[llvm] [WebAssembly] Unstackify operands for removed terminators (PR #149432)

[Nikita Popov via llvm-commits]

https://github.com/nikic commented:

Hm, couldn't this still potentially cause issues with `tee` instructions? That is, if a register does stay unstackified and it happens to be the first result of `tee`?

Otherwise this looks reasonable to me.

https://github.com/llvm/llvm-project/pull/149432