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[patch] tree-ssa-dom.c: Remove an obsolete comment.
- From: Kazu Hirata <kazu at cs dot umass dot edu>
- To: gcc-patches at gcc dot gnu dot org
- Date: Thu, 31 Mar 2005 16:01:28 -0500 (EST)
- Subject: [patch] tree-ssa-dom.c: Remove an obsolete comment.
Hi,
Attached is a patch to remove an obsolete comment.
What the comment is referring to is good old days when we didn't have
O(1) PHI argument lookup.
Committed as obvious.
Kazu Hirata
2005-03-31 Kazu Hirata <kazu@cs.umass.edu>
* tree-ssa-dom.c (cprop_into_successor_phis): Remove an
obsolete comment.
Index: tree-ssa-dom.c
===================================================================
RCS file: /cvs/gcc/gcc/gcc/tree-ssa-dom.c,v
retrieving revision 2.100
diff -u -d -p -r2.100 tree-ssa-dom.c
--- tree-ssa-dom.c 11 Mar 2005 09:05:08 -0000 2.100
+++ tree-ssa-dom.c 31 Mar 2005 20:45:25 -0000
@@ -2376,8 +2376,6 @@ cprop_into_successor_phis (basic_block b
edge e;
edge_iterator ei;
- /* This can get rather expensive if the implementation is naive in
- how it finds the phi alternative associated with a particular edge. */
FOR_EACH_EDGE (e, ei, bb->succs)
{
tree phi;