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Jenkins sometimes starts a new working directory by appending @2 (or
incrementing the number if the @n suffix is already there). This causes
several clang tests to fail as:
s@INPUT_DIR@%/S/Inputs@g
gets expanded to the invalid:
s@INPUT_DIR@/path/to/workdir@2/Inputs@g
~~~~~~~~~~
where the part marked with ~'s is interpreted as the flags. These are
invalid and the test fails.
Previous fixes simply exchanged the @ character for another like | but
that's just moving the problem. Address it by adding an expansion that
escapes the @ character we're using as a delimiter as well as other magic
characters in the replacement of sed's s@@@.
There's still room for expansions to cause trouble though. One I ran into
while testing this was that having a directory called foo@bar causes lots
of `CHECK-NOT: foo` directives to match. There's also things like
directories containing `\1`
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Keys in a virtual file system can be in Posix or Windows form or even
a combination of the two. Many VFS tests (and a few Clang tests) were
XFAILed on Windows because of false negatives when comparing paths.
First, we default CaseSenstive to false on Windows. This allows
drive letters like "D:" to match "d:". Windows filesystems are, by
default, case insensitive, so this makes sense even beyond the drive
letter.
Second, we allow slashes to match backslashes when they're used as the
root component of a path.
Both of these changes are limited to RedirectingFileSystems, so there's
little chance of affecting other path handling.
These changes allow eleven of the VFS tests to pass on Windows as well
as three other Clang tests, so they have re-enabled.
This solves the majority of PR43272. Additional VFS test failures will
be fixed in separate patches.
Differential Revision: https://reviews.llvm.org/D69958
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The test failure mode appears to be due to the host machine rather than the
target. The PS4 buildbots are windows-hosted targeting x86_64-scei-ps4,
and are currently reporting these as unexpected failures:
http://lab.llvm.org:8011/builders/llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast/builds/28114
llvm-svn: 371726
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Part of PR43272, the changes are:
1. Use @ as the sed pattern delimiter instead of : so that the drive
letter in lit substitutions isn't an issue.
2. Use the %/t and %/S substitutions to get paths with forward slashes
to work around string quoting issues in the yaml file.
3. Replace REQUIRES:shell with XFAIL:windows. These tests should pass on
Windows, but do not for reasons that are not yet understood. We would
like to know if they pass unexpectedly.
I was able to remove the XFAILs from two tests, since they already pass
with my sed fix:
clang/test/VFS/module_missing_vfs.m
clang/test/VFS/test_nonmodular.c
Reviewers: amccarth
Differential Revision: https://reviews.llvm.org/D67454
llvm-svn: 371663
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Reads the description of a virtual filesystem from a file and overlays
it over the real file system.
llvm-svn: 202176
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