[LLVMbugs] [Bug 1729] New: bootstap broken on x86_64

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=1729

           Summary: bootstap broken on x86_64
           Product: libraries
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: major
          Priority: P2
         Component: Backend: X86
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: rafael.espindola at gmail.com
                CC: llvmbugs at cs.uiuc.edu


Created an attachment (id=1156)
 --> (http://llvm.org/bugs/attachment.cgi?id=1156)
testcase

With the reduced attached testcase:

espindola at death:~$ llc bugpoint-reduced-simplified.bc
llc[0xcc91e2]
llc[0xcc944e]
/lib/libc.so.6[0x2aaaab8b16a0]
llc(llvm::SimpleRegisterCoalescing::AdjustCopiesBackFrom(llvm::LiveInterval&,
llvm::LiveInterval&, llvm::MachineInstr*)+0x6e)[0xb3d778]
llc(llvm::SimpleRegisterCoalescing::JoinCopy(llvm::MachineInstr*, unsigned int,
unsigned int, bool)+0xef5)[0xb3eb9f]
llc(llvm::SimpleRegisterCoalescing::joinIntervals()+0x394)[0xb3f5b4]
llc(llvm::SimpleRegisterCoalescing::runOnMachineFunction(llvm::MachineFunction&)+0x2b1)[0xb3fb3b]
llc(llvm::MachineFunctionPass::runOnFunction(llvm::Function&)+0x33)[0x768505]
llc(llvm::FPPassManager::runOnFunction(llvm::Function&)+0x10e)[0xc5cc62]
llc(llvm::FunctionPassManagerImpl::run(llvm::Function&)+0x74)[0xc5ce88]
llc(llvm::FunctionPassManager::run(llvm::Function&)+0x7f)[0xc5cfe5]
llc(main+0x8ac)[0x74e81e]
/lib/libc.so.6(__libc_start_main+0xf4)[0x2aaaab89db44]
llc(cos+0x129)[0x74d089]


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