Method prev_block_position

cranelift/codegen/src/cursor.rs:358–368

Get the position that a `cursor.prev_block()` call would move this cursor to, but do not update this cursor's position.

(&self)

    /// Get the position that a `cursor.prev_block()` call would move this
    /// cursor to, but do not update this cursor's position.
    fn prev_block_position(&self) -> CursorPosition {
        let prev = if let Some(block) = self.current_block() {
            self.layout().prev_block(block)
        } else {
            self.layout().last_block()
        };
        match prev {
            Some(block) => CursorPosition::After(block),
            None => CursorPosition::Nowhere,
        }
    }

    /// Go to the bottom of the previous block in layout order and return it.
    ///