Regression

LLVM.CodeGen/X86.avx-isa-check.ll (from LLVM)

Failing for the past 1 build (Since Failed#7066 )
Took 0.57 sec.

Stacktrace

Script:
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: 'RUN: at line 3';   /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llc < /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/CodeGen/X86/avx-isa-check.ll -mtriple=x86_64-apple-darwin -show-mc-encoding -mcpu=corei7-avx                             -o /dev/null
: 'RUN: at line 4';   /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llc < /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/CodeGen/X86/avx-isa-check.ll -mtriple=x86_64-apple-darwin -show-mc-encoding -mcpu=core-avx2 -mattr=+avx2                 -o /dev/null
: 'RUN: at line 5';   /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llc < /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/CodeGen/X86/avx-isa-check.ll -mtriple=x86_64-apple-darwin -show-mc-encoding -mcpu=knl                                    -o /dev/null
: 'RUN: at line 6';   /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llc < /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/CodeGen/X86/avx-isa-check.ll -mtriple=x86_64-apple-darwin -show-mc-encoding -mcpu=knl  -mattr=+avx512vl                  -o /dev/null
: 'RUN: at line 7';   /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llc < /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/CodeGen/X86/avx-isa-check.ll -mtriple=x86_64-apple-darwin -show-mc-encoding -mcpu=knl  -mattr=+avx512bw                  -o /dev/null
: 'RUN: at line 8';   /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llc < /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/CodeGen/X86/avx-isa-check.ll -mtriple=x86_64-apple-darwin -show-mc-encoding -mcpu=knl  -mattr=+avx512vl -mattr=+avx512bw -o /dev/null
: 'RUN: at line 9';   /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llc < /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/CodeGen/X86/avx-isa-check.ll -mtriple=x86_64-apple-darwin -show-mc-encoding -mcpu=skx                                    -o /dev/null
--
Exit Code: 134

Command Output (stderr):
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/Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/include/llvm/CodeGen/ReachingDefAnalysis.h:47:43: runtime error: left shift of negative value -1
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/include/llvm/CodeGen/ReachingDefAnalysis.h:47:43 in 
PLEASE submit a bug report to https://bugs.llvm.org/ and include the crash backtrace.
Stack dump:
0.	Program arguments: /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llc -mtriple=x86_64-apple-darwin -show-mc-encoding -mcpu=corei7-avx -o /dev/null 
1.	Running pass 'Function Pass Manager' on module '<stdin>'.
2.	Running pass 'ReachingDefAnalysis' on function '@vpand_256'
/Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/CodeGen/X86/Output/avx-isa-check.ll.script: line 7: 55639 Abort trap: 6           /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llc -mtriple=x86_64-apple-darwin -show-mc-encoding -mcpu=corei7-avx -o /dev/null < /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/CodeGen/X86/avx-isa-check.ll

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