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| author | Amara Emerson <amara@apple.com> | 2022-07-26 01:27:44 -0700 |
|---|---|---|
| committer | Amara Emerson <amara@apple.com> | 2022-07-27 10:51:16 -0700 |
| commit | 19cdd1908b173a0a4bdf29a18c689729fc3497ac (patch) | |
| tree | afe3d8dd0d13f17a9b6fac89eaea46823eb8668c /lldb/source/Plugins/ScriptInterpreter/Python/ScriptedProcessPythonInterface.h | |
| parent | 24301569f080d60f644d7a69496596cbd65079ce (diff) | |
| download | llvm-19cdd1908b173a0a4bdf29a18c689729fc3497ac.zip llvm-19cdd1908b173a0a4bdf29a18c689729fc3497ac.tar.gz llvm-19cdd1908b173a0a4bdf29a18c689729fc3497ac.tar.bz2 | |
[AArch64][GlobalISel] Add heuristics for localizing G_CONSTANT.
This adds similar heuristics to G_GLOBAL_VALUE, querying the cost of
materializing a specific constant in code size. Doing so prevents us from
sinking constants which require multiple instructions to generate into
use blocks.
Code size savings on CTMark -Os:
Program size.__text
before after diff
ClamAV/clamscan 381940.00 382052.00 0.0%
lencod/lencod 428408.00 428428.00 0.0%
SPASS/SPASS 411868.00 411876.00 0.0%
kimwitu++/kc 449944.00 449944.00 0.0%
Bullet/bullet 463588.00 463556.00 -0.0%
sqlite3/sqlite3 284696.00 284668.00 -0.0%
consumer-typeset/consumer-typeset 414492.00 414424.00 -0.0%
7zip/7zip-benchmark 595244.00 594972.00 -0.0%
mafft/pairlocalalign 247512.00 247368.00 -0.1%
tramp3d-v4/tramp3d-v4 372884.00 372044.00 -0.2%
Geomean difference -0.0%
Differential Revision: https://reviews.llvm.org/D130554
Diffstat (limited to 'lldb/source/Plugins/ScriptInterpreter/Python/ScriptedProcessPythonInterface.h')
0 files changed, 0 insertions, 0 deletions