[LLVMbugs] [Bug 1259] NEW: LiveVars assertion handling inline assembler.

bugzilla-daemon at cs.uiuc.edu bugzilla-daemon at cs.uiuc.edu
Sun Mar 18 10:27:57 PDT 2007


           Summary: LiveVars assertion handling inline assembler.
           Product: libraries
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Backend: X86
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: asl at math.spbu.ru
                CC: evan.cheng at apple.com

Consider attached bytecode. LLC results with:

./llc bugpoint-reduced-simplified.bc
llc: /home/asl/proj/llvm/src/lib/CodeGen/LiveInterval.cpp:189: llvm::LiveRange*
llvm::LiveInterval::addRangeFrom(llvm::LiveRange, llvm::LiveRange*): Assertion
`B->end <= Start && "Cannot overlap two LiveRanges with differing ValID's" "
(did you def the same reg twice in a MachineInstr?)"' failed.
./llc((anonymous namespace)::PrintStackTrace()+0x1f)[0x863177f]

I don't see anything wrong with the inline assembler itself.

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