[PATCH] D77732: [clangd] Shard preamble symbols in dynamic index

[Kadir Cetinkaya via Phabricator via cfe-commits]

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

This reduces memory usage by dynamic index from more than 400MB to 32MB
when all files in clang-tools-extra/clangd/*.cpp are active in clangd.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D77732

Files:
  clang-tools-extra/clangd/index/FileIndex.cpp
  clang-tools-extra/clangd/index/FileIndex.h
  clang-tools-extra/clangd/unittests/FileIndexTests.cpp
  clang-tools-extra/clangd/unittests/TestTU.cpp

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