* unify utils naming style

* polish details

* split phi and fluid infermeta context

* resolve conflict

* fix type error

* optimize scheduling perf

* spec small vector size

* replace all grad var name

* fix test failed

* move init defalut signature

* polish details

* polish details

* fix no init bug

* init sig for tests

* add init sig for infer

* fix infrt error

* fix infrt failed

* fix kunlun error

* fix infrt failed

* change some symbol names

* add test

* add phi to opt.cc

* clean code

* up

* update

* up

* up

* Update pten_pass.mlir

* Update convolution_grad_kernel.cc

* update

* restore init_infrt_dialects

* restore

* up

* up

* up
Co-authored-by: NSuperjomn <yanchunwei@outlook.com>