[PATCH] D70975: [SDAG] remove use restriction in isNegatibleForFree() when called from getNegatedExpression()

[Sanjay Patel via Phabricator via llvm-commits]

spatel added a comment.

In D70975#1780237 <https://reviews.llvm.org/D70975#1780237>, @fhahn wrote:

> This seems to cause a DAGCombiner to not terminate for some inputs on AArch64. Unfortunately I cannot share the inputs that cause the cycle :(


Thanks for letting us know. Can you check if D70595 <https://reviews.llvm.org/D70595> would cause the same cycle?
Will it be possible to reduce a test that can be shared? I'm not sure how to proceed without a test.


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https://reviews.llvm.org/D70975