[LLVMbugs] [Bug 1279] NEW: another assertion failed in RegisterScavenging

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=1279

           Summary: another 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 laurov-desktop:~/llvm/llvm/build$ llc bugpoint-reduced-simplified.bc
llc: /home/laurov/llvm/llvm/lib/CodeGen/RegisterScavenging.cpp:141: void
llvm::RegScavenger::forward(): Assertion `isUnused(Reg) || isReserved(Reg)' failed.
llc((anonymous namespace)::PrintStackTrace()+0x1a)[0x88d7886]
llc((anonymous namespace)::SignalHandler(int)+0x112)[0x88d7b4c]
[0xffffe420]
/lib/tls/i686/cmov/libc.so.6(abort+0x103)[0xb7d8cef3]
/lib/tls/i686/cmov/libc.so.6(__assert_fail+0xfb)[0xb7d84dbb]
llc(llvm::RegScavenger::forward()+0x3df)[0x8741249]
llc(llvm::RegScavenger::forward(llvm::ilist_iterator<llvm::MachineInstr>)+0x13)[0x8455267]
llc[0x872b9ea]
llc[0x872d99e]
llc(llvm::MachineFunctionPass::runOnFunction(llvm::Function&)+0x28)[0x8405a8e]
llc(llvm::FPPassManager::runOnFunction(llvm::Function&)+0x13a)[0x88639a6]
llc(llvm::FunctionPassManagerImpl::run(llvm::Function&)+0x6e)[0x8863c2a]
llc(llvm::FunctionPassManager::run(llvm::Function&)+0x88)[0x8863cea]
llc(main+0xbe9)[0x83d6bdd]
/lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xdc)[0xb7d778cc]
llc(__gxx_personality_v0+0x175)[0x83d4f11]
Aborted (core dumped)



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