Method pop_reg

winch/codegen/src/stack.rs:441–446

Pops the element at the top of the stack if it is a register; returns `None` otherwise.

(&mut self)

    /// Pops the element at the top of the stack if it is a register;
    /// returns `None` otherwise.
    pub fn pop_reg(&mut self) -> Option<TypedReg> {
        match self.peek() {
            Some(v) => v.is_reg().then(|| self.pop().unwrap().unwrap_reg()),
            _ => None,
        }
    }

    /// Pops the given register if it is at the top of the stack;
    /// returns `None` otherwise.