Method remove_inst_and_step_back

cranelift/codegen/src/cursor.rs:561–566

Remove the instruction under the cursor. The cursor is left pointing at the position preceding the current instruction. Return the instruction that was removed.

(&mut self)

    ///
    /// Return the instruction that was removed.
    fn remove_inst_and_step_back(&mut self) -> ir::Inst {
        let inst = self.current_inst().expect("No instruction to remove");
        self.prev_inst();
        self.layout_mut().remove_inst(inst);
        inst
    }

    /// Replace the instruction under the cursor with `new_inst`.
    ///