return preferDA
	}
	if !SourceDA.IsValid() {
		return preferDB
	}

	// Rule 2: Prefer matching scope.
	// If Scope(DA) = Scope(Source(DA)) and Scope(DB) <> Scope(Source(DB)),
	// then prefer DA.  Similarly, if Scope(DA) <> Scope(Source(DA)) and
	// Scope(DB) = Scope(Source(DB)), then prefer DB.
	if attrDA.Scope == attrSourceDA.Scope && attrDB.Scope != attrSourceDB.Scope {
		return preferDA
	}

// RUN: tf-opt "-xla-legalize-tf=device-type=XLA_CPU_JIT legalize-chlo=false use-tf2xla-fallback=true prefer-tf2xla=true" %s | FileCheck %s
// RUN: tf-opt "-xla-legalize-tf=device-type=XLA_CPU_JIT legalize-chlo=false prefer-tf2xla=true" %s | FileCheck --check-prefix NOFALLBACK %s

module attributes {tf.versions = {bad_consumers = [], min_consumer = 0 : i32, producer = 268 : i32}} {

// CHECK-LABEL: @abs
func.func @abs(%arg0: tensor<2xf32>) -> tensor<2xf32> {

        },
        {
            "name": "release",
            "attributes": {
                "buildType": "release"
            },
            "files": [ { "name": "a-1.2-release.jar", "url": "a-1.2-release.jar" } ],
            "dependencies": [ { "group": "test", "module": "c", "version": { "prefers": "2.2" } } ]
        }
    ]
}
"""

        version.rejectedVersions == ['1.0.1', '1.0.2']
    }

    def "calling 'prefers' resets the list of rejects"() {
        given:
        def version = new DefaultMutableVersionConstraint('1.0')
        version.reject('1.0.1')

        when:
        version.prefer('1.1')

        then:
        version.requiredVersion == '1.0'
        version.preferredVersion == '1.1'

        run ':checkDeps'

        then:
        resolve.expectGraph {
            root(":", ":test:") {
                module('org:main:1.0')
            }
        }
    }

    def "prefers Gradle metadata if published and marker is present"() {
        given:
        createIvyFile(true)

        buildFile << """
            dependencies {
                api "org:main:1.0"
            }
        """

        variant.dependencies[0].prefers == null
        variant.dependencies[0].strictly == '1.0'
        variant.dependencies[0].rejectsVersion == []

        variant.dependencies[1].group == 'org'
        variant.dependencies[1].module == 'bar'
        variant.dependencies[1].version == null
        variant.dependencies[1].prefers == '1.0'
        variant.dependencies[1].strictly == null

    }

    @Issue("gradle/gradle#4186")
    def "should choose highest when multiple prefer versions disagree"() {
        repository {
            'org:bar:1' {
                dependsOn(group: 'org', artifact: 'foo', prefers: '1.1')
            }
            'org:baz:1' {
                dependsOn(group: 'org', artifact: 'foo', prefers: '1.0')
            }
            'org:foo' {
                '1.0'()

        run ':checkDeps'

        then:
        resolve.expectGraph {
            root(":", ":test:") {
                module('org:main:1.0')
            }
        }
    }

    def "prefers Gradle metadata if published and marker is present"() {
        given:
        createPomFile(true)

        buildFile << """
            dependencies {
                api "org:main:1.0"
            }
        """

        schema.accept(usage, "requested", "best")
        schema.prefer(usage, "best")
        def other = Attribute.of('other', String)
        schema.attribute(other)
        schema.accept(other, "requested", "compatible")
        schema.accept(other, "requested", "best")
        schema.prefer(other, "best")

        def candidate1 = attributes(usage: "best", other: "compatible")

        variant.dependencies[0].prefers == null
        variant.dependencies[0].strictly == '1.0'
        variant.dependencies[0].rejectsVersion == []

        variant.dependencies[1].group == 'org'
        variant.dependencies[1].module == 'bar'
        variant.dependencies[1].version == null
        variant.dependencies[1].prefers == '2.0'
        variant.dependencies[1].strictly == null