> On Oct 15, 2018, at 4:40 PM, Vedant Kumar <[email protected]> wrote:
>
>
>
>> On Oct 15, 2018, at 3:47 PM, Stella Stamenova via Phabricator
>> <[email protected]> wrote:
>>
>> stella.stamenova added a comment.
>>
>> In https://reviews.llvm.org/D50478#1262717, @vsk wrote:
>>
>>> In https://reviews.llvm.org/D50478#1262710, @stella.stamenova wrote:
>>>
>>>> Unfortunately, the bots are broken because of the FileCheck issue, so I
>>>> can't confirm with them, but I see a number of these tests fail in our
>>>> local testing. Some fail on both Windows and Linux and some just fail on
>>>> Linux. Here are the failing tests:
>>>>
>>>> Linux:
>>>> lldb-Suite ::
>>>> functionalities/tail_call_frames/disambiguate_call_site/TestDisambiguateCallSite.py
>>>> lldb-Suite ::
>>>> functionalities/tail_call_frames/disambiguate_paths_to_common_sink/TestDisambiguatePathsToCommonSink.py
>>>> lldb-Suite ::
>>>> functionalities/tail_call_frames/disambiguate_tail_call_seq/TestDisambiguateTailCallSeq.py
>>>> lldb-Suite ::
>>>> functionalities/tail_call_frames/inlining_and_tail_calls/TestInliningAndTailCalls.py
>>>> lldb-Suite ::
>>>> functionalities/tail_call_frames/sbapi_support/TestTailCallFrameSBAPI.py
>>>> lldb-Suite ::
>>>> functionalities/tail_call_frames/thread_step_out_message/TestArtificialFrameStepOutMessage.py
>>>> lldb-Suite ::
>>>> functionalities/tail_call_frames/unambiguous_sequence/TestUnambiguousTailCalls.py
>>>>
>>>> Windows:
>>>> lldb-Suite ::
>>>> functionalities/tail_call_frames/sbapi_support/TestTailCallFrameSBAPI.py
>>>> lldb-Suite ::
>>>> functionalities/tail_call_frames/thread_step_out_or_return/TestSteppingOutWithArtificialFrames.py
>>>>
>>>>
>>>> Let me know what you need to investigate.
>>>
>>>
>>> Strange, I didn't get any bot failure notifications in the days after this
>>> landed. Could you share the output from the failing tests?
>>
>>
>> All the failures on Windows are happening when validating the function name.
>> For example:
>>
>> ======================================================================
>>
>> FAIL: test_tail_call_frame_sbapi
>> (TestTailCallFrameSBAPI.TestTailCallFrameSBAPI)
>>
>> ----------------------------------------------------------------------
>>
>> Traceback (most recent call last):
>>
>> File
>> "E:\_work\55\s\llvm\tools\lldb\packages\Python\lldbsuite\test\functionalities\tail_call_frames\sbapi_support\TestTailCallFrameSBAPI.py",
>> line 19, in test_tail_call_frame_sbapi
>>
>> self.do_test()
>>
>> File
>> "E:\_work\55\s\llvm\tools\lldb\packages\Python\lldbsuite\test\functionalities\tail_call_frames\sbapi_support\TestTailCallFrameSBAPI.py",
>> line 64, in do_test
>>
>> self.assertTrue(frame.GetDisplayFunctionName() == name)
>
> It could be that the display name of a function is formatted differently on
> Windows. Do you have an easy way of determining what
> frame.GetDisplayFunctionName() is?
If you use assertEqual(a,b) instead of assertTrue, it will print out the values
and make it easier to debug.
Fred
>
>>
>> AssertionError: False is not True
>>
>> Config=x86_64-E:\_work\55\b\LLVMBuild\Release\bin\clang.exe
>>
>> ----------------------------------------------------------------------
>>
>> There are several different failures on Linux. Here's the first one:
>>
>> FAIL: LLDB (/vstsdrive/_work/38/b/LLVMBuild/bin/clang-8-x86_64) ::
>> test_dwarf (lldbsuite.test.lldbtest.TestDisambiguateCallSite)
>>
>> --- FileCheck trace (code=1) ---
>> /vstsdrive/_work/38/b/LLVMBuild/bin/FileCheck
>> /vstsdrive/_work/38/s/llvm/tools/lldb/packages/Python/lldbsuite/test/functionalities/tail_call_frames/disambiguate_call_site/main.cpp
>> -implicit-check-not=artificial
>>
>> FileCheck input:
>> * thread #1, name = 'a.out', stop reason = breakpoint 1.1
>> * frame #0: 0x0000000000400580 a.out`sink() at main.cpp:13:4 [opt]
>> frame #1: 0x00000000004005b8 a.out`main(argc=1, (null)=<unavailable>) at
>> main.cpp:28:3 [opt]
>> frame #2: 0x00007f980aff7830 libc.so.6`__libc_start_main + 240
>> frame #3: 0x00000000004004a9 a.out`_start + 41
>
> It looks like we're not generating tail call frames on Linux at all. It would
> help to have logs from "log enable -f /tmp/linux-stepping.log lldb step".
>
> I'm headed out of the office now, but If you need to disable the tests on
> Windows/Linux , the fastest way to do that would be to add a platform check
> to skipUnlessHasCallSiteInfo in decorators.py.
>
> vedant
>
>
>>
>>
>> FileCheck output:
>>
>> /vstsdrive/_work/38/s/llvm/tools/lldb/packages/Python/lldbsuite/test/functionalities/tail_call_frames/disambiguate_call_site/main.cpp:15:17:
>> error: CHECK-NEXT: expected string not found in input
>> // CHECK-NEXT: func2{{.*}} [opt] [artificial]
>> ^
>> <stdin>:3:2: note: scanning from here
>> frame #1: 0x00000000004005b8 a.out`main(argc=1, (null)=<unavailable>) at
>> main.cpp:28:3 [opt]
>> ^
>> <stdin>:3:80: note: possible intended match here
>> frame #1: 0x00000000004005b8 a.out`main(argc=1, (null)=<unavailable>) at
>> main.cpp:28:3 [opt]
>>
>> ^
>>
>> Let me know if you need more logs.
>>
>>
>> Repository:
>> rLLDB LLDB
>>
>> https://reviews.llvm.org/D50478
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