* Fix the null ptr bug in build_cinn_pass.

* Add test for empty&ctrl var.

* Init the functions of CinnCompiler.

* Add the unit test for CinnCompiler.

* Fix some compilation errors.

* Update the UT of cinn_compiler.

* Use Decomposer&OpFusion passes in CinnCompiler::CompileGraph.

* Update some comments.

* Uncomment some includes in build_cinn_pass.cc.

* Use refs instead of ptrs as returned types of FindGraph & Compile in
CinnCompiler.

* Use the merged CinnGraphSymbolization functions in CinnCompiler.

* add cinn graph symbolization

* fix some bug

* add paddle scope to cinn scope

* add paddle scope to CINN scope in Symbolization, and add feed op when build cinn pass

* fix some bug

* fix some bug by review advices

* optimize code problem

* revert build_cinn_pass and move the change to https://github.com/PaddlePaddle/Paddle/pull/36503

* fix some bug after co-compilation

* perfect single test script

* remove scope and rename feed_target to input_tensor

* using std::unordered_map instead of absl::flat_hash_map

* fix single test bug

* revert to preverion for WITH_CINN has add in later PR

* full error information for CI

* full enfore information for CI pass

* add transformer of paddle desc and cinn desc

* change LOG(FATAL) to PADDLE_THROW for ci

* full error imformation for ci

* fix some problem as review advice

* fix some bug

* move vat type utils to tansform_desc header file

* add if NOT WITH_CINN control whether compile

* build_strategy check whether open WITH_CINN

* add control WITH_CINN in cmake

* add feed op and new var for the generated subgraph

* perfect the test script of build_cinn_pass 

* remove useless clear and perfect some annotation

* Add CinnSubgraphSearchPass

* solve CI problem of subgraph order not same

* fix some bug by review advices

* ensure the independently of subgraph, that mean the subgraph should not have link to out-graph

* rename cinn_subgraph_search_pass to build_cinn_pass and delete paddle_to_cinn_pass

* add flag to control wheter append build cinn pass

* remove AppendPass at ParallelExecutorPassBuilder

* rename paddle_to_cinn_pass to build_cinn_pass in build_strategy and close test_run_from_cinn

Add use_cinn flag and use it to control whether we run PaddlePaddle using CINN.

Also add:

Replace PaddlePaddle graph with a CINN graph in a pass
PE Method to feed data and run the graph by CINN

* Add Basic CINN Runner Class

* Add CinnCacheKey

* Add Cache logic and improve CinnCacheKey


* Modify as reviewer commented

* Implement hash_combine to fix MAC build.