tree d901055abf7d349e93fa7fc6fce8a54ce3515fab
parent a63b5c9e53199b866b804164285a2c40531b31a1
author Clement Courbet <courbet@google.com> 1583829444 +0100
committer Clement Courbet <courbet@google.com> 1585819247 +0200

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

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

Reviewers: spatel

Subscribers: hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D76133