[PATCH] D93764: [LoopUnswitch] Implement first version of partial unswitching.

[Philip Reames via Phabricator via llvm-commits]

reames added a comment.

In D93764#2473241 <https://reviews.llvm.org/D93764#2473241>, @fhahn wrote:

> I think this is a separate issue (the condition is dependent on the induction variable), but nevertheless interesting to pursue. IIRC there is already a pass that tries to do something similar, but I don't know which one of the top of my head. Will check.

This is InductiveRangeCheckElimination which implements a form of iteration set splitting.  I'll warn that IRCE has been historically bug prone, and is not on by default upstream.


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https://reviews.llvm.org/D93764