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
|
// RUN: %clang_cc1 -verify -fopenmp=libiomp5 -ferror-limit 100 %s
int foo() {
L1:
foo();
#pragma omp atomic
// expected-error@+2 {{the statement for 'atomic' must be an expression statement of form '++x;', '--x;', 'x++;', 'x--;', 'x binop= expr;', 'x = x binop expr' or 'x = expr binop x', where x is an l-value expression with scalar type}}
// expected-note@+1 {{expected an expression statement}}
{
foo();
goto L1; // expected-error {{use of undeclared label 'L1'}}
}
goto L2; // expected-error {{use of undeclared label 'L2'}}
#pragma omp atomic
// expected-error@+2 {{the statement for 'atomic' must be an expression statement of form '++x;', '--x;', 'x++;', 'x--;', 'x binop= expr;', 'x = x binop expr' or 'x = expr binop x', where x is an l-value expression with scalar type}}
// expected-note@+1 {{expected an expression statement}}
{
foo();
L2:
foo();
}
return 0;
}
struct S {
int a;
};
int readint() {
int a = 0, b = 0;
// Test for atomic read
#pragma omp atomic read
// expected-error@+2 {{the statement for 'atomic read' must be an expression statement of form 'v = x;', where v and x are both lvalue expressions with scalar type}}
// expected-note@+1 {{expected an expression statement}}
;
#pragma omp atomic read
// expected-error@+2 {{the statement for 'atomic read' must be an expression statement of form 'v = x;', where v and x are both lvalue expressions with scalar type}}
// expected-note@+1 {{expected built-in assignment operator}}
foo();
#pragma omp atomic read
// expected-error@+2 {{the statement for 'atomic read' must be an expression statement of form 'v = x;', where v and x are both lvalue expressions with scalar type}}
// expected-note@+1 {{expected built-in assignment operator}}
a += b;
#pragma omp atomic read
// expected-error@+2 {{the statement for 'atomic read' must be an expression statement of form 'v = x;', where v and x are both lvalue expressions with scalar type}}
// expected-note@+1 {{expected lvalue expression}}
a = 0;
#pragma omp atomic read
a = b;
// expected-error@+1 {{directive '#pragma omp atomic' cannot contain more than one 'read' clause}}
#pragma omp atomic read read
a = b;
return 0;
}
int readS() {
struct S a, b;
// expected-error@+1 {{directive '#pragma omp atomic' cannot contain more than one 'read' clause}}
#pragma omp atomic read read
// expected-error@+2 {{the statement for 'atomic read' must be an expression statement of form 'v = x;', where v and x are both lvalue expressions with scalar type}}
// expected-note@+1 {{expected expression of scalar type}}
a = b;
return a.a;
}
int writeint() {
int a = 0, b = 0;
// Test for atomic write
#pragma omp atomic write
// expected-error@+2 {{the statement for 'atomic write' must be an expression statement of form 'x = expr;', where x is a lvalue expression with scalar type}}
// expected-note@+1 {{expected an expression statement}}
;
#pragma omp atomic write
// expected-error@+2 {{the statement for 'atomic write' must be an expression statement of form 'x = expr;', where x is a lvalue expression with scalar type}}
// expected-note@+1 {{expected built-in assignment operator}}
foo();
#pragma omp atomic write
// expected-error@+2 {{the statement for 'atomic write' must be an expression statement of form 'x = expr;', where x is a lvalue expression with scalar type}}
// expected-note@+1 {{expected built-in assignment operator}}
a += b;
#pragma omp atomic write
a = 0;
#pragma omp atomic write
a = b;
// expected-error@+1 {{directive '#pragma omp atomic' cannot contain more than one 'write' clause}}
#pragma omp atomic write write
a = b;
return 0;
}
int writeS() {
struct S a, b;
// expected-error@+1 {{directive '#pragma omp atomic' cannot contain more than one 'write' clause}}
#pragma omp atomic write write
// expected-error@+2 {{the statement for 'atomic write' must be an expression statement of form 'x = expr;', where x is a lvalue expression with scalar type}}
