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llvm / llvm-project / 62e4c22c95a9c5fbbebded43388006d5fed3b613
commit62e4c22c95a9c5fbbebded43388006d5fed3b613[log] [tgz]
authorHamish Knight <hamish_knight@apple.com>Fri Jun 30 09:46:52 2023 -0700
committerBen Barham <ben_barham@apple.com>Fri Jun 30 09:56:42 2023 -0700
treef785cdec379ed96782ba1f5a82714325cd6a2e80
parentaa964f157f9b50fab3895afbfda6e0915cf6bb4a [diff]
[clang] Fix ASTUnit working directory handling

Fix a couple of issues with the handling of the current working directory in ASTUnit:

- Use `createPhysicalFileSystem` instead of `getRealFileSystem` to avoid affecting the process' current working directory, and set it at the top of `ASTUnit::LoadFromCommandLine` such that the driver used for argument parsing and the ASTUnit share the same VFS. This ensures that '-working-directory' correctly sets the VFS working directory in addition to the FileManager working directory.
- Ensure we preserve the FileSystemOptions set on the FileManager when re-creating it (as `ASTUnit::Reparse` will clear the currently set FileManager).

rdar://110697657

Reviewed By: bnbarham, benlangmuir

Differential Revision: https://reviews.llvm.org/D154134
4 files changed
tree: f785cdec379ed96782ba1f5a82714325cd6a2e80
  1. .github/
  2. bolt/
  3. clang/
  4. clang-tools-extra/
  5. cmake/
  6. compiler-rt/
  7. cross-project-tests/
  8. flang/
  9. libc/
  10. libclc/
  11. libcxx/
  12. libcxxabi/
  13. libunwind/
  14. lld/
  15. lldb/
  16. llvm/
  17. llvm-libgcc/
  18. mlir/
  19. openmp/
  20. polly/
  21. pstl/
  22. runtimes/
  23. third-party/
  24. utils/
  25. .arcconfig
  26. .arclint
  27. .clang-format
  28. .clang-tidy
  29. .git-blame-ignore-revs
  30. .gitignore
  31. .mailmap
  32. CONTRIBUTING.md
  33. LICENSE.TXT
  34. README.md
  35. SECURITY.md
README.md

The LLVM Compiler Infrastructure

Welcome to the LLVM project!

This repository contains the source code for LLVM, a toolkit for the construction of highly optimized compilers, optimizers, and run-time environments.

The LLVM project has multiple components. The core of the project is itself called “LLVM”. This contains all of the tools, libraries, and header files needed to process intermediate representations and convert them into object files. Tools include an assembler, disassembler, bitcode analyzer, and bitcode optimizer.

C-like languages use the Clang frontend. This component compiles C, C++, Objective-C, and Objective-C++ code into LLVM bitcode -- and from there into object files, using LLVM.

Other components include: the libc++ C++ standard library, the LLD linker, and more.

Getting the Source Code and Building LLVM

Consult the Getting Started with LLVM page for information on building and running LLVM.

For information on how to contribute to the LLVM project, please take a look at the Contributing to LLVM guide.

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