Regression

LLVM.CodeGen/PowerPC.2006-12-07-SelectCrash.ll (from LLVM)

Failing for the past 1 build (Since Failed#7066 )
Took 1.3 sec.

Stacktrace

Script:
--
: 'RUN: at line 1';   /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llc -verify-machineinstrs < /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/CodeGen/PowerPC/2006-12-07-SelectCrash.ll -mtriple=ppc64--
: 'RUN: at line 2';   /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llc -verify-machineinstrs < /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/CodeGen/PowerPC/2006-12-07-SelectCrash.ll -mtriple=ppc32--
: 'RUN: at line 3';   /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llc -verify-machineinstrs < /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/CodeGen/PowerPC/2006-12-07-SelectCrash.ll
--
Exit Code: 134

Command Output (stdout):
--
	.text
	.file	"<stdin>"
	.globl	qst                     # -- Begin function qst
	.p2align	2
	.type	qst,@function
	.section	.opd,"aw",@progbits
qst:                                    # @qst
	.p2align	3
	.quad	.Lfunc_begin0
	.quad	.TOC.@tocbase
	.quad	0
	.text
.Lfunc_begin0:
	.cfi_startproc
# %bb.0:                                # %entry
	addis 3, 2, .LC0@toc@ha
	ld 3, .LC0@toc@l(3)
	lbz 3, 0(3)
	rldicr. 3, 3, 2, 61
.LBB0_1:                                # %bb139
                                        # =>This Inner Loop Header: Depth=1
	bc 4, 2, .LBB0_1
# %bb.2:                                # %bb82
	blr
	.long	0
	.quad	0
.Lfunc_end0:
	.size	qst, .Lfunc_end0-.Lfunc_begin0
	.cfi_endproc
                                        # -- End function
	.section	".note.GNU-stack","",@progbits
	.section	.toc,"aw",@progbits
.LC0:
	.tc qsz.b[TC],qsz.b
	.text
	.file	"<stdin>"
	.globl	qst                     # -- Begin function qst
	.p2align	2
	.type	qst,@function
qst:                                    # @qst
.Lfunc_begin0:
	.cfi_startproc
# %bb.0:                                # %entry
	lis 3, qsz.b@ha
	lbz 3, qsz.b@l(3)
	rlwinm. 3, 3, 2, 0, 31
.LBB0_1:                                # %bb139
                                        # =>This Inner Loop Header: Depth=1
	bc 4, 2, .LBB0_1
# %bb.2:                                # %bb82
	blr
.Lfunc_end0:
	.size	qst, .Lfunc_end0-.Lfunc_begin0
	.cfi_endproc
                                        # -- End function
	.section	".note.GNU-stack","",@progbits

--
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 -verify-machineinstrs 
1.	Running pass 'Function Pass Manager' on module '<stdin>'.
2.	Running pass 'ReachingDefAnalysis' on function '@qst'
/Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/CodeGen/PowerPC/Output/2006-12-07-SelectCrash.ll.script: line 3: 39932 Abort trap: 6           /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llc -verify-machineinstrs < /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/CodeGen/PowerPC/2006-12-07-SelectCrash.ll

--