[mlir][spirv] Fix some issues related to converting ub.poison to SPIR-V#125905

andfau-amd merged 1 commit intollvm:mainllvm/llvm-project:mainfrom

andfau-amd:vector-to-ub-to-spirvandfau-amd/llvm-project:vector-to-ub-to-spirvCopy head branch name to clipboard