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[ExpandMemCmp] Allow overlaping loads in the zero-relational case.

Authored by courbet on Mar 13 2020, 7:29 AM.



This allows doing memcmp(p, q, 7) with 2 loads instead of a call to
This fixes part of PR45147.

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courbet created this revision.Mar 13 2020, 7:29 AM
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spatel accepted this revision.Mar 31 2020, 10:39 AM


This revision is now accepted and ready to land.Mar 31 2020, 10:39 AM
This revision was automatically updated to reflect the committed changes.