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| author | Richard Guenther <rguenther@suse.de> | 2012-06-01 11:38:10 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2012-06-01 11:38:10 +0000 |
| commit | 9ca86fc37119cfff2ddad79a3148fade09f0615b (patch) | |
| tree | ce898c63a66c85bc6944e52c414a6587427c8e6f | |
| parent | 30d55936c5231f0e15104492cd979cc2ff84e0d4 (diff) | |
| download | gcc-9ca86fc37119cfff2ddad79a3148fade09f0615b.zip gcc-9ca86fc37119cfff2ddad79a3148fade09f0615b.tar.gz gcc-9ca86fc37119cfff2ddad79a3148fade09f0615b.tar.bz2 | |
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
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/tree-loop-distribution.c | 6 |
2 files changed, 10 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c7a6565..12541e8 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,11 @@ 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. (struct partition_s): Add kind and main_stmt members. (partition_alloc): Initialize kind to PKIND_NORMAL. diff --git a/gcc/tree-loop-distribution.c b/gcc/tree-loop-distribution.c index 84a8717..92464a6 100644 --- a/gcc/tree-loop-distribution.c +++ b/gcc/tree-loop-distribution.c @@ -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 " |