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8321107: Add more test cases for JDK-8319372

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Reviewed-by: roland, kvn
This commit is contained in:
Christian Hagedorn 2023-12-01 07:44:09 +00:00
parent 2476be4590
commit ecd335d8f4
1 changed files with 134 additions and 0 deletions
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134
test/hotspot/jtreg/compiler/c2/TestTopCastIIOnUndetectedDeadPath4.java Normal file
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/*
* Copyright (c) 2023, 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.
*/
/*
* @test id=JDK-8293941
* @bug 8319372 8293941
* @summary Tests that CastII are not dying anymore and breaking the graph due to control that is not removed
* @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -XX:-RangeCheckElimination
* -Xcomp -XX:CompileOnly=compiler.c2.TestTopCastIIOnUndetectedDeadPath4::*
* compiler.c2.TestTopCastIIOnUndetectedDeadPath4
*/
/*
* @test id=JDK-8314111
* @bug 8319372 8314111
* @summary Tests that CastII are not dying anymore and breaking the graph due to control that is not removed
* @run main/othervm -Xcomp -XX:CompileOnly=compiler.c2.TestTopCastIIOnUndetectedDeadPath4::test*
* compiler.c2.TestTopCastIIOnUndetectedDeadPath4
*/
/*
* @test id=NoFlags
* @summary Tests that CastII are not dying anymore and breaking the graph due to control that is not removed
* @run main/othervm compiler.c2.TestTopCastIIOnUndetectedDeadPath4
*/
package compiler.c2;
public class TestTopCastIIOnUndetectedDeadPath4 {
static boolean bFld;
static int iArrFld[];
static long lArrFld[];
static double dArrFld[][];
public static void main(String[] strArr) {
for (int i = 0; i < 5000; i++) {
test8293941();
test8314111_1();
test8314111_2();
}
}
static void test8293941() {
int i16;
boolean b = false;
for (double d1 = 31.2; d1 < 72; d1++) {
for (i16 = (int) d1; i16 < 2; ++i16) {
iArrFld[i16] >>= 5;
dArrFld[i16 - 1][i16] = 3;
if (b) {
break;
}
lArrFld[i16] = 4;
}
switch (0) {
case 5:
b = b;
}
}
}
static void test8314111_1() {
int i, i1 = 0, i28, i30 = 0, iArr[] = new int[10];
boolean bArr[] = new boolean[10];
i = 1;
while (++i < 5) {
try {
i1 = iArr[i - 1];
i1 = 2 / i;
} catch (ArithmeticException a_e) {
}
if (bFld) {
switch (i) {
case 4:
for (i28 = 3; 100 > i28; i28++) {
i1 -= i28;
}
if ((i30 -= 3) > 0) {
switch (i30) {
case 4:
bArr[i - 1] = bFld;
iArr[i] = 6;
}
}
}
}
}
}
static void test8314111_2() {
int iArr[] = new int[1000];
boolean bArr[] = new boolean[1000];
int x = 0;
int i = 1;
while (++i < 5) {
try {
x = iArr[i - 1];
x = 2 / i;
} catch (ArithmeticException a_e) {
}
if (bFld) {
x++;
bArr[i - 1] = false;
iArr[i] = 0;
}
}
}
}
class Foo {
public static void empty() {
}
}