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-rw-r--r--gcc/graphite.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/gcc/graphite.c b/gcc/graphite.c
index 8208d3d..e5f318d 100644
--- a/gcc/graphite.c
+++ b/gcc/graphite.c
@@ -38,6 +38,7 @@ along with GCC; see the file COPYING3. If not see
#include "tree-pass.h"
#include "params.h"
#include "pretty-print.h"
+#include "cfganal.h"
#ifdef HAVE_isl
#include "cfghooks.h"
@@ -350,6 +351,10 @@ graphite_transform_loops (void)
calculate_dominance_info (CDI_DOMINATORS);
+ /* We rely on post-dominators during merging of SESE regions so those
+ have to be meaningful. */
+ connect_infinite_loops_to_exit ();
+
ctx = isl_ctx_alloc ();
isl_options_set_on_error (ctx, ISL_ON_ERROR_ABORT);
the_isl_ctx = ctx;
@@ -368,6 +373,10 @@ graphite_transform_loops (void)
build_scops (&scops);
free_dominance_info (CDI_POST_DOMINATORS);
+ /* Remove the fake exits before transform given they are not reflected
+ in loop structures we end up verifying. */
+ remove_fake_exit_edges ();
+
if (dump_file && (dump_flags & TDF_DETAILS))
{
print_graphite_statistics (dump_file, scops);
@@ -428,7 +437,6 @@ graphite_transform_loops (void)
release_recorded_exits (cfun);
tree_estimate_probability (false);
}
-
}
#else /* If isl is not available: #ifndef HAVE_isl. */