// to the syncPod arguments, and this should be recorded on the first sync.
	// Leaving it here complicates a particularly important loop.
	metrics.ContainersPerPodCount.Observe(float64(len(update.Options.Pod.Spec.Containers)))

	return ctx, update, true, true, true
}

func podUIDAndRefForUpdate(update UpdatePodOptions) (types.UID, klog.ObjectRef) {
	if update.RunningPod != nil {

		// also want to give each script as high a limit as possible.
		// We arbitrarily split by sqrt(n) to try to balance those two goals.
		netTestLimit := int(math.Sqrt(float64(n)))
		netTestSem = make(chan struct{}, netTestLimit)
		reducedLimit := fmt.Sprintf(",%s=%d", base.NetLimitGodebug.Name(), n/netTestLimit)
		os.Setenv("GODEBUG", os.Getenv("GODEBUG")+reducedLimit)
	}

	sweepHeapLiveBasis uint64         // value of gcController.heapLive to use as the origin of sweep ratio; written with lock, read without
	sweepPagesPerByte  float64        // proportional sweep ratio; written with lock, read without

	// Page reclaimer state

	// reclaimIndex is the page index in allArenas of next page to
	// reclaim. Specifically, it refers to page (i %

(Rsh8x64 x (Const64 [c])) && uint64(c) >= 8 => (SRAconst (SLLconst <typ.UInt32> x [24]) [31])

// constants
(Const(8|16|32) [val]) => (MOVWconst [int32(val)])
(Const(32|64)F [val]) => (MOV(F|D)const [float64(val)])
(ConstNil) => (MOVWconst [0])
(ConstBool [t]) => (MOVWconst [b2i32(t)])

// truncations
// Because we ignore high parts of registers, truncates are just copies.
(Trunc16to8 ...) => (Copy ...)

(Com(64|32|16|8) ...) => (NOT(Q|L|L|L) ...)

(Neg(64|32|16|8) ...) => (NEG(Q|L|L|L) ...)
(Neg32F x) => (PXOR x (MOVSSconst <typ.Float32> [float32(math.Copysign(0, -1))]))
(Neg64F x) => (PXOR x (MOVSDconst <typ.Float64> [math.Copysign(0, -1)]))

// Lowering boolean ops
(AndB ...) => (ANDL ...)
(OrB ...) => (ORL ...)
(Not x) => (XORLconst [1] x)

// Lowering pointer arithmetic