From: Jan Hubicka <hubicka@ucw.cz>
Date: Thu, 23 Nov 2017 15:52:50 +0000 (+0100)
Subject: cgraphclones.c (cgraph_node::create_clone): Fix updating of profile when inlining.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8f58dbd171388efd96d61408a1de7b99bd95f627;p=gcc.git

cgraphclones.c (cgraph_node::create_clone): Fix updating of profile when inlining.

	* cgraphclones.c (cgraph_node::create_clone): Fix updating of profile
	when inlining.

From-SVN: r255102
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 39486ff2612..1ac0ef029a8 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2017-11-23  Jan Hubicka  <hubicka@ucw.cz>
+
+	* cgraphclones.c (cgraph_node::create_clone): Fix updating of profile
+	when inlining.
+
 2017-11-23  Tom de Vries  <tom@codesourcery.com>
 
 	* config/sh/sh.h (ASM_OUTPUT_ADDR_VEC_ELT): Wrap in "do {} while (0)".
diff --git a/gcc/cgraphclones.c b/gcc/cgraphclones.c
index ef39d85e88c..0e7e35bbc44 100644
--- a/gcc/cgraphclones.c
+++ b/gcc/cgraphclones.c
@@ -428,7 +428,10 @@ cgraph_node::create_clone (tree new_decl, profile_count prof_count,
   if (new_inlined_to)
     dump_callgraph_transformation (this, new_inlined_to, "inlining to");
 
-  prof_count = count.combine_with_ipa_count (prof_count);
+  /* When inlining we scale precisely to prof_count, when cloning we can
+     preserve local profile.  */
+  if (!new_inlined_to)
+    prof_count = count.combine_with_ipa_count (prof_count);
   new_node->count = prof_count;
 
   /* Update IPA profile.  Local profiles need no updating in original.  */