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XFAIL OpenMP/nvptx execution-time hangs for simple nested OpenMP 'target'/'parallel'/'task' constructs [PR99555]

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... still awaiting proper resolution, of course.

	libgomp/
	PR target/99555
	* testsuite/lib/libgomp.exp
	(check_effective_target_offload_device_nvptx): New.
	* testsuite/libgomp.c/pr99555-1.c <nvptx offload device>: Until
	resolved, make sure that we exit quickly, with error status,
	XFAILed.
	* testsuite/libgomp.c-c++-common/task-detach-6.c: Likewise.
	* testsuite/libgomp.fortran/task-detach-6.f90: Likewise.
This commit is contained in:
Thomas Schwinge 2021-04-07 10:36:36 +02:00
parent 39d23b7960
commit 4dd9e1c541
4 changed files with 22 additions and 3 deletions
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12
libgomp/testsuite/lib/libgomp.exp
View File

@ -401,6 +401,18 @@ proc check_effective_target_offload_device_shared_as { } {
} ]
}
# Return 1 if using nvptx offload device.
proc check_effective_target_offload_device_nvptx { } {
return [check_runtime_nocache offload_device_nvptx {
#include <omp.h>
#include "testsuite/libgomp.c-c++-common/on_device_arch.h"
int main ()
{
return !on_device_arch_nvptx ();
}
} ]
}
# Return 1 if at least one Nvidia GPU is accessible.
proc check_effective_target_openacc_nvidia_accel_present { } {

5
libgomp/testsuite/libgomp.c-c++-common/task-detach-6.c
View File

@ -2,6 +2,8 @@
#include <omp.h>
#include <assert.h>
#include <unistd.h> // For 'alarm'.
#include "on_device_arch.h"
/* Test tasks with detach clause on an offload device. Each device
@ -12,7 +14,8 @@ int main (void)
{
//TODO See '../libgomp.c/pr99555-1.c'.
if (on_device_arch_nvptx ())
__builtin_abort (); //TODO Until resolved, skip, with error status.
alarm (4); /*TODO Until resolved, make sure that we exit quickly, with error status.
{ dg-xfail-run-if "PR99555" { offload_device_nvptx } } */
int x = 0, y = 0, z = 0;
int thread_count;

5
libgomp/testsuite/libgomp.c/pr99555-1.c
View File

@ -2,12 +2,15 @@
// { dg-additional-options "-O0" }
#include <unistd.h> // For 'alarm'.
#include "../libgomp.c-c++-common/on_device_arch.h"
int main (void)
{
if (on_device_arch_nvptx ())
__builtin_abort (); //TODO Until resolved, skip, with error status.
alarm (4); /*TODO Until resolved, make sure that we exit quickly, with error status.
{ dg-xfail-run-if "PR99555" { offload_device_nvptx } } */
#pragma omp target
#pragma omp parallel // num_threads(1)

3
libgomp/testsuite/libgomp.fortran/task-detach-6.f90
View File

@ -21,7 +21,8 @@ program task_detach_6
!TODO See '../libgomp.c/pr99555-1.c'.
if (on_device_arch_nvptx () /= 0) then
error stop !TODO Until resolved, skip, with error status.
call alarm (4, 0); !TODO Until resolved, make sure that we exit quickly, with error status.
! { dg-xfail-run-if "PR99555" { offload_device_nvptx } }
end if
!$omp target map (tofrom: x, y, z) map (from: thread_count)