[Mlir-commits] [mlir] [mlir][linalg] Refactor `EraseIdentityGenericOp` to be reused by other `LinalgOp`s (PR #80466)

[llvmlistbot at llvm.org]

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@@ -1017,3 +1017,15 @@ func.func @canonicalize_fill_to_copy_dest(%arg0 : tensor<?x?xf32>, %arg1 : tenso
   %copy = linalg.copy ins(%arg1 : tensor<?x?xf32>) outs(%fill : tensor<?x?xf32>) -> tensor<?x?xf32>
   return %copy : tensor<?x?xf32>
 }
+
+// -----
+
+// CHECK-LABEL: func @broadcast_same_shape(
+//  CHECK-SAME:     %[[ARG0:[a-zA-Z0-9]+]]: tensor<2x3xf32>
+//  CHECK-SAME:     %[[ARG1:[a-zA-Z0-9]+]]: tensor<2x3xf32>)
+//       CHECK-NOT:   linalg.broadcast
+//       CHECK:       return %[[ARG0]] : tensor<2x3xf32>
+func.func @broadcast_same_shape(%input: tensor<2x3xf32>, %init: tensor<2x3xf32>) -> tensor<2x3xf32> {
+  %0 = linalg.broadcast ins(%input: tensor<2x3xf32>) outs(%init: tensor<2x3xf32>) dimensions = []
+  return %0 : tensor<2x3xf32>
+}
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MaheshRavishankar wrote:

Nit: Add new line to end of file.

https://github.com/llvm/llvm-project/pull/80466