InstrInfoEmitter.cpp patch

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<   OS << "\n#ifdef GET_INSTRINFO_MC_DESC\n";
<   OS << "#undef GET_INSTRINFO_MC_DESC\n";
<
<   OS << "namespace llvm {\n\n";
<
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>   std::string Namespace = Target.getInstNamespace();
>
>   OS << "\n#ifdef GET_INSTRINFO_MC_DESC\n";
>   OS << "#undef GET_INSTRINFO_MC_DESC\n";
>
>   OS << "namespace llvm {\n";
>   OS << "namespace " << Namespace << " {\n\n";
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<   OS << "\nMCInstrDesc " << TargetName << "Insts[] = {\n";
---
>   OS << "\nMCInstrDesc " << "Insts[] = {\n";
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>   OS << "} // End " << Namespace << " namespace \n";
>   OS << "} // End llvm namespace \n\n";
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>   OS << "namespace llvm {\n";
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<   OS << "  II->InitMCInstrInfo(" << TargetName << "Insts, "
---
>   OS << "  II->InitMCInstrInfo(" << Namespace << "::Insts, "
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<
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<   OS << "extern MCInstrDesc " << TargetName << "Insts[];\n";
---
>   OS << "namespace " << Namespace << " {\n";
>   OS << "extern MCInstrDesc " << "Insts[];\n";
>   OS << "} // End " << Namespace << " namespace \n";
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<      << "  InitMCInstrInfo(" << TargetName << "Insts, "
---
>      << "  InitMCInstrInfo(" << TargetName << "::Insts, "