[LLVMbugs] [Bug 7988] New: UNREACHABLE executed at NEONPreAllocPass.cpp:471

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Wed Aug 25 07:10:33 PDT 2010


           Summary: UNREACHABLE executed at NEONPreAllocPass.cpp:471
           Product: libraries
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Backend: ARM
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: Edmund.Grimley-Evans at arm.com
                CC: llvmbugs at cs.uiuc.edu

Created an attachment (id=5412)
 --> (http://llvm.org/bugs/attachment.cgi?id=5412)
Proposed test case

I think the attached test case should pass, though I can't be certain.

The idea is that splitting and then recombining should be a no op. Is there a
better way of testing for that?

Currently, with r112047, I get this error:

expected a REG_SEQUENCE
UNREACHABLE executed at NEONPreAllocPass.cpp:471!

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