From: Eric Botcazou <ebotcazou@adacore.com>
Date: Fri, 17 Oct 2014 19:53:18 +0000 (+0000)
Subject: ipa-inline-transform.c (master_clone_with_noninline_clones_p): New.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=d83fa499b9895618ae8f63c004f3090b71d488ae;p=gcc.git

ipa-inline-transform.c (master_clone_with_noninline_clones_p): New.

	* ipa-inline-transform.c (master_clone_with_noninline_clones_p): New.
	(clone_inlined_nodes): Do not overwrite the clone if above predicate
	returns true.

From-SVN: r216415
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index af39978c997..b2a8e7a2a6f 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2014-10-17  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* ipa-inline-transform.c (master_clone_with_noninline_clones_p): New.
+	(clone_inlined_nodes): Do not overwrite the clone if above predicate
+	returns true.
+
 2014-10-17  Ilya Tocar  <ilya.tocar@intel.com>
 
 	* config/i386/i386.c (MAX_VECT_LEN): Move earlier.
diff --git a/gcc/ipa-inline-transform.c b/gcc/ipa-inline-transform.c
index 4b0fcad396f..1cb4c0520e8 100644
--- a/gcc/ipa-inline-transform.c
+++ b/gcc/ipa-inline-transform.c
@@ -122,6 +122,20 @@ can_remove_node_now_p (struct cgraph_node *node, struct cgraph_edge *e)
   return true;
 }
 
+/* Return true if NODE is a master clone with non-inline clones.  */
+
+static bool
+master_clone_with_noninline_clones_p (struct cgraph_node *node)
+{
+  if (node->clone_of)
+    return false;
+
+  for (struct cgraph_node *n = node->clones; n; n = n->next_sibling_clone)
+    if (n->decl != node->decl)
+      return true;
+
+  return false;
+}
 
 /* E is expected to be an edge being inlined.  Clone destination node of
    the edge and redirect it to the new clone.
@@ -155,7 +169,10 @@ clone_inlined_nodes (struct cgraph_edge *e, bool duplicate,
 	  /* Recursive inlining never wants the master clone to
 	     be overwritten.  */
 	  && update_original
-	  && can_remove_node_now_p (e->callee, e))
+	  && can_remove_node_now_p (e->callee, e)
+	  /* We cannot overwrite a master clone with non-inline clones
+	     until after these clones are materialized.  */
+	  && !master_clone_with_noninline_clones_p (e->callee))
 	{
 	  /* TODO: When callee is in a comdat group, we could remove all of it,
 	     including all inline clones inlined into it.  That would however