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| author | Roman Lebedev <lebedev.ri@gmail.com> | 2019-10-22 22:51:10 +0300 |
|---|---|---|
| committer | Roman Lebedev <lebedev.ri@gmail.com> | 2019-10-22 22:56:35 +0300 |
| commit | 4334892e7b077feac3124b789733dbec3380db4c (patch) | |
| tree | bd615069255aa6ad1827b71face46a68c4691e62 /llvm/lib/MC/MCDisassembler/Disassembler.cpp | |
| parent | 9b1419a9e501389ec4b98553d9e00a8e327e43d0 (diff) | |
| download | llvm-4334892e7b077feac3124b789733dbec3380db4c.zip llvm-4334892e7b077feac3124b789733dbec3380db4c.tar.gz llvm-4334892e7b077feac3124b789733dbec3380db4c.tar.bz2 | |
[DAGCombine][ARM] x ==/!= c -> (x - c) ==/!= 0 iff '-c' can be folded into the x node.
Summary:
This fold, helps recover from the rest of the D62266 ARM regressions.
https://rise4fun.com/Alive/TvpC
Note that while the fold is quite flexible, i've restricted it
to the single interesting pattern at the moment.
Reviewers: efriedma, craig.topper, spatel, RKSimon, deadalnix
Reviewed By: deadalnix
Subscribers: javed.absar, kristof.beyls, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D62450
Diffstat (limited to 'llvm/lib/MC/MCDisassembler/Disassembler.cpp')
0 files changed, 0 insertions, 0 deletions