llvm-project

63f742c1 - [RISCV] Add sifive-p670 processor (#79015)

[RISCV] Add sifive-p670 processor (#79015) This is an OOO core that has a vector unit. For more information see https://www.sifive.com/cores/performance-p650-670. Scheduler model and other tuning will come in separate patches.