1 // RUN: %clang_cc1 -verify -fopenmp -ast-print %s | FileCheck %s
2 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -emit-pch -o %t %s
3 // RUN: %clang_cc1 -fopenmp -std=c++11 -include-pch %t -fsyntax-only -verify %s -ast-print | FileCheck %s
4 // expected-no-diagnostics
5 
6 #ifndef HEADER
7 #define HEADER
8 
9 template <class T>
foo(T argc)10 T foo(T argc) {
11   T b = T();
12   T a = T();
13 #pragma omp atomic
14   a++;
15 #pragma omp atomic read
16   a = argc;
17 #pragma omp atomic write
18   a = argc + argc;
19 #pragma omp atomic update
20   a = a + argc;
21 #pragma omp atomic capture
22   a = b++;
23 #pragma omp atomic capture
24   {
25     a = b;
26     b++;
27   }
28 #pragma omp atomic seq_cst
29   a++;
30 #pragma omp atomic read seq_cst
31   a = argc;
32 #pragma omp atomic seq_cst write
33   a = argc + argc;
34 #pragma omp atomic update seq_cst
35   a = a + argc;
36 #pragma omp atomic seq_cst capture
37   a = b++;
38 #pragma omp atomic capture seq_cst
39   {
40     a = b;
41     b++;
42   }
43   return T();
44 }
45 
46 // CHECK: int a = int();
47 // CHECK-NEXT: #pragma omp atomic
48 // CHECK-NEXT: a++;
49 // CHECK-NEXT: #pragma omp atomic read
50 // CHECK-NEXT: a = argc;
51 // CHECK-NEXT: #pragma omp atomic write
52 // CHECK-NEXT: a = argc + argc;
53 // CHECK-NEXT: #pragma omp atomic update
54 // CHECK-NEXT: a = a + argc;
55 // CHECK-NEXT: #pragma omp atomic capture
56 // CHECK-NEXT: a = b++;
57 // CHECK-NEXT: #pragma omp atomic capture
58 // CHECK-NEXT: {
59 // CHECK-NEXT: a = b;
60 // CHECK-NEXT: b++;
61 // CHECK-NEXT: }
62 // CHECK-NEXT: #pragma omp atomic seq_cst
63 // CHECK-NEXT: a++;
64 // CHECK-NEXT: #pragma omp atomic read seq_cst
65 // CHECK-NEXT: a = argc;
66 // CHECK-NEXT: #pragma omp atomic seq_cst write
67 // CHECK-NEXT: a = argc + argc;
68 // CHECK-NEXT: #pragma omp atomic update seq_cst
69 // CHECK-NEXT: a = a + argc;
70 // CHECK-NEXT: #pragma omp atomic seq_cst capture
71 // CHECK-NEXT: a = b++;
72 // CHECK-NEXT: #pragma omp atomic capture seq_cst
73 // CHECK-NEXT: {
74 // CHECK-NEXT: a = b;
75 // CHECK-NEXT: b++;
76 // CHECK-NEXT: }
77 // CHECK: T a = T();
78 // CHECK-NEXT: #pragma omp atomic
79 // CHECK-NEXT: a++;
80 // CHECK-NEXT: #pragma omp atomic read
81 // CHECK-NEXT: a = argc;
82 // CHECK-NEXT: #pragma omp atomic write
83 // CHECK-NEXT: a = argc + argc;
84 // CHECK-NEXT: #pragma omp atomic update
85 // CHECK-NEXT: a = a + argc;
86 // CHECK-NEXT: #pragma omp atomic capture
87 // CHECK-NEXT: a = b++;
88 // CHECK-NEXT: #pragma omp atomic capture
89 // CHECK-NEXT: {
90 // CHECK-NEXT: a = b;
91 // CHECK-NEXT: b++;
92 // CHECK-NEXT: }
93 // CHECK-NEXT: #pragma omp atomic seq_cst
94 // CHECK-NEXT: a++;
95 // CHECK-NEXT: #pragma omp atomic read seq_cst
96 // CHECK-NEXT: a = argc;
97 // CHECK-NEXT: #pragma omp atomic seq_cst write
98 // CHECK-NEXT: a = argc + argc;
99 // CHECK-NEXT: #pragma omp atomic update seq_cst
100 // CHECK-NEXT: a = a + argc;
101 // CHECK-NEXT: #pragma omp atomic seq_cst capture
102 // CHECK-NEXT: a = b++;
103 // CHECK-NEXT: #pragma omp atomic capture seq_cst
104 // CHECK-NEXT: {
105 // CHECK-NEXT: a = b;
106 // CHECK-NEXT: b++;
107 // CHECK-NEXT: }
108 
main(int argc,char ** argv)109 int main(int argc, char **argv) {
110   int b = 0;
111   int a = 0;
112 // CHECK: int a = 0;
113 #pragma omp atomic
114   a++;
115 #pragma omp atomic read
116   a = argc;
117 #pragma omp atomic write
118   a = argc + argc;
119 #pragma omp atomic update
120   a = a + argc;
121 #pragma omp atomic capture
122   a = b++;
123 #pragma omp atomic capture
124   {
125     a = b;
126     b++;
127   }
128 #pragma omp atomic seq_cst
129   a++;
130 #pragma omp atomic read seq_cst
131   a = argc;
132 #pragma omp atomic seq_cst write
133   a = argc + argc;
134 #pragma omp atomic update seq_cst
135   a = a + argc;
136 #pragma omp atomic seq_cst capture
137   a = b++;
138 #pragma omp atomic capture seq_cst
139   {
140     a = b;
141     b++;
142   }
143   // CHECK-NEXT: #pragma omp atomic
144   // CHECK-NEXT: a++;
145   // CHECK-NEXT: #pragma omp atomic read
146   // CHECK-NEXT: a = argc;
147   // CHECK-NEXT: #pragma omp atomic write
148   // CHECK-NEXT: a = argc + argc;
149   // CHECK-NEXT: #pragma omp atomic update
150   // CHECK-NEXT: a = a + argc;
151   // CHECK-NEXT: #pragma omp atomic capture
152   // CHECK-NEXT: a = b++;
153   // CHECK-NEXT: #pragma omp atomic capture
154   // CHECK-NEXT: {
155   // CHECK-NEXT: a = b;
156   // CHECK-NEXT: b++;
157   // CHECK-NEXT: }
158   // CHECK-NEXT: #pragma omp atomic seq_cst
159   // CHECK-NEXT: a++;
160   // CHECK-NEXT: #pragma omp atomic read seq_cst
161   // CHECK-NEXT: a = argc;
162   // CHECK-NEXT: #pragma omp atomic seq_cst write
163   // CHECK-NEXT: a = argc + argc;
164   // CHECK-NEXT: #pragma omp atomic update seq_cst
165   // CHECK-NEXT: a = a + argc;
166   // CHECK-NEXT: #pragma omp atomic seq_cst capture
167   // CHECK-NEXT: a = b++;
168   // CHECK-NEXT: #pragma omp atomic capture seq_cst
169   // CHECK-NEXT: {
170   // CHECK-NEXT: a = b;
171   // CHECK-NEXT: b++;
172   // CHECK-NEXT: }
173   return foo(a);
174 }
175 
176 #endif
177