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136 Commits

Author SHA1 Message Date
Stella Stamenova
2dc5ee2dcf [lit] Disable shtest-timeout on Windows
Summary: This is the only test that is still failing on Windows - or rather, it is expected to fail on the bots, but passes on the new bot that we're preparing causing a failure, so I'm going to disable it. Since the test has rarely, if ever, passed on the bots, this should have the same effect and it will unblock the creation of the new bot.

Reviewers: asmith, delcypher, zturner

Subscribers: stella.stamenova, llvm-commits

Differential Revision: https://reviews.llvm.org/D51871

llvm-svn: 341856
2018-09-10 20:24:05 +00:00
Stella Stamenova
ff40796496 [lit, shtest-timeout] Always use an internal shell for the shtest-timeout to diagnose buildbot failures
Summary:
Right now this test is failing on the builtbots on Windows but we have a very similar setup where the test passes. The test is meant to test that specifying a timeout works correctly by running an infnite loop and having it timeout - on the buildbot, the infinite loop doesn't actually execute. This change runs all of the tests in the set using an internal shell rather than an external shell. I expect this will make the test pass which means that either the way the external shell is invoked or the external shell setup on the buildbots is not correct. Regardless of whether the test passes with this change, we'll need to undo this change and have a real fix.

@gkistanova was able to get logs from the buildbot to rule out a number of theories as to why this test is failing, but they didn't have enough information to confirm exactly what the issue is. The purpose of this change is to narrow it down, but if someone has a local repro and can aid in debugging, that would make it much speedier (and less prone to making the bots fail).

Reviewers: gkistanova, asmith, zturner, modocache, rnk, delcypher

Reviewed By: rnk

Subscribers: delcypher, llvm-commits, gkistanova

Differential Revision: https://reviews.llvm.org/D51326

llvm-svn: 340840
2018-08-28 16:24:55 +00:00
Stella Stamenova
f98614d66f [lit] Disable shtest-timeout on Windows
This test passes on Windows when using Python 3 but fails when using Python 2, so it needs more investigation before it can be enabled as the bots use Python 2.

llvm-svn: 339184
2018-08-07 21:21:30 +00:00
Stella Stamenova
e43106cf1b [lit, python3] Update lit error logging to work correctly in python3 and other test fixes
Summary:
In Python2 'unicode' is a distinct type from 'str', but in Python3 'unicode' does not exist and instead all 'str' objects are Unicode string. This change updates the logic in the test logging for lit to correctly process each of the types, and more importantly, to not just fail in Python3.

This change also reverses the use of quotes in several of the cfg files. By using '""' we are guaranteeing that the resulting path will work correctly on Windows while "''" only works correctly sometimes. This also fixes one of the failing tests.

Reviewers: asmith, zturner

Subscribers: stella.stamenova, delcypher, llvm-commits

Differential Revision: https://reviews.llvm.org/D50397

llvm-svn: 339179
2018-08-07 20:54:38 +00:00
Stella Stamenova
89cdfaa61e [lit, tests] Fix failing lit test: shtest-format.py
Summary:
The problem here is that on windows double quotes are used for paths (usually) while single quotes are not. This is not generally a problem for the tests because the lit infrastructure tends to treat both the same. One (and possibly only) exception is when some tests are run in an external shell such as some of the shtest-format tests. In this case on windows the path to python was not created correctly because it had single quotes and the test failed.

This same test is already failing with python 3 which is why our testing missed the new failure. This patch will take care of the immediate failure with python 2 and I'll send a follow up for the python 3 failure.

Reviewers: asmith, zturner

Subscribers: delcypher, llvm-commits

Differential Revision: https://reviews.llvm.org/D50373

llvm-svn: 339091
2018-08-07 04:08:46 +00:00
Stella Stamenova
f5a62c8af5 [lit, python] Always add quotes around the python path in lit
Summary:
The issue with the python path is that the path to python on Windows can contain spaces. To make the tests always work, the path to python needs to be surrounded by quotes.

This change updates several configuration files which specify the path to python as a substitution and also remove quotes from existing tests.

Reviewers: asmith, zturner, alexshap, jakehehrlich

Reviewed By: zturner, alexshap, jakehehrlich

Subscribers: mehdi_amini, nemanjai, eraman, kbarton, jakehehrlich, steven_wu, dexonsmith, stella.stamenova, delcypher, llvm-commits

Differential Revision: https://reviews.llvm.org/D50206

llvm-svn: 339073
2018-08-06 22:37:44 +00:00
Justin Bogner
586bd2098d [lit] Move the shtest-xunit-output check lines into shtest-format
These two tests are operating on the same test suite, which causes
them to be racy about writing temporary files and can cause spurious
failures. Merge them into one test to avoid the issue.

llvm-svn: 337718
2018-07-23 18:08:36 +00:00
Hans Wennborg
f9ea32fcfd Relax shtest-run-at-line.py
The test was failing on Windows machines which had bash.exe on PATH (but
not in the so called lit tools dir, containing cmp.exe, grep.exe etc.).

