diff options
Diffstat (limited to 'libgomp/testsuite/libgomp.c-c++-common/requires-4a.c')
-rw-r--r-- | libgomp/testsuite/libgomp.c-c++-common/requires-4a.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/libgomp/testsuite/libgomp.c-c++-common/requires-4a.c b/libgomp/testsuite/libgomp.c-c++-common/requires-4a.c new file mode 100644 index 0000000..4fb9783 --- /dev/null +++ b/libgomp/testsuite/libgomp.c-c++-common/requires-4a.c @@ -0,0 +1,39 @@ +/* { dg-additional-options "-flto" } */ +/* { dg-additional-options "-foffload-options=nvptx-none=-misa=sm_35" { target { offload_target_nvptx } } } */ +/* { dg-additional-sources requires-4-aux.c } */ + +/* Same as requires-4.c, but uses heap memory for 'a'. */ + +/* Check no diagnostic by device-compiler's or host compiler's lto1. + Other file uses: 'requires reverse_offload', but that's inactive as + there are no declare target directives, device constructs nor device routines */ + +/* Depending on offload device capabilities, it may print something like the + following (only) if GOMP_DEBUG=1: + "devices present but 'omp requires unified_address, unified_shared_memory, reverse_offload' cannot be fulfilled" + and in that case does host-fallback execution. + + No offload devices support USM at present, so we may verify host-fallback + execution by presence of separate memory spaces. */ + +#pragma omp requires unified_address,unified_shared_memory + +int *a; +extern void foo (void); + +int +main (void) +{ + a = (int *) __builtin_calloc (sizeof (int), 10); + #pragma omp target map(to: a) + for (int i = 0; i < 10; i++) + a[i] = i; + + for (int i = 0; i < 10; i++) + if (a[i] != i) + __builtin_abort (); + + foo (); + __builtin_free (a); + return 0; +} |