Method is_block_inserted

cranelift/codegen/src/ir/layout.rs:221–223

Is `block` currently part of the layout?

(&self, block: Block)

impl Layout {
    /// Is `block` currently part of the layout?
    pub fn is_block_inserted(&self, block: Block) -> bool {
        Some(block) == self.first_block || self.blocks[block].prev.is_some()
    }

    /// Insert `block` as the last block in the layout.
    pub fn append_block(&mut self, block: Block) {