Szelethus added a comment.

In D66716#1647668 <https://reviews.llvm.org/D66716#1647668>, @NoQ wrote:

> I don't understand. Isn't widening supposed to happen //after we exit the 
> loop//? The loop isn't over yet when the bug is being reported. Why is this 
> problem widening-specific? Given that we also have a weird invalidation of 
> `b`, i suspect that we're doing widening in a wrong moment of time.


Something is totally off here. Do you think its ever okay to find a last store 
in a `BlockEdge`? Should I rather fix this by changing how loop widening works?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D66716/new/

https://reviews.llvm.org/D66716



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