return true
	}
	if typ.IsInteger() {
		return typ.Size() <= b.Func.Config.RegSize
	}
	return false
}

// needRaceCleanup reports whether this call to racefuncenter/exit isn't needed.
func needRaceCleanup(sym *AuxCall, v *Value) bool {
	f := v.Block.Func
	if !f.Config.Race {
		return false
	}

			(Store {t4} (OffPtr <tt4> [o4] dst) d3
				(Store {t5} (OffPtr <tt5> [o5] dst) d4
					(Zero {t1} [n] dst mem)))))

(SelectN [0] call:(StaticLECall {sym} a x)) && needRaceCleanup(sym, call) && clobber(call) => x
(SelectN [0] call:(StaticLECall {sym} x)) && needRaceCleanup(sym, call) && clobber(call) => x

// When rewriting append to growslice, we use as the new length the result of