Huanghuang Zhou

Results 2 issues of Huanghuang Zhou

Change **br**, **cond_br** to **cf.br**, **cf.cond_br** when convert to mlir format. --- The test file borrow from moore repos. The llhd format can run safely under rust/llhd-sim. I wonder if...

Follow the [README.md](https://github.com/fabianschuiki/moore/blob/master/README.md) to build the lllvm and then circt. It will raise an error ``` CMake Error at llvm/install/lib/cmake/llvm/AddLLVM.cmake:1820 (add_dependencies): The dependency target "mlir-cpu-runner" of target "check-circt" does not...