Regression

LLVM.CodeGen/ARM.float-helpers.s (from LLVM)

Failing for the past 1 build (Since Failed#7066 )
Took 0.63 sec.

Stacktrace

Script:
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: 'RUN: at line 2';   /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llc -asm-verbose=false -mattr=-vfp2 -mtriple=arm-eabi < /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/CodeGen/ARM/float-helpers.s | /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/FileCheck /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/CodeGen/ARM/float-helpers.s -check-prefix=CHECK-SOFT
: 'RUN: at line 3';   /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llc -asm-verbose=false -mattr=-vfp2 -mtriple=arm-eabi -meabi=gnu < /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/CodeGen/ARM/float-helpers.s | /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/FileCheck /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/CodeGen/ARM/float-helpers.s -check-prefix=CHECK-SOFT
: 'RUN: at line 4';   /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llc -asm-verbose=false -mattr=+vfp3 -mtriple=arm-eabi < /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/CodeGen/ARM/float-helpers.s | /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/FileCheck /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/CodeGen/ARM/float-helpers.s -check-prefix=CHECK-SOFTFP
: 'RUN: at line 5';   /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llc -asm-verbose=false -mattr=+vfp3 -meabi=gnu -mtriple=arm-eabi < /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/CodeGen/ARM/float-helpers.s | /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/FileCheck /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/CodeGen/ARM/float-helpers.s -check-prefix=CHECK-SOFTFP
: 'RUN: at line 6';   /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llc -asm-verbose=false -mattr=+vfp3 -float-abi=hard -mtriple=arm-eabi < /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/CodeGen/ARM/float-helpers.s | /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/FileCheck /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/CodeGen/ARM/float-helpers.s -check-prefix=CHECK-HARDFP-SP -check-prefix=CHECK-HARDFP-DP
: 'RUN: at line 7';   /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llc -asm-verbose=false -mattr=+vfp3 -float-abi=hard -meabi=gnu -mtriple=arm-eabi < /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/CodeGen/ARM/float-helpers.s | /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/FileCheck /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/CodeGen/ARM/float-helpers.s -check-prefix=CHECK-HARDFP-SP -check-prefix=CHECK-HARDFP-DP
: 'RUN: at line 8';   /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llc -asm-verbose=false -mattr=+vfp3,-fp64 -float-abi=hard -mtriple=arm-eabi < /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/CodeGen/ARM/float-helpers.s | /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/FileCheck /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/CodeGen/ARM/float-helpers.s -check-prefix=CHECK-HARDFP-SP -check-prefix=CHECK-HARDFP-SPONLY
: 'RUN: at line 9';   /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llc -asm-verbose=false -mattr=+vfp3,-fp64 -float-abi=hard -mtriple=arm-eabi -meabi=gnu < /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/CodeGen/ARM/float-helpers.s | /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/FileCheck /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/CodeGen/ARM/float-helpers.s -check-prefix=CHECK-HARDFP-SP -check-prefix=CHECK-HARDFP-SPONLY
--
Exit Code: 2

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 -asm-verbose=false -mattr=-vfp2 -mtriple=arm-eabi 
1.	Running pass 'Function Pass Manager' on module '<stdin>'.
2.	Running pass 'ReachingDefAnalysis' on function '@fadd'
FileCheck error: '<stdin>' is empty.
FileCheck command line:  /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/FileCheck /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/CodeGen/ARM/float-helpers.s -check-prefix=CHECK-SOFT

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