123 lines
5.1 KiB
Java
123 lines
5.1 KiB
Java
/*
|
|
* Copyright (c) 2016, 2022, 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 6700100 8156760 8248226 8285301
|
|
* @summary small instance clone as loads/stores
|
|
* @library /
|
|
*
|
|
* @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement
|
|
* -XX:CompileCommand=dontinline,compiler.arraycopy.TestInstanceCloneAsLoadsStores::m*
|
|
* compiler.arraycopy.TestInstanceCloneAsLoadsStores
|
|
* @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement
|
|
* -XX:CompileCommand=dontinline,compiler.arraycopy.TestInstanceCloneAsLoadsStores::m*
|
|
* -XX:+IgnoreUnrecognizedVMOptions -XX:+StressArrayCopyMacroNode
|
|
* compiler.arraycopy.TestInstanceCloneAsLoadsStores
|
|
* @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement
|
|
* -XX:CompileCommand=dontinline,compiler.arraycopy.TestInstanceCloneAsLoadsStores::m*
|
|
* -XX:+IgnoreUnrecognizedVMOptions -XX:-ReduceInitialCardMarks
|
|
* compiler.arraycopy.TestInstanceCloneAsLoadsStores
|
|
* @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement
|
|
* -XX:CompileCommand=dontinline,compiler.arraycopy.TestInstanceCloneAsLoadsStores::m*
|
|
* -XX:+IgnoreUnrecognizedVMOptions -XX:-ReduceInitialCardMarks -XX:-ReduceBulkZeroing
|
|
* compiler.arraycopy.TestInstanceCloneAsLoadsStores
|
|
* @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement
|
|
* -XX:CompileCommand=dontinline,compiler.arraycopy.TestInstanceCloneAsLoadsStores::m*
|
|
* -XX:+UnlockExperimentalVMOptions -XX:+AlwaysAtomicAccesses
|
|
* compiler.arraycopy.TestInstanceCloneAsLoadsStores
|
|
*/
|
|
|
|
package compiler.arraycopy;
|
|
|
|
public class TestInstanceCloneAsLoadsStores extends TestInstanceCloneUtils {
|
|
|
|
// Should be compiled as loads/stores
|
|
static Object m1(D src) throws CloneNotSupportedException {
|
|
return src.clone();
|
|
}
|
|
|
|
// Should be compiled as adds of src (dest allocation eliminated)
|
|
static int m2(D src) throws CloneNotSupportedException {
|
|
D dest = (D)src.clone();
|
|
return dest.i1 + dest.i2 + ((int)dest.i3) + dest.i4 + dest.i5;
|
|
}
|
|
|
|
// Should be compiled as arraycopy stub call (object too large)
|
|
static int m3(E src) throws CloneNotSupportedException {
|
|
E dest = (E)src.clone();
|
|
return dest.i1 + dest.i2 + dest.i3 + dest.i4 + dest.i5 +
|
|
dest.i6 + dest.i7 + dest.i8 + dest.i9;
|
|
}
|
|
|
|
// Need profiling on src's type to be able to know number of
|
|
// fields. Cannot clone as loads/stores if compile doesn't use it.
|
|
static Object m4(A src) throws CloneNotSupportedException {
|
|
return src.clone();
|
|
}
|
|
|
|
// Same as above but should optimize out dest allocation
|
|
static int m5(A src) throws CloneNotSupportedException {
|
|
A dest = (A)src.clone();
|
|
return dest.i1 + dest.i2 + dest.i3 + dest.i4 + dest.i5;
|
|
}
|
|
|
|
// Check that if we have no fields to clone we do fine
|
|
static Object m6(F src) throws CloneNotSupportedException {
|
|
return src.clone();
|
|
}
|
|
|
|
// With virtual call to clone: clone inlined from profling which
|
|
// gives us exact type of src so we can clone it with
|
|
// loads/stores.
|
|
static G m7(G src) throws CloneNotSupportedException {
|
|
return (G)src.myclone();
|
|
}
|
|
|
|
// Virtual call to clone but single target: exact type unknown,
|
|
// clone intrinsic uses profiling to determine exact type and
|
|
// clone with loads/stores.
|
|
static J m8(J src) throws CloneNotSupportedException {
|
|
return (J)src.myclone();
|
|
}
|
|
|
|
public static void main(String[] args) throws Exception {
|
|
|
|
TestInstanceCloneAsLoadsStores test = new TestInstanceCloneAsLoadsStores();
|
|
|
|
test.doTest(d, "m1");
|
|
test.doTest(d, "m2");
|
|
test.doTest(e, "m3");
|
|
test.doTest(a, "m4");
|
|
test.doTest(a, "m5");
|
|
test.doTest(f, "m6");
|
|
test.doTest(g, "m7");
|
|
test.doTest(k, "m8");
|
|
|
|
if (!test.success) {
|
|
throw new RuntimeException("some tests failed");
|
|
}
|
|
|
|
}
|
|
}
|