Method
deepOptimize
对节点做深度优化（包括单元格和参数引用），常数表达式先算成常数 @param ctx 计算上下文 @param Node 优化后的节点
(Context ctx)
Source from the content-addressed store, hash-verified
source not stored for this graph (policy: none)
Callers
nothing calls this directly
Tested by
no test coverage detected