RegArgs []Spill
	// OwnAux describes parameters and results for this function.
	OwnAux *AuxCall
	// CloSlot holds the compiler-synthesized name (".closureptr")
	// where we spill the closure pointer for range func bodies.
	CloSlot *ir.Name

	freeValues *Value // free Values linked by argstorage[0].  All other fields except ID are 0/nil.

	// Clobber pointer slots in all dead variables at entry.
	if b == lv.f.Entry {
		for len(oldSched) > 0 && len(oldSched[0].Args) == 0 {
			// Skip argless ops. We need to skip at least
			// the lowered ClosurePtr op, because it
			// really wants to be first. This will also
			// skip ops like InitMem and SP, which are ok.
			b.Values = append(b.Values, oldSched[0])
			oldSched = oldSched[1:]
		}