/*
 * Copyright (C) 2011 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

// This test depends on the exact format of the DEX file. Since dx is deprecated,
// the classes.dex file is packaged as a test input. It was created with:
//
// $ javac -g -Xlint:-options -source 1.7 -target 1.7 -d classes src/Main.java
// $ dx --debug --dex --output=classes.dex classes

public class Main {
    public Main() {
    }

    int $noinline$f() throws Exception {
        $noinline$g(1);
        $noinline$g(2);
        return 0;
    }

    void $noinline$g(int num_calls) {
        if (num_calls == 1) {
            System.out.println("1st call");
        } else if (num_calls == 2) {
            System.out.println("2nd call");
        }
        System.out.println(shlemiel());
    }

    String shlemiel() {
        String s0 = new String("0");
        String s1 = new String("1");
        String s2 = new String("2");
        String s3 = new String("3");
        String s4 = new String("4");
        String s5 = new String("5");
        String s6 = new String("6");
        String s7 = new String("7");
        String s8 = new String("8");
        String s9 = new String("9");
        String s10 = new String("10");
        String s11 = new String("11");
        String s12 = new String("12");
        String s13 = new String("13");
        String s14 = new String("14");
        String s15 = new String("15");
        String s16 = new String("16");
        String s17 = new String("17");
        String s18 = new String("18");
        String s19 = new String("19");
        String s20 = new String("20");
        String s = new String();
        s += s0;
        s += s1;
        s += s2;
        s += s3;
        s += s4;
        s += s5;
        s += s6;
        s += s7;
        s += s8;
        s += s9;
        s += s10;
        s += s11;
        s += s12;
        s += s13;
        s += s14;
        s += s15;
        s += s16;
        s += s17;
        s += s18;
        s += s19;
        s += s20;

        s += s6;
        s += s5;
        s += s2;
        s += s3;

        s10 = s + s10;
        s10 += s20;

        s20 += s10;
        s = s17 + s20;

        s4 = s18 = s19;
        s += s4;
        s += s18;
        // Add a branch to workaround ART's large methods without branches heuristic.
        if (testStackWalk(0) != 0) {
            return s;
        }
        return s18;
    }

    native int testStackWalk(int x);

    public static void main(String[] args) throws Exception {
        System.loadLibrary(args[0]);
        Main st = new Main();
        st.$noinline$f();
    }
}