[LLVMbugs] [Bug 5703] New: Assertion in LiveIntervals

bugzilla-daemon at cs.uiuc.edu bugzilla-daemon at cs.uiuc.edu
Sun Dec 6 18:33:45 PST 2009


           Summary: Assertion in LiveIntervals
           Product: libraries
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Common Code Generator Code
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: asl at math.spbu.ru
                CC: llvmbugs at cs.uiuc.edu

Created an attachment (id=3916)
 --> (http://llvm.org/bugs/attachment.cgi?id=3916)

Consider the code attached. Running LLC yields an assertion:

$ ./llc intr.ll 
llc: /home/asl/proj/llvm/src/include/llvm/CodeGen/LiveIntervalAnalysis.h:87:
llvm::LiveInterval& llvm::LiveIntervals::getInterval(unsigned int): Assertion
`I != r2iMap_.end() && "Interval does not exist for register"' failed.

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