From: Kazu Hirata <kazu@cs.umass.edu>
Date: Tue, 23 Nov 2004 22:38:07 +0000 (+0000)
Subject: tree-cfg.c (tree_forwarder_block_p): Speed up by reordering two checks.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=91d9ede4ef0bd904b21dd49621f3df13be8c9254;p=gcc.git

tree-cfg.c (tree_forwarder_block_p): Speed up by reordering two checks.

	* tree-cfg.c (tree_forwarder_block_p): Speed up by reordering
	two checks.

From-SVN: r91108
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index dbc9d4cc9e9..a16e9b6f041 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2004-11-23  Kazu Hirata  <kazu@cs.umass.edu>
+
+	* tree-cfg.c (tree_forwarder_block_p): Speed up by reordering
+	two checks.
+
 2004-11-23  Zack Weinberg  <zack@codesourcery.com>
 
 	* function.h (struct function): Remove calls_longjmp.
diff --git a/gcc/tree-cfg.c b/gcc/tree-cfg.c
index bcd025f717d..aa4ba4664df 100644
--- a/gcc/tree-cfg.c
+++ b/gcc/tree-cfg.c
@@ -3907,9 +3907,6 @@ tree_forwarder_block_p (basic_block bb)
   gcc_assert (bb != ENTRY_BLOCK_PTR);
 #endif
 
-  if (find_edge (ENTRY_BLOCK_PTR, bb))
-    return false;
-
   /* Now walk through the statements.  We can ignore labels, anything else
      means this is not a forwarder block.  */
   for (bsi = bsi_start (bb); !bsi_end_p (bsi); bsi_next (&bsi))
@@ -3928,6 +3925,9 @@ tree_forwarder_block_p (basic_block bb)
 	}
     }
 
+  if (find_edge (ENTRY_BLOCK_PTR, bb))
+    return false;
+
   return true;
 }