The problem was that the outer lit invocation would load LLVMConfig
from utils/lit/lit/llvm/config.py, which looks up the tools path with
getToolsPath(). That has a surprising side effect of also setting
bashPath, in our case setting it to empty.

The outer lit invocation would thus configure the pdbg0 and pdbg1
substitutions based on not running with bash.

But the inner lit invocation would not load LLVMConfig, so bash
would be found on PATH, that would be used as external shell,
and so the output wouldn't match pdbg0 and pdbg1.

It seems weird to me that getBashPath() will return different results
depending on whether getToolsPath() has been called before, but I
also don't know how to fix it properly.

This commit just relaxes the test case, because there doesn't seem
to be much point in testing for the exact syntax of the run file
as long as it works.

(See https://crbug.com/850023)

llvm-svn: 334100
2018-06-06 14:53:03 +00:00
Joel E. Denny
a04841e104 [lit] Fix windows cmd.exe test config for r333620
llvm-svn: 333630
2018-05-31 05:48:33 +00:00
Joel E. Denny
bd389c40fd [lit] Terminate ": RUN at line N" with ";" not "&&"
This fixes projects/compiler-rt/test/fuzzer/sigusr.test, which was
broken by r333614.  The trouble was that "&&" changes the command for
which "$!" gives the pid.

llvm-svn: 333620
2018-05-31 03:40:37 +00:00
Joel E. Denny
3204e36001 [lit] Report line number for failed RUN command
(Relands r333584, reverted in 333592.)

When debugging test failures with -vv (or -v in the case of the
internal shell), this makes it easier to locate the RUN line that
failed.  For example, clang's test/Driver/linux-ld.c has 892 total RUN
lines, and clang's test/Driver/arm-cortex-cpus.c has 424 RUN lines
after concatenation for line continuations.

When reading the generated shell script, this also makes it easier to
locate the RUN line that produced each command.

To support reporting RUN line numbers in the case of the internal
shell, this patch extends the internal shell to support the null
command, ":", except pipelines are not supported.

To support reporting RUN line numbers in the case of windows cmd.exe
as the external shell, this patch extends -vv to set "echo on" instead
of "echo off" in bat files.  (Support for windows cmd.exe as a lit
external shell will likely be dropped later, but I found out too
late.)

Reviewed By: delcypher,	asmith, stella.stamenova, jmorse, lebedev.ri, rnk

Differential Revision: https://reviews.llvm.org/D44598

llvm-svn: 333614
2018-05-31 00:55:32 +00:00
Joel E. Denny
664a77c58b Revert r333584: [lit] Report line number for failed RUN command
It breaks test-suite.

llvm-svn: 333592
2018-05-30 21:07:27 +00:00
Joel E. Denny
f5a15f4aa3 [lit] Report line number for failed RUN command
(Relands r330755 (reverted in r330848) with fix for PR37239.)

When debugging test failures with -vv (or -v in the case of the
internal shell), this makes it easier to locate the RUN line that
failed.  For example, clang's test/Driver/linux-ld.c has 892 total RUN
lines, and clang's test/Driver/arm-cortex-cpus.c has 424 RUN lines
after concatenation for line continuations.

When reading the generated shell script, this also makes it easier to
locate the RUN line that produced each command.

To support reporting RUN line numbers in the case of the internal
shell, this patch extends the internal shell to support the null
command, ":", except pipelines are not supported.

To support reporting RUN line numbers in the case of windows cmd.exe
as the external shell, this patch extends -vv to set "echo on" instead
of "echo off" in bat files.  (Support for windows cmd.exe as a lit
external shell will likely be dropped later, but I found out too
late.)

Reviewed By: delcypher,	asmith, stella.stamenova, jmorse, lebedev.ri, rnk

Differential Revision: https://reviews.llvm.org/D44598

llvm-svn: 333584
2018-05-30 19:42:27 +00:00
Chris Matthews
0b61b91c62 Use quoteattr to ensure we make well formed attributes
We were making malformed XML on tests with ' in the name.  Switch to
using saxutils to set all of our attributes, so it can handle quotes
etc correctly.

llvm-svn: 333249
2018-05-25 00:31:36 +00:00
Dan Liew
d7e3a3632a [lit] Try to make shtest-timeout.py test more reliable by using a
larger timeout value. This really isn't very good because it will
still be susceptible to machine performance.

