/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import java.lang.reflect.Method;
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public class Main {
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static int[] a = { 10 };
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// A very particular set of operations that caused a double removal by the
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// ARM64 simplifier doing "forward" removals (b/27851582).
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/// CHECK-START-ARM: int Main.operations() instruction_simplifier_arm (after)
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/// CHECK-DAG: <<Get:i\d+>> ArrayGet
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/// CHECK-DAG: <<Not:i\d+>> Not [<<Get>>]
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/// CHECK-DAG: DataProcWithShifterOp [<<Not>>,<<Get>>] kind:And+LSL shift:2
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/// CHECK-START-ARM64: int Main.operations() instruction_simplifier_arm64 (after)
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/// CHECK-DAG: <<Get:i\d+>> ArrayGet
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/// CHECK-DAG: <<Not:i\d+>> Not [<<Get>>]
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/// CHECK-DAG: DataProcWithShifterOp [<<Not>>,<<Get>>] kind:And+LSL shift:2
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private static int operations() {
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int r = a[0];
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int n = ~r;
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int s = r << 2;
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int a = s & n;
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return a;
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}
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public static void main(String[] args) {
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if (operations() != 32) {
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System.out.println("failed");
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} else {
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System.out.println("passed");
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}
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if ($noinline$runSmaliTest("operations") != 32) {
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System.out.println("failed");
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} else {
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System.out.println("passed");
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}
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}
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public static int $noinline$runSmaliTest(String name) {
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try {
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Class<?> c = Class.forName("SmaliTests");
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Method m = c.getMethod(name);
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return (Integer) m.invoke(null);
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} catch (Exception ex) {
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throw new Error(ex);
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}
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}
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}
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