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44 changes: 44 additions & 0 deletions
44
test/hotspot/jtreg/compiler/controldependency/TestAntiDependencyForPinnedLoads.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| /* | ||
| * Copyright (c) 2024, 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 | ||
| * @bug 8337066 | ||
| * @summary Test that MergeMem is skipped when looking for stores | ||
| * @run main/othervm -Xbatch -XX:-TieredCompilation | ||
| * -XX:CompileCommand=compileonly,java.lang.StringUTF16::reverse | ||
| * compiler.controldependency.TestAntiDependencyForPinnedLoads | ||
| */ | ||
|
|
||
| package compiler.controldependency; | ||
|
|
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| public class TestAntiDependencyForPinnedLoads { | ||
| public static void main(String[] args) { | ||
| for(int i = 0; i < 50_000; i++) { | ||
| String str = "YYYY年MM月DD日"; | ||
| StringBuffer strBuffer = new StringBuffer(str); | ||
| String revStr = strBuffer.reverse().toString(); | ||
| if (!revStr.equals("日DD月MM年YYYY")) throw new InternalError("FAIL"); | ||
| } | ||
| } | ||
| } |
101 changes: 101 additions & 0 deletions
101
test/hotspot/jtreg/compiler/types/TestBadMemSliceWithInterfaces.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,101 @@ | ||
| /* | ||
| * Copyright (c) 2024, Red Hat, Inc. 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 | ||
| * @bug 8340214 | ||
| * @summary C2 compilation asserts with "no node with a side effect" in PhaseIdealLoop::try_sink_out_of_loop | ||
| * | ||
| * @run main/othervm -XX:-BackgroundCompilation TestBadMemSliceWithInterfaces | ||
| * | ||
| */ | ||
|
|
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| public class TestBadMemSliceWithInterfaces { | ||
| public static void main(String[] args) { | ||
| B b = new B(); | ||
| C c = new C(); | ||
| for (int i = 0; i < 20_000; i++) { | ||
| test1(b, c, true); | ||
| test1(b, c, false); | ||
| b.field = 0; | ||
| c.field = 0; | ||
| int res = test2(b, c, true); | ||
| if (res != 42) { | ||
| throw new RuntimeException("incorrect result " + res); | ||
| } | ||
| res = test2(b, c, false); | ||
| if (res != 42) { | ||
| throw new RuntimeException("incorrect result " + res); | ||
| } | ||
| } | ||
| } | ||
|
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| private static void test1(B b, C c, boolean flag) { | ||
| A a; | ||
| if (flag) { | ||
| a = b; | ||
| } else { | ||
| a = c; | ||
| } | ||
| for (int i = 0; i < 1000; i++) { | ||
| a.field = 42; | ||
| } | ||
| } | ||
|
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| private static int test2(B b, C c, boolean flag) { | ||
| A a; | ||
| if (flag) { | ||
| a = b; | ||
| } else { | ||
| a = c; | ||
| } | ||
| int v = 0; | ||
| for (int i = 0; i < 2; i++) { | ||
| v += a.field; | ||
| a.field = 42; | ||
| } | ||
| return v; | ||
| } | ||
|
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| interface I { | ||
| void m(); | ||
| } | ||
|
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| static class A { | ||
| int field; | ||
| } | ||
|
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| static class B extends A implements I { | ||
| @Override | ||
| public void m() { | ||
|
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| } | ||
| } | ||
|
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| static class C extends A implements I { | ||
| @Override | ||
| public void m() { | ||
|
|
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| } | ||
| } | ||
| } |
50 changes: 50 additions & 0 deletions
50
test/hotspot/jtreg/runtime/reflect/ComponentTypeFieldTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| /* | ||
| * Copyright (c) 2024, 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 | ||
| * @bug 8337622 | ||
| * @summary (reflect) java.lang.Class componentType field not found. | ||
| * @library /test/lib | ||
| * @modules java.base/java.lang:open | ||
| * @run main ComponentTypeFieldTest | ||
| */ | ||
|
|
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| import java.lang.reflect.Field; | ||
| import static jdk.test.lib.Asserts.*; | ||
|
|
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| public class ComponentTypeFieldTest { | ||
|
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| public static void main(String[] args) throws Exception { | ||
| Field f = Class.class.getDeclaredField("componentType"); | ||
| f.setAccessible(true); | ||
| Object val = f.get(Runnable.class); | ||
| assertTrue(val == null); | ||
| System.out.println("val is " + val); | ||
|
|
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| Object arrayVal = f.get(Integer[].class); | ||
| System.out.println("val is " + arrayVal); | ||
| String arrayValString = arrayVal.toString(); | ||
| assertTrue(arrayValString.equals("class java.lang.Integer")); | ||
| } | ||
| } |
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