[llvm] [SCEV] Make invalidation in SCEVCallbackVH more thorough (PR #68316)

Danila Malyutin via llvm-commits llvm-commits at lists.llvm.org
Fri Oct 20 07:58:02 PDT 2023

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danilaml wrote:

This appears to have fixed the hard-to-reduce issue with `Assertion `isAvailableAtLoopEntry(Operands[i], L) && "SCEVAddRecExpr operand is not available at loop entry!"'` in verify passes after simple loop unswitch I've been debugging. Nice!

https://github.com/llvm/llvm-project/pull/68316

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