From: Martin Jambor <mjambor@suse.cz>
Date: Thu, 28 Feb 2013 12:46:29 +0000 (+0100)
Subject: tree-sra.c (load_assign_lhs_subreplacements): Do not put replacements with no initial... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=f8f42513b06474966a1befff43dea81a7683b31a;p=gcc.git

tree-sra.c (load_assign_lhs_subreplacements): Do not put replacements with no initialization to the RHS of debug statements.

2013-02-28  Martin Jambor  <mjambor@suse.cz>

	* tree-sra.c (load_assign_lhs_subreplacements): Do not put replacements
	with no initialization to the RHS of debug statements.

From-SVN: r196341
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 55ab6edde32..c7c9dd03148 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2013-02-28  Martin Jambor  <mjambor@suse.cz>
+
+	* tree-sra.c (load_assign_lhs_subreplacements): Do not put replacements
+	with no initialization to the RHS of debug statements.
+
 2013-02-28  Martin Jambor  <mjambor@suse.cz>
 
 	PR tree-optimization/56294
diff --git a/gcc/tree-sra.c b/gcc/tree-sra.c
index 5d55d735402..67212c204c4 100644
--- a/gcc/tree-sra.c
+++ b/gcc/tree-sra.c
@@ -2870,7 +2870,12 @@ load_assign_lhs_subreplacements (struct access *lacc, struct access *top_racc,
 							    lacc->size);
 
 	      if (racc && racc->grp_to_be_replaced)
-		drhs = get_access_replacement (racc);
+		{
+		  if (racc->grp_write)
+		    drhs = get_access_replacement (racc);
+		  else
+		    drhs = NULL;
+		}
 	      else if (*refreshed == SRA_UDH_LEFT)
 		drhs = build_debug_ref_for_model (loc, lacc->base, lacc->offset,
 						  lacc);