[PATCH] D83768: [clangd] Config: Index.Background

[Sam McCall via Phabricator via cfe-commits]

sammccall created this revision.
sammccall added a reviewer: kadircet.
Herald added subscribers: cfe-commits, usaxena95, arphaman, jkorous, MaskRay, ilya-biryukov.
Herald added a project: clang.

We only support Build/Skip for now, but with 'Load' or similar as an
option for future (load existing shards but don't build new ones).

This requires creating the config for each TU on startup. In LLVM, this
is 4000 occurrences for a total of 800ms on my machine.
But together with caching from D83755 <https://reviews.llvm.org/D83755> it is only 25ms.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D83768

Files:
  clang-tools-extra/clangd/Config.h
  clang-tools-extra/clangd/ConfigCompile.cpp
  clang-tools-extra/clangd/ConfigFragment.h
  clang-tools-extra/clangd/ConfigYAML.cpp
  clang-tools-extra/clangd/index/Background.cpp
  clang-tools-extra/clangd/unittests/BackgroundIndexTests.cpp
  clang-tools-extra/clangd/unittests/ConfigCompileTests.cpp

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