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authorCesar Philippidis <cesar@codesourcery.com>2018-04-12 06:15:45 -0700
committerCesar Philippidis <cesar@gcc.gnu.org>2018-04-12 06:15:45 -0700
commit2e5efa6760314aac101b63d1a7742cff5f5e650f (patch)
treeb8576600c7c102a8375ae41777eabe324a6b4f07 /gcc
parentc1566f8942f107774fbe0d41cc5de641175043e7 (diff)
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re PR middle-end/84955 (Incorrect OpenACC tile expansion)
PR middle-end/84955 gcc/ * lto-streamer-out.c (output_function): Fix CFG loop state before streaming out. * omp-expand.c (expand_oacc_for): Handle calls to internal functions like regular functions. libgomp/ * testsuite/libgomp.oacc-c-c++-common/pr84955.c: New test. * testsuite/libgomp.oacc-fortran/pr84955.f90: New test. Co-Authored-By: Richard Biener <rguenther@suse.de> From-SVN: r259346
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog9
-rw-r--r--gcc/lto-streamer-out.c8
-rw-r--r--gcc/omp-expand.c8
-rw-r--r--gcc/testsuite/ChangeLog6
4 files changed, 29 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index c36052d..798469f 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,12 @@
+2018-04-12 Cesar Philippidis <cesar@codesourcery.com>
+ Richard Biener <rguenther@suse.de>
+
+ PR middle-end/84955
+ * lto-streamer-out.c (output_function): Fix CFG loop state before
+ streaming out.
+ * omp-expand.c (expand_oacc_for): Handle calls to internal
+ functions like regular functions.
+
2018-04-12 Richard Biener <rguenther@suse.de>
PR lto/85371
diff --git a/gcc/lto-streamer-out.c b/gcc/lto-streamer-out.c
index 1d2ab97..fd6788a 100644
--- a/gcc/lto-streamer-out.c
+++ b/gcc/lto-streamer-out.c
@@ -2084,6 +2084,9 @@ output_function (struct cgraph_node *node)
/* Set current_function_decl and cfun. */
push_cfun (fn);
+ /* Fixup loops if required to match discovery done in the reader. */
+ loop_optimizer_init (AVOID_CFG_MODIFICATIONS);
+
/* Make string 0 be a NULL string. */
streamer_write_char_stream (ob->string_stream, 0);
@@ -2176,12 +2179,13 @@ output_function (struct cgraph_node *node)
streamer_write_record_start (ob, LTO_null);
output_cfg (ob, fn);
-
- pop_cfun ();
}
else
streamer_write_uhwi (ob, 0);
+ loop_optimizer_finalize ();
+ pop_cfun ();
+
/* Create a section to hold the pickled output of this function. */
produce_asm (ob, function);
diff --git a/gcc/omp-expand.c b/gcc/omp-expand.c
index bb20490..c7d30ea 100644
--- a/gcc/omp-expand.c
+++ b/gcc/omp-expand.c
@@ -5439,6 +5439,14 @@ expand_oacc_for (struct omp_region *region, struct omp_for_data *fd)
split->flags ^= EDGE_FALLTHRU | EDGE_TRUE_VALUE;
+ /* Add a dummy exit for the tiled block when cont_bb is missing. */
+ if (cont_bb == NULL)
+ {
+ edge e = make_edge (body_bb, exit_bb, EDGE_FALSE_VALUE);
+ e->probability = profile_probability::even ();
+ split->probability = profile_probability::even ();
+ }
+
/* Initialize the user's loop vars. */
gsi = gsi_start_bb (elem_body_bb);
expand_oacc_collapse_vars (fd, true, &gsi, counts, e_offset);
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 0309915..9011b65 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,9 @@
+2018-04-12 Cesar Philippidis <cesar@codesourcery.com>
+
+ PR middle-end/84955
+ * testsuite/libgomp.oacc-c-c++-common/pr84955.c: New test.
+ * testsuite/libgomp.oacc-fortran/pr84955.f90: New test.
+
2018-04-12 Jakub Jelinek <jakub@redhat.com>
PR target/85328