1 /* Test transitioning of data lifetimes between structured and dynamic.  */
2 
3 /* { dg-skip-if "" { *-*-* } { "-DACC_MEM_SHARED=1" } } */
4 
5 #include <openacc.h>
6 #include <assert.h>
7 #include <stdlib.h>
8 
9 #define SIZE 1024
10 
11 void
f1(void)12 f1 (void)
13 {
14   char *block1 = (char *) malloc (SIZE);
15 
16 #ifdef OPENACC_API
17   acc_copyin (block1, SIZE);
18   acc_copyin (block1, SIZE);
19 #else
20 #pragma acc enter data copyin(block1[0:SIZE])
21 #pragma acc enter data copyin(block1[0:SIZE])
22 #endif
23 
24 #pragma acc data copy(block1[0:SIZE])
25   {
26 #ifdef OPENACC_API
27     acc_copyin (block1, SIZE);
28 #else
29 #pragma acc enter data copyin(block1[0:SIZE])
30 #endif
31   }
32 
33   assert (acc_is_present (block1, SIZE));
34 
35 #ifdef OPENACC_API
36   acc_copyout (block1, SIZE);
37   assert (acc_is_present (block1, SIZE));
38   acc_copyout (block1, SIZE);
39   assert (acc_is_present (block1, SIZE));
40   acc_copyout (block1, SIZE);
41   assert (!acc_is_present (block1, SIZE));
42 #else
43 #pragma acc exit data copyout(block1[0:SIZE])
44   assert (acc_is_present (block1, SIZE));
45 #pragma acc exit data copyout(block1[0:SIZE])
46   assert (acc_is_present (block1, SIZE));
47 #pragma acc exit data copyout(block1[0:SIZE])
48   assert (!acc_is_present (block1, SIZE));
49 #endif
50 
51   free (block1);
52 }
53 
54 void
f2(void)55 f2 (void)
56 {
57   char *block1 = (char *) malloc (SIZE);
58 
59 #ifdef OPENACC_API
60   acc_copyin (block1, SIZE);
61 #else
62 #pragma acc enter data copyin(block1[0:SIZE])
63 #endif
64 
65 #pragma acc data copy(block1[0:SIZE])
66   {
67 #ifdef OPENACC_API
68     acc_copyout (block1, SIZE);
69 #else
70 #pragma acc exit data copyout(block1[0:SIZE])
71 #endif
72     /* This should stay present until the end of the structured data
73        lifetime.  */
74     assert (acc_is_present (block1, SIZE));
75   }
76 
77   assert (!acc_is_present (block1, SIZE));
78 
79   free (block1);
80 }
81 
82 void
f3(void)83 f3 (void)
84 {
85   char *block1 = (char *) malloc (SIZE);
86 
87 #ifdef OPENACC_API
88   acc_copyin (block1, SIZE);
89 #else
90 #pragma acc enter data copyin(block1[0:SIZE])
91 #endif
92 
93 #pragma acc data copy(block1[0:SIZE])
94   {
95 #ifdef OPENACC_API
96     acc_copyout (block1, SIZE);
97     acc_copyin (block1, SIZE);
98 #else
99 #pragma acc exit data copyout(block1[0:SIZE])
100 #pragma acc enter data copyin(block1[0:SIZE])
101 #endif
102     assert (acc_is_present (block1, SIZE));
103   }
104 
105   assert (acc_is_present (block1, SIZE));
106 #ifdef OPENACC_API
107   acc_copyout (block1, SIZE);
108 #else
109 #pragma acc exit data copyout(block1[0:SIZE])
110 #endif
111   assert (!acc_is_present (block1, SIZE));
112 
113   free (block1);
114 }
115 
116 void
f4(void)117 f4 (void)
118 {
119   char *block1 = (char *) malloc (SIZE);
120   char *block2 = (char *) malloc (SIZE);
121   char *block3 = (char *) malloc (SIZE);
122 
123 #pragma acc data copy(block1[0:SIZE], block2[0:SIZE], block3[0:SIZE])
124   {
125   /* The first copyin of block2 is the enclosing data region.  This
126      "enter data" should make it live beyond the end of this region.
127      This works, though the on-target copies of block1, block2 and block3
128      will stay allocated until block2 is unmapped because they are bound
129      together in a single target_mem_desc.  */
130 #ifdef OPENACC_API
131     acc_copyin (block2, SIZE);
132 #else
133 #pragma acc enter data copyin(block2[0:SIZE])
134 #endif
135   }
136 
137   assert (!acc_is_present (block1, SIZE));
138   assert (acc_is_present (block2, SIZE));
139   assert (!acc_is_present (block3, SIZE));
140 
141 #ifdef OPENACC_API
142   acc_copyout (block2, SIZE);
143 #else
144 #pragma acc exit data copyout(block2[0:SIZE])
145 #endif
146   assert (!acc_is_present (block2, SIZE));
147 
148   free (block1);
149   free (block2);
150   free (block3);
151 }
152 
153 int
main(int argc,char * argv[])154 main (int argc, char *argv[])
155 {
156   f1 ();
157   f2 ();
158   f3 ();
159   f4 ();
160   return 0;
161 }
162