[LLVMdev] Lots of regtest failures on PPC64/Linux

[İsmail Dönmez]

Hi Hal,

These tests failures go away when I disable static libs
aka -DBUILD_SHARED_LIBS=OFF , with that only 2 regtest failures are left:


[ 1314s] FAILED: cd /home/abuild/rpmbuild/BUILD/llvm/stage2/test &&
/usr/bin/python /home/abuild/rpmbuild/BUILD/llvm/utils/lit/lit.py -sv
--param
llvm_site_config=/home/abuild/rpmbuild/BUILD/llvm/stage2/test/lit.site.cfg
--param
llvm_unit_site_config=/home/abuild/rpmbuild/BUILD/llvm/stage2/test/Unit/lit.site.cfg
/home/abuild/rpmbuild/BUILD/llvm/stage2/test
[ 1314s] lit.py: run.py:223: note: failed to initialize multiprocessing
[ 1314s] -- Testing: 10750 tests, 16 threads --
[ 1314s] Testing: 0 .. 10.. 20.. 30.. 40.. 50
[ 1314s] FAIL: LLVM :: DebugInfo/missing-abstract-variable.ll (5826 of
10750)
[ 1314s] ******************** TEST 'LLVM ::
DebugInfo/missing-abstract-variable.ll' FAILED ********************
[ 1314s] Script:
[ 1314s] --
[ 1314s] /home/abuild/rpmbuild/BUILD/llvm/stage2/./bin/llc -O0
-filetype=obj <
/home/abuild/rpmbuild/BUILD/llvm/test/DebugInfo/missing-abstract-variable.ll
| /home/abuild/rpmbuild/BUILD/llvm/stage2/./bin/llvm-dwarfdump
-debug-dump=info - |
/home/abuild/rpmbuild/BUILD/llvm/stage2/./bin/FileCheck
/home/abuild/rpmbuild/BUILD/llvm/test/DebugInfo/missing-abstract-variable.ll
[ 1314s] --
[ 1314s] Exit Code: 1
[ 1314s]
[ 1314s] Command Output (stderr):
[ 1314s] --
[ 1314s]
/home/abuild/rpmbuild/BUILD/llvm/test/DebugInfo/missing-abstract-variable.ll:74:10:
error: expected string not found in input
[ 1314s] ; CHECK: DW_TAG_formal_parameter
[ 1314s]          ^
[ 1314s] <stdin>:85:67: note: scanning from here
[ 1314s]  DW_AT_abstract_origin [DW_FORM_ref4] (cu + 0x002a => {0x0000002a})
[ 1314s]                                                                   ^
[ 1314s] <stdin>:91:13: note: possible intended match here
[ 1314s] 0x000000b7: DW_TAG_lexical_block [8] *
[ 1314s]             ^
[ 1314s]
[ 1314s] --


and

[ 1314s] ******************** TEST 'LLVM-Unit ::
ADT/ADTTests/HashingTest.HashCombineBasicTest' FAILED ********************
[ 1314s] Note: Google Test filter = HashingTest.HashCombineBasicTest
[ 1314s] [==========] Running 1 test from 1 test case.
[ 1314s] [----------] Global test environment set-up.
[ 1314s] [----------] 1 test from HashingTest
[ 1314s] [ RUN      ] HashingTest.HashCombineBasicTest
[ 1314s] ../unittests/ADT/HashingTest.cpp:413: Failure
[ 1314s] Value of: hash_combine(bigarr[0], bigarr[1], l3)
[ 1314s]   Actual: 5088237075164901046
[ 1314s] Expected: hash_combine_range(bigarr, bigarr + 10)
[ 1314s] Which is: 16538947639308476466
[ 1314s] [  FAILED  ] HashingTest.HashCombineBasicTest (0 ms)
[ 1314s] [----------] 1 test from HashingTest (0 ms total)
[ 1314s]
[ 1314s] [----------] Global test environment tear-down
[ 1314s] [==========] 1 test from 1 test case ran. (0 ms total)
[ 1314s] [  PASSED  ] 0 tests.
[ 1314s] [  FAILED  ] 1 test, listed below:
[ 1314s] [  FAILED  ] HashingTest.HashCombineBasicTest
[ 1314s]
[ 1314s]  1 FAILED TEST





On Mon, May 12, 2014 at 4:02 PM, Hal Finkel <hfinkel at anl.gov> wrote:

> ----- Original Message -----
> > From: "İsmail Dönmez" <ismail at donmez.ws>
> > To: "Hal Finkel" <hfinkel at anl.gov>
> > Cc: "LLVM Developers Mailing List" <llvmdev at cs.uiuc.edu>
> > Sent: Monday, May 12, 2014 7:18:48 AM
> > Subject: Re: Lots of regtest failures on PPC64/Linux
> >
> >
> > Hi Hal,
> >
> >
> >
> >
> >
> > On Tue, Apr 1, 2014 at 8:34 PM, İsmail Dönmez < ismail at donmez.ws >
> > wrote:
> >
> >
> >
> > Hi,
> >
> >
> >
> >
> > On Tue, Apr 1, 2014 at 3:26 PM, Hal Finkel < hfinkel at anl.gov > wrote:
> >
> >
> > İsmail,
> >
> > I still don't see these errors locally. Can you try with an
> > autoconf-based build and see if they're somehow related to
> > (triggered by) the way that cmake builds LLVM?
> >
> >
> >
> >
> > On the same machine autoconf build is fine where as cmake has
> > failures, reproduced simply with
> >
> >
> > cmake -DLLVM_ENABLE_ASSERTIONS=ON -DCMAKE_BUILD_TYPE=Release ..
> > make -j10
> > make check-all -j10
> >
> >
> > Did you have a chance to test with cmake? Current clang trunk still
> > shows 47 test failures on our PPC64 systems.
>
> Unfortunately no, this is on my TODO list, but I've not gotten to it yet.
> Hopefully next week.
>
>  -Hal
>
> >
> >
> > Thanks.
> >
>
> --
> Hal Finkel
> Assistant Computational Scientist
> Leadership Computing Facility
> Argonne National Laboratory
>
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