Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
8235383: C1 compilation fails with -XX:+PrintIRDuringConstruction -XX…
…:+Verbose Added check for printable bci. Reviewed-by: thartmann
- Loading branch information
Xin Liu
committed
Dec 10, 2019
1 parent
2ee7b9d
commit f330874
Showing
2 changed files
with
54 additions
and
1 deletion.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
51 changes: 51 additions & 0 deletions
51
test/hotspot/jtreg/compiler/c1/TestPrintIRDuringConstruction.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,51 @@ | ||
/* | ||
* Copyright (c) 2019, 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 | ||
* @summary load/store elimination will print out instructions without bcis. | ||
* @bug 8235383 | ||
* @requires vm.debug == true | ||
* @run main/othervm -XX:+TieredCompilation -XX:TieredStopAtLevel=1 -Xcomp -XX:+PrintIRDuringConstruction -XX:+Verbose compiler.c1.TestPrintIRDuringConstruction | ||
*/ | ||
|
||
package compiler.c1; | ||
|
||
public class TestPrintIRDuringConstruction { | ||
static class Dummy { | ||
public int value; | ||
} | ||
|
||
static int foo() { | ||
Dummy obj = new Dummy(); // c1 doesn't have Escape Analysis | ||
|
||
obj.value = 0; // dummy store an initial value. | ||
return obj.value + obj.value; // redundant load | ||
} | ||
|
||
public static void main(String[] args) { | ||
for (int i=0; i<5_000; ++i) { | ||
foo(); | ||
} | ||
} | ||
} |