From patchwork Fri Nov 30 12:31:46 2012
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Subject: Do not allocate PRE value-ids in get_expr_value_id
Date: Fri, 30 Nov 2012 02:31:46 -0000
From: Richard Guenther <rguenther@suse.de>
X-Patchwork-Id: 202931
Message-Id: <alpine.LNX.2.00.1211301330580.8142@zhemvz.fhfr.qr>
To: gcc-patches@gcc.gnu.org

Still verifying some of my PRE assumtions by making the code less
obscure ...

Bootstrapped and tested on x86_64-unknown-linux-gnu, applied.

Richard.

2012-11-30  Richard Biener  <rguenther@suse.de>

	* tree-ssa-pre.c (get_expr_value_id): Do not allocate value-ids
	here.


Index: gcc/tree-ssa-pre.c
===================================================================
--- gcc/tree-ssa-pre.c	(revision 193990)
+++ gcc/tree-ssa-pre.c	(working copy)
@@ -616,7 +616,7 @@ get_expr_value_id (pre_expr expr)
   switch (expr->kind)
     {
     case CONSTANT:
-      id = get_or_alloc_constant_value_id (PRE_EXPR_CONSTANT (expr));
+      id = get_constant_value_id (PRE_EXPR_CONSTANT (expr));
       break;
     case NAME:
       id = VN_INFO (PRE_EXPR_NAME (expr))->value_id;