[Mlir-commits] [mlir] [MLIR][RISCV] Add VCIX dialect (PR #74664)

[Kolya Panchenko]

nikolaypanchenko wrote:

I split the original changeset into 3 pieces as @Dinistro recommended: [1](https://github.com/llvm/llvm-project/pull/74780), [2](https://github.com/llvm/llvm-project/pull/74781) and 3 is this PR itself

https://github.com/llvm/llvm-project/pull/74664