While we are here also fix a bug in validation of
`maxIndividualTestTime` where previously it wasn't checked if the
type was an int.

rdar://problem/40221572

llvm-svn: 332987
2018-05-22 15:06:29 +00:00
Dan Liew
bae1119a38 [lit] Don't run slow.py in shtest-timeout.py test.
The program used to be used in `quick_then_slow.py` but that was
removed in r328702. The tests always run `slow.py` on its own but
this doesn't really test additional code so we'll just drop running
`slow.py` so the tests run faster.

rdar://problem/40221572

llvm-svn: 332986
2018-05-22 15:06:24 +00:00
Dan Liew
b2006c8dcb [lit] Don't check output of commands used in shtest-timeout.py test.
If the system is under heavy load 1 second might not be long enough
for it to produce output which could lead to spurious test failures.
What matters is that the right test cases reach a timeout.

rdar://problem/40221572

llvm-svn: 332985
2018-05-22 15:06:20 +00:00
Douglas Yung
d711b42b49 Mark test with "REQUIRES: shell" since it directly invokes "sh" and was failing on Windows.
llvm-svn: 332563
2018-05-17 01:36:25 +00:00
Alexander Richardson
7857762e4c Escape ]]> in xunit xml output
Summary:
This sequence ends the CDATA block so any characters after that are no
longer escaped. This can be fixed by replacing "]]>" with "]]]]><![CDATA[>".

Reviewers: cmatthews

Reviewed By: cmatthews

Differential Revision: https://reviews.llvm.org/D46886

llvm-svn: 332440
2018-05-16 09:00:28 +00:00
Chris Matthews
e0665809b0 remove output xml incase it is leftover from another run
llvm-svn: 332424
2018-05-16 00:37:00 +00:00
Chris Matthews
30e6528953 Use not to catch unexpected pass as well as remove old test results
As per review feedback, make sure we rm temp files, and make the return
code checking for lit more specific.

llvm-svn: 332423
2018-05-16 00:33:29 +00:00
Chris Matthews
5e42577a9e Add the message attribute to skipped
JUnit xml allows for a message attribute to be displayed on skips. Lets
populate that with an analysis of why we skipped the test.

llvm-svn: 332156
2018-05-11 23:15:11 +00:00
Chris Matthews
c499ebbb98 [LIT] replace output escapes wit a cdata block
CDATA blocks don't need to have XML stuff escaped. Makes sense to wrap
output in them instead of escaping.

llvm-svn: 332116
2018-05-11 18:38:02 +00:00
Chris Matthews
4826565393 Support Unsupported Tests in xunit output
We were reporting  "Unsupported" tests in xunit as passes, however since
they are not run, it make more sense to mark them as skipped. The Junit
xml standard has support for that, so lets use it.

llvm-svn: 332065
2018-05-11 00:25:43 +00:00
Chris Matthews
3dee71508e [LIT] Move xunit tests tests into their own location, and and add failures
Failures will increase coverage.

llvm-svn: 332056
2018-05-10 22:51:28 +00:00
Chris Matthews
c5f2366160 [LIT] Add the missing file
I forgot to commit this file.

llvm-svn: 331946
2018-05-10 00:08:39 +00:00
Chris Matthews
0620816737 Refactor test incase results are backwards
Looks like results can come in either way in this file.  Loosen the ordering constraints.

llvm-svn: 331945
2018-05-10 00:06:17 +00:00
Chris Matthews
a7a8db71f5 [LIT] Handle xml characters in test names
Lit creates malformed xml when the test case has an & in the name.

Escape those correctly.

This also adds a test case which I will add other nasty encoding issues to in some followup commits.

llvm-svn: 331942
2018-05-09 23:48:32 +00:00
Reid Kleckner
c5a26bc96b Revert r330755 "[lit] Report line number for failed RUN command"
It is causing many tests to fail on Windows buildbots:
http://lab.llvm.org:8011/builders/clang-x64-ninja-win7/builds/10211

llvm-svn: 330848
2018-04-25 17:30:00 +00:00
Joel E. Denny
f315d6c63e [lit] Report line number for failed RUN command
When debugging test failures with -vv (or -v in the case of the
internal shell), this makes it easier to locate the RUN line that
failed.  For example, clang's test/Driver/linux-ld.c has 892 total RUN
lines, and clang's test/Driver/arm-cortex-cpus.c has 424 RUN lines
after concatenation for line continuations.

