[LLVMbugs] [Bug 1266] NEW: assertion failed in RegisterScavenging

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=1266

           Summary: assertion failed in RegisterScavenging
           Product: new-bugs
           Version: unspecified
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: lauro.venancio at gmail.com


laurov at edgy-laptop:/tmp$ llc bugpoint-reduced-simplified.bc 
llc: /home/laurov/llvm/llvm/lib/CodeGen/RegisterScavenging.cpp:138: void
llvm::RegScavenger::forward(): Assertion `isUsed(Reg)' failed.
llc((anonymous namespace)::PrintStackTrace()+0x1a)[0x88b929a]
llc((anonymous namespace)::SignalHandler(int)+0x112)[0x88b9560]
[0xffffe420]
/lib/tls/i686/cmov/libc.so.6(abort+0x103)[0xb7da1ef3]
/lib/tls/i686/cmov/libc.so.6(__assert_fail+0xfb)[0xb7d99dbb]
llc(llvm::RegScavenger::forward()+0x389)[0x8723507]
llc(llvm::RegScavenger::forward(llvm::ilist_iterator<llvm::MachineInstr>)+0x13)[0x84475c3]
llc[0x870dd3e]
llc[0x870fcf2]
llc(llvm::MachineFunctionPass::runOnFunction(llvm::Function&)+0x28)[0x83f802e]
llc(llvm::FPPassManager::runOnFunction(llvm::Function&)+0x13a)[0x8845ac6]
llc(llvm::FunctionPassManagerImpl::run(llvm::Function&)+0x6e)[0x8845d4a]
llc(llvm::FunctionPassManager::run(llvm::Function&)+0x88)[0x8845e0a]
llc(main+0xbaa)[0x83c920e]
/lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xdc)[0xb7d8c8cc]
llc(__gxx_personality_v0+0x17d)[0x83c7581]
Aborted (core dumped)



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