[LLVMbugs] [Bug 11765] New: Assertion in register scavenger

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=11765

             Bug #: 11765
           Summary: Assertion in register scavenger
           Product: libraries
           Version: trunk
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Common Code Generator Code
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: asl at math.spbu.ru
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified


Created attachment 7880
  --> http://llvm.org/bugs/attachment.cgi?id=7880
Testcase

Consider the attached .ll file

Running

llc -mcpu=cortex-a9 -join-liveintervals=0 yields the assertion in the register
scavenger.

-join-liveintervals=1 inhibits the problem.

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