1// clang-format off
2// RUN: %libomptarget-compilexx-generic
3// RUN: env HSA_XNACK=1 LIBOMPTARGET_INFO=30 %libomptarget-run-generic 2>&1 \
4// RUN: | %fcheck-generic -check-prefix=INFO_ZERO -check-prefix=CHECK
5
6// RUN: %libomptarget-compilexx-generic
7// RUN: env HSA_XNACK=0 LIBOMPTARGET_INFO=30 %libomptarget-run-generic 2>&1 \
8// RUN: | %fcheck-generic -check-prefix=INFO_COPY -check-prefix=CHECK
9
10// UNSUPPORTED: aarch64-unknown-linux-gnu
11// UNSUPPORTED: aarch64-unknown-linux-gnu-LTO
12// UNSUPPORTED: nvptx64-nvidia-cuda
13// UNSUPPORTED: nvptx64-nvidia-cuda-LTO
14// UNSUPPORTED: x86_64-pc-linux-gnu
15// UNSUPPORTED: x86_64-pc-linux-gnu-LTO
16
17// REQUIRES: apu
18
19// clang-format on
20
21#include <cstdio>
22
23int main() {
24 int n = 1024;
25
26 // test various mapping types
27 int *a = new int[n];
28 int k = 3;
29 int b[n];
30
31 for (int i = 0; i < n; i++)
32 b[i] = i;
33
34 // clang-format off
35 // INFO_ZERO: Return HstPtrBegin 0x{{.*}} Size=4096 for unified shared memory
36 // INFO_ZERO: Return HstPtrBegin 0x{{.*}} Size=4096 for unified shared memory
37
38 // INFO_COPY: Creating new map entry with HstPtrBase=0x{{.*}}, HstPtrBegin=0x{{.*}}, TgtAllocBegin=0x{{.*}}, TgtPtrBegin=0x{{.*}}, Size=4096,
39 // INFO_COPY: Creating new map entry with HstPtrBase=0x{{.*}}, HstPtrBegin=0x{{.*}}, TgtAllocBegin=0x{{.*}}, TgtPtrBegin=0x{{.*}}, Size=4096,
40 // INFO_COPY: Mapping exists with HstPtrBegin=0x{{.*}}, TgtPtrBegin=0x{{.*}}, Size=4096, DynRefCount=1 (update suppressed)
41 // INFO_COPY: Mapping exists with HstPtrBegin=0x{{.*}}, TgtPtrBegin=0x{{.*}}, Size=4096, DynRefCount=1 (update suppressed)
42// clang-format on
43#pragma omp target teams distribute parallel for map(tofrom : a[ : n]) \
44 map(to : b[ : n])
45 for (int i = 0; i < n; i++)
46 a[i] = i + b[i] + k;
47
48 int err = 0;
49 for (int i = 0; i < n; i++)
50 if (a[i] != i + b[i] + k)
51 err++;
52
53 // CHECK: PASS
54 if (err == 0)
55 printf(format: "PASS\n");
56 return err;
57}
58

source code of offload/test/mapping/auto_zero_copy_apu.cpp