Clement Courbet 76f4ae1092 [CodeGen] Allow mempcy/memset to generate small overlapping stores. ...

Summary:
All targets either just return false here or properly model `Fast`, so I
don't think there is any reason to prevent CodeGen from doing the right
thing here.

Subscribers: nemanjai, javed.absar, eraman, jsji, llvm-commits

Differential Revision: https://reviews.llvm.org/D55365

llvm-svn: 349016

2018-12-13 09:56:19 +00:00

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