[PATCH] D37076: [LICM] Allow sinking when foldable in loop

[Eli Friedman via Phabricator via llvm-commits]

efriedma added a comment.

> It's possible that getUserCost() returns FREE for a GEP, but the GEP cannot be folded into its user.

That seems like a bug.  I mean, it currently does happen (because that's how getGEPCost is implemented), but in principle getUserCost should only return TCC_Free for operations which are actually free.


https://reviews.llvm.org/D37076