From: Jan Hubicka <jh@suse.cz>
Date: Sat, 30 Dec 2006 12:15:16 +0000 (+0100)
Subject: ipa-pure-const.c (check_operand): SSA_NAME is safe.
X-Git-Tag: releases/gcc-4.3.0~7789
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=54e7d067d5f79ec637ca301e69b70665df0d16dd;p=thirdparty%2Fgcc.git

ipa-pure-const.c (check_operand): SSA_NAME is safe.

	* ipa-pure-const.c (check_operand): SSA_NAME is safe.
	* ipa-type-escape.c (scan_for_refs): Look into SSA_NAMEs.

From-SVN: r120286
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 83440dd795bb..b7bae1a1cfdc 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2006-12-30  Jan Hubicka  <jh@suse.cz>
+
+	* ipa-pure-const.c (check_operand): SSA_NAME is safe.
+	* ipa-type-escape.c (scan_for_refs): Look into SSA_NAMEs.
+
 2006-12-30  Jan Hubicka  <jh@suse.cz>
 
 	* tree.h (DECL_CALL_CLOBBERED): Remove.
diff --git a/gcc/ipa-pure-const.c b/gcc/ipa-pure-const.c
index bd1d72b75067..5f19af8c61ea 100644
--- a/gcc/ipa-pure-const.c
+++ b/gcc/ipa-pure-const.c
@@ -163,7 +163,8 @@ check_operand (funct_state local,
 static void
 check_tree (funct_state local, tree t, bool checking_write)
 {
-  if ((TREE_CODE (t) == EXC_PTR_EXPR) || (TREE_CODE (t) == FILTER_EXPR))
+  if ((TREE_CODE (t) == EXC_PTR_EXPR) || (TREE_CODE (t) == FILTER_EXPR)
+      || TREE_CODE (t) == SSA_NAME)
     return;
 
   /* Any tree which is volatile disqualifies thie function from being
diff --git a/gcc/ipa-type-escape.c b/gcc/ipa-type-escape.c
index a7749f46a27a..7b2fac104bc7 100644
--- a/gcc/ipa-type-escape.c
+++ b/gcc/ipa-type-escape.c
@@ -1267,7 +1267,11 @@ scan_for_refs (tree *tp, int *walk_subtrees, void *data)
 		   result so we do mark the resulting cast as being
 		   bad.  */
 		if (check_call (rhs))
-		  bitmap_set_bit (results_of_malloc, DECL_UID (lhs));
+		  {
+		    if (TREE_CODE (lhs) == SSA_NAME)
+		      lhs = SSA_NAME_VAR (lhs);
+		    bitmap_set_bit (results_of_malloc, DECL_UID (lhs));
+		  }
 		break;
 	      default:
 		break;