From: Aditya Kumar <aditya.k7@samsung.com>
Date: Fri, 6 Nov 2015 20:43:52 +0000 (+0000)
Subject: do not collect cold loops in scops
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b4487cbc5eb352e5ab198bca6edd71e4467befa5;p=gcc.git

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 <s.pop@samsung.com>

From-SVN: r229890
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 04bc2b49659..c5c9eedd864 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2015-11-06  Aditya Kumar  <aditya.k7@samsung.com>
+	    Sebastian Pop  <s.pop@samsung.com>
+
+	* graphite-scop-detection.c (loop_is_valid_scop): Call
+	optimize_loop_nest_for_speed_p.
+
 2015-11-06  Aditya Kumar  <aditya.k7@samsung.com>
 	    Sebastian Pop  <s.pop@samsung.com>
 
diff --git a/gcc/graphite-scop-detection.c b/gcc/graphite-scop-detection.c
index b1f2ebc20a2..9fb82645501 100644
--- 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_"