[llvm-bugs] [Bug 43320] New: [MemorySSA::verifyDomination] Assertion "Memory PHI does not dominate it's uses" failed.

via llvm-bugs llvm-bugs at lists.llvm.org
Sun Sep 15 03:03:10 PDT 2019


            Bug ID: 43320
           Summary: [MemorySSA::verifyDomination]  Assertion "Memory PHI
                    does not dominate it's uses" failed.
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Loop Optimizer
          Assignee: unassignedbugs at nondot.org
          Reporter: paulsson at linux.vnet.ibm.com
                CC: llvm-bugs at lists.llvm.org

Created attachment 22499
  --> https://bugs.llvm.org/attachment.cgi?id=22499&action=edit
unreduced test case

clang -cc1 -triple s390x-ibm-linux -S -save-temps=cwd -disable-free
-main-file-name test.c -mrelocation-model static -mthread-model posix
-mframe-pointer=none -fmath-errno -masm-verbose -mconstructor-aliases
-fuse-init-array -target-cpu arch13 -dwarf-column-info -debugger-tuning=gdb -O3
-w  -ferror-limit 19 -fmessage-length 0 -fno-signed-char -fobjc-runtime=gcc
-fdiagnostics-show-option -fcolor-diagnostics -vectorize-loops -vectorize-slp
-mllvm -extra-vectorizer-passes -mllvm -disable-basicaa -faddrsig -o test.s -x
ir tc_memphiver.bc

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