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tree-cfg.c (cleanup_tree_cfg): Remove variable something_changed. 

* tree-cfg.c (cleanup_tree_cfg): Remove variable
	something_changed.  Simplify the while loop.

From-SVN: r88564
This commit is contained in:
Kazu Hirata 2004-10-05 18:48:44 +00:00 committed by Kazu Hirata
parent fdd5d9e2ec
commit 1111ad788a
2 changed files with 8 additions and 8 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2004-10-05 Kazu Hirata <kazu@cs.umass.edu>
* tree-cfg.c (cleanup_tree_cfg): Remove variable
something_changed. Simplify the while loop.
2004-10-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* builtins.c (expand_builtin_memmove): Delete duplicate code

11
gcc/tree-cfg.c
View File

@ -712,7 +712,6 @@ make_goto_expr_edges (basic_block bb)
bool
cleanup_tree_cfg (void)
{
bool something_changed = true;
bool retval = false;
timevar_push (TV_TREE_CLEANUP_CFG);
@ -723,16 +722,12 @@ cleanup_tree_cfg (void)
/* thread_jumps() sometimes leaves further transformation
opportunities for itself, so iterate on it until nothing
changes. */
while (something_changed)
while (thread_jumps ())
{
something_changed = thread_jumps ();
/* delete_unreachable_blocks() does its job only when
thread_jumps() produces more unreachable blocks. */
if (something_changed)
delete_unreachable_blocks ();
retval |= something_changed;
delete_unreachable_blocks ();
retval = true;
}
#ifdef ENABLE_CHECKING