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[Dominators][CodeGen] Clean up MachineDominators

Description

[Dominators][CodeGen] Clean up MachineDominators

Summary: This is a cleanup patch for MachineDominatorTree. It would be an NFC, except for replacing custom DomTree verification with the generic one.

Reviewers: tstellar, tpr, nhaehnle, arsenm, NutshellySima, grosser, hliao

Reviewed By: arsenm

Subscribers: wdng, hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D67976

Details

Committed
kuharSep 27 2019, 10:25 AM
Reviewer
arsenm
Differential Revision
D67976: [Dominators][CodeGen] Clean up MachineDominators
Parents
rL373100: Fix MSVC "not all control paths return a value" warning. NFCI.
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