[PATCH] D24033: Convert clamp into fmaxnum/fminnum pairs.

[Sebastian Pop via Phabricator via llvm-commits]

sebpop added a comment.

In the following experiment a positive number is an increase in performance,
the best score was taken out of 3 runs on firefly aarch64 A-72:

| spec2000-164.gzip    | 0.02%  |
| spec2000-175.vpr     | -0.55% |
| spec2000-177.mesa    | -0.18% |
| spec2000-179.art     | -0.38% |
| spec2000-181.mcf     | -0.88% |
| spec2000-183.equake  | -0.06% |
| spec2000-186.crafty  | -0.13% |
| spec2000-188.ammp    | -1.06% |
| spec2000-197.parser  | -0.54% |
| spec2000-252.eon     | -0.49% |
| spec2000-253.perlbmk | 0.17%  |
| spec2000-254.gap     | -0.04% |
| spec2000-255.vortex  | 0.26%  |
| spec2000-256.bzip2   | -0.50% |
| spec2000-300.twolf   | 0.38%  |
|


https://reviews.llvm.org/D24033