test/hotspot/jtreg/compiler/loopstripmining/UnexpectedPinnedNodeInOuterLoop.java
author roland
Thu, 24 May 2018 09:59:57 +0200
changeset 50248 c0475f9c1c45
permissions -rw-r--r--
8202950: C2: assert(found_sfpt) failed: no node in loop that's not input to safepoint Reviewed-by: neliasso, kvn
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/*
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 * Copyright (c) 2018, Red Hat, Inc. 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 8202950
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 * @summary C2: assert(found_sfpt) failed: no node in loop that's not input to safepoint
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 *
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 * @run main/othervm -Xcomp -Xbatch -XX:CompileOnly=UnexpectedPinnedNodeInOuterLoop -XX:-TieredCompilation UnexpectedPinnedNodeInOuterLoop
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 *
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 */
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public class UnexpectedPinnedNodeInOuterLoop {
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    public static final int N = 400;
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    public static volatile float fFld=0.488F;
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    public static volatile int iFld=143;
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    public static void lMeth(int i2) {
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        int i20=95, i21=-163, i22=-11, iArr[]=new int[N], iArr2[]=new int[N];
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        byte by1=-97;
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        for (i20 = 15; 253 > i20; ++i20) {
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            iFld += i21;
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            for (i22 = 1; 7 > i22; i22++) {
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                iArr[i20 + 1] >>= i20;
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            }
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            fFld = i2;
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            iArr2[i20] -= (int)2.302F;
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        }
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    }
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    public static void main(String[] strArr) {
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        lMeth(0);
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    }
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}