diff options
Diffstat (limited to 'gcc/tree-ssa-loop-im.c')
| -rw-r--r-- | gcc/tree-ssa-loop-im.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/gcc/tree-ssa-loop-im.c b/gcc/tree-ssa-loop-im.c index 0d82d36..9b1b815 100644 --- a/gcc/tree-ssa-loop-im.c +++ b/gcc/tree-ssa-loop-im.c @@ -958,14 +958,14 @@ public: invariantness_dom_walker (cdi_direction direction) : dom_walker (direction) {} - virtual void before_dom_children (basic_block); + virtual edge before_dom_children (basic_block); }; /* Determine the outermost loops in that statements in basic block BB are invariant, and record them to the LIM_DATA associated with the statements. Callback for dom_walker. */ -void +edge invariantness_dom_walker::before_dom_children (basic_block bb) { enum move_pos pos; @@ -976,7 +976,7 @@ invariantness_dom_walker::before_dom_children (basic_block bb) struct lim_aux_data *lim_data; if (!loop_outer (bb->loop_father)) - return; + return NULL; if (dump_file && (dump_flags & TDF_DETAILS)) fprintf (dump_file, "Basic block %d (loop %d -- depth %d):\n\n", @@ -1094,6 +1094,7 @@ invariantness_dom_walker::before_dom_children (basic_block bb) if (lim_data->cost >= LIM_EXPENSIVE) set_profitable_level (stmt); } + return NULL; } class move_computations_dom_walker : public dom_walker @@ -1102,7 +1103,7 @@ public: move_computations_dom_walker (cdi_direction direction) : dom_walker (direction), todo_ (0) {} - virtual void before_dom_children (basic_block); + virtual edge before_dom_children (basic_block); unsigned int todo_; }; @@ -1111,7 +1112,7 @@ public: data stored in LIM_DATA structures associated with each statement. Callback for walk_dominator_tree. */ -void +edge move_computations_dom_walker::before_dom_children (basic_block bb) { struct loop *level; @@ -1119,7 +1120,7 @@ move_computations_dom_walker::before_dom_children (basic_block bb) struct lim_aux_data *lim_data; if (!loop_outer (bb->loop_father)) - return; + return NULL; for (gphi_iterator bsi = gsi_start_phis (bb); !gsi_end_p (bsi); ) { @@ -1265,6 +1266,7 @@ move_computations_dom_walker::before_dom_children (basic_block bb) else gsi_insert_on_edge (e, stmt); } + return NULL; } /* Hoist the statements out of the loops prescribed by data stored in |