6 Commits

Author	SHA1	Message	Date
chenglin.bi	33794cffcf	[InstCombine] Fold logic-and/logic-or by distributive laws part2 ... Follow up https://reviews.llvm.org/D139408, support `and/or+select` patterns X && Z || Y && Z --> (X || Y) && Z https://alive2.llvm.org/ce/z/EMCkBG https://alive2.llvm.org/ce/z/Q-YRvr https://alive2.llvm.org/ce/z/SFkVQc https://alive2.llvm.org/ce/z/S9MCuJ https://alive2.llvm.org/ce/z/KZ7zzz (X || Z) && (Y || Z) --> (X && Y) || Z https://alive2.llvm.org/ce/z/Ggpa8- https://alive2.llvm.org/ce/z/nhQRLY https://alive2.llvm.org/ce/z/zpmEnq https://alive2.llvm.org/ce/z/7omsrf https://alive2.llvm.org/ce/z/CWBzBp Reviewed By: spatel Differential Revision: https://reviews.llvm.org/D139630	2023-01-09 10:21:17 +08:00
chenglin.bi	ec48682ce9	[InstCombine] add more tests into select-factorize; NFC	2023-01-04 17:49:47 +08:00
Roman Lebedev	d73383c145	Revert "[InstCombine] Fold nested selects" ... One of these two changes is exposing (or causing) some more miscompiles. A reproducer is in progress, so reverting until resolved. This reverts commit 9ddff66d0c9c3e18d56e6b20aa26a2a8cdfb6d2b.	2022-12-20 18:36:42 +03:00
chenglin.bi	c8647738cd	[InstCombine] Fold logic-and/logic-or by distributive laws ... X && Z || Y && Z --> (X || Y) && Z https://alive2.llvm.org/ce/z/nM6kZb (X || Z) && (Y || Z) --> (X && Y) || Z https://alive2.llvm.org/ce/z/_EWLRR Fix: https://github.com/llvm/llvm-project/issues/53861 Reviewed By: spatel Differential Revision: https://reviews.llvm.org/D139408	2022-12-14 04:43:06 +08:00
Roman Lebedev	9ddff66d0c	[InstCombine] Fold nested selects ... https://alive2.llvm.org/ce/z/GjCXkB https://alive2.llvm.org/ce/z/Guz2tt Fixes https://github.com/llvm/llvm-project/issues/59393	2022-12-11 01:00:31 +03:00
chenglin.bi	3e4ae76d03	[Instcombine] Add baseline tests for logic-and/logic-or factorization; NFC	2022-12-06 17:35:35 +08:00