llvm-project

d10079e3 - [RISCV] Reduce the VL of both operands in VMERGE_VVM (#144759)

[RISCV] Reduce the VL of both operands in VMERGE_VVM (#144759) The `tryToReduceVL` function in RISCVVectorPeephole currently only reduces the VL of the instruction that defines the true operand in VMERGE_VVM. We should be able to reduce VL of both operands. This patch generalizes this function to support multiple operands from a single instruction.