3 Commits

Author	SHA1	Message	Date
Jakub Kuderski	1b82245370	[mlir][spirv] Add smul_extended expansion for WebGPU ... We need this because WGSL does not support extended multiplication ops. Fixes: https://github.com/llvm/llvm-project/issues/59563 Reviewed By: antiagainst Differential Revision: https://reviews.llvm.org/D141096	2023-01-05 20:11:47 -05:00
Jakub Kuderski	47232bea9e	[mlir][spirv] Fix extended umul expansion for WebGPU ... Fix an off-by-one error in extended umul extension for WebGPU. Revert to the long multiplication algorithm originally added to wide integer emulation, which was deleted in D139776. It is much easier to see why it is correct. Add runtime tests based on the mlir-vulkan-runner. These run both with and without umul extension. Issue: https://github.com/llvm/llvm-project/issues/59563 Reviewed By: antiagainst Differential Revision: https://reviews.llvm.org/D141085	2023-01-05 18:41:26 -05:00
Jakub Kuderski	c957fe0f60	[mlir][spirv] Add pattern to expand UMulExtended for WebGPU ... This is needed because WGSL does not yet support extended multiplication ops. Set up pattern/pass stuff and handle the first op: `UMulExtended`. `SMulExtended` handling will go to a separate patch. Issue: https://github.com/llvm/llvm-project/issues/59563 Reviewed By: antiagainst Differential Revision: https://reviews.llvm.org/D140995	2023-01-04 13:29:47 -05:00