[llvm] IR2Builder tool for converting LLVM IR files into C++ IRBuilder API (PR #117129)

[Nikita Popov via llvm-commits]

nikic wrote:

> ConstantExpr creation.

You can create ConstantExprs using the usual IRBuilder APIs for instructions. IRBuilder will automatically convert to ConstExpr where possible.

https://github.com/llvm/llvm-project/pull/117129