[LLVMbugs] [Bug 6497] New: Assertion failed: (Node2Index[SU->NodeNum] > Node2Index[I->getSUnit()->NodeNum] && "Wrong topological sorting"), function InitDAGTopologicalSorting, file ScheduleDAG.cpp, line 462.

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=6497

           Summary: Assertion failed: (Node2Index[SU->NodeNum] >
                    Node2Index[I->getSUnit()->NodeNum] && "Wrong
                    topological sorting"), function
                    InitDAGTopologicalSorting, file ScheduleDAG.cpp, line
                    462.
           Product: libraries
           Version: trunk
          Platform: PC
        OS/Version: FreeBSD
            Status: NEW
          Severity: enhancement
          Priority: P5
         Component: Common Code Generator Code
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: rdivacky at freebsd.org
                CC: llvmbugs at cs.uiuc.edu


Created an attachment (id=4392)
 --> (http://llvm.org/bugs/attachment.cgi?id=4392)
testt case

on i386 I am getting this assert when compiling the attached with

clang -O2 r600_cp.c

I believe this is quite recent, it definitely wasnt there on Feb 13th

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