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Author SHA1 Message Date
Alina Sbirlea f085cc5aa7 [MemorySSA] Limit clobber walks. 
Summary: This patch limits all getClobberingMemoryAccess() walks to MaxCheckLimit.

Reviewers: george.burgess.iv

Subscribers: sanjoy, jlebar, Prazek, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D59569

llvm-svn: 357319
 2019-03-29 21:56:09 +00:00
George Burgess IV aa283d80fe [MSSA] Print more optimization information 
In particular, when asked to print a MemoryAccess, we'll now print where
defs are optimized to, and we'll print optimized access types.

This patch also introduces an operator<< to make printing AliasResults
easier.

Patch by Juneyoung Lee!

Differential Revision: https://reviews.llvm.org/D47860

llvm-svn: 334760
 2018-06-14 19:55:53 +00:00
Daniel Berlin 554dcd8c89 MemorySSA: Move to Analysis, from Transforms/Utils. It's used as 
Analysis, it has Analysis passes, and once NewGVN is made an Analysis,
this removes the cross dependency from Analysis to Transform/Utils.
NFC.

llvm-svn: 299980
 2017-04-11 20:06:36 +00:00