commit | 7fad5fb0d0d32beea4e95e239cc065a850733358 | [log] [tgz] |
---|---|---|
author | Sanjay Patel <spatel@rotateright.com> | Sat Nov 03 13:18:55 2018 +0000 |
committer | Sanjay Patel <spatel@rotateright.com> | Sat Nov 03 13:18:55 2018 +0000 |
tree | 622e776284e2a943e7cfff7660766cd6513e6a32 | |
parent | cc8a1a635b5f04eca98fb6dd415d31bfaa378fbc [diff] |
[ValueTracking] peek through 2-input shuffles in ComputeNumSignBits This patch gives the IR ComputeNumSignBits the same functionality as the DAG version (the code is derived from the existing code). This an extension of the single input shuffle analysis added with D53659. Differential Revision: https://reviews.llvm.org/D53987 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@346071 91177308-0d34-0410-b5e6-96231b3b80d8