[llvm-bugs] [Bug 35296] New: [LoopUnroll / DT] "DominatorTree is not up to date" if -unroll-runtime-multi-exit given

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=35296

            Bug ID: 35296
           Summary: [LoopUnroll / DT]  "DominatorTree is not up to date"
                    if -unroll-runtime-multi-exit given
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Scalar Optimizations
          Assignee: unassignedbugs at nondot.org
          Reporter: paulsson at linux.vnet.ibm.com
                CC: llvm-bugs at lists.llvm.org

Created attachment 19419
  --> https://bugs.llvm.org/attachment.cgi?id=19419&action=edit
reduced testcase

bin/opt -S -mtriple=s390x-linux-gnu -mcpu=z13 tc_domtree.ll -O3
-unroll-runtime-multi-exit

Discovered on SPEC, merely by passing 'unroll-runtime-multi-exit'.

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