commit | d4ec01f9f314b6522fa9919678b6e90c8f30b57f | [log] [tgz] |
---|---|---|
author | Sanjay Patel <spatel@rotateright.com> | Wed Feb 17 10:16:12 2021 -0500 |
committer | Copybara-Service <copybara-worker@google.com> | Fri Feb 19 03:10:18 2021 -0800 |
tree | d97eed4965ca67a89c58b85b7a1474c7227aef23 | |
parent | 97f148d3ecf505b8dea0a4816c0ed0c50e5d280f [diff] |
[InstCombine] fold fcmp-of-copysign idiom As discussed in: https://llvm.org/PR49179 ...this pattern shows up in library code. There are several potential generalizations as noted, but we need to be careful that we get FP special-values right, and it's not clear how much variation we should expect to see from this exact idiom. GitOrigin-RevId: 85294703a74a532448b3d3801d4e9a5c6024547a