Method assign_loop_levels

cranelift/codegen/src/loop_analysis.rs:281–301

(&mut self)

    }

    fn assign_loop_levels(&mut self) {
        let mut stack: SmallVec<[Loop; 8]> = SmallVec::new();
        for lp in self.loops.keys() {
            if self.loops[lp].level == LoopLevel::invalid() {
                stack.push(lp);
                while let Some(&lp) = stack.last() {
                    if let Some(parent) = self.loops[lp].parent.into() {
                        if self.loops[parent].level != LoopLevel::invalid() {
                            self.loops[lp].level = self.loops[parent].level.inc();
                            stack.pop();
                        } else {
                            stack.push(parent);
                        }
                    } else {
                        self.loops[lp].level = LoopLevel::root().inc();
                        stack.pop();
                    }
                }
            }
        }
    }
}

#[cfg(test)]