jdk-24/test/hotspot/jtreg/compiler/codegen/TestMatcherClone.java
Daniel Lundén 7d4c3fd091 8331295: C2: Do not clone address computations that are indirect memory input to at least one load/store
Co-authored-by: Roberto Castañeda Lozano <rcastanedalo@openjdk.org>
Reviewed-by: thartmann, chagedorn
2024-11-20 15:37:43 +00:00

233 lines
7.7 KiB
Java

/*
* 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 8331295
* @requires os.simpleArch == "aarch64"
* @summary Check that the matcher does not needlessly clone an addressing
* expression that will in any case not be subsumed into complex
* loads and stores.
* @library /test/lib /
* @run driver compiler.codegen.TestMatcherClone
*/
package compiler.codegen;
import compiler.lib.ir_framework.*;
public class TestMatcherClone {
static volatile int[] iArr;
static volatile int x;
static int[] iArr2 = new int[100];
static int[] iArr3 = new int[100];
public static void main(String[] args) {
TestFramework.run();
}
@Test(compLevel = CompLevel.C2)
@IR(counts = {IRNode.ADD_P_OF, "reg_imm", "<200"},
phase = CompilePhase.MATCHING)
public void test() {
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
iArr = new int[] {x % 2};
for (int i = 0; i < 50; i++) {
iArr2[i] = iArr3[i];
}
}
}