[clangd] Replace StringRef in SymbolLocation with a char pointer.

Summary:
This would save us 8 bytes per ref, and buy us ~40MB in total
for llvm index (from ~300MB to ~260 MB).

The char pointer must be null-terminated, and llvm::StringSaver
guarantees it.

Reviewers: sammccall

Subscribers: ilya-biryukov, ioeric, MaskRay, jkorous, arphaman, kadircet, cfe-commits

Differential Revision: https://reviews.llvm.org/D53427

llvm-svn: 346852
14 files changed
tree: 6162ece147b8835cc1f0f2e9e748555836477c2e
  1. clang/
  2. clang-tools-extra/
  3. compiler-rt/
  4. debuginfo-tests/
  5. libclc/
  6. libcxx/
  7. libcxxabi/
  8. libunwind/
  9. lld/
  10. lldb/
  11. llgo/
  12. llvm/
  13. openmp/
  14. parallel-libs/
  15. polly/
  16. README.md
README.md

The LLVM Compiler Infrastructure

This directory and its subdirectories contain source code for LLVM, a toolkit for the construction of highly optimized compilers, optimizers, and runtime environments.