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
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
|
package com.seaofnodes.simple;
import com.seaofnodes.simple.node.*;
import org.junit.Test;
import static org.junit.Assert.*;
public class Chapter07Test {
@Test
public void testExample() {
CodeGen code = new CodeGen(
"""
while(arg < 10) {
arg = arg + 1;
}
return arg;
""");
code.parse();
assertEquals("return Phi(Loop,arg,(Phi_arg+1));", code.print());
assertTrue(code.ctrl() instanceof CProjNode);
}
@Test
public void testRegression() {
CodeGen code = new CodeGen(
"""
int a = 1;
if(arg){}else{
while(a < 10) {
a = a + 1;
}
}
return a;
""");
code.parse().opto();
assertEquals("return Phi(Region,1,Phi(Loop,1,(Phi_a+1)));", code.print());
}
@Test
public void testWhileNested() {
CodeGen code = new CodeGen(
"""
int sum = 0;
int i = 0;
while(i < arg) {
i = i + 1;
int j = 0;
while( j < arg ) {
sum = sum + j;
j = j + 1;
}
}
return sum;
""");
code.parse().opto();
assertEquals("return Phi(Loop,0,Phi(Loop,Phi_sum,(Phi_sum+Phi(Loop,0,(Phi_j+1)))));", code.print());
}
@Test
public void testWhileScope() {
CodeGen code = new CodeGen(
"""
int a = 1;
int b = 2;
while(a < 10) {
if (a == 2) a = 3;
else b = 4;
}
return b;
""");
code.parse();
assertEquals("return Phi(Loop,2,Phi(Region,Phi_b,4));", code.print());
assertTrue(code.ctrl() instanceof CProjNode);
}
@Test
public void testWhileNestedIfAndInc() {
CodeGen code = new CodeGen(
"""
int a = 1;
int b = 2;
while(a < 10) {
if (a == 2) a = 3;
else b = 4;
b = b + 1;
a = a + 1;
}
return b;
""");
code.parse().opto();
assertEquals("return Phi(Loop,2,(Phi(Region,Phi_b,4)+1));", code.print());
assertTrue(code.ctrl() instanceof CProjNode);
}
@Test
public void testWhile() {
CodeGen code = new CodeGen(
"""
int a = 1;
while(a < 10) {
a = a + 1;
a = a + 2;
}
return a;
""");
code.parse();
assertEquals("return Phi(Loop,1,(Phi_a+3));", code.print());
assertTrue(code.ctrl() instanceof CProjNode);
}
@Test
public void testWhilePeep() {
CodeGen code = new CodeGen(
"""
int a = 1;
while(a < 10) {
a = a + 1;
a = a + 2;
}
return a;
""");
code.parse().opto();
assertEquals("return Phi(Loop,1,(Phi_a+3));", code.print());
assertTrue(code.ctrl() instanceof CProjNode);
}
@Test
public void testWhile2() {
CodeGen code = new CodeGen(
"""
int a = 1;
while(arg) a = 2;
return a;
""");
code.parse();
assertEquals("return Phi(Loop,1,2);", code.print());
assertTrue(code.ctrl() instanceof CProjNode);
}
@Test
public void testWhile2Peep() {
CodeGen code = new CodeGen(
"""
int a = 1;
while(arg) a = 2;
return a;
""");
code.parse().opto();
assertEquals("return Phi(Loop,1,2);", code.print());
assertTrue(code.ctrl() instanceof CProjNode);
}
@Test
public void testWhile3() {
CodeGen code = new CodeGen(
"""
int a = 1;
while(a < 10) {
int b = a + 1;
a = b + 2;
}
return a;
""");
code.parse();
assertEquals("return Phi(Loop,1,(Phi_a+3));", code.print());
assertTrue(code.ctrl() instanceof CProjNode);
}
@Test
public void testWhile3Peep() {
CodeGen code = new CodeGen(
"""
int a = 1;
while(a < 10) {
int b = a + 1;
a = b + 2;
}
return a;
""");
code.parse().opto();
assertEquals("return Phi(Loop,1,(Phi_a+3));", code.print());
assertTrue(code.ctrl() instanceof CProjNode);
}
@Test
public void testWhile4() {
CodeGen code = new CodeGen(
"""
int a = 1;
int b = 2;
while(a < 10) {
int b = a + 1;
a = b + 2;
}
return a;
""");
code.parse();
assertEquals("return Phi(Loop,1,(Phi_a+3));", code.print());
assertTrue(code.ctrl() instanceof CProjNode);
}
@Test
public void testWhile4Peep() {
CodeGen code = new CodeGen(
"""
int a = 1;
int b = 2;
while(a < 10) {
int b = a + 1;
a = b + 2;
}
return a;
""");
code.parse().opto();
assertEquals("return Phi(Loop,1,(Phi_a+3));", code.print());
assertTrue(code.ctrl() instanceof CProjNode);
}
}
|
