if types.SimType[src.Kind()] == types.SimType[dst.Kind()] {
			return ir.OCONVNOP, ""
		}
		return ir.OCONV, ""
	}

	// 5. src and dst are both complex types.
	if src.IsComplex() && dst.IsComplex() {
		if types.SimType[src.Kind()] == types.SimType[dst.Kind()] {
			return ir.OCONVNOP, ""
		}
		return ir.OCONV, ""
	}

	// Special case for constant conversions: any numeric

package p
//
func f1a(int)
func f2a(byte, int, float)
func f3a(a, b int, c float)
func f4a(...complex)
func f5a(a s1a, b ...complex)
//
func f1b(*int)
func f2b([]byte, (int), *float)
func f3b(a, b *int, c []float)
func f4b(...*complex)
func f5b(a s1a, b ...[]complex)
//
type s1a struct { int }
type s2a struct { byte; int; s1a }
type s3a struct { a, b int; c float }
//

	}
	return res
}

// Value decodes and returns a constant.Value from the element
// bitstream.
func (r *Decoder) Value() constant.Value {
	r.Sync(SyncValue)
	isComplex := r.Bool()
	val := r.scalar()
	if isComplex {
		val = constant.BinaryOp(val, token.ADD, constant.MakeImag(r.scalar()))
	}
	return val
}

func (r *Decoder) scalar() constant.Value {

func isInteger(t Type) bool        { return isBasic(t, IsInteger) }
func isUnsigned(t Type) bool       { return isBasic(t, IsUnsigned) }
func isFloat(t Type) bool          { return isBasic(t, IsFloat) }
func isComplex(t Type) bool        { return isBasic(t, IsComplex) }
func isNumeric(t Type) bool        { return isBasic(t, IsNumeric) }
func isString(t Type) bool         { return isBasic(t, IsString) }

        """

        expect:
        succeeds "customTask"

        where:
        annotation << [InputFile, InputDirectory, InputFiles]
    }

    def "TaskInputs.#method shows error message when used with complex input"() {
        buildFile << """
            task dependencyTask {
            }

            task test {
                inputs.$method(dependencyTask).withPropertyName('input')
                doFirst {

	// When instrumenting, any expression might require function calls.
	if base.Flag.Cfg.Instrumenting {
		return true
	}

	isSoftFloat := func(typ *types.Type) bool {
		return types.IsFloat[typ.Kind()] || types.IsComplex[typ.Kind()]
	}

	return ir.Any(n, func(n ir.Node) bool {
		// walk should have already moved any Init blocks off of
		// expressions.
		if len(n.Init()) != 0 {
			base.FatalfAt(n.Pos(), "mayCall %+v", n)

  }

  // CHECK-LABEL: mirror_pad
  func.func @mirror_pad(%arg0: tensor<2x3xcomplex<f64>>) -> tensor<4x7xcomplex<f64>> {
    %0 = mhlo.constant dense<[[1, 1], [2, 2]]> : tensor<2x2xi32>
    // CHECK-NOT: tf.MirrorPad
    %1 = "tf.MirrorPad"(%arg0, %0) {mode = "SYMMETRIC"} : (tensor<2x3xcomplex<f64>>, tensor<2x2xi32>) -> tensor<4x7xcomplex<f64>>
    func.return %1 : tensor<4x7xcomplex<f64>>
  }

keyword:/\b(?:break|case|chan|const|continue|default|defer|else|fallthrough|for|func|go(?:to)?|if|import|interface|map|package|range|return|select|struct|switch|type|var)\b/,builtin:/\b(?:bool|byte|complex(?:64|128)|error|float(?:32|64)|rune|string|u?int(?:8|16|32|64)?|uintptr|append|cap|close|complex|copy|delete|imag|len|make|new|panic|print(?:ln)?|real|recover)\b/,boolean:/\b(?:_|iota|nil|true|false)\b/,operator:/[*\/%^!=]=?|\+[=+]?|-[=-]?|\|[=|]?|&(?:=|&|\^=?)?|>(?:>=?|=)?|<(?:<=?|=|-)?|:=|\....

    MATCH(DT_BFLOAT16, half);
    MATCH(DT_STRING, string);

    // TODO(b/188995810): DenseElementsAttr::get doesn't support complex
    // Attributes being passed, so we bail out for now. This should just be
    //   MATCH(DT_COMPLEX64, scomplex) / 2;
    //   MATCH(DT_COMPLEX128, dcomplex) / 2;
    // when DenseElementsAttr is updated.
    case DT_COMPLEX64:
    case DT_COMPLEX128:
    default:
      return -1;
  }

// walkDivMod walks an ODIV or OMOD node.
func walkDivMod(n *ir.BinaryExpr, init *ir.Nodes) ir.Node {
	n.X = walkExpr(n.X, init)
	n.Y = walkExpr(n.Y, init)

	// rewrite complex div into function call.
	et := n.X.Type().Kind()

	if types.IsComplex[et] && n.Op() == ir.ODIV {
		t := n.Type()