1// RUN: mlir-opt -verify-diagnostics -convert-bufferization-to-memref -split-input-file %s | FileCheck %s
2
3// CHECK-LABEL: @conversion_static
4func @conversion_static(%arg0 : memref<2xf32>) -> memref<2xf32> {
5    %0 = bufferization.clone %arg0 : memref<2xf32> to memref<2xf32>
6    memref.dealloc %arg0 : memref<2xf32>
7    return %0 : memref<2xf32>
8}
9
10// CHECK:      %[[ALLOC:.*]] = memref.alloc
11// CHECK-NEXT: memref.copy %[[ARG:.*]], %[[ALLOC]]
12// CHECK-NEXT: memref.dealloc %[[ARG]]
13// CHECK-NEXT: return %[[ALLOC]]
14
15// -----
16
17// CHECK-LABEL: @conversion_dynamic
18func @conversion_dynamic(%arg0 : memref<?xf32>) -> memref<?xf32> {
19    %1 = bufferization.clone %arg0 : memref<?xf32> to memref<?xf32>
20    memref.dealloc %arg0 : memref<?xf32>
21    return %1 : memref<?xf32>
22}
23
24// CHECK:      %[[CONST:.*]] = arith.constant
25// CHECK-NEXT: %[[DIM:.*]] = memref.dim %[[ARG:.*]], %[[CONST]]
26// CHECK-NEXT: %[[ALLOC:.*]] = memref.alloc(%[[DIM]])
27// CHECK-NEXT: memref.copy %[[ARG]], %[[ALLOC]]
28// CHECK-NEXT: memref.dealloc %[[ARG]]
29// CHECK-NEXT: return %[[ALLOC]]
30
31// -----
32
33func @conversion_unknown(%arg0 : memref<*xf32>) -> memref<*xf32> {
34// expected-error@+1 {{failed to legalize operation 'bufferization.clone' that was explicitly marked illegal}}
35    %1 = bufferization.clone %arg0 : memref<*xf32> to memref<*xf32>
36    memref.dealloc %arg0 : memref<*xf32>
37    return %1 : memref<*xf32>
38}
39