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Use MemorySSA in LICM to do sinking and hoisting.

Authored by asbirlea on Jan 10 2019, 11:29 AM.

Description

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

llvm-svn: 350879

Details

Committed
asbirleaJan 10 2019, 11:29 AM
Differential Revision
D40375: Use MemorySSA in LICM to do sinking and hoisting.
Parents
rG54c04301b794: fixup: sphinx warning
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