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# ea7ab5a4 19-Nov-2020 Andrew Wei <[email protected]>

[IndVarSimplify] Notify top most loop to drop cached exit counts

Some nested loops may share the same ExitingBB, so after we finishing FoldExit,
we need to notify OuterLoop and SCEV to drop any stor

[IndVarSimplify] Notify top most loop to drop cached exit counts

Some nested loops may share the same ExitingBB, so after we finishing FoldExit,
we need to notify OuterLoop and SCEV to drop any stored trip count.

Patched by: guopeilin
Reviewed By: mkazantsev

Differential Revision: https://reviews.llvm.org/D91325

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