When reading the generated shell script, this also makes it easier to
locate the RUN line that produced each command.

To support reporting RUN line numbers in the case of the internal
shell, this patch extends the internal shell to support the null
command, ":", except pipelines are not supported.

Reviewed By: asmith, delcypher

Differential Revision: https://reviews.llvm.org/D44598

llvm-svn: 330755
2018-04-24 18:43:25 +00:00
Dan Liew
a348f9c134 [lit] Remove spurious - in invocation of lit in
`shtest-xunit-output.py` test.

Although there is no `-` file Jeremy Morse has reported to me that it
causes problems in their setup because lit tries to find it and ends up
loading an out of tree lit configuration file.

llvm-svn: 330728
2018-04-24 15:42:00 +00:00
Dan Liew
63cbec945c [lit] Fix a bug where UNRESOLVED tests were not handled in the XUnit
XML printer.

A test has been added that tries to comprehensively test emitting
XUnit XML output for shell tests.

Differential Revision: https://reviews.llvm.org/D45567

llvm-svn: 330409
2018-04-20 10:11:41 +00:00
Dan Liew
2a0a84a46f Revert "[lit] Temporarily disable shtest-timeout.py on darwin"
This reverts commit 771829b640a5494ab65c810dd6b4330522bf3a33 (rr328598)

Hopefully the test will now pass on the bots.

rdar://problem/38774530

llvm-svn: 328703
2018-03-28 13:55:13 +00:00
Dan Liew
a120c804c6 [lit] Remove a timing senstive part of shtest-timeout.py
The `shtest-timeout.py` test was failing intermittently. It looks like
the issue is that on a resource constrained system lit is unable to run
`quick_then_slow.py` twice and print out the messages the tests expects
within the one second timeout.

The underlying issue is that the test is dependent on the performance of
the host machine is a rather fragile way. This is due to hardcoding
timeout values and having assumptions that the host machine is able to
perform a certain amount of work within the hardcoded timeout values.

We could increase the timeout values but that doesn't really fix the
underlying issue. Instead this patch removes one of fragile assumptions
in the hope that this will be enough to fix the bots.
There are other fragile assumptions in this test (e.g. `quick.py` can be
executed in less than 1 second). If the bots continue to fail we'll have
to revisit this.

rdar://problem/38774530

llvm-svn: 328702
2018-03-28 13:55:08 +00:00
Mircea Trofin
b836fe81fc Revert "Revert "[lit] Generalized /dev/null support on Windows.""
Summary:
This reverts commit r328596.

Checking if the arguments are strings before testing if they contain "/dev/null".

Reviewers: rnk

Reviewed By: rnk

Subscribers: delcypher, llvm-commits

Differential Revision: https://reviews.llvm.org/D44914

llvm-svn: 328603
2018-03-27 01:39:17 +00:00
Jan Korous
a54a2fbeca [lit] Temporarily disable shtest-timeout.py on darwin
Disabled until fixed in order to avoid random failures on green dragon.

rdar://problem/38774530

llvm-svn: 328598
2018-03-27 00:16:28 +00:00
Mircea Trofin
8c42530a18 Revert "[lit] Generalized /dev/null support on Windows."
This reverts commit ca7fdbb974384ce5a05528b22a41d46b1cc13e92.

llvm-svn: 328596
2018-03-26 23:59:39 +00:00
Mircea Trofin
d4239dd1a7 [lit] Generalized /dev/null support on Windows.
Generalized /dev/null remapping on Windows, and added test.

Reviewers: rnk

Reviewed By: rnk

Subscribers: amccarth, zturner, delcypher, llvm-commits

Differential Revision: https://reviews.llvm.org/D44771

llvm-svn: 328589
2018-03-26 22:41:06 +00:00
Reid Kleckner
5691bcbbc1 [lit] Implement 'cat' command for internal shell
Fixes PR36449

Patch by Chamal de Silva

Differential Revision: https://reviews.llvm.org/D43501

llvm-svn: 328563
2018-03-26 18:05:12 +00:00
Brian Homerding
c40a5a9f25 [lit] - Allow 1 test to report multiple micro-test results to provide support for microbenchmarks.
Summary:
These changes are to allow to a Result object to have nested Result objects in
order to support microbenchmarks. Currently lit is restricted to reporting one
result object for one test, this change provides support tests that want to
report individual timings for individual kernels.

