Method is_in_loop

cranelift/codegen/src/loop_analysis.rs:132–138

Determine if a Block belongs to a loop by running a finger along the loop tree. Returns `true` if `block` is in loop `lp`.

(&self, block: Block, lp: Loop)

    ///
    /// Returns `true` if `block` is in loop `lp`.
    pub fn is_in_loop(&self, block: Block, lp: Loop) -> bool {
        let block_loop = self.block_loop_map[block];
        match block_loop.expand() {
            None => false,
            Some(block_loop) => self.is_child_loop(block_loop, lp),
        }
    }

    /// Determines if a loop is contained in another loop.
    ///