Reproduce outliner bug in presence of repeated in value
Bug: 192023718
Change-Id: I0121683ccd7fc1b9ba09269217a404a7d3d92547
diff --git a/src/test/java/com/android/tools/r8/ir/optimize/outliner/OutlineInstructionWithRepeatedOperandTest.java b/src/test/java/com/android/tools/r8/ir/optimize/outliner/OutlineInstructionWithRepeatedOperandTest.java
new file mode 100644
index 0000000..8f53348
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/ir/optimize/outliner/OutlineInstructionWithRepeatedOperandTest.java
@@ -0,0 +1,66 @@
+// Copyright (c) 2021, 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.outliner;
+
+import com.android.tools.r8.CompilationFailedException;
+import com.android.tools.r8.NeverInline;
+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.Parameter;
+import org.junit.runners.Parameterized.Parameters;
+
+/** Regression test for b/192023718. */
+@RunWith(Parameterized.class)
+public class OutlineInstructionWithRepeatedOperandTest extends TestBase {
+
+ @Parameter(0)
+ public TestParameters parameters;
+
+ @Parameters(name = "{0}")
+ public static TestParametersCollection parameters() {
+ return getTestParameters().withDexRuntimes().withAllApiLevels().build();
+ }
+
+ @Test(expected = CompilationFailedException.class)
+ public void test() throws Exception {
+ testForR8Compat(parameters.getBackend())
+ .addInnerClasses(getClass())
+ .addKeepMainRule(Main.class)
+ .addOptionsModification(
+ options -> {
+ options.outline.minSize = 2;
+ options.outline.threshold = 2;
+ })
+ .enableInliningAnnotations()
+ .setMinApi(21)
+ .compile()
+ .run(parameters.getRuntime(), Main.class)
+ .assertSuccessWithOutputLines("0", "0");
+ }
+
+ static class Main {
+ public static void main(String[] args) {
+ int zero = System.currentTimeMillis() > 0 ? 0 : -1;
+ System.out.println(m1(zero));
+ System.out.println(m2(zero));
+ }
+
+ @NeverInline
+ static int m1(int x) {
+ int y = x * 42;
+ return y * y * y;
+ }
+
+ @NeverInline
+ static int m2(int x) {
+ int y = x * 42;
+ return y * y * y;
+ }
+ }
+}
