Method saved_regs

crates/ir-to-asm/src/compiler/function_context.rs:126–128

Saved callee-saved registers and their stack offsets.

(&self)

    pub fn slot_for_reg(&self, reg: &IrRegister) -> Option<usize> {
        self.reg_slots.get(reg).copied()
    }

    /// Point a virtual register at an already-reserved stack slot offset.
    /// Used by slot coloring, where several registers share one slot.
    pub fn set_reg_slot(&mut self, reg: &IrRegister, slot: usize) {
        self.reg_slots.insert(reg.clone(), slot);