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< MCAsmBackend *createX86_32AsmBackend(const Target &T, StringRef TT);
< MCAsmBackend *createX86_64AsmBackend(const Target &T, StringRef TT);
---
> MCAsmBackend *createX86_32AsmBackend(const Target &T, StringRef TT, StringRef CPU);
> MCAsmBackend *createX86_64AsmBackend(const Target &T, StringRef TT, StringRef CPU);
< MCAsmBackend *createX86_32AsmBackend(const Target &T, StringRef TT);
< MCAsmBackend *createX86_64AsmBackend(const Target &T, StringRef TT);
---
> MCAsmBackend *createX86_32AsmBackend(const Target &T, StringRef TT, StringRef CPU);
> MCAsmBackend *createX86_64AsmBackend(const Target &T, StringRef TT, StringRef CPU);