This revision is the result of the discussions in
https://reviews.llvm.org/D32272#794759,
https://reviews.llvm.org/D37421#f8003b27 and https://reviews.llvm.org/D38496.
It is a separation of the changes purposed in https://reviews.llvm.org/D40077.

This change will enable adding LCALS (Livermore Compiler Analysis Loop Suite)
collection of loop kernels to the llvm test suite using the google benchmark
library (https://reviews.llvm.org/D43319) with tracking of individual kernel
timings.

Previously microbenchmarks had been handled by using macros to section groups
of microbenchmarks together and build many executables while still getting a
grouped timing (MultiSource/TSVC). Recently the google benchmark library was
added to the test suite and utilized with a litsupport plugin. However the
limitation of 1 test 1 result limited its use to passing a runtime option to
run only 1 microbenchmark with several hand written tests
(MicroBenchmarks/XRay). This runs the same executable many times with different
hand-written tests. I will update the litsupport plugin to utilize the new
functionality (https://reviews.llvm.org/D43316).

These changes allow lit to report micro test results if desired in order to get
many precise timing results from 1 run of 1 test executable.


Reviewers: MatzeB, hfinkel, rengolin, delcypher

Differential Revision: https://reviews.llvm.org/D43314

llvm-svn: 327422
2018-03-13 16:37:59 +00:00
Lei Huang
0682c88dc5 Losen time contraint to accommodate system loads
llvm-svn: 326359
2018-02-28 20:05:24 +00:00
Max Moroz
64c109e669 [lit] Implement "-r" option for builtin "diff" command + a test using that.
Summary:
That would allow to recursively compare directories in tests using
"diff -r" on Windows in a similar way as it can be done on Linux or Mac.

Reviewers: zturner, morehouse, vsk

Reviewed By: zturner

Subscribers: kcc, llvm-commits

Differential Revision: https://reviews.llvm.org/D41776

llvm-svn: 322102
2018-01-09 18:23:34 +00:00
Ying Yi
9a1c00f5fb [lit] Implement non-pipelined ‘mkdir’, ‘diff’ and ‘rm’ commands internally
Summary:
The internal shell already supports 'cd', ‘export’ and ‘echo’ commands.
This patch adds implementation of non-pipelined ‘mkdir’, ‘diff’ and ‘rm’
commands as the internal shell builtins.

Reviewed by: Zachary Turner, Reid Kleckner

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D39567

llvm-svn: 319528
2017-12-01 09:54:27 +00:00
Greg Bedwell
be0f0e6e2f Make check-lit tests respect LLVM_LIT_TOOLS_DIR
Differential Revision: https://reviews.llvm.org/D40520

llvm-svn: 319329
2017-11-29 18:05:26 +00:00
Ying Yi
83c2048bab Reverted rL318911 since it broke the sanitizer-windows.
llvm-svn: 318914
2017-11-23 13:23:21 +00:00
Ying Yi
c5a292bdd3 [lit] Implement non-pipelined ‘mkdir’, ‘diff’ and ‘rm’ commands internally
Summary:
The internal shell already supports 'cd', ‘export’ and ‘echo’ commands. 
This patch adds implementation of non-pipelined ‘mkdir’, ‘diff’ and ‘rm’ 
commands as the internal shell builtins.

Reviewers: Zachary Turner, Reid Kleckner

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D39567

llvm-svn: 318911
2017-11-23 12:48:41 +00:00
Jordan Rose
b9755eaa6d Revert "lit.py: Add new %{shared_output(LABEL)} substitution"
This reverts r315697 and my ill-fated attempts to fix it on Windows.
I'll try again when I get access to a Windows machine.

llvm-svn: 315793
2017-10-14 04:01:27 +00:00
Jordan Rose
d7b4ac5704 lit.py: Give up and disable the new shared-output.py test on Windows
"No such file or directory: C:\\...\\tests\\Output\\shared-output.py.tmp/Output/Shared/SHARED.tmp"

And yet other forward-slashes don't seem to be causing the same
problem. I'll see if I can get ahold of a Windows machine to poke at
this directly later.

llvm-svn: 315792
2017-10-14 03:33:46 +00:00
Jordan Rose
cabcb00592 lit.py: Previous test fix was a red herring; backslashes are escapes
I don't have access to a Windows machine at the moment, so if this
doesn't fix it I'll just revert for now.

llvm-svn: 315782
2017-10-14 00:49:19 +00:00
Jordan Rose
efdd00d795 lit.py: Fix new test harder for systems that don't use / as os.path.sep
I didn't think about '%{inputs}' having the same problem. This one
should be a fully Windows path name.

llvm-svn: 315779
2017-10-14 00:26:48 +00:00