[Mlir-commits] [mlir] [mlir][gpu] Add 'cluster_stride' attribute to gpu.subgroup_reduce (PR #107142)

[Jakub Kuderski]

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@@ -579,7 +579,7 @@ class GPUSubgroupReduceConversion final
   LogicalResult
   matchAndRewrite(gpu::SubgroupReduceOp op, OpAdaptor adaptor,
                   ConversionPatternRewriter &rewriter) const override {
-    if (op.getClusterSize())
+    if (op.getClusterSize() || op.getClusterStride() != 1)
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kuhar wrote:

Also here

https://github.com/llvm/llvm-project/pull/107142