vowstar@gmail.com Huang Rui llvm/circt CIRCT is an umbrella project containing reusable compiler infrastructure for hardware design tools. It provides hardware intermediate representations, transformations, and command-line tools built on LLVM and MLIR. CIRCT 是一个为硬件设计工具提供可复用编译器基础设施的项目。它基于 LLVM 和 MLIR，提供硬件中间表示、转换流程和命令行工具。