blob: ff586965b56e7aecc9a26a8d0eb119e127a8b145 [file] [log] [blame]
// 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.debuginfo;
import com.android.tools.r8.OutputMode;
import com.android.tools.r8.R8TestCompileResult;
import com.android.tools.r8.TestBase;
import com.android.tools.r8.dex.Constants;
import com.android.tools.r8.dex.DexParser;
import com.android.tools.r8.dex.DexSection;
import java.io.IOException;
import java.nio.file.Path;
import java.nio.file.Paths;
import org.junit.Assert;
import org.junit.Test;
public class CannonicalizeWithInline extends TestBase {
private int getNumberOfDebugInfos(Path file) throws IOException {
DexSection[] dexSections = DexParser.parseMapFrom(file);
for (DexSection dexSection : dexSections) {
if (dexSection.type == Constants.TYPE_DEBUG_INFO_ITEM) {
return dexSection.length;
}
}
return 0;
}
@Test
public void testCannonicalize() throws Exception {
Class clazzA = ClassA.class;
Class clazzB = ClassB.class;
R8TestCompileResult result = testForR8(Backend.DEX)
.addProgramClasses(clazzA, clazzB)
.addKeepRules(
"-keepattributes SourceFile,LineNumberTable",
"-keep class ** {\n" +
"public void call(int);\n" +
"}"
)
// String concatenation optimization will remove dead builders in foobar.
.addOptionsModification(o -> o.enableStringConcatenationOptimization = false)
.compile();
Path classesPath = temp.getRoot().toPath();
result.app.write(classesPath, OutputMode.DexIndexed);
int numberOfDebugInfos = getNumberOfDebugInfos(
Paths.get(temp.getRoot().getCanonicalPath(), "classes.dex"));
Assert.assertEquals(1, numberOfDebugInfos);
}
// Two classes which has debug info that looks exactly the same, except for SetInlineFrame.
// R8 will inline the call to foobar in both classes, causing us to store a SetInlineFrame in the
// debug info.
// Ensure that we still canonicalize when writing.
public static class ClassA {
public void call(int a) {
foobar(a);
}
private String foobar(int a) {
String s = "aFoobar" + a;
return s;
}
}
public static class ClassB {
public void call(int a) {
foobar(a);
}
private String foobar(int a) {
String s = "bFoobar" + a;
return s;
}
}
}