[PATCH] D98792: [ASTMatchers][NFC] Use move semantics when passing matchers around.

[Nathan James via Phabricator via cfe-commits]

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Changing matchers to use non-const members and adding r-value overloads of matcher conversions enables move optimisations.
I don't have performance figures but I can say this knocked 120k from the clang-tidy binary(86k was from the .text section) on a Release with assertions build(x86_64-unknown-linux-gnu).


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D98792

Files:
  clang/include/clang/ASTMatchers/ASTMatchersInternal.h
  clang/include/clang/ASTMatchers/ASTMatchersMacros.h

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