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[VPlan] Introduce VPLoopInfo analysis.

Description

[VPlan] Introduce VPLoopInfo analysis.

The patch introduces loop analysis (VPLoopInfo/VPLoop) for VPBlockBases.
This analysis will be necessary to perform some H-CFG transformations and
detect and introduce regions representing a loop in the H-CFG.

Reviewers: fhahn, rengolin, mkuper, hfinkel, mssimpso

Reviewed By: fhahn

Differential Revision: https://reviews.llvm.org/D48816

Details

Committed
dcaballeJul 30 2018, 6:57 PM
Reviewer
fhahn
Differential Revision
D48816: [VPlan] Introduce VPLoopInfo analysis.
Parents
rL338345: Remove Stream::UnitTest
Branches
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