// expected-note@+1 {{expected expression of scalar type}}
a = b;
return a.a;
}
int updateint() {
int a = 0, b = 0;
// Test for atomic update
#pragma omp atomic update
// expected-error@+2 {{the statement for 'atomic update' must be an expression statement of form '++x;', '--x;', 'x++;', 'x--;', 'x binop= expr;', 'x = x binop expr' or 'x = expr binop x', where x is an l-value expression with scalar type}}
// expected-note@+1 {{expected an expression statement}}
;
#pragma omp atomic
// expected-error@+2 {{the statement for 'atomic' must be an expression statement of form '++x;', '--x;', 'x++;', 'x--;', 'x binop= expr;', 'x = x binop expr' or 'x = expr binop x', where x is an l-value expression with scalar type}}
// expected-note@+1 {{expected built-in binary or unary operator}}
foo();
#pragma omp atomic
// expected-error@+2 {{the statement for 'atomic' must be an expression statement of form '++x;', '--x;', 'x++;', 'x--;', 'x binop= expr;', 'x = x binop expr' or 'x = expr binop x', where x is an l-value expression with scalar type}}
// expected-note@+1 {{expected built-in binary operator}}
a = b;
#pragma omp atomic update
// expected-error@+2 {{the statement for 'atomic update' must be an expression statement of form '++x;', '--x;', 'x++;', 'x--;', 'x binop= expr;', 'x = x binop expr' or 'x = expr binop x', where x is an l-value expression with scalar type}}
// expected-note@+1 {{expected one of '+', '*', '-', '/', '&', '^', '|', '<<', or '>>' built-in operations}}
a = b || a;
#pragma omp atomic update
// expected-error@+2 {{the statement for 'atomic update' must be an expression statement of form '++x;', '--x;', 'x++;', 'x--;', 'x binop= expr;', 'x = x binop expr' or 'x = expr binop x', where x is an l-value expression with scalar type}}
// expected-note@+1 {{expected one of '+', '*', '-', '/', '&', '^', '|', '<<', or '>>' built-in operations}}
a = a && b;
#pragma omp atomic update
// expected-error@+2 {{the statement for 'atomic update' must be an expression statement of form '++x;', '--x;', 'x++;', 'x--;', 'x binop= expr;', 'x = x binop expr' or 'x = expr binop x', where x is an l-value expression with scalar type}}
// expected-note@+1 {{expected in right hand side of expression}}
a = (float)a + b;
#pragma omp atomic
// expected-error@+2 {{the statement for 'atomic' must be an expression statement of form '++x;', '--x;', 'x++;', 'x--;', 'x binop= expr;', 'x = x binop expr' or 'x = expr binop x', where x is an l-value expression with scalar type}}
// expected-note@+1 {{expected in right hand side of expression}}
a = 2 * b;
#pragma omp atomic
// expected-error@+2 {{the statement for 'atomic' must be an expression statement of form '++x;', '--x;', 'x++;', 'x--;', 'x binop= expr;', 'x = x binop expr' or 'x = expr binop x', where x is an l-value expression with scalar type}}
// expected-note@+1 {{expected in right hand side of expression}}
a = b + *&a;
#pragma omp atomic update
*&a = *&a + 2;
#pragma omp atomic update
a++;
#pragma omp atomic
++a;
#pragma omp atomic update
a--;
#pragma omp atomic
--a;
#pragma omp atomic update
a += b;
#pragma omp atomic
a %= b;
#pragma omp atomic update
a *= b;
#pragma omp atomic
a -= b;
#pragma omp atomic update
a /= b;
#pragma omp atomic
a &= b;
#pragma omp atomic update
a ^= b;
#pragma omp atomic
a |= b;
#pragma omp atomic update
a <<= b;
#pragma omp atomic
a >>= b;
#pragma omp atomic update
a = b + a;
#pragma omp atomic
a = a * b;
#pragma omp atomic update
a = b - a;
#pragma omp atomic
a = a / b;
#pragma omp atomic update
a = b & a;
#pragma omp atomic
a = a ^ b;
#pragma omp atomic update
a = b | a;
#pragma omp atomic
a = a << b;
#pragma omp atomic
a = b >> a;
// expected-error@+1 {{directive '#pragma omp atomic' cannot contain more than one 'update' clause}}
#pragma omp atomic update update
a /= b;
return 0;
}
|
