1 /*
2 * Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 import java.lang.runtime.CodeReflection;
25
26 /*
27 * @test
28 * @summary Smoke test for code reflection with while loops.
29 * @build WhileLoopTest
30 * @build CodeReflectionTester
31 * @run main CodeReflectionTester WhileLoopTest
32 */
33
34 public class WhileLoopTest {
35 @CodeReflection
36 @IR("""
37 func @"test1" (%0 : WhileLoopTest)void -> {
38 %1 : int = constant @"0";
39 %2 : Var<int> = var %1 @"i";
40 java.while
41 ^cond()boolean -> {
42 %3 : int = var.load %2;
43 %4 : int = constant @"10";
44 %5 : boolean = lt %3 %4;
45 yield %5;
46 }
47 ^body()void -> {
48 %6 : java.io.PrintStream = field.load @"java.lang.System::out()java.io.PrintStream";
49 %7 : int = var.load %2;
50 invoke %6 %7 @"java.io.PrintStream::println(int)void";
51 %8 : int = var.load %2;
52 %9 : int = constant @"1";
53 %10 : int = add %8 %9;
54 var.store %2 %10;
55 java.continue;
56 };
57 return;
58 };
59 """)
60 void test1() {
61 int i = 0;
62 while (i < 10) {
63 System.out.println(i);
64 i = i + 1;
65 }
66 }
67
68 @CodeReflection
69 @IR("""
70 func @"test2" (%0 : WhileLoopTest)int -> {
71 %1 : int = constant @"0";
72 %2 : Var<int> = var %1 @"i";
73 java.while
74 ^cond()boolean -> {
75 %3 : int = var.load %2;
76 %4 : int = constant @"10";
77 %5 : boolean = lt %3 %4;
78 yield %5;
79 }
80 ^body()void -> {
81 %6 : int = var.load %2;
82 return %6;
83 };
84 %7 : int = constant @"-1";
85 return %7;
86 };
87 """)
88 int test2() {
89 int i = 0;
90 while (i < 10) {
91 return i;
92 }
93 return -1;
94 }
95
96 @CodeReflection
97 @IR("""
98 func @"test3" (%0 : WhileLoopTest)void -> {
99 %1 : int = constant @"0";
100 %2 : Var<int> = var %1 @"i";
101 java.do.while
102 ^body()void -> {
103 %3 : java.io.PrintStream = field.load @"java.lang.System::out()java.io.PrintStream";
104 %4 : int = var.load %2;
105 invoke %3 %4 @"java.io.PrintStream::println(int)void";
106 %5 : int = var.load %2;
107 %6 : int = constant @"1";
108 %7 : int = add %5 %6;
109 var.store %2 %7;
110 java.continue;
111 }
112 ^cond()boolean -> {
113 %8 : int = var.load %2;
114 %9 : int = constant @"10";
115 %10 : boolean = lt %8 %9;
116 yield %10;
117 };
118 return;
119 };
120 """)
121 void test3() {
122 int i = 0;
123 do {
124 System.out.println(i);
125 i = i + 1;
126 } while (i < 10);
127 }
128 }