Mon, 25 May 2020 14:24:27 +0800
8244407: JVM crashes after transformation in C2 IdealLoopTree::split_fall_in
Reviewed-by: thartmann, kvn, andrew
Contributed-by: zhouyong44@huawei.com
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. |
aoqi@0 | 8 | * |
aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 13 | * accompanied this code). |
aoqi@0 | 14 | * |
aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 18 | * |
aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 21 | * questions. |
aoqi@0 | 22 | * |
aoqi@0 | 23 | */ |
aoqi@0 | 24 | |
aoqi@0 | 25 | #ifndef SHARE_VM_OPTO_PHASETYPE_HPP |
aoqi@0 | 26 | #define SHARE_VM_OPTO_PHASETYPE_HPP |
aoqi@0 | 27 | |
aoqi@0 | 28 | enum CompilerPhaseType { |
aoqi@0 | 29 | PHASE_BEFORE_STRINGOPTS, |
aoqi@0 | 30 | PHASE_AFTER_STRINGOPTS, |
aoqi@0 | 31 | PHASE_BEFORE_REMOVEUSELESS, |
aoqi@0 | 32 | PHASE_AFTER_PARSING, |
aoqi@0 | 33 | PHASE_ITER_GVN1, |
aoqi@0 | 34 | PHASE_PHASEIDEAL_BEFORE_EA, |
aoqi@0 | 35 | PHASE_ITER_GVN_AFTER_EA, |
aoqi@0 | 36 | PHASE_ITER_GVN_AFTER_ELIMINATION, |
aoqi@0 | 37 | PHASE_PHASEIDEALLOOP1, |
aoqi@0 | 38 | PHASE_PHASEIDEALLOOP2, |
aoqi@0 | 39 | PHASE_PHASEIDEALLOOP3, |
aoqi@0 | 40 | PHASE_CPP1, |
aoqi@0 | 41 | PHASE_ITER_GVN2, |
aoqi@0 | 42 | PHASE_PHASEIDEALLOOP_ITERATIONS, |
aoqi@0 | 43 | PHASE_OPTIMIZE_FINISHED, |
aoqi@0 | 44 | PHASE_GLOBAL_CODE_MOTION, |
aoqi@0 | 45 | PHASE_FINAL_CODE, |
aoqi@0 | 46 | PHASE_AFTER_EA, |
aoqi@0 | 47 | PHASE_BEFORE_CLOOPS, |
aoqi@0 | 48 | PHASE_AFTER_CLOOPS, |
aoqi@0 | 49 | PHASE_BEFORE_BEAUTIFY_LOOPS, |
aoqi@0 | 50 | PHASE_AFTER_BEAUTIFY_LOOPS, |
aoqi@0 | 51 | PHASE_BEFORE_MATCHING, |
aoqi@0 | 52 | PHASE_INCREMENTAL_INLINE, |
aoqi@0 | 53 | PHASE_INCREMENTAL_BOXING_INLINE, |
aoqi@0 | 54 | PHASE_END, |
aoqi@0 | 55 | PHASE_FAILURE, |
aoqi@0 | 56 | |
aoqi@0 | 57 | PHASE_NUM_TYPES |
aoqi@0 | 58 | }; |
aoqi@0 | 59 | |
aoqi@0 | 60 | class CompilerPhaseTypeHelper { |
aoqi@0 | 61 | public: |
aoqi@0 | 62 | static const char* to_string(CompilerPhaseType cpt) { |
aoqi@0 | 63 | switch (cpt) { |
aoqi@0 | 64 | case PHASE_BEFORE_STRINGOPTS: return "Before StringOpts"; |
aoqi@0 | 65 | case PHASE_AFTER_STRINGOPTS: return "After StringOpts"; |
aoqi@0 | 66 | case PHASE_BEFORE_REMOVEUSELESS: return "Before RemoveUseless"; |
aoqi@0 | 67 | case PHASE_AFTER_PARSING: return "After Parsing"; |
aoqi@0 | 68 | case PHASE_ITER_GVN1: return "Iter GVN 1"; |
aoqi@0 | 69 | case PHASE_PHASEIDEAL_BEFORE_EA: return "PhaseIdealLoop before EA"; |
aoqi@0 | 70 | case PHASE_ITER_GVN_AFTER_EA: return "Iter GVN after EA"; |
aoqi@0 | 71 | case PHASE_ITER_GVN_AFTER_ELIMINATION: return "Iter GVN after eliminating allocations and locks"; |
aoqi@0 | 72 | case PHASE_PHASEIDEALLOOP1: return "PhaseIdealLoop 1"; |
aoqi@0 | 73 | case PHASE_PHASEIDEALLOOP2: return "PhaseIdealLoop 2"; |
aoqi@0 | 74 | case PHASE_PHASEIDEALLOOP3: return "PhaseIdealLoop 3"; |
aoqi@0 | 75 | case PHASE_CPP1: return "PhaseCPP 1"; |
aoqi@0 | 76 | case PHASE_ITER_GVN2: return "Iter GVN 2"; |
aoqi@0 | 77 | case PHASE_PHASEIDEALLOOP_ITERATIONS: return "PhaseIdealLoop iterations"; |
aoqi@0 | 78 | case PHASE_OPTIMIZE_FINISHED: return "Optimize finished"; |
aoqi@0 | 79 | case PHASE_GLOBAL_CODE_MOTION: return "Global code motion"; |
aoqi@0 | 80 | case PHASE_FINAL_CODE: return "Final Code"; |
aoqi@0 | 81 | case PHASE_AFTER_EA: return "After Escape Analysis"; |
aoqi@0 | 82 | case PHASE_BEFORE_CLOOPS: return "Before CountedLoop"; |
aoqi@0 | 83 | case PHASE_AFTER_CLOOPS: return "After CountedLoop"; |
aoqi@0 | 84 | case PHASE_BEFORE_BEAUTIFY_LOOPS: return "Before beautify loops"; |
aoqi@0 | 85 | case PHASE_AFTER_BEAUTIFY_LOOPS: return "After beautify loops"; |
aoqi@0 | 86 | case PHASE_BEFORE_MATCHING: return "Before Matching"; |
aoqi@0 | 87 | case PHASE_INCREMENTAL_INLINE: return "Incremental Inline"; |
aoqi@0 | 88 | case PHASE_INCREMENTAL_BOXING_INLINE: return "Incremental Boxing Inline"; |
aoqi@0 | 89 | case PHASE_END: return "End"; |
aoqi@0 | 90 | case PHASE_FAILURE: return "Failure"; |
aoqi@0 | 91 | default: |
aoqi@0 | 92 | ShouldNotReachHere(); |
aoqi@0 | 93 | return NULL; |
aoqi@0 | 94 | } |
aoqi@0 | 95 | } |
aoqi@0 | 96 | }; |
aoqi@0 | 97 | |
aoqi@0 | 98 | #endif //SHARE_VM_OPTO_PHASETYPE_HPP |