[PATCH] D49399: Move some utility classes to header files

[Zachary Turner via Phabricator via llvm-commits]

zturner created this revision.
zturner added reviewers: dblaikie, chandlerc, bogner.
Herald added subscribers: hiraditya, mgorny.

There were a bunch of useful utility classes and compiler test macros stashed away inside of `ItaniumDemangle.cpp`.  A long time ago, in https://reviews.llvm.org/D34667, there was an attempt to add a Microsoft demangler.  It got stalled but I'm intending to pick this up and finish it off.  It had done a lot of the same stuff as was already being done in the helper classes in `ItaniumDemangle.cpp` such as testing for various compiler features, copying `StringView` from LLVM, etc.  So all of the stuff that would be useful to a different demangler, I'm moving out into header files which can be included by the Microsoft demangler.  In a followup patch, I'll rebase Rui's work on top of the new changes, finish it up, and then upload a new version of the MS demangler.


https://reviews.llvm.org/D49399

Files:
  llvm/lib/Demangle/CMakeLists.txt
  llvm/lib/Demangle/Compiler.h
  llvm/lib/Demangle/ItaniumDemangle.cpp
  llvm/lib/Demangle/StringView.h
  llvm/lib/Demangle/Utility.h

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