Roman Lebedev c02e4a40c4 Reland "[InstCombine] Fold nested selects" ...

The change was reverted because one of the changes were suspected of
causing a miscompile, but said miscompile was (confirmed to be) fixed
before the revert happened, by 07ecdd9b1a.

https://alive2.llvm.org/ce/z/GjCXkB
https://alive2.llvm.org/ce/z/Guz2tt

Fixes https://github.com/llvm/llvm-project/issues/59393

This reverts commit d73383c145,
and relands commmit 9ddff66d0c.

2023-01-12 18:02:43 +03:00

136 KiB

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