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/*
* Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package vm.compiler.optimizations.partialpeel;
import nsk.share.GoldChecker;
import vm.compiler.share.CompilerTest;
import vm.compiler.share.CompilerTestLauncher;
import vm.compiler.share.Random;
import java.util.Arrays;
import java.util.List;
public class WhileWhile {
public static void main(String[] args) {
GoldChecker goldChecker = new GoldChecker("WhileWhile");
for (CompilerTest test : whilewhileTests) {
goldChecker.println(test + " = " + CompilerTestLauncher.launch(test));
}
goldChecker.check();
}
private final static int N = 1000;
static int x0 = 232;
static int x1 = 562;
static int x2 = 526;
static int x3 = 774;
public static final List<CompilerTest<Integer>> whilewhileTests = Arrays.asList(
//invariant condition
new CompilerTest<Integer>("whilewhile1") {
@Override
public Integer execute(Random random) {
int k = x0 + random.nextInt(1000);
int i = k + x2;
int s = x1;
int j = x2;
while (i < N + x3) {
i++;
while (j < N) {
j++;
s++;
if (x2 > x1) {
k += j;
}
}
}
return s + k;
}
},
//inner while with condition on outer while counter
new CompilerTest<Integer>("whilewhile2") {
@Override
public Integer execute(Random random) {
int k = x0 + random.nextInt(1000);
int i = k + x2;
int s = x1;
int j = x2;
while (i < N + x3) {
i++;
while (j < N + i) {
j++;
s++;
if (x2 > x1) {
k += j;
}
}
}
return s + k;
}
},
//inner while in if branch
new CompilerTest<Integer>("whilewhile3") {
@Override
public Integer execute(Random random) {
int k = x0 + random.nextInt(1000);
int i = k + x2;
int s = x1;
int j = x2;
while (i < N + x3) {
i++;
if (i > x2) {
while (j < N + i) {
j++;
s += k;
if (x2 > x1) {
k += j;
}
}
}
}
return s + k;
}
},
//two inner while
new CompilerTest<Integer>("whilewhile4") {
@Override
public Integer execute(Random random) {
int k = x0 + random.nextInt(1000);
int i = k + x2;
int s = x1;
int j = x2;
while (i < N + x3) {
i++;
s++;
if (i > x2) {
while (j < N + i) {
j++;
s++;
if (x2 > x1) {
k += j;
}
}
}
j = x2;
while (j < x2 + x3) {
j++;
if (x2 > x1) {
j += x0;
s++;
k += j;
}
}
}
return s + k;
}
}
);
}
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