[Mlir-commits] [mlir] [mlir][xegpu] Add XeGPU subgroup map propagation analysis for XeGPU SIMT distribution. (PR #130240)

[Igor Zamyatin]

Garra1980 wrote:

> This PR adds the SG map propagation step of the XeGPU SIMT distribution. SG map propagation is a sparse backward dataflow analysis that propagate the sg_map backward starting from the operands of certain operations (DPAS, store etc.).

can you maybe elaborate a bit how distribution phase will further use this analysis results?

https://github.com/llvm/llvm-project/pull/130240