func.func @testInvalidWhileRegionConditionOutputType(%arg : tensor<i32>) -> (tensor<i32>) {
  // expected-error @+1 {{'tf.WhileRegion' op condition should have a single tensor<i1> result}}
  %0 = "tf.WhileRegion"(%arg) (
     {
       ^bb0(%carg: tensor<i32>):
        "tf.Yield"(%carg) : (tensor<i32>) -> ()
     },
     {
       ^bb0(%barg: tensor<i32>):
        "tf.Yield"(%barg) : (tensor<i32>) -> ()
     }

// Deprecated: Use [SyscallN] instead.
func Syscall(trap, nargs, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)

// Deprecated: Use [SyscallN] instead.
func Syscall6(trap, nargs, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)

// Deprecated: Use [SyscallN] instead.
func Syscall9(trap, nargs, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err Errno)

    tf_executor.fetch %4#0 : tensor<10xi32>
  }
  func.return %graph : tensor<10xi32>
}

// CHECK: name: "foo"
// CHECK-NEXT: op: "_Arg"
// CHECK: name: "bar"
// CHECK-NEXT: op: "_Arg"
// CHECK: name: "[[BAR_ID_0:.*]]"
// CHECK-NEXT: op: "Identity"
// CHECK-NEXT: input: "bar"
// CHECK: name: "[[BAR_ID_1:.*]]"
// CHECK-NEXT: op: "Identity"
// CHECK-NEXT: input: "[[BAR_ID_0]]"

// since runtime/pprof ignores the runtime.goexit base frame if it exists.
void pprofCgoTraceback(void* parg) {
	struct cgoTracebackArg* arg = (struct cgoTracebackArg*)(parg);
	arg->buf[0] = (uintptr_t)(cpuHog) + 0x10;
	arg->buf[1] = (uintptr_t)(cpuHog2) + 0x4;
	arg->buf[2] = 0;
}
*/
import "C"

import (
	"fmt"
	"os"
	"runtime"
	"runtime/pprof"
	"time"
	"unsafe"
)

      input_arg {
        name: "arg"
        type: DT_INT32
      }
      output_arg {
        name: "return_value"
        type: DT_INT32
      }
    }
    # Drop the control dependency on arg for the node "test"
    # CHECK-LABEL: func private @foo
    # CHECK: tf_executor.island wraps "tf.Const"()
    node_def {
      name: "test"
      op: "Const"
      input: "^arg"
      attr {
        key: "dtype"

// C thread are in cpuHog.
void pprofCgoThreadTraceback(void* parg) {
	struct cgoTracebackArg* arg = (struct cgoTracebackArg*)(parg);
	if (pthread_self() == tid) {
		arg->buf[0] = (uintptr_t)(cpuHogThread) + 0x10;
		arg->buf[1] = (uintptr_t)(cpuHogThread2) + 0x4;
		arg->buf[2] = 0;
	} else
		arg->buf[0] = 0;
}

static void* cpuHogDriver(void* arg __attribute__ ((unused))) {
	while (1) {
		cpuHogThread();
	}

  auto arg0 = ops::_Arg(scope.WithOpName("a_0_arg"), DT_INT32, 0);
  auto arg1 = ops::_Arg(scope.WithOpName("b_0_arg"), DT_FLOAT, 1);
  auto arg2 = ops::_Arg(scope.WithOpName("c_0_arg"), DT_INT32, 2);
  auto arg3 = ops::_Arg(scope.WithOpName("d_0_arg"), DT_FLOAT, 3);

  auto arg4 = ops::_Arg(scope.WithOpName("u_0_arg"), DT_RESOURCE, 4);
  auto arg5 = ops::_Arg(scope.WithOpName("v_0_arg"), DT_RESOURCE, 5);

  // TODO(b/74182462): We implement this by creating a new dummy Graph including
  // _Arg nodes, and let CompileGraph walk it. This could be optimized.
  std::unique_ptr<Graph> graph(new Graph(OpRegistry::Global()));

  // First create the actual node we care about computing.
  TF_ASSIGN_OR_RETURN(Node * main_node, graph->AddNode(node_def));

  // Create dummy _Arg nodes. Link these to `node` and also via a control

// package.

//go:nosplit
//go:linkname syscall_sysvicall6
//go:cgo_unsafe_args
func syscall_sysvicall6(fn, nargs, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, err uintptr) {
	call := libcall{
		fn:   fn,
		n:    nargs,
		args: uintptr(unsafe.Pointer(&a1)),
	}
	entersyscallblock()
	asmcgocall(unsafe.Pointer(&asmsysvicall6x), unsafe.Pointer(&call))
	exitsyscall()

		j := n
		for _, i := range genericArgs {
			arg := args[i]
			asig := arg.typ.(*Signature)
			k := j + asig.TypeParams().Len()
			// targs[j:k] are the inferred type arguments for asig
			arg.typ = check.instantiateSignature(call.Pos(), arg.expr, asig, targs[j:k], nil) // TODO(gri) provide xlist if possible (partial instantiations)