| // Copyright (c) 2018, 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.analysis.type; |
| |
| import static com.android.tools.r8.ir.analysis.type.TypeLatticeElement.DOUBLE; |
| import static com.android.tools.r8.ir.analysis.type.TypeLatticeElement.FLOAT; |
| import static com.android.tools.r8.ir.analysis.type.TypeLatticeElement.INT; |
| import static com.android.tools.r8.ir.analysis.type.TypeLatticeElement.LONG; |
| import static org.junit.Assert.assertEquals; |
| |
| import com.android.tools.r8.ir.analysis.AnalysisTestBase; |
| import com.android.tools.r8.ir.code.ConstNumber; |
| import com.android.tools.r8.ir.code.IRCode; |
| import com.android.tools.r8.ir.code.Instruction; |
| import com.google.common.collect.Streams; |
| import java.util.function.Consumer; |
| import org.junit.Test; |
| |
| public class ConstrainedPrimitiveTypeTest extends AnalysisTestBase { |
| |
| public ConstrainedPrimitiveTypeTest() throws Exception { |
| super(TestClass.class); |
| } |
| |
| @Test |
| public void testIntWithInvokeUser() throws Exception { |
| buildAndCheckIR("intWithInvokeUserTest", testInspector(INT, 1)); |
| } |
| |
| @Test |
| public void testIntWithIndirectInvokeUser() throws Exception { |
| buildAndCheckIR("intWithIndirectInvokeUserTest", testInspector(INT, 2)); |
| } |
| |
| @Test |
| public void testFloatWithInvokeUser() throws Exception { |
| buildAndCheckIR("floatWithInvokeUserTest", testInspector(FLOAT, 1)); |
| } |
| |
| @Test |
| public void testFloatWithIndirectInvokeUser() throws Exception { |
| buildAndCheckIR("floatWithIndirectInvokeUserTest", testInspector(FLOAT, 2)); |
| } |
| |
| @Test |
| public void testLongWithInvokeUser() throws Exception { |
| buildAndCheckIR("longWithInvokeUserTest", testInspector(LONG, 1)); |
| } |
| |
| @Test |
| public void testLongWithIndirectInvokeUser() throws Exception { |
| buildAndCheckIR("longWithIndirectInvokeUserTest", testInspector(LONG, 2)); |
| } |
| |
| @Test |
| public void testDoubleWithInvokeUser() throws Exception { |
| buildAndCheckIR("doubleWithInvokeUserTest", testInspector(DOUBLE, 1)); |
| } |
| |
| @Test |
| public void testDoubleWithIndirectInvokeUser() throws Exception { |
| buildAndCheckIR("doubleWithIndirectInvokeUserTest", testInspector(DOUBLE, 2)); |
| } |
| |
| private static Consumer<IRCode> testInspector( |
| TypeLatticeElement expectedType, int expectedNumberOfConstNumberInstructions) { |
| return code -> { |
| Iterable<Instruction> instructions = code::instructionIterator; |
| for (Instruction instruction : instructions) { |
| if (instruction.isConstNumber()) { |
| ConstNumber constNumberInstruction = instruction.asConstNumber(); |
| assertEquals(expectedType, constNumberInstruction.outValue().getTypeLattice()); |
| } |
| } |
| |
| assertEquals( |
| expectedNumberOfConstNumberInstructions, |
| Streams.stream(code.instructionIterator()).filter(Instruction::isConstNumber).count()); |
| }; |
| } |
| |
| static class TestClass { |
| |
| public static void intWithInvokeUserTest() { |
| int x = 1; |
| Integer.toString(x); |
| } |
| |
| public static void intWithIndirectInvokeUserTest(boolean unknown) { |
| int x; |
| if (unknown) { |
| x = 1; |
| } else { |
| x = 2; |
| } |
| Integer.toString(x); |
| } |
| |
| public static void floatWithInvokeUserTest() { |
| float x = 1f; |
| Float.toString(x); |
| } |
| |
| public static void floatWithIndirectInvokeUserTest(boolean unknown) { |
| float x; |
| if (unknown) { |
| x = 1f; |
| } else { |
| x = 2f; |
| } |
| Float.toString(x); |
| } |
| |
| public static void longWithInvokeUserTest() { |
| long x = 1L; |
| Long.toString(x); |
| } |
| |
| public static void longWithIndirectInvokeUserTest(boolean unknown) { |
| long x; |
| if (unknown) { |
| x = 1L; |
| } else { |
| x = 2L; |
| } |
| Long.toString(x); |
| } |
| |
| public static void doubleWithInvokeUserTest() { |
| double x = 1.0; |
| Double.toString(x); |
| } |
| |
| public static void doubleWithIndirectInvokeUserTest(boolean unknown) { |
| double x; |
| if (unknown) { |
| x = 1f; |
| } else { |
| x = 2f; |
| } |
| Double.toString(x); |
| } |
| } |
| } |