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* ifcvt.c (find_if_case_1): Revert 2005-01-04 change. 

From-SVN: r92970
This commit is contained in:
Roger Sayle 2005-01-05 21:13:08 +00:00 committed by Roger Sayle
parent ea97f102ef
commit 65a878f5db
2 changed files with 5 additions and 15 deletions
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4
gcc/ChangeLog
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@ -1,3 +1,7 @@
2005-01-05 Roger Sayle <roger@eyesopen.com>
* ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
2005-01-05 Jan Hubicka <jh@suse.cz>
Richard Henderson <rth@redhat.com>

16
gcc/ifcvt.c
View File

@ -2927,21 +2927,7 @@ find_if_case_1 (basic_block test_bb, edge then_edge, edge else_edge)
else_bb->global_live_at_start,
then_bb->global_live_at_end);
/* We can avoid creating a new basic block if then_bb is immediately
followed by else_bb, i.e. deleting then_bb allows test_bb to fall
thru to else_bb. */
if (then_bb->next_bb == else_bb
&& then_bb->prev_bb == test_bb)
{
redirect_edge_succ (FALLTHRU_EDGE (test_bb), else_bb);
new_bb = 0;
}
else
new_bb = redirect_edge_and_branch_force (FALLTHRU_EDGE (test_bb),
else_bb);
new_bb = redirect_edge_and_branch_force (FALLTHRU_EDGE (test_bb), else_bb);
then_bb_index = then_bb->index;
delete_basic_block (then_bb);