xazax.hun added a comment.

In D125931#3527584 <https://reviews.llvm.org/D125931#3527584>, @ymandel wrote:

> 1. In this patch, we go with a widening operation, but put the relevant logic 
> in the core, so it can be reused for booleans in general.

Depending on how much simplicity are we willing to sacrifice, doing a merge 
here might be OK. We only need widening to ensure the convergence of loops. 
Some frameworks are doing the regular merge operator for joins in the CFG and 
only use the widening operator along the back edges. This way they can be a bit 
more precise while preserving convergence.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D125931/new/

https://reviews.llvm.org/D125931

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