"github.com/spf13/cobra/doc"
	"github.com/spf13/pflag"
	"sigs.k8s.io/yaml"

	"istio.io/istio/pkg/collateral/metrics"
	"istio.io/istio/pkg/env"
)

// Control determines the behavior of the EmitCollateral function
type Control struct {
	// OutputDir specifies the directory to output the collateral files
	OutputDir string

	// EmitManPages controls whether to produce man pages.
	EmitManPages bool

// RUN: tf-opt %s -pass-pipeline='builtin.module(tf-functional-control-flow-to-regions{allow-passthrough-args})' -split-input-file -verify-diagnostics | FileCheck %s

// Simple If
// CHECK: func private @testIf1Then{{.+}}
// CHECK: func private @testIf1Else{{.+}}
func.func private @testIf1Then(tensor<*xf32>) -> tensor<*xf32>
func.func private @testIf1Else(tensor<*xf32>) -> tensor<*xf32>

// CHECK-LABEL: func @testIf1Result(%arg0: tensor<i1>, %arg1: tensor<*xf32>)

// RUN: tf-opt %s -tf-functional-control-flow-to-cfg -split-input-file | FileCheck %s

func.func private @testIf1Then(tensor<*xf32>, tensor<*xf32>) -> tensor<*xf32>
func.func private @testIf1Else(tensor<*xf32>, tensor<*xf32>) -> tensor<*xf32>

// CHECK-LABEL: func @testIf1Result(%arg0: tensor<i1>, %arg1: tensor<*xf32>, %arg2: tensor<*xf32>)
func.func @testIf1Result(tensor<i1>, tensor<*xf32>, tensor<*xf32>) -> tensor<*xf32> {

// RUN: tf-opt %s -tf-region-control-flow-to-functional -split-input-file | FileCheck %s

// Simple IfRegion
// CHECK: func private @test_else_name(%arg0: tensor<*xf32>) -> tensor<*xf32>
// CHECK-NEXT:   "tf.Neg"
// CHECK: func private @test_then_name(%arg0: tensor<*xf32>) -> tensor<*xf32>
// CHECK-NEXT:   "tf.Abs"
func.func @testSimple(%arg0: tensor<i1>, %arg1: tensor<*xf32>) -> tensor<*xf32> {
  // CHECK: "tf.If"
  // CHECK-NOT: attr1

	_ "github.com/envoyproxy/go-control-plane/envoy/config/core/v3"
	_ "github.com/envoyproxy/go-control-plane/envoy/config/endpoint/v3"
	_ "github.com/envoyproxy/go-control-plane/envoy/config/grpc_credential/v3"
	_ "github.com/envoyproxy/go-control-plane/envoy/config/listener/v3"
	_ "github.com/envoyproxy/go-control-plane/envoy/config/metrics/v3"
	_ "github.com/envoyproxy/go-control-plane/envoy/config/overload/v3"

func.func @invalid_yield(%arg0: tensor<*xf32>, %ctl: !tf_executor.control) {
  tf_executor.graph {
    "tf_executor.island"() ({
      "tf_executor.yield"(%arg0, %ctl) : (tensor<*xf32>, !tf_executor.control) -> ()
// expected-error@-1 {{'tf_executor.yield' op unexpected control type for operand #1}}
    }) : () -> (tensor<*xf32>, !tf_executor.control, !tf_executor.control)
  }
  func.return
}

  %result = tf_executor.graph {
// CHECK: tf_executor.Switch %{{[^%]*}}, %{{[^%]*}}, %{{[^%]*}}, %{{[^%]*}} : tensor<i1>
    %1:3 = tf_executor.Switch %arg0, %arg0, %arg1, %arg2 : (tensor<i1>, tensor<i1>, !tf_executor.control, !tf_executor.control) -> (tensor<i1>, tensor<i1>, !tf_executor.control)
    tf_executor.fetch %1#0 : tensor<i1>
  }

// TensorFlow Executor Type Constraint
//===----------------------------------------------------------------------===//

// Predicate to verify all control inputs appear after any non-control inputs.
def ControlOperandsAfterAllData :
    PredOpTrait<"all control inputs must appear after any non-control input",
                CPred<"succeeded(VerifyControlOperandsAfterAllData(&$_op))">>;

    tf_executor.fetch
  }
  func.return
}

// -----

// Tests nested replica and parallel execute groups.
func.func @nested_replica_and_parallel_execute_groups() {
  tf_executor.graph {
    // CHECK: %[[control:.*]] = tf_executor.island wraps "tf.A"()

                                            <la:text styleId="name" property="name" styleClass="form-control"/>
                                        </c:if>
                                        <c:if test="${crudMode==2}">
                                            ${f:h(name)}
                                            <la:hidden property="name" styleClass="form-control"/>
                                        </c:if>