frep-loop:Cannot select: intrinsic %llvm.riscv.frep.infer

[zhayongquan]

When I compiled pulp-platform/llvm-project and pulp-platform/pulp-riscv-gnu-toolchain. I want to compile the .s file to view the assembly representation of the hardware cycle. The error message shows: fatal error: error in backend: Cannot select: intrinsic %llvm.riscv.frep.infer