From 71797bf6e4dcb7f4e702743833dee08a40e80d93 Mon Sep 17 00:00:00 2001
From: kazu <kazu@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Mon, 21 Mar 2005 17:04:24 +0000
Subject: [PATCH] * tree-into-ssa.c: Remove obsolete comments.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@96813 138bc75d-0d04-0410-961f-82ee72b054a4
---
gcc/ChangeLog | 4 ++++
gcc/tree-into-ssa.c | 9 +++------
2 files changed, 7 insertions(+), 6 deletions(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 68a02d24975a..580e7bb8182b 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2005-03-21 Kazu Hirata <kazu@cs.umass.edu>
+
+ * tree-into-ssa.c: Remove obsolete comments.
+
2005-03-21 Richard Guenther <rguenth@gcc.gnu.org>
* tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
diff --git a/gcc/tree-into-ssa.c b/gcc/tree-into-ssa.c
index 37ad103c67f2..46470a407bbe 100644
--- a/gcc/tree-into-ssa.c
+++ b/gcc/tree-into-ssa.c
@@ -1271,9 +1271,8 @@ mark_def_site_blocks (void)
those variables are removed from the flow graph so that they can
be computed again.
- 2- Compute dominance frontier and immediate dominators, needed to
- insert PHI nodes and rename the function in dominator tree
- order.
+ 2- Compute dominance frontier, needed to insert PHI nodes and
+ rename the function in dominator tree order.
3- Find and mark all the blocks that define variables
(mark_def_site_blocks).
@@ -1319,9 +1318,7 @@ rewrite_into_ssa (bool all)
mark_def_site_blocks ();
- /* Initialize dominance frontier and immediate dominator bitmaps.
- Also count the number of predecessors for each block. Doing so
- can save significant time during PHI insertion for large graphs. */
+ /* Initialize dominance frontier. */
dfs = (bitmap *) xmalloc (last_basic_block * sizeof (bitmap *));
FOR_EACH_BB (bb)
dfs[bb->index] = BITMAP_ALLOC (NULL);
--
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