X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fir%2Firgopt.c;h=1888d2889911687fe9ea4fc5270e6edeaa3ea414;hb=b4647d67ab7885d5da32c2a30242fbc4ed93d81b;hp=0f7437c3d43f3570eadd56093a4e6146272713e6;hpb=818856f8558cbee4f730e3b6b79795224aa4fda7;p=libfirm diff --git a/ir/ir/irgopt.c b/ir/ir/irgopt.c index 0f7437c3d..1888d2889 100644 --- a/ir/ir/irgopt.c +++ b/ir/ir/irgopt.c @@ -39,6 +39,7 @@ #include "adt/pdeq.h" +#include "irpass_t.h" #include "irflag_t.h" #include "iredges_t.h" #include "irtools.h" @@ -50,7 +51,8 @@ /** * A wrapper around optimize_inplace_2() to be called from a walker. */ -static void optimize_in_place_wrapper(ir_node *n, void *env) { +static void optimize_in_place_wrapper(ir_node *n, void *env) +{ ir_node *optimized = optimize_in_place_2(n); (void) env; @@ -67,26 +69,29 @@ static void optimize_in_place_wrapper(ir_node *n, void *env) { * * @note current_ir_graph must be set */ -static inline void do_local_optimize(ir_node *n) { +static inline void do_local_optimize(ir_node *n) +{ + ir_graph *irg = get_irn_irg(n); + /* Handle graph state */ - assert(get_irg_phase_state(current_ir_graph) != phase_building); + assert(get_irg_phase_state(irg) != phase_building); if (get_opt_global_cse()) - set_irg_pinned(current_ir_graph, op_pin_state_floats); - set_irg_outs_inconsistent(current_ir_graph); - set_irg_doms_inconsistent(current_ir_graph); - set_irg_loopinfo_inconsistent(current_ir_graph); + set_irg_pinned(irg, op_pin_state_floats); + set_irg_outs_inconsistent(irg); + set_irg_doms_inconsistent(irg); + set_irg_loopinfo_inconsistent(irg); /* Clean the value_table in irg for the CSE. */ - del_identities(current_ir_graph->value_table); - current_ir_graph->value_table = new_identities(); + new_identities(irg); /* walk over the graph */ irg_walk(n, firm_clear_link, optimize_in_place_wrapper, NULL); } /* Applies local optimizations (see iropt.h) to all nodes reachable from node n */ -void local_optimize_node(ir_node *n) { +void local_optimize_node(ir_node *n) +{ ir_graph *rem = current_ir_graph; current_ir_graph = get_irn_irg(n); @@ -98,7 +103,8 @@ void local_optimize_node(ir_node *n) { /** * Block-Walker: uses dominance depth to mark dead blocks. */ -static void kill_dead_blocks(ir_node *block, void *env) { +static void kill_dead_blocks(ir_node *block, void *env) +{ (void) env; if (get_Block_dom_depth(block) < 0) { @@ -111,7 +117,8 @@ static void kill_dead_blocks(ir_node *block, void *env) { } /* Applies local optimizations (see iropt.h) to all nodes reachable from node n. */ -void local_optimize_graph(ir_graph *irg) { +void local_optimize_graph(ir_graph *irg) +{ ir_graph *rem = current_ir_graph; current_ir_graph = irg; @@ -127,7 +134,8 @@ void local_optimize_graph(ir_graph *irg) { * Enqueue all users of a node to a wait queue. * Handles mode_T nodes. */ -static void enqueue_users(ir_node *n, pdeq *waitq) { +static void enqueue_users(ir_node *n, pdeq *waitq) +{ const ir_edge_t *edge; foreach_out_edge(n, edge) { @@ -150,7 +158,8 @@ static void enqueue_users(ir_node *n, pdeq *waitq) { * Optimizes all nodes and enqueue it's users * if done. */ -static void opt_walker(ir_node *n, void *env) { +static void opt_walker(ir_node *n, void *env) +{ pdeq *waitq = env; ir_node *optimized; @@ -164,7 +173,8 @@ static void opt_walker(ir_node *n, void *env) { } /* Applies local optimizations to all nodes in the graph until fixpoint. */ -int optimize_graph_df(ir_graph *irg) { +int optimize_graph_df(ir_graph *irg) +{ pdeq *waitq = new_pdeq(); ir_graph *rem = current_ir_graph; ir_node *end; @@ -175,11 +185,10 @@ int optimize_graph_df(ir_graph *irg) { state = edges_assure(irg); if (get_opt_global_cse()) - set_irg_pinned(current_ir_graph, op_pin_state_floats); + set_irg_pinned(irg, op_pin_state_floats); /* Clean the value_table in irg for the CSE. */ - del_identities(irg->value_table); - irg->value_table = new_identities(); + new_identities(irg); if (get_irg_dom_state(irg) == dom_consistent) irg_block_walk_graph(irg, NULL, kill_dead_blocks, NULL); @@ -220,3 +229,9 @@ int optimize_graph_df(ir_graph *irg) { current_ir_graph = rem; return changed; } + +/* Creates an ir_graph pass for optimize_graph_df. */ +ir_graph_pass_t *optimize_graph_df_pass(const char *name) +{ + return def_graph_pass_ret(name ? name : "optimize_graph_df", optimize_graph_df); +} /* optimize_graph_df_pass */