| // Copyright (c) 2019, the R8 project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| package com.android.tools.r8.ir.optimize.membervaluepropagation; |
| |
| import com.android.tools.r8.NeverInline; |
| import com.android.tools.r8.R8TestCompileResult; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| @RunWith(Parameterized.class) |
| public class B143686595 extends TestBase { |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public B143686595(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| R8TestCompileResult libraryResult = |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(I.class) |
| .addKeepClassAndMembersRules(I.class) |
| .setMinApi(parameters.getApiLevel()) |
| .compile(); |
| |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(TestClass.class) |
| .addClasspathClasses(I.class) |
| .addKeepMainRule(TestClass.class) |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .addRunClasspathFiles(libraryResult.writeToZip()) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutputLines("0.4"); |
| } |
| |
| interface I { |
| float foo(float v); |
| } |
| |
| static class TestClass { |
| static final String UNNECESSARY_PUT; |
| |
| static { |
| // Will trigger AppInfoWithLiveness#withoutStaticFieldsWrites that should have copied caches |
| // of relations between synthesized classes and their super types. |
| UNNECESSARY_PUT = "DEAD"; |
| } |
| |
| static final I DOUBLER = t -> t * 2.0f; |
| |
| @NeverInline |
| static I wrap(I previous, float base) { |
| // Interface desugaring |
| return t -> previous.foo(t / base); |
| } |
| |
| public static void main(String... args) { |
| I i = wrap(DOUBLER, 10f); |
| // Without such consistent cache, this will fail with an assertion error that lower/upper |
| // bound types of receiver are mismatching. |
| System.out.println(i.foo(2f)); |
| } |
| } |
| } |