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| author | Amara Emerson <amara@apple.com> | 2022-10-24 20:51:24 -0700 |
|---|---|---|
| committer | Amara Emerson <amara@apple.com> | 2022-11-01 16:09:21 -0700 |
| commit | 974cf71649150c3da9b7590a2ade2a49bc197f4c (patch) | |
| tree | e33a8bf3d7a1c67ca8659f7491668b4bcc163c14 /llvm/unittests/ADT/APIntTest.cpp | |
| parent | 3b82b4fbd50ac15584ac88075f356f3ebf946515 (diff) | |
| download | llvm-974cf71649150c3da9b7590a2ade2a49bc197f4c.zip llvm-974cf71649150c3da9b7590a2ade2a49bc197f4c.tar.gz llvm-974cf71649150c3da9b7590a2ade2a49bc197f4c.tar.bz2 | |
[AArch64][GlobalISel] Add a simple cross-regclass copy optimization post-selection.
This does some trivial cross-regclass folding, where we can either do some extra
constraining to eliminate the copy or modify uses to use a smaller regclass.
There are minor code size improvements on average.
Program size.__text
before after diff
tramp3d-v4/tramp3d-v4 366000.00 366012.00 0.0%
mafft/pairlocalalign 248196.00 248188.00 -0.0%
7zip/7zip-benchmark 568612.00 568592.00 -0.0%
kimwitu++/kc 434704.00 434676.00 -0.0%
Bullet/bullet 456128.00 456096.00 -0.0%
sqlite3/sqlite3 284136.00 284100.00 -0.0%
ClamAV/clamscan 381492.00 381396.00 -0.0%
SPASS/SPASS 412052.00 411944.00 -0.0%
lencod/lencod 428060.00 427912.00 -0.0%
consumer-typeset/consumer-typeset 413148.00 411116.00 -0.5%
Geomean difference -0.1%
Differential Revision: https://reviews.llvm.org/D136793
Diffstat (limited to 'llvm/unittests/ADT/APIntTest.cpp')
0 files changed, 0 insertions, 0 deletions