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re PR middle-end/86660 (libgomp.c++/for-15.C ICEs with nvptx offloading)

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PR middle-end/86660
	* omp-low.c (scan_sharing_clauses): Don't ignore map clauses for
	declare target to variables if they have always,{to,from,tofrom} map
	kinds.

	* testsuite/libgomp.c/pr86660.c: New test.

From-SVN: r263010
This commit is contained in:
Jakub Jelinek 2018-07-26 18:12:02 +02:00 committed by Jakub Jelinek
parent c83b4b8242
commit 5883c5ccc9
4 changed files with 44 additions and 1 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2018-07-26 Jakub Jelinek <jakub@redhat.com>
PR middle-end/86660
* omp-low.c (scan_sharing_clauses): Don't ignore map clauses for
declare target to variables if they have always,{to,from,tofrom} map
kinds.
2018-07-26 Martin Liska <mliska@suse.cz>
PR lto/86548

5
gcc/omp-low.c
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@ -1183,13 +1183,16 @@ scan_sharing_clauses (tree clauses, omp_context *ctx)
/* Global variables with "omp declare target" attribute
don't need to be copied, the receiver side will use them
directly. However, global variables with "omp declare target link"
attribute need to be copied. */
attribute need to be copied. Or when ALWAYS modifier is used. */
if (OMP_CLAUSE_CODE (c) == OMP_CLAUSE_MAP
&& DECL_P (decl)
&& ((OMP_CLAUSE_MAP_KIND (c) != GOMP_MAP_FIRSTPRIVATE_POINTER
&& (OMP_CLAUSE_MAP_KIND (c)
!= GOMP_MAP_FIRSTPRIVATE_REFERENCE))
|| TREE_CODE (TREE_TYPE (decl)) == ARRAY_TYPE)
&& OMP_CLAUSE_MAP_KIND (c) != GOMP_MAP_ALWAYS_TO
&& OMP_CLAUSE_MAP_KIND (c) != GOMP_MAP_ALWAYS_FROM
&& OMP_CLAUSE_MAP_KIND (c) != GOMP_MAP_ALWAYS_TOFROM
&& is_global_var (maybe_lookup_decl_in_outer_ctx (decl, ctx))
&& varpool_node::get_create (decl)->offloadable
&& !lookup_attribute ("omp declare target link",

5
libgomp/ChangeLog
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@ -1,3 +1,8 @@
2018-07-26 Jakub Jelinek <jakub@redhat.com>
PR middle-end/86660
* testsuite/libgomp.c/pr86660.c: New test.
2018-07-26 Cesar Philippidis <cesar@codesourcery.com>
Tom de Vries <tdevries@suse.de>

28
libgomp/testsuite/libgomp.c/pr86660.c Normal file
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@ -0,0 +1,28 @@
/* PR middle-end/86660 */
#pragma omp declare target
int v[20];
void
foo (void)
{
if (v[7] != 2)
__builtin_abort ();
v[7] = 1;
}
#pragma omp end declare target
int
main ()
{
v[5] = 8;
v[7] = 2;
#pragma omp target map (always, tofrom: v)
{
foo ();
v[5] = 3;
}
if (v[7] != 1 || v[5] != 3)
__builtin_abort ();
return 0;
}