3 Commits

Author	SHA1	Message	Date
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