[PATCH] D142314: [ORC] Add a NonOwningSymbolStringPtr utility.

[Lang Hames via Phabricator via llvm-commits]

lhames created this revision.
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Introduces a non-owning SymbolStringPool entry pointer. Instances of the new
type can be compared with SymbolStringPtr instances, but do not participate in
ref-counting and are therefore cheaper to copy. This makes it efficient to use
in algorithms that use symbol-strings as ids, e.g. ORC's waiting-on graph. A
future commit will rewrite ORC's waiting-on graph.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D142314

Files:
  llvm/include/llvm/ExecutionEngine/Orc/SymbolStringPool.h
  llvm/unittests/ExecutionEngine/Orc/SymbolStringPoolTest.cpp

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