Chandler Carruth adb60a3a11 [PM] Introduce CRTP mixin base classes to help define passes and
analyses in the new pass manager.

These just handle really basic stuff: turning a type name into a string
statically that is nice to print in logs, and getting a static unique ID
for each analysis.

Sadly, the format of passes in anonymous namespaces makes using their
names in tests really annoying so I've customized the names of the no-op
passes to keep tests sane to read.

This is the first of a few simplifying refactorings for the new pass
manager that should reduce boilerplate and confusion.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@262004 91177308-0d34-0410-b5e6-96231b3b80d8
2016-02-26 11:44:45 +00:00
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