[llvm-bugs] [Bug 48149] New: Endless loop after IndVarSimplify

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=48149

            Bug ID: 48149
           Summary: Endless loop after IndVarSimplify
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Backend: AArch64
          Assignee: unassignedbugs at nondot.org
          Reporter: guopeilin1 at huawei.com
                CC: arnaud.degrandmaison at arm.com,
                    llvm-bugs at lists.llvm.org, smithp352 at googlemail.com,
                    Ties.Stuij at arm.com

Created attachment 24152
  --> https://bugs.llvm.org/attachment.cgi?id=24152&action=edit
test case

$ opt -indvars shared-exit-between-nested-loop.ll -S -o after-indvars.ll
$ llc after-indvars.ll -filetype=obj -o tmp.o
$ clang tmp.o -o tmp.out

I get stuck when I finally run ./tmp.out

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