jdk/test/hotspot/jtreg/compiler/oracle/TestPhasePrintLevel.java
2025-11-20 09:13:57 +00:00

111 lines
4.1 KiB
Java

/*
* Copyright (c) 2025, 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 compiler.oracle;
import java.util.ArrayList;
import java.util.List;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.process.ProcessTools;
import compiler.lib.ir_framework.CompilePhase;
/**
* @test
* @bug 8372097
* @summary Checks that -XX:CompileCommand=PhasePrintLevel,... interacts with
* -XX:PrintPhaseLevel as expected.
* @library /test/lib /
* @requires vm.debug & vm.compiler2.enabled & vm.flagless
* @run driver compiler.oracle.TestPhasePrintLevel
*/
public class TestPhasePrintLevel {
static final String level1Phase = CompilePhase.FINAL_CODE.getName();
static final String level2Phase = CompilePhase.GLOBAL_CODE_MOTION.getName();
public static void main(String[] args) throws Exception {
// Test flag level < 0: nothing should be printed regardless of the compile command level.
test(-1, -1, null, level1Phase);
test(-1, 0, null, level1Phase);
test(-1, 1, null, level1Phase);
// Test flag level = 0: the compile command level should determine what is printed.
test(0, -1, null, level1Phase);
test(0, 0, null, level1Phase);
test(0, 1, level1Phase, null);
test(0, 2, level2Phase, null);
// Test flag level > 0: the compile command level should take precedence.
test(1, -1, null, level1Phase);
test(1, 0, null, level1Phase);
test(1, 1, level1Phase, null);
test(2, 1, level1Phase, level2Phase);
test(1, 2, level2Phase, null);
}
static void test(int flagLevel, int compileCommandLevel, String expectedPhase, String unexpectedPhase) throws Exception {
List<String> options = new ArrayList<String>();
options.add("-Xbatch");
options.add("-XX:CompileOnly=" + getTestName());
options.add("-XX:PrintPhaseLevel=" + flagLevel);
options.add("-XX:CompileCommand=PhasePrintLevel," + getTestName() + "," + compileCommandLevel);
options.add(getTestClass());
OutputAnalyzer oa = ProcessTools.executeTestJava(options);
oa.shouldHaveExitValue(0)
.shouldContain("CompileCommand: PhasePrintLevel compiler/oracle/TestPhasePrintLevel$TestMain.test intx PhasePrintLevel = " + compileCommandLevel)
.shouldNotContain("CompileCommand: An error occurred during parsing")
.shouldNotContain("# A fatal error has been detected by the Java Runtime Environment");
if (expectedPhase != null) {
oa.shouldContain(expectedPhase);
}
if (unexpectedPhase != null) {
oa.shouldNotContain(unexpectedPhase);
}
}
static String getTestClass() {
return TestMain.class.getName();
}
static String getTestName() {
return getTestClass() + "::test";
}
static class TestMain {
public static void main(String[] args) {
for (int i = 0; i < 10_000; i++) {
test(i);
}
}
static void test(int i) {
if ((i % 1000) == 0) {
System.out.println("Hello World!");
}
}
}
}