partially fixes #70103 ### Changes * Added int_spv_group_memory_barrier_with_group_sync intrinsic in IntrinsicsSPIRV.td * Added lowering for int_spv_group_memory_barrier_with_group_sync in SPIRVInstructionSelector.cpp * Added SPIRV backend test case ### Related PRs * [[clang][HLSL] Add GroupMemoryBarrierWithGroupSync intrinsic #111883](https://github.com/llvm/llvm-project/pull/111883) * [[DXIL] Add GroupMemoryBarrierWithGroupSync intrinsic #111884](https://github.com/llvm/llvm-project/pull/111884)