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[BranchFolding] Merge MMOs during tail merge
authorJunmo Park <junmoz.park@samsung.com>
Fri, 4 Dec 2015 02:29:25 +0000 (02:29 +0000)
committerJunmo Park <junmoz.park@samsung.com>
Fri, 4 Dec 2015 02:29:25 +0000 (02:29 +0000)
commit64649a7dc718206641b8b6bb436d4cdd3c836d04
tree309bda4e0a7492af3ea0cb57a5c4a0eb46a50d1dtree | snapshot
parent51540fbf420fb65bfdf0173a08ea951e10cf431fcommit | diff
[BranchFolding] Merge MMOs during tail merge

Summary:
If we remove the MMOs from Load/Store instructions,
they are treated as volatile. This makes other optimization passes unhappy.
eg. Load/Store Optimization

So, it looks better to merge, not remove.

Reviewers: gberry, mcrosier

Subscribers: gberry, llvm-commits

Differential Revision: http://reviews.llvm.org/D14797

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@254694 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/BranchFolding.cpp diff | blob | history
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