From 9ca86fc37119cfff2ddad79a3148fade09f0615b Mon Sep 17 00:00:00 2001 From: Richard Guenther Date: Fri, 1 Jun 2012 11:38:10 +0000 Subject: [PATCH] tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop): Handle PHIs. 2012-06-01 Richard Guenther * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop): Handle PHIs. (classify_partition): Likewise. From-SVN: r188106 --- gcc/ChangeLog | 6 ++++++ gcc/tree-loop-distribution.c | 6 ++++-- 2 files changed, 10 insertions(+), 2 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c7a656516d1..12541e8f7a9 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2012-06-01 Richard Guenther + + * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop): + Handle PHIs. + (classify_partition): Likewise. + 2012-06-01 Richard Guenther * tree-loop-distribution.c (enum partition_kind): New enum. diff --git a/gcc/tree-loop-distribution.c b/gcc/tree-loop-distribution.c index 84a871736fb..92464a6b1e8 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 " -- 2.30.2