Lift VFS from clang to llvm (NFC)

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This patch moves the virtual file system form clang to llvm so it can be
used by more projects.

Concretely the patch:
 - Moves VirtualFileSystem.{h|cpp} from clang/Basic to llvm/Support.
 - Moves the corresponding unit test from clang to llvm.
 - Moves the vfs namespace from clang::vfs to llvm::vfs.
 - Formats the lines affected by this change, mostly this is the result of
   the added llvm namespace.

RFC on the mailing list:
http://lists.llvm.org/pipermail/llvm-dev/2018-October/126657.html

Differential revision: https://reviews.llvm.org/D52783

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@344140 91177308-0d34-0410-b5e6-96231b3b80d8

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This commit is contained in:

Jonas Devlieghere

2018-10-10 13:27:25 +00:00

parent 8e17e96c81

commit 765115422b

5 changed files with 4246 additions and 0 deletions

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lib/Support/VirtualFileSystem.cpp

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