(Slicemask (Const32 [0]))          => (Const32 [0])
(Slicemask (Const64 [x])) && x > 0 => (Const64 [-1])
(Slicemask (Const64 [0]))          => (Const64 [0])

// simplifications often used for lengths.  e.g. len(s[i:i+5])==5
(Sub(64|32|16|8) (Add(64|32|16|8) x y) x) => y
(Sub(64|32|16|8) (Add(64|32|16|8) x y) y) => x
(Sub(64|32|16|8) (Sub(64|32|16|8) x y) x) => (Neg(64|32|16|8) y)

			Terminated: &v1.ContainerStateTerminated{
				Reason:   kubecontainer.ContainerReasonStatusUnknown,
				Message:  "The container could not be located when the pod was deleted.  The container used to be Running",
				ExitCode: 137,
			},
		},
		RestartCount: restartCount,
	}
}
func ready(status v1.ContainerStatus) v1.ContainerStatus {
	status.Ready = true
	return status
}