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56 lines
2 KiB
Java
56 lines
2 KiB
Java
/*
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* Copyright (c) 2021, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8268366
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* @run main/othervm -Xbatch -XX:+TieredCompilation -XX:TieredStopAtLevel=1
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* compiler.c1.TestLinearScanHasFPURegisters
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*/
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package compiler.c1;
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public class TestLinearScanHasFPURegisters {
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void test(String[] args) {
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String arr[] = new String[4];
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float f = -1;
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try {
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arr[0] = "-1"; // exception edge 1 with value -1
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if (args.length > 1) {
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f = 42;
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arr[1] = "42"; // exception edge 2 with value 42
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}
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} catch (Exception e) {
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// exception handler block with incoming phi for "f"
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for (int i = 0; i < 1; ++i) {
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f = f; // generates bytecodes, but no JIT IR
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}
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}
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}
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public static void main(String[] args) {
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TestLinearScanHasFPURegisters t = new TestLinearScanHasFPURegisters();
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for (int i = 0; i < 1000; ++i) {
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t.test(args);
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}
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}
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}
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