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tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop): Handle PHIs. 

2012-06-01  Richard Guenther  <rguenther@suse.de>

	* tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
	Handle PHIs.
	(classify_partition): Likewise.

From-SVN: r188106
This commit is contained in:
Richard Guenther 2012-06-01 11:38:10 +00:00 committed by Richard Biener
parent 30d55936c5
commit 9ca86fc371
2 changed files with 10 additions and 2 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2012-06-01 Richard Guenther <rguenther@suse.de>
* tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
Handle PHIs.
(classify_partition): Likewise.
2012-06-01 Richard Guenther <rguenther@suse.de>
* tree-loop-distribution.c (enum partition_kind): New enum.

6
gcc/tree-loop-distribution.c
View File

@ -129,6 +129,9 @@ stmt_has_scalar_dependences_outside_loop (loop_p loop, gimple stmt)
def_operand_p def_p;
ssa_op_iter op_iter;
if (gimple_code (stmt) == GIMPLE_PHI)
return ssa_name_has_uses_outside_loop_p (gimple_phi_result (stmt), loop);
FOR_EACH_SSA_DEF_OPERAND (def_p, stmt, op_iter, SSA_OP_DEF)
if (ssa_name_has_uses_outside_loop_p (DEF_FROM_PTR (def_p), loop))
return true;
@ -813,8 +816,7 @@ classify_partition (loop_p loop, struct graph *rdg, partition_t partition)
/* If the stmt has uses outside of the loop fail.
??? If the stmt is generated in another partition that
is not created as builtin we can ignore this. */
if (gimple_code (stmt) != GIMPLE_PHI
&& stmt_has_scalar_dependences_outside_loop (loop, stmt))
if (stmt_has_scalar_dependences_outside_loop (loop, stmt))
{
if (dump_file && (dump_flags & TDF_DETAILS))
fprintf (dump_file, "not generating builtin, partition has "