[LLVMbugs] [Bug 12409] New: Assertion during post-RA pseudo expansion

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=12409

             Bug #: 12409
           Summary: Assertion during  post-RA pseudo expansion
           Product: libraries
           Version: trunk
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Backend: ARM
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: asl at math.spbu.ru
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified


Created attachment 8286
  --> http://llvm.org/bugs/attachment.cgi?id=8286
Testcase

Consider the attached testcase. Running llc -O0 fails due to impossible reg-reg
copy asked.

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