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4 Commits

Author SHA1 Message Date
Nikita Popov
2f79f5438c [SimpleLoopUnswitch] Convert tests to opaque pointers (NFC) 2023-01-04 16:28:13 +01:00
Arthur Eubanks
7739f9ff97 [NewPM][Unswitch] Add option to disable -O3 non-trivial unswitching 
Some benchmarks regress with non-trivial unswitching, so add an option
to opt-out of performing non-trivial unswitching while investigating.

Reviewed By: asbirlea

Differential Revision: https://reviews.llvm.org/D95796
 2021-02-01 11:11:59 -08:00
Arthur Eubanks
39e6d24237 [NewPM] Only non-trivially loop unswitch at -O3 and for non-optsize functions 
This matches the legacy pipeline/pass.

Reviewed By: asbirlea, SjoerdMeijer

Differential Revision: https://reviews.llvm.org/D94559
 2021-01-13 14:54:49 -08:00
Arthur Eubanks
f748e92295 [NewPM] Run non-trivial loop unswitching under -O2/3/s/z 
Fixes https://bugs.llvm.org/show_bug.cgi?id=48715.

Reviewed By: asbirlea

Differential Revision: https://reviews.llvm.org/D94448
 2021-01-12 11:04:40 -08:00