1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
|
/*
* Copyright (c) 2020, 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
* questions.
*
*/
super public class compiler/parsing/TestExceptionBlockWithPredecessors
version 59:0
{
Field loopCounter:I;
Field switchOn:I;
Field iFld:I;
public Method "<init>":"()V"
stack 1 locals 1
{
aload_0;
invokespecial Method java/lang/Object."<init>":"()V";
return;
}
Method test:"()V"
stack 4 locals 2
{
try t0, t1;
aload_0;
invokevirtual Method dontInlineThrow:"()V";
aload_0;
getfield Field switchOn:"I";
tableswitch{ //1 to 3
1: L32;
2: L53;
3: L57;
default: L67 };
L32: stack_frame_type same;
aload_0;
getfield Field loopCounter:"I";
bipush 10;
if_icmpge L67;
aload_0;
invokevirtual Method dontInlineThrow:"()V";
L53: stack_frame_type same;
aload_0;
invokevirtual Method dontInlineThrow:"()V";
L57: stack_frame_type same;
aload_0;
dup;
getfield Field loopCounter:"I";
iconst_1;
iadd;
putfield Field loopCounter:"I";
goto L32;
endtry t0, t1;
L67: stack_frame_type same;
goto L74;
catch t0 java/lang/RuntimeException;
stack_frame_type stack1;
stack_map class java/lang/RuntimeException;
astore_1;
aload_1;
aload_0;
getfield Field loopCounter:"I";
bipush 10;
if_icmpge L70;
aload_0;
dup;
getfield Field loopCounter:"I";
iconst_1;
iadd;
putfield Field loopCounter:"I";
goto L70;
catch t1 java/lang/Throwable;
L70: stack_frame_type stack1;
stack_map class java/lang/Throwable;
astore_1;
L74: stack_frame_type same;
return;
}
Method testWorksWithoutPreds:"()V"
stack 4 locals 2
{
try t0, t1;
aload_0;
invokevirtual Method dontInlineThrow:"()V";
aload_0;
getfield Field switchOn:"I";
tableswitch{ //1 to 3
1: L32; // No profile information about it. Never taken. Skip on it in first iteration in do_all_blocks()
2: L53;
3: L57;
default: L67 };
L32: stack_frame_type same; // Only parsed in second iteration of do_all_blocks(), when both exception handler blocks are already parsed
aload_0;
getfield Field loopCounter:"I";
bipush 10;
if_icmpge L67;
aload_0;
invokevirtual Method dontInlineThrow:"()V";
aload_0;
getfield Field iFld:"I";
bipush 10;
if_icmpeq L53;
aload_0;
invokevirtual Method dontInlineThrow:"()V";
L52: stack_frame_type same;
aload_0;
invokevirtual Method dontInlineThrow:"()V";
L53: stack_frame_type same;
aload_0;
invokevirtual Method dontInlineThrow:"()V";
L57: stack_frame_type same;
aload_0;
dup;
getfield Field loopCounter:"I";
iconst_1;
iadd;
putfield Field loopCounter:"I";
goto L32; // Only merge block starting at that bytecode which has a smaller rpo than this block -> process in next iteration in do_all_blocks()
endtry t0, t1;
L67: stack_frame_type same;
goto L74;
catch t0 java/lang/RuntimeException;
stack_frame_type stack1;
stack_map class java/lang/RuntimeException;
astore_1;
aload_0;
getfield Field loopCounter:"I";
bipush 10;
if_icmpge L74;
aload_0;
dup;
getfield Field loopCounter:"I";
iconst_1;
iadd;
putfield Field loopCounter:"I";
goto L74;
catch t1 java/lang/Throwable;
L70: stack_frame_type stack1;
stack_map class java/lang/Throwable;
astore_1;
L74: stack_frame_type same;
return;
}
public Method dontInlineThrow:"()V"
throws java/lang/RuntimeException
stack 0 locals 1
{
return;
}
} // end Class TestExceptionBlockWithPredecessors
|
