// SPDX-License-Identifier: Apache-2.0
16
17use crate::analysis::loop_tools::{LoopForest, LoopTree};
18
19use anyhow::{Ok, Result};
20
21#[derive(Default)]
22pub struct LoopDepthTracer {}
23
24impl LoopDepthTracer {
25 pub fn run(loop_forest: &LoopForest) -> Result<()> {
26 for loop_tree in loop_forest.forest.iter() {
27 Self::run_a_loop(1, loop_tree)?;
28 }
29 Ok(())
30 }
31
32 fn run_a_loop(depth: usize, loop_tree: &LoopTree) -> Result<()> {
33 for mut bb in loop_tree.blocks.iter().cloned() {
34 bb.depth = depth;
35 }
36
37 for sub_loop in loop_tree.sub_loops.iter() {
38 Self::run_a_loop(depth + 1, sub_loop)?;
39 }
40 Ok(())
41 }
42}