diff options
| author | Amara Emerson <amara@apple.com> | 2023-10-20 14:07:38 -0700 |
|---|---|---|
| committer | Amara Emerson <amara@apple.com> | 2023-10-26 11:36:10 -0700 |
| commit | a66051c68a43af39f9fd962f71d58ae0efcf860d (patch) | |
| tree | 024891146ddd45a542f020638866ca3c26e6956f /lldb/source/Plugins/OperatingSystem/Python/OperatingSystemPython.h | |
| parent | f9ead46931aef2978ddf350ba6523638175d7861 (diff) | |
[InstCombine] Add oneuse checks to shr + cmp constant folds.
This change has virtually no code size regressions on the llvm test suite (+ SPECs)
while having these improvements (measured with -Os on Darwin arm64):
External/S.../CFP2006/450.soplex/450.soplex 214024.00 213920.00 -0.0%
External/S...7speed/641.leela_s/641.leela_s 93412.00 93348.00 -0.1%
External/S...17rate/541.leela_r/541.leela_r 93412.00 93348.00 -0.1%
MultiSourc.../Applications/JM/lencod/lencod 426044.00 425748.00 -0.1%
MultiSourc...rks/mediabench/gsm/toast/toast 20436.00 20416.00 -0.1%
MultiSourc...ench/telecomm-gsm/telecomm-gsm 20436.00 20416.00 -0.1%
MultiSourc...Prolangs-C/assembler/assembler 16172.00 16156.00 -0.1%
MultiSourc...nch/mpeg2/mpeg2dec/mpeg2decode 35332.00 35256.00 -0.2%
SingleSour...Adobe-C++/stepanov_abstraction 6904.00 6888.00 -0.2%
External/SPEC/CINT2000/254.gap/254.gap 366060.00 365132.00 -0.3%
MultiSourc...-ProxyApps-C++/PENNANT/PENNANT 79688.00 79484.00 -0.3%
External/S...NT2006/464.h264ref/464.h264ref 352044.00 351132.00 -0.3%
SingleSour...arks/Adobe-C++/functionobjects 15524.00 15480.00 -0.3%
SingleSour...arks/Adobe-C++/stepanov_vector 10728.00 10696.00 -0.3%
SingleSour...ks/Misc-C++/stepanov_container 16900.00 16848.00 -0.3%
MultiSource/Applications/oggenc/oggenc 124184.00 123780.00 -0.3%
SingleSour...tout-C++/Shootout-C++-wordfreq 7060.00 7036.00 -0.3%
MultiSourc...ity-rijndael/security-rijndael 8976.00 8936.00 -0.4%
MultiSource/Benchmarks/McCat/18-imp/imp 9816.00 9772.00 -0.4%
SingleSour...chmarks/Misc-C++/stepanov_v1p2 1772.00 1764.00 -0.5%
MultiSourc...iabench/g721/g721encode/encode 5492.00 5464.00 -0.5%
MultiSourc...rks/McCat/03-testtrie/testtrie 1364.00 1344.00 -1.5%
SingleSour.../execute/GCC-C-execute-pr42833 400.00 364.00 -9.0%
Doing so also prevents a regression described in https://reviews.llvm.org/D143624
Differential Revision: https://reviews.llvm.org/D149918
Diffstat (limited to 'lldb/source/Plugins/OperatingSystem/Python/OperatingSystemPython.h')
0 files changed, 0 insertions, 0 deletions