iropt: Remove repeated get_irn_irg().

[libfirm] / ir / ir / irssacons.c

diff --git a/ir/ir/irssacons.c b/ir/ir/irssacons.c
index 930fc74..afe1819 100644 (file)
--- a/ir/ir/irssacons.c
+++ b/ir/ir/irssacons.c
@@ -39,23 +39,18 @@ static void (*ssa_cons_walker)(ir_graph *, irg_walk_func *, irg_walk_func *, voi
  */
 static void prepare_blocks(ir_node *block, void *env)
 {
-       unsigned        n_loc = current_ir_graph->n_loc;
-       struct obstack *obst  = current_ir_graph->obst;
+       ir_graph *const irg   = get_Block_irg(block);
+       unsigned  const n_loc = irg->n_loc;
        (void)env;
        /* reset mature flag */
        set_Block_matured(block, 0);
-       block->attr.block.graph_arr = NEW_ARR_D(ir_node *, obst, n_loc);
-       memset(block->attr.block.graph_arr, 0, sizeof(ir_node*) * n_loc);
+       block->attr.block.graph_arr = NEW_ARR_DZ(ir_node*, get_irg_obstack(irg), n_loc);
        set_Block_phis(block, NULL);
 }
 
 void ssa_cons_start(ir_graph *irg, int n_loc)
 {
-       /* for now we support only phase_high graphs */
-       assert(irg->phase_state == phase_high);
-
-       /* reset the phase to phase building: some optimization might depend on it */
-       set_irg_phase_state(irg, phase_building);
+       add_irg_constraints(irg, IR_GRAPH_CONSTRAINT_CONSTRUCTION);
 
        irg_set_nloc(irg, n_loc);
 
@@ -74,8 +69,7 @@ static void finish_block(ir_node *block, void *env)
 {
        (void)env;
 
-       if (!get_Block_matured(block))
-               mature_immBlock(block);
+       mature_immBlock(block);
 }
 
 void ssa_cons_finish(ir_graph *irg)