Method exit_label

winch/codegen/src/codegen/control.rs:626–633

Returns the exit label of the current control stack frame. Note that this is similar to [`ControlStackFrame::label`], with the only difference that it returns `None` for `Loop` since its label doesn't represent an exit.

(&self)

    /// this is similar to [`ControlStackFrame::label`], with the only difference that it
    /// returns `None` for `Loop` since its label doesn't represent an exit.
    pub fn exit_label(&self) -> Option<&MachLabel> {
        use ControlStackFrame::*;

        match self {
            If { exit, .. } | Else { exit, .. } | Block { exit, .. } => Some(exit),
            Loop { .. } => None,
        }
    }

    /// Set the current control stack frame as a branch target.
    pub fn set_as_target(&mut self) {