Ming-Yi Lai 9f33eb861a [clang][RISCV] Introduce command line options for RISC-V Zicfilp CFI ...

This patch enables the following command line flags for RISC-V targets:

+ `-fcf-protection=branch` turns on forward-edge control-flow integrity conditioning
+ `-mcf-branch-label-scheme=unlabeled|func-sig` selects the label scheme used in the forward-edge CFI conditioning

2024-09-26 18:30:43 +08:00

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