This is a tool for compiler developers of LLVM. This vscode extension can support exploring LLVM IR and machine IR after each pass - https://github.com/sunxfancy/vscode-llvm

Interested in hearing more about how you are using this. Are you working on a compiler right now?

I am not using this atm. But I have long been pondering over to jump into this space. Creating my own language. This one poped up in one of my threads and since I plan on using LLVM I bookmarked it right away and then thought of FOC. I guessed many folks here could be interested in this one. A handy visualisation of LLVM IR can be pretty useful, IMHO.