[Mlir-commits] [mlir] [MLIR][XEGPU] Add blocking support for scatter ops (PR #144766)

[Charitha Saumya]

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@@ -355,4 +350,100 @@ gpu.module @kernel  attributes {spirv.target_env = #spirv.target_env<#spirv.vce<
     xegpu.store_nd %2, %3: vector<8x32xf32>, !xegpu.tensor_desc<8x32xf32, #t>
     gpu.return
   }
-}
\ No newline at end of file
+}
+
+// -----
+gpu.module @test_kernel {
+  // CHECK-LABEL: test_prefetch_load_store_update
+  // CHECK-SAME: [[arg0:%.+]]: ui64
+  // CHECK-COUNT-2: xegpu.create_tdesc [[arg0]], {{.*}} : ui64, vector<16xindex> -> !xegpu.tensor_desc<16xf32, #xegpu.scatter_tdesc_attr<>>
+  // CHECK-COUNT-2: xegpu.prefetch {{.*}} : !xegpu.tensor_desc<16xf32, #xegpu.scatter_tdesc_attr<>>
+   // CHECK-COUNT-2: xegpu.update_offset {{.*}} : !xegpu.tensor_desc<16xf32, #xegpu.scatter_tdesc_attr<>>, vector<16xindex>
+   // CHECK-COUNT-2: xegpu.load  {{.*}} : !xegpu.tensor_desc<16xf32, #xegpu.scatter_tdesc_attr<>>, vector<16xi1> -> vector<16xf32>
+  // CHECK-COUNT-2: xegpu.store  {{.*}} : vector<16xf32>, !xegpu.tensor_desc<16xf32, #xegpu.scatter_tdesc_attr<>>, vector<16xi1>
+
+  gpu.func @test_prefetch_load_store_update(%src: ui64)  {
+
+    %cst = arith.constant dense<[
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charithaintc wrote:

what happens with constants? do the get blocked in this pass?

https://github.com/llvm/llvm-project/pull/144766