https://bugs.llvm.org/show_bug.cgi?id=43244
Bug ID: 43244
Summary: 9.0rc3
SingleSource/UnitTests/Vector/AVX512F/Vector-AVX512F-t
_movzext.test fails
Product: clang
Version: 9.0
Hardware: PC
OS: Windows NT
Status: NEW
Severity: enhancement
Priority: P
Component: LLVM Codegen
Assignee: unassignedclangb...@nondot.org
Reporter: brian.c...@gmail.com
CC: llvm-bugs@lists.llvm.org, neeil...@live.com,
richard-l...@metafoo.co.uk
While running the test-release.sh on Ubuntu 16.04, the test-suite run fails on
'SingleSource/UnitTests/Vector/AVX512F/Vector-AVX512F-t_movzext.test'.
The build machine I used has a skylake CPU (Silver 4114). My previous builds
of llvm+clang on Ubuntu 16 were usually on a much older AMD CPU that would have
not had support for this AVX512 test case.
Because of the test's description and the failure mode, I've speculated that
this is a codegen failure.
~~~~~~~
FAIL: test-suite ::
SingleSource/UnitTests/Vector/AVX512F/Vector-AVX512F-t_movzext.test (930 of
991)
******************** TEST 'test-suite ::
SingleSource/UnitTests/Vector/AVX512F/Vector-AVX512F-t_movzext.test' FAILED
********************
/local/mnt/brian/bcain_clang_tedwood-ubuntu_9506/llvm/utils/release/rc3/test-suite-build/tools/timeit-target
--limit-core 0 --limit-cpu 7200 --timeout 7200 --limit-file-size 104857600
--limit-rss-size 838860800 --append-exitstatus --redirect-output
/local/mnt/brian/bcain_clang_tedwood-ubuntu_9506/llvm/utils/release/rc3/test-suite-build/SingleSource/UnitTests/Vector/AVX512F/Output/Vector-AVX512F-t_movzext.test.out
--redirect-input /dev/null --chdir
/local/mnt/brian/bcain_clang_tedwood-ubuntu_9506/llvm/utils/release/rc3/test-suite-build/SingleSource/UnitTests/Vector/AVX512F
--summary
/local/mnt/brian/bcain_clang_tedwood-ubuntu_9506/llvm/utils/release/rc3/test-suite-build/SingleSource/UnitTests/Vector/AVX512F/Output/Vector-AVX512F-t_movzext.test.time
/local/mnt/brian/bcain_clang_tedwood-ubuntu_9506/llvm/utils/release/rc3/test-suite-build/SingleSource/UnitTests/Vector/AVX512F/Vector-AVX512F-t_movzext
cd
/local/mnt/brian/bcain_clang_tedwood-ubuntu_9506/llvm/utils/release/rc3/test-suite-build/SingleSource/UnitTests/Vector/AVX512F
;
/local/mnt/brian/bcain_clang_tedwood-ubuntu_9506/llvm/utils/release/rc3/test-suite-build/tools/fpcmp-target
/local/mnt/brian/bcain_clang_tedwood-ubuntu_9506/llvm/utils/release/rc3/test-suite-build/SingleSource/UnitTests/Vector/AVX512F/Output/Vector-AVX512F-t_movzext.test.out
t_movzext.reference_output
/local/mnt/brian/bcain_clang_tedwood-ubuntu_9506/llvm/utils/release/rc3/test-suite-build/tools/fpcmp-target:
files differ without tolerance allowance
********************
Testing: 0 .. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90..
Testing Time: 82.47s
********************
Failing Tests (1):
test-suite ::
SingleSource/UnitTests/Vector/AVX512F/Vector-AVX512F-t_movzext.test
Expected Passes : 990
Unexpected Failures: 1
CMakeFiles/check.dir/build.make:1047: recipe for target 'CMakeFiles/check'
failed
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