tree 0c84424c5de705baa7c6279183b9ab94ca68c158
parent 288df965703c687487632f5119f2b82c99f7058a
author Alina Sbirlea <asbirlea@google.com> 1547148544 +0000
committer Alina Sbirlea <asbirlea@google.com> 1547148544 +0000

Use MemorySSA in LICM to do sinking and hoisting.

Summary:
Step 2 in using MemorySSA in LICM:
Use MemorySSA in LICM to do sinking and hoisting, all under "EnableMSSALoopDependency" flag.
Promotion is disabled.

Enable flag in LICM sink/hoist tests to test correctness of this change. Moved one test which
relied on promotion, in order to test all sinking tests.

Reviewers: sanjoy, davide, gberry, george.burgess.iv

Subscribers: llvm-commits, Prazek

Differential Revision: https://reviews.llvm.org/D40375

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@350879 91177308-0d34-0410-b5e6-96231b3b80d8