From: Richard Biener <rguenther@suse.de>
Date: Fri, 8 Nov 2019 13:16:28 +0000 (+0000)
Subject: dbgcnt.def (ivopts_loop): Add.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=14df3a17aa243fd58be2aa03f787a2da5c94ae97;p=gcc.git

dbgcnt.def (ivopts_loop): Add.

2019-11-08  Richard Biener  <rguenther@suse.de>

	* dbgcnt.def (ivopts_loop): Add.
	* tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Check
	ivopts_loop before optimizing a loop.

From-SVN: r277973
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 89bb2040880..b00e473826e 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2019-11-08  Richard Biener  <rguenther@suse.de>
+
+	* dbgcnt.def (ivopts_loop): Add.
+	* tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Check
+	ivopts_loop before optimizing a loop.
+
 2019-11-08  Richard Biener  <rguenther@suse.de>
 
 	PR ipa/92409
diff --git a/gcc/dbgcnt.def b/gcc/dbgcnt.def
index 9455506343e..cbd437ea594 100644
--- a/gcc/dbgcnt.def
+++ b/gcc/dbgcnt.def
@@ -199,3 +199,4 @@ DEBUG_COUNTER (dom_unreachable_edges)
 DEBUG_COUNTER (match)
 DEBUG_COUNTER (store_merging)
 DEBUG_COUNTER (gimple_unroll)
+DEBUG_COUNTER (ivopts_loop)
diff --git a/gcc/tree-ssa-loop-ivopts.c b/gcc/tree-ssa-loop-ivopts.c
index 5938cfec08b..ceaa327e408 100644
--- a/gcc/tree-ssa-loop-ivopts.c
+++ b/gcc/tree-ssa-loop-ivopts.c
@@ -131,6 +131,7 @@ along with GCC; see the file COPYING3.  If not see
 #include "tree-ssa-address.h"
 #include "builtins.h"
 #include "tree-vectorizer.h"
+#include "dbgcnt.h"
 
 /* FIXME: Expressions are expanded to RTL in this pass to determine the
    cost of different addressing modes.  This should be moved to a TBD
@@ -8043,6 +8044,9 @@ tree_ssa_iv_optimize (void)
   /* Optimize the loops starting with the innermost ones.  */
   FOR_EACH_LOOP (loop, LI_FROM_INNERMOST)
     {
+      if (!dbg_cnt (ivopts_loop))
+	continue;
+
       if (dump_file && (dump_flags & TDF_DETAILS))
 	flow_loop_dump (loop, dump_file, NULL, 1);