Haojian Wu 9f36c7e704 [Tooling] Optimize memory usage in InMemoryToolResults. ...

Avoid storing duplicated "std::string"s.

clangd's global-symbol-builder takes 20+GB memory running across LLVM
repository. With this patch, the used memory is ~10GB (running on 48
threads, most of meory are AST-related).

Subscribers: klimek, cfe-commits

Differential Revision: https://reviews.llvm.org/D45479

llvm-svn: 329784

2018-04-11 08:13:07 +00:00

4.1 KiB

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