1 /* { dg-do run } */
2
3 /* Based on '../libgomp.oacc-fortran/asyncwait-3.f90'. */
4
5 /* { dg-additional-options "--param=openacc-kernels=decompose" } */
6
7 /* { dg-additional-options "-fopt-info-all-omp" }
8 { dg-additional-options "-foffload=-fopt-info-all-omp" } */
9
10 /* { dg-additional-options "--param=openacc-privatization=noisy" }
11 { dg-additional-options "-foffload=--param=openacc-privatization=noisy" }
12 Prune a few: uninteresting, and potentially varying depending on GCC configuration (data types):
13 { dg-prune-output {note: variable '[Di]\.[0-9]+' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} } */
14
15 /* It's only with Tcl 8.5 (released in 2007) that "the variable 'varName'
16 passed to 'incr' may be unset, and in that case, it will be set to [...]",
17 so to maintain compatibility with earlier Tcl releases, we manually
18 initialize counter variables:
19 { dg-line l_dummy[variable c_compute 0 c_loop_i 0] }
20 { dg-message "dummy" "" { target iN-VAl-Id } l_dummy } to avoid
21 "WARNING: dg-line var l_dummy defined, but not used". */
22
23 #include <stdlib.h>
24
25 #define N 64
26
27 int
28 main (void)
29 {
30 int *a, *b, *c;
31
32 a = (int *)malloc (N * sizeof (*a));
33 b = (int *)malloc (N * sizeof (*b));
34 c = (int *)malloc (N * sizeof (*c));
35
36 #pragma acc parallel copy (a[0:N]) async (0) /* { dg-line l_compute[incr c_compute] } */
37 /* { dg-note {variable 'i' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_compute$c_compute } */
38 #pragma acc loop /* { dg-line l_loop_i[incr c_loop_i] } */
39 /* { dg-note {variable 'i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop_i$c_loop_i } */
40 /* { dg-optimized "assigned OpenACC gang vector loop parallelism" "" { target *-*-* } l_loop_i$c_loop_i } */
41 for (int i = 0; i < N; ++i)
42 a[i] = 1;
43
44 #pragma acc parallel copy (b[0:N]) async (1) /* { dg-line l_compute[incr c_compute] } */
45 /* { dg-note {variable 'i' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_compute$c_compute } */
46 #pragma acc loop /* { dg-line l_loop_i[incr c_loop_i] } */
47 /* { dg-note {variable 'i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop_i$c_loop_i } */
48 /* { dg-optimized "assigned OpenACC gang vector loop parallelism" "" { target *-*-* } l_loop_i$c_loop_i } */
49 for (int i = 0; i < N; ++i)
50 b[i] = 1;
51
52 #pragma acc wait (0, 1)
53
54 #pragma acc parallel copy (a[0:N], b[0:N], c[0:N]) /* { dg-line l_compute[incr c_compute] } */
55 /* { dg-note {variable 'i' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_compute$c_compute } */
56 #pragma acc loop /* { dg-line l_loop_i[incr c_loop_i] } */
57 /* { dg-note {variable 'i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop_i$c_loop_i } */
58 /* { dg-optimized "assigned OpenACC gang vector loop parallelism" "" { target *-*-* } l_loop_i$c_loop_i } */
59 for (int i = 0; i < N; ++i)
60 c[i] = a[i] + b[i];
61
62 for (int i = 0; i < N; ++i)
63 if (c[i] != 2)
64 abort ();
65
66 #pragma acc kernels copy (a[0:N]) async (0)
67 #pragma acc loop /* { dg-line l_loop_i[incr c_loop_i] } */
68 /* { dg-note {forwarded loop nest in OpenACC 'kernels' region to 'parloops' for analysis} {} { target *-*-* } l_loop_i$c_loop_i } */
69 /* { dg-note {variable 'i' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop_i$c_loop_i } */
70 /* { dg-note {variable 'i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop_i$c_loop_i } */
71 /* { dg-optimized "assigned OpenACC seq loop parallelism" "" { target *-*-* } l_loop_i$c_loop_i } */
72 for (int i = 0; i < N; ++i)
73 a[i] = 1;
74
75 #pragma acc kernels copy (b[0:N]) async (1)
76 #pragma acc loop /* { dg-line l_loop_i[incr c_loop_i] } */
77 /* { dg-note {forwarded loop nest in OpenACC 'kernels' region to 'parloops' for analysis} {} { target *-*-* } l_loop_i$c_loop_i } */
78 /* { dg-note {variable 'i' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop_i$c_loop_i } */
79 /* { dg-note {variable 'i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop_i$c_loop_i } */
80 /* { dg-optimized "assigned OpenACC seq loop parallelism" "" { target *-*-* } l_loop_i$c_loop_i } */
81 for (int i = 0; i < N; ++i)
82 b[i] = 1;
83
84 #pragma acc wait (0, 1)
85
86 #pragma acc kernels copy (a[0:N], b[0:N], c[0:N])
87 #pragma acc loop /* { dg-line l_loop_i[incr c_loop_i] } */
88 /* { dg-note {forwarded loop nest in OpenACC 'kernels' region to 'parloops' for analysis} {} { target *-*-* } l_loop_i$c_loop_i } */
89 /* { dg-note {variable 'i' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop_i$c_loop_i } */
90 /* { dg-note {variable 'i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop_i$c_loop_i } */
91 /* { dg-optimized "assigned OpenACC seq loop parallelism" "" { target *-*-* } l_loop_i$c_loop_i } */
92 for (int i = 0; i < N; ++i)
93 c[i] = a[i] + b[i];
94
95 for (int i = 0; i < N; ++i)
96 if (c[i] != 2)
97 abort ();
98
99 free (a);
100 free (b);
101 free (c);
102 }