gcc/libgomp/testsuite/libgomp.c++/pr69555-2.C
Jakub Jelinek da3d46cba8 re PR libgomp/69555 (libgomp.c++/target-6.C fails because of undefined behaviour)
PR libgomp/69555
	* gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
	gimplify_type_sizes the type they refer to.
	(omp_notice_variable): Handle reference vars to VLAs.
	* omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE reference
	to VLA decls in the second pass instead of first pass.

	* testsuite/libgomp.c++/pr69555-1.C: New test.
	* testsuite/libgomp.c++/pr69555-2.C: New test.

From-SVN: r233913
2016-03-02 20:16:14 +01:00

59 lines
1.0 KiB
C

// PR libgomp/69555
// { dg-do run }
__attribute__((noinline, noclone)) void
f1 (int y)
{
int a[y - 2];
int (&c)[y - 2] = a;
for (int i = 0; i < y - 2; i++)
c[i] = i + 4;
#pragma omp target firstprivate (c)
{
for (int i = 0; i < y - 2; i++)
{
if (c[i] != i + 4)
__builtin_abort ();
c[i] = i + 9;
}
asm volatile ("" : : "r" (&c[0]) : "memory");
for (int i = 0; i < y - 2; i++)
if (c[i] != i + 9)
__builtin_abort ();
}
for (int i = 0; i < y - 2; i++)
if (c[i] != i + 4)
__builtin_abort ();
}
__attribute__((noinline, noclone)) void
f2 (int y)
{
int a[y - 2];
int (&c)[y - 2] = a;
for (int i = 0; i < y - 2; i++)
c[i] = i + 4;
#pragma omp target private (c)
{
for (int i = 0; i < y - 2; i++)
c[i] = i + 9;
asm volatile ("" : : "r" (&c[0]) : "memory");
for (int i = 0; i < y - 2; i++)
if (c[i] != i + 9)
__builtin_abort ();
}
for (int i = 0; i < y - 2; i++)
if (c[i] != i + 4)
__builtin_abort ();
}
int
main ()
{
f1 (6);
f2 (6);
return 0;
}