[llvm] [PowerPC] Fix lowering when performing conditional jumps on f128 or f16 (PR #125776)

[Nikita Popov via llvm-commits]

https://github.com/nikic commented:

I don't think that fixing this should involve custom lowering. This is either an issue with legalization or with DAGCombine.

https://github.com/llvm/llvm-project/pull/125776