[Mlir-commits] [mlir] [mlir][dataflow] Update dataflow tutorial doc and add dataflow example code (PR #149296)

[lonely eagle]

linuxlonelyeagle wrote:

@ftynse @joker-eph @krzysz00 I carefully studied @ftynse 's suggestions. I think retaining the analysis of matedata is sufficient.Since this document is a tutorial, an introduction to SparseForwardDataFlowAnalysis is sufficient.As @ftynse  mentioned, the DataFlowAnalysis class is rarely used directly.
Current metadata analysis still has some issues; I will explicitly define its upper and lower bounds. There is also a branch example.

I'm undecided and would like to hear your thoughts.Thank you.

https://github.com/llvm/llvm-project/pull/149296