test/hotspot/jtreg/compiler/loopopts/TestInlinedSplitFallInIrreducibleLoopStatus.jasm

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
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 *
 * 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).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
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super public class TestInlinedSplitFallInIrreducibleLoopStatus
{
    public Method "<init>":"()V"
    stack 2 locals 1
    {
        aload_0;
        invokespecial  Method java/lang/Object."<init>":"()V";
        return;
    }

    static Method test_inner:"(III)V"
    stack 20 locals 10
    {
        iload_0;
        ifeq LEND; // skip everything at runtime

        // Some knarly construct to have two fall-in edges for LOOP
        iconst_1;
        ifeq ENTRY1; // eventually collapses
        goto ENTRY2;
    ENTRY1:
        iconst_0;
        ifeq LOOP;
    ENTRY2:
        iload      1;
        ifge LOOP;
        goto ENTRY1;

    LOOP:
        // split_fall_in happens at this Region
        iconst_0;
        iflt LOOP;
        iload      2;
        ifeq LEND;
        goto LOOP;

    LEND:
        return;
    }
}