OpenE2K/gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

tree-ssa-sink.c (nearest_common_dominator_of_uses): Factor out common code.

Browse Source 
* tree-ssa-sink.c (nearest_common_dominator_of_uses): Factor
	out common code.

From-SVN: r99105
This commit is contained in:
Kazu Hirata 2005-05-02 16:57:53 +00:00 committed by Kazu Hirata
parent 075a0d5475
commit 000b62dcb8
2 changed files with 12 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
gcc/ChangeLog
View File

@ -5,6 +5,9 @@
Use VEC instead of VARRAY.
(equiv_free): New.
* tree-ssa-sink.c (nearest_common_dominator_of_uses): Factor
out common code.
2005-05-02 Paolo Bonzini <bonzini@gnu.org>
* c-common.c (resolve_overloaded_builtin): Forward to target

24
gcc/tree-ssa-sink.c
View File

@ -238,31 +238,25 @@ nearest_common_dominator_of_uses (tree stmt)
{
tree usestmt = USE_STMT (use_p);
basic_block useblock;
if (TREE_CODE (usestmt) == PHI_NODE)
{
int idx = PHI_ARG_INDEX_FROM_USE (use_p);
useblock = PHI_ARG_EDGE (usestmt, idx)->src;
/* Short circuit. Nothing dominates the entry block. */
if (useblock == ENTRY_BLOCK_PTR)
{
BITMAP_FREE (blocks);
return NULL;
}
bitmap_set_bit (blocks, useblock->index);
}
else
{
useblock = bb_for_stmt (usestmt);
/* Short circuit. Nothing dominates the entry block. */
if (useblock == ENTRY_BLOCK_PTR)
{
BITMAP_FREE (blocks);
return NULL;
}
bitmap_set_bit (blocks, useblock->index);
}
/* Short circuit. Nothing dominates the entry block. */
if (useblock == ENTRY_BLOCK_PTR)
{
BITMAP_FREE (blocks);
return NULL;
}
bitmap_set_bit (blocks, useblock->index);
}
}
commondom = BASIC_BLOCK (bitmap_first_set_bit (blocks));