Regression

LLVM.CodeGen/X86.vec_uint_to_fp-fastmath.ll (from LLVM)

Failing for the past 1 build (Since Failed#7066 )
Took 0.64 sec.

Stacktrace

Script:
--
: 'RUN: at line 1';   /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/vec_uint_to_fp-fastmath.ll -mtriple=x86_64 -enable-unsafe-fp-math    | /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/X86/vec_uint_to_fp-fastmath.ll --check-prefix=CHECK --check-prefix=CST --check-prefix=SSE --check-prefix=SSE2
: '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/vec_uint_to_fp-fastmath.ll -mtriple=x86_64 -enable-unsafe-fp-math -mattr=+sse4.1    | /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/X86/vec_uint_to_fp-fastmath.ll --check-prefix=CHECK --check-prefix=CST --check-prefix=SSE --check-prefix=SSE41
: '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/vec_uint_to_fp-fastmath.ll -mtriple=x86_64 -enable-unsafe-fp-math -mattr=+avx    | /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/X86/vec_uint_to_fp-fastmath.ll --check-prefix=CHECK --check-prefix=CST --check-prefix=AVX
: '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/vec_uint_to_fp-fastmath.ll -mtriple=x86_64 -enable-unsafe-fp-math -mattr=+avx2    | /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/X86/vec_uint_to_fp-fastmath.ll --check-prefix=CHECK --check-prefix=AVX2
: '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/vec_uint_to_fp-fastmath.ll -mtriple=x86_64 -enable-unsafe-fp-math -mattr=+avx512f    | /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/X86/vec_uint_to_fp-fastmath.ll --check-prefix=CHECK --check-prefix=AVX512F
: 'RUN: at line 11';   /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/vec_uint_to_fp-fastmath.ll -mtriple=x86_64 -enable-unsafe-fp-math -mattr=+avx512vl    | /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/X86/vec_uint_to_fp-fastmath.ll --check-prefix=CHECK --check-prefix=AVX512VL
--
Exit Code: 2

Command Output (stderr):
--
/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 -enable-unsafe-fp-math 
1.	Running pass 'Function Pass Manager' on module '<stdin>'.
2.	Running pass 'ReachingDefAnalysis' on function '@test_uitofp_v4i32_to_v4f32'
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/X86/vec_uint_to_fp-fastmath.ll --check-prefix=CHECK --check-prefix=CST --check-prefix=SSE --check-prefix=SSE2

--