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ifcvt.c (find_if_block): Move the check for the number of edges above the loops checking for complex edges.

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2004-11-18  Andrew Pinski  <pinskia@physics.uc.edu>

        * ifcvt.c (find_if_block): Move the check for the number of edges
        above the loops checking for complex edges.
        Remove the counting of edges as we use EDGE_COUNT now.

From-SVN: r90865
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Andrew Pinski 2004-11-18 14:44:54 +00:00 committed by Andrew Pinski
parent 3afb0820ca
commit 9ef8069a0c
2 changed files with 20 additions and 20 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2004-11-18 Andrew Pinski <pinskia@physics.uc.edu>
* ifcvt.c (find_if_block): Move the check for the number of edges
above the loops checking for complex edges.
Remove the counting of edges as we use EDGE_COUNT now.
2004-11-18 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.comn>
* config/m32r/linux.h (TARGET_ASM_FILE_END): Set

34
gcc/ifcvt.c
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@ -2445,8 +2445,6 @@ find_if_block (struct ce_if_block * ce_info)
basic_block then_bb = ce_info->then_bb;
basic_block else_bb = ce_info->else_bb;
basic_block join_bb = NULL_BLOCK;
int then_predecessors;
int else_predecessors;
edge cur_edge;
basic_block next;
edge_iterator ei;
@ -2511,27 +2509,23 @@ find_if_block (struct ce_if_block * ce_info)
}
}
/* Count the number of edges the THEN and ELSE blocks have. */
then_predecessors = 0;
FOR_EACH_EDGE (cur_edge, ei, then_bb->preds)
{
then_predecessors++;
if (cur_edge->flags & EDGE_COMPLEX)
return FALSE;
}
else_predecessors = 0;
FOR_EACH_EDGE (cur_edge, ei, else_bb->preds)
{
else_predecessors++;
if (cur_edge->flags & EDGE_COMPLEX)
return FALSE;
}
/* The THEN block of an IF-THEN combo must have exactly one predecessor,
other than any || blocks which jump to the THEN block. */
if ((then_predecessors - ce_info->num_or_or_blocks) != 1)
if ((EDGE_COUNT (then_bb->preds) - ce_info->num_or_or_blocks) != 1)
return FALSE;
/* The edges of the THEN and ELSE blocks cannot have complex edges. */
FOR_EACH_EDGE (cur_edge, ei, then_bb->preds)
{
if (cur_edge->flags & EDGE_COMPLEX)
return FALSE;
}
FOR_EACH_EDGE (cur_edge, ei, else_bb->preds)
{
if (cur_edge->flags & EDGE_COMPLEX)
return FALSE;
}
/* The THEN block of an IF-THEN combo must have zero or one successors. */
if (EDGE_COUNT (then_bb->succs) > 0