[mlir][OpenMP] Rename TaskloopOp/omp.taskloop to TaskloopWrapperOp/omp.taskloop.wrapper
Rename the loop wrapper operation to better distinguish it from the
context op (omp.taskloop.context), which handles outlining and runtime calls.
The new name makes the role of each operation clearer at a glance.
RFC: https://discourse.llvm.org/t/rfc-openmp-alloca-placement-for-openmp-loop-wrappers/89512/7
Patch 3/3
Assisted-by: Copilot, Claude Sonnet 4.6