[libclc] [libclc] Replace float remquo with Intel IMF version (PR #162643)

[Matt Arsenault via cfe-commits]

https://github.com/arsenm commented:

This new codegen looks a lot worse. I think you should just fix the bugs in the existing implementation.

The canonicalize / flush handling is plainly broken. I think you should follow along with these patches:

Drop the second canonicalize:
https://github.com/ROCm/llvm-project/commit/9a7bc191b9d6430985bce4dce55c3acef5c9fd3a

Defer the flush of denormal:
https://github.com/ROCm/llvm-project/commit/e9198f7d4619eb222f66c1f1d496eee3acdd8511





https://github.com/llvm/llvm-project/pull/162643