[PATCH] D107691: [InstCombine] Prevent the transform of the comparison for all undef elements

[Allen zhong via Phabricator via llvm-commits]

Allen added a comment.

In D107691#2932588 <https://reviews.llvm.org/D107691#2932588>, @lebedev.ri wrote:

> The test already passes without the code change.

Oh, sorry. this bug fix with  2813acb7d1 <https://reviews.llvm.org/rG2813acb7d1f70ec1d4a2a1360028950a0bc2ac8f>  Update m_Undef to match vectors/aggrs with undefs and poisons mixed, my local code is too old.


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  https://reviews.llvm.org/D107691/new/

https://reviews.llvm.org/D107691