jdk-24/test/hotspot/jtreg/compiler/ccp/TestMissingMulLOptimization.java
2023-03-14 14:57:47 +00:00

69 lines
2.2 KiB
Java

/*
* Copyright (c) 2023, 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
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*/
/*
* @test
* @bug 8299546
* @summary Tests that MulL::Value() does not return bottom type and then an optimized type again in CCP.
* @run main/othervm -Xcomp -XX:CompileCommand=compileonly,compiler.ccp.TestMissingMulLOptimization::*
* -XX:CompileCommand=dontinline,compiler.ccp.TestMissingMulLOptimization::*
* compiler.ccp.TestMissingMulLOptimization
*/
package compiler.ccp;
public class TestMissingMulLOptimization {
static int N;
static long x;
public static void main(String[] strArr) {
try {
test();
} catch (RuntimeException e) {
// Expected
}
}
static int test() {
int i6 = 2, i10 = 3, i11, iArr[] = new int[N];
long l = 3151638515L;
double dArr[] = new double[N];
dontInline();
int i;
for (i = 7; i < 221; i++) {
i6 *= i6;
}
for (int j = 9; 83 > j; ) {
for (i11 = 1; i11 < 6; ++i11) {
l *= i;
l += 3;
}
}
x += i6;
return 34;
}
static int dontInline() {
throw new RuntimeException();
}
}