Test cases

Author: adam-smnk

mlir/test/Dialect/XeGPU/invalid.mlir

@@ -238,4 +238,81 @@ func.func @test_atomic_rmw(%src: ui64, %value : vector<16x4xf32>, %mask : vector
   // expected-error@+1 {{failed to verify that all of {tensorDesc, value, result} have same shape}}
   xegpu.atomic_rmw addf %1, %mask, %value: !xegpu.tensor_desc<16x8xf32, #xegpu.scatter_tdesc_attr<chunk_size = 8>>, vector<16xi1>, vector<16x4xf32> -> vector<16x8xf32>
   return
-}
+}
+
+// -----
+func.func @tensor_desc_invalid_rank(%src: memref<24x32xf32>) {
+  %0 = xegpu.create_nd_tdesc %src[0, 0] : memref<24x32xf32> ->
+      // expected-error@+1 {{desc shape rank exceeds 2}}
+      !xegpu.tensor_desc<16x2x2xf32>
+  return
+}
+
+// -----
+func.func @tensor_desc_1D_invalid_map_layout(%src: memref<24x32xf32>) {
+  %0 = xegpu.create_nd_tdesc %src[0, 0] : memref<24x32xf32> ->
+      // expected-error@+1 {{outer layout and data mapping must be 1 for 1D tensor}}
+      !xegpu.tensor_desc<16xf32, #xegpu.sg_map<wi_layout = [2, 16], wi_data = [1, 1]>>
+  return
+}
+
+// -----
+func.func @tensor_desc_1D_invalid_map_data(%src: memref<24x32xf32>) {
+  %0 = xegpu.create_nd_tdesc %src[0, 0] : memref<24x32xf32> ->
+      // expected-error@+1 {{outer layout and data mapping must be 1 for 1D tensor}}
+      !xegpu.tensor_desc<16xf32, #xegpu.sg_map<wi_layout = [1, 16], wi_data = [2, 1]>>
+  return
+}
+
+// -----
+func.func @tensor_desc_invalid_map_layout(%src: memref<24x32xf32>) {
+  %0 = xegpu.create_nd_tdesc %src[0, 0] : memref<24x32xf32> ->
+      // expected-error@+1 {{cannot map 8 elements into 16 by 1 tiles}}
+      !xegpu.tensor_desc<4x8xf32, #xegpu.sg_map<wi_layout = [1, 16], wi_data = [1, 1]>>
+  return
+}
+
+// -----
+func.func @tensor_desc_invalid_map_layout_1(%src: memref<24x32xf32>) {
+  %0 = xegpu.create_nd_tdesc %src[0, 0] : memref<24x32xf32> ->
+      // expected-error@+1 {{cannot map 4 elements into 8 by 1 tiles}}
+      !xegpu.tensor_desc<4x8xf32, #xegpu.sg_map<wi_layout = [8, 2], wi_data = [1, 1]>>
+  return
+}
+
+// -----
+func.func @tensor_desc_invalid_map_data(%src: memref<24x32xf32>) {
+  %0 = xegpu.create_nd_tdesc %src[0, 0] : memref<24x32xf32> ->
+      // expected-error@+1 {{cannot map 4 elements into 2 by 4 tiles}}
+      !xegpu.tensor_desc<4x8xf32, #xegpu.sg_map<wi_layout = [2, 8], wi_data = [4, 1]>>
+  return
+}
+
+// -----
+func.func @tensor_desc_invalid_map_data_1(%src: memref<24x32xf32>) {
+  %0 = xegpu.create_nd_tdesc %src[0, 0] : memref<24x32xf32> ->
+      // expected-error@+1 {{cannot map 4 elements into 8 by 1 tiles}}
+      !xegpu.tensor_desc<4x8xf32, #xegpu.sg_map<wi_layout = [8, 2], wi_data = [1, 2]>>
+  return
+}
+
+// -----
+func.func @tensor_desc_scatter_invalid_map_data(%src: ui64) {
+  %0 = arith.constant dense<[0, 8, 16, 24]> : vector<4xindex>
+  %1 = xegpu.create_tdesc %src, %0 : ui64, vector<4xindex> ->
+      // expected-error@+1 {{cannot map over non-contiguous scattered elements}}
+      !xegpu.tensor_desc<4x2xf32,
+        #xegpu.scatter_tdesc_attr<chunk_size = 2>,
+        #xegpu.sg_map<wi_layout = [1, 1], wi_data = [2, 1]>>
+  return
+}
+
+// -----
+func.func @tensor_desc_scatter_invalid_map_data_1(%src: ui64, %offsets: vector<16xindex>) {
+  %1 = xegpu.create_tdesc %src, %offsets : ui64, vector<16xindex> ->
+      // expected-error@+1 {{too few contiguous elements for work item mapping}}
+      !xegpu.tensor_desc<16xf32,
+        #xegpu.scatter_tdesc_attr<chunk_size = 1>,
+        #xegpu.sg_map<wi_layout = [1, 8], wi_data = [1, 2]>>
+  return
+}