[llvm] [RISCV] DAGCombine canonicalizes the true operand of vselect to have one use (PR #206449)

[via llvm-commits]

github-actions[bot] wrote:

test-suite diff from bb6551e28107616882fcf8dd57bd657727abe890...7ecf30efb5c413625e8a51e3da1f5645b4f0d2f3: https://github.com/llvm/llvm-project/actions/runs/28365581062/artifacts/7951511797

https://github.com/llvm/llvm-project/pull/206449