jiuker <******@****.***> 1684487613 +0800

func.func @while_main(%arg0: tensor<?x256x256xf32>) -> (tensor<i32>, tensor<256x256xf32>, tensor<?x256x256xf32>) attributes {tf.entry_function = {inputs = "input", outputs = "Identity,Identity_1,Identity_2"}} {
  %cst = arith.constant dense<1.000000e+00> : tensor<256x256xf32>
  %cst_0 = arith.constant dense<0> : tensor<i32>
  %cst_1 = arith.constant dense<-1> : tensor<i32>

// By removing identity ops, constant operands with dynamic shapes have static
// shape information which is necessary for correct pattern matching in this
// pass.
struct RemoveIdentity : public OpRewritePattern<TF::IdentityOp> {
  using OpRewritePattern<TF::IdentityOp>::OpRewritePattern;

  LogicalResult matchAndRewrite(TF::IdentityOp identity,

    // H2D transfer kernels. So fold the tf.Identity op if:
    // * the identity op is placed on TPU, and
    // * the arg to the identity op is produced by a TPUExecuteOp.
    if (op_device && op_device.getValue().contains("TPU")) {
      return true;
    }

    Operation *def_op = arg.getDefiningOp();
    // If the arg to this identity op is the arg of a function, there's no
    // defining op.

                IdentityContext identityContext = createIdentityContextInternal(work, context);
                Identity identity = identityContext.getIdentity();
                operationContext.setResult(new Operation.Result() {
                    @Override
                    public Identity getIdentity() {
                        return identity;
                    }
                });
                return identityContext;
            },

	"net/netip"
	"reflect"
	"testing"
)

func getSANExtension(identites []Identity, t *testing.T) *pkix.Extension {
	ext, err := BuildSANExtension(identites)
	if err != nil {
		t.Errorf("A unexpected error has been encountered (error: %v)", err)
	}
	return ext
}

func TestBuildSubjectAltNameExtension(t *testing.T) {
	uriIdentity := Identity{Type: TypeURI, Value: []byte("spiffe://test.domain.com/ns/default/sa/default")}

    if (!all_of(variable_v2_op.getResult().getUsers(), [&variable_v2_op](
                                                           Operation *user) {
          if (!isa<IdentityOp>(user)) {
            variable_v2_op.emitOpError()
                << "expects all users to be 'tf.Identity', but got user "
                << user->getName();
            return false;
          }
          return true;
        })) {

	// type.
	identityTypeMap = generateReversedMap(oidTagMap)

	// The OID for the SAN extension (See
	// http://www.alvestrand.no/objectid/2.5.29.17.html).
	oidSubjectAlternativeName = asn1.ObjectIdentifier{2, 5, 29, 17}
)

// Identity is an object holding both the encoded identifier bytes as well as
// the type of the identity.
type Identity struct {
	Type  IdentityType
	Value []byte

    if (user->getDialect()->getNamespace() != "tf") {
      return failure();
    }
    // Identity ops of returning values might be helpful for some other
    // compilers, so avoid removing these Identity ops.
    if (user->hasTrait<OpTrait::IsTerminator>()) {
      return failure();
    }
  }

  rewriter.replaceOp(identity, identity.getInput());
  return success();
}

}  // namespace quant

  // CHECK-NOT: tf.Identity
  %5 = "tf.Identity"(%4) {T = f32, _output_shapes = ["tfshape$dim { size: 3 } dim { size: 3 }"], device = "/device:CPU:0"} : (tensor<3x3xf32>) -> tensor<3x3xf32>
  // CHECK-NOT: tf.IdentityN