[PATCH] D67359: [IVUser] Limit the iterations to check whether a loop has dedicated exits for extreme large case

[Wei Mi via Phabricator via llvm-commits]

wmi added a comment.

In D67359#1664241 <https://reviews.llvm.org/D67359#1664241>, @skatkov wrote:

> I wonder whether the problem is in this function or in analysis itself?
>  If it is a problem of analysis it is better to restrict it but not an utility function.


I feel the problem is in the utility function. Currently the problem is exposed in IVUser pass but the same can happen anywhere else if only the function is called for a huge loop with many exits and with each exit having many predecessors.


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  rL LLVM

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https://reviews.llvm.org/D67359