[Mlir-commits] [mlir] [mlir] GPUToROCDL: repack usupported types when lowering `subgroup_broadcast` (PR #174206)

[Jakub Kuderski]

kuhar wrote:

> it will have to rely on LLVM dialect anyway, because `arith.bitcast` cannot bitcast between vector and non-vector types.

That shouldn't be a problem -- we can go between scalars and vectors without bitcasting (just a little bit more verbose). I'd expect llvm/spirv to clean it up anyway.

https://github.com/llvm/llvm-project/pull/174206