[LLVMbugs] [Bug 1051] NEW: Assertion "Register class of operand and regclass of use don't agree!"' failed.

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=1051

           Summary: Assertion "Register class of operand and regclass of use
                    don't agree!"' failed.
           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


And another assertion in Qt series :)

Attached bytecode:

1. Produce assertion:
llc: /home/asl/proj/llvm/src/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp:367: void
llvm::ScheduleDAG::AddOperand(llvm::MachineInstr*, llvm::SDOperand, unsigned
int, const llvm::TargetInstrDescriptor*, std::map<llvm::SDNode*, unsigned int,
std::less<llvm::SDNode*>, std::allocator<std::pair<llvm::SDNode* const, unsigned
int> > >&): Assertion `RegMap->getRegClass(VReg) == RC && "Register class of
operand and regclass of use don't agree!"' failed.
./llc((anonymous namespace)::PrintStackTrace()+0x1f)[0x85a8cef]
/lib/libc.so.6(abort+0xeb)[0xb7d03133]
/lib/libc.so.6(__assert_fail+0xeb)[0xb7cfb4f3]
./llc(llvm::ScheduleDAG::AddOperand(llvm::MachineInstr*, llvm::SDOperand,
unsigned int, llvm::TargetInstrDescriptor const*, std::map<llvm::SDNode*,
unsigned int, std::less<llvm::SDNode*>, std::allocator<std::pair<llvm::SDNode*
const, unsigned int> > >&)+0x6b9)[0x840c479]

2. Bugpoint just hangs at some step reducing it. -timeout don't work...



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