xref: /llvm-project/offload/test/mapping/present/target_data_array_extension.c (revision 330d8983d25d08580fc1642fea48b2473f47a9da)
1 // --------------------------------------------------
2 // Check extends before
3 // --------------------------------------------------
4 
5 // RUN: %libomptarget-compile-generic \
6 // RUN:   -DEXTENDS=BEFORE
7 // RUN: %libomptarget-run-fail-generic 2>&1 \
8 // RUN: | %fcheck-generic
9 
10 // --------------------------------------------------
11 // Check extends after
12 // --------------------------------------------------
13 
14 // RUN: %libomptarget-compile-generic \
15 // RUN:   -DEXTENDS=AFTER
16 // RUN: %libomptarget-run-fail-generic 2>&1 \
17 // RUN: | %fcheck-generic
18 
19 // END.
20 
21 #include <stdio.h>
22 
23 #define BEFORE 0
24 #define AFTER 1
25 
26 #define SIZE 100
27 
28 #if EXTENDS == BEFORE
29 #define SMALL_BEG (SIZE - 2)
30 #define SMALL_END SIZE
31 #define LARGE_BEG 0
32 #define LARGE_END SIZE
33 #elif EXTENDS == AFTER
34 #define SMALL_BEG 0
35 #define SMALL_END 2
36 #define LARGE_BEG 0
37 #define LARGE_END SIZE
38 #else
39 #error EXTENDS undefined
40 #endif
41 
42 #define SMALL_SIZE (SMALL_END - SMALL_BEG)
43 #define LARGE_SIZE (LARGE_END - LARGE_BEG)
44 
45 #define SMALL                                                                  \
46   SMALL_BEG:                                                                   \
47   SMALL_SIZE
48 #define LARGE                                                                  \
49   LARGE_BEG:                                                                   \
50   LARGE_SIZE
51 
main()52 int main() {
53   int arr[SIZE];
54 
55   // CHECK: addr=0x[[#%x,SMALL_ADDR:]], size=[[#%u,SMALL_BYTES:]]
56   fprintf(stderr, "addr=%p, size=%ld\n", &arr[SMALL_BEG],
57           SMALL_SIZE * sizeof arr[0]);
58 
59   // CHECK: addr=0x[[#%x,LARGE_ADDR:]], size=[[#%u,LARGE_BYTES:]]
60   fprintf(stderr, "addr=%p, size=%ld\n", &arr[LARGE_BEG],
61           LARGE_SIZE * sizeof arr[0]);
62 
63   // CHECK-NOT: omptarget
64 #pragma omp target data map(alloc : arr[LARGE])
65   {
66 #pragma omp target data map(present, tofrom : arr[SMALL])
67     ;
68   }
69 
70   // CHECK: arr is present
71   fprintf(stderr, "arr is present\n");
72 
73   // CHECK: omptarget message: explicit extension not allowed: host address specified is 0x{{0*}}[[#LARGE_ADDR]] ([[#LARGE_BYTES]] bytes), but device allocation maps to host at 0x{{0*}}[[#SMALL_ADDR]] ([[#SMALL_BYTES]] bytes)
74   // CHECK: omptarget message: device mapping required by 'present' map type modifier does not exist for host address 0x{{0*}}[[#LARGE_ADDR]] ([[#LARGE_BYTES]] bytes)
75   // CHECK: omptarget error: Call to getTargetPointer returned null pointer ('present' map type modifier).
76   // CHECK: omptarget fatal error 1: failure of target construct while offloading is mandatory
77 #pragma omp target data map(alloc : arr[SMALL])
78   {
79 #pragma omp target data map(present, tofrom : arr[LARGE])
80     ;
81   }
82 
83   // CHECK-NOT: arr is present
84   fprintf(stderr, "arr is present\n");
85 
86   return 0;
87 }
88