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

[Jakub Kuderski]

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@@ -102,7 +102,7 @@ struct GPUSubgroupReduceOpLowering
 
   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:

Do we need this? If cluster size is present, it's not supported anyway

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