// RUN: mlir-translate -split-input-file -mlir-to-cpp -verify-diagnostics %s

// expected-error@+1 {{'func.func' op with multiple blocks needs variables declared at top}}
func.func @multiple_blocks() {
^bb1:
    cf.br ^bb2
^bb2:
    return
}

// -----

func.func @unsupported_op(%arg0: i1) {
  // expected-error@+1 {{'cf.assert' op unable to find printer for op}}
  cf.assert %arg0, "assertion foo"
  return
}

// -----

// expected-error@+1 {{cannot emit integer type 'i80'}}
func.func @unsupported_integer_type(%arg0 : i80) {
  return
}

// -----

// expected-error@+1 {{cannot emit float type 'f80'}}
func.func @unsupported_float_type(%arg0 : f80) {
  return
}

// -----

// expected-error@+1 {{cannot emit type 'memref<100xf32>'}}
func.func @memref_type(%arg0 : memref<100xf32>) {
  return
}

// -----

// expected-error@+1 {{cannot emit type 'vector<100xf32>'}}
func.func @vector_type(%arg0 : vector<100xf32>) {
  return
}

// -----

// expected-error@+1 {{cannot emit tensor type with non static shape}}
func.func @non_static_shape(%arg0 : tensor<?xf32>) {
  return
}

// -----

// expected-error@+1 {{cannot emit unranked tensor type}}
func.func @unranked_tensor(%arg0 : tensor<*xf32>) {
  return
}

// -----

// expected-error@+1 {{cannot emit tensor of array type}}
func.func @tensor_of_array(%arg0 : tensor<4x!emitc.array<4xf32>>) {
  return
}

// -----

// expected-error@+1 {{cannot emit pointer to array type}}
func.func @pointer_to_array(%arg0 : !emitc.ptr<!emitc.array<4xf32>>) {
  return
}

// -----

// expected-error@+1 {{cannot emit lvalue type as argument type}}
func.func @lvalue_as_argument(%arg: !emitc.lvalue<i8>) {
   return
}

// -----

// expected-error@+1 {{cannot emit array type as result type}}
func.func @array_as_result(%arg: !emitc.array<4xi8>) -> (!emitc.array<4xi8>) {
   return %arg : !emitc.array<4xi8>
}

// -----

func.func @ptr_to_array() {
  // expected-error@+1 {{cannot emit pointer to array type '!emitc.ptr<!emitc.array<9xi16>>'}}
  %v = "emitc.variable"(){value = #emitc.opaque<"NULL">} : () -> !emitc.lvalue<!emitc.ptr<!emitc.array<9xi16>>>
  return
}