Method is_valid

cranelift/codegen/src/ir/dfg.rs:73–75

Returns `true` if the given block reference is valid.

(&self, block: Block)

    /// Returns `true` if the given block reference is valid.
    pub fn is_valid(&self, block: Block) -> bool {
        self.0.is_valid(block)
    }

    /// Iterate over all blocks, regardless whether a block is actually inserted
    /// in the layout or not.