Method append_block_param

cranelift/frontend/src/frontend.rs:752–758

Creates a parameter for a specific [`Block`] by appending it to the list of already existing parameters. Note:** this function has to be called at the creation of the `Block` before adding instructions to it, otherwise this could interfere with SSA construction.

(&mut self, block: Block, ty: Type)

    /// **Note:** this function has to be called at the creation of the `Block` before adding
    /// instructions to it, otherwise this could interfere with SSA construction.
    pub fn append_block_param(&mut self, block: Block, ty: Type) -> Value {
        debug_assert!(
            self.is_pristine(block),
            "You can't add block parameters after adding any instruction"
        );
        self.func.dfg.append_block_param(block, ty)
    }

    /// Returns the result values of an instruction.
    pub fn inst_results(&self, inst: Inst) -> &[Value] {