llvm-project

72db3f98 - [RISCV] Allow tail memcmp expansion (#121460)

[RISCV] Allow tail memcmp expansion (#121460) This optimization was introduced by #70469. Like AArch64, we allow tail expansions for 3 on RV32 and 3/5/6 on RV64. This can simplify the comparison and reduce the number of blocks.