[PATCH] D86150: [NFC][DebugInfo] Create InstructionOrdering helper class (1/4)

[Orlando Cazalet-Hyams via Phabricator via llvm-commits]

Orlando created this revision.
Orlando added reviewers: vsk, djtodoro, dblaikie, aprantl.
Orlando added projects: LLVM, debug-info.
Herald added subscribers: llvm-commits, hiraditya.
Orlando requested review of this revision.

Group the map and methods used to query instruction ordering for trimVarLocs
(D82129 <https://reviews.llvm.org/D82129>) into a class. This will make it easier to reuse the functionality upcoming
patches.


https://reviews.llvm.org/D86150

Files:
  llvm/lib/CodeGen/AsmPrinter/DbgEntityHistoryCalculator.cpp

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