[PATCH] D140974: [LICM][WIP] Transform and hoist select instructions if possible
Nikita Popov via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Jan 4 07:39:07 PST 2023
nikic added a comment.
In D140974#4026210 <https://reviews.llvm.org/D140974#4026210>, @spatel wrote:
> We already have that fold?
> https://alive2.llvm.org/ce/z/XPZL38
>
> There is already an undo of that or something similar for FP ops on some targets, so it may need some generalization.
Ooops, you're right. I could have sworn I checked that first...
So to return to the original problem here, there may be a phase ordering issue -- can you please add a PhaseOrdering test?
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https://reviews.llvm.org/D140974/new/
https://reviews.llvm.org/D140974
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