// RUN: mlir-opt %s -test-tensor-copy-insertion="must-infer-memory-space" -split-input-file -verify-diagnostics
// An alloc is inserted but the copy is emitted. Therefore, the memory space
// should be specified on the alloc_tensor op.
func.func @memory_space_of_unknown_op() -> (tensor<10xf32>, tensor<10xf32>) {
%c0 = arith.constant 0 : index
%cst = arith.constant 0.0 : f32
// expected-error @+1 {{could not infer memory space}}
%t = bufferization.alloc_tensor() : tensor<10xf32>
%s = tensor.insert %cst into %t[%c0] : tensor<10xf32>
return %s, %t : tensor<10xf32>, tensor<10xf32>
}