d02f10d96d
Add lowering of the vector.warp_execute_on_lane_0 into scf.if plus memory transfer for the operands and yield values. This also add an integration test running on GPU warp. The same tests can be later re-used with different comment lines to tests distribution transformations. This is mostly from @springerm contribution. Differential Revision: https://reviews.llvm.org/D125430