do not collect cold loops in scops

* graphite-scop-detection.c (loop_is_valid_scop): Call optimize_loop_nest_for_speed_p. Co-Authored-By: Sebastian Pop <[email protected]> From-SVN: r229890
SNU-ARC · Nov 6, 2015 · b4487cb · b4487cb
1 parent 40856c7
commit b4487cb
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diff --git a/gcc/ChangeLog b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2015-11-06  Aditya Kumar  <[email protected]>
+	    Sebastian Pop  <[email protected]>
+
+	* graphite-scop-detection.c (loop_is_valid_scop): Call
+	optimize_loop_nest_for_speed_p.
+
 2015-11-06  Aditya Kumar  <[email protected]>
 	    Sebastian Pop  <[email protected]>
 

diff --git a/gcc/graphite-scop-detection.c b/gcc/graphite-scop-detection.c
@@ -959,6 +959,13 @@ scop_detection::loop_is_valid_scop (loop_p loop, sese_l scop) const
   if (!scop)
     return false;
 
+  if (!optimize_loop_nest_for_speed_p (loop))
+    {
+      DEBUG_PRINT (dp << "[scop-detection-fail] loop_"
+		      << loop->num << " is not on a hot path.\n");
+      return false;
+    }
+
   if (!can_represent_loop (loop, scop))
     {
       DEBUG_PRINT (dp << "[scop-detection-fail] cannot represent loop_"