irdump: dump interfaces take const ir_node* now
[libfirm] / ir / opt / opt_inline.c
index 6c5e336..6c5576a 100644 (file)
@@ -21,7 +21,6 @@
  * @file
  * @brief    Dead node elimination and Procedure Inlining.
  * @author   Michael Beck, Goetz Lindenmaier
- * @version  $Id$
  */
 #include "config.h"
 
@@ -63,7 +62,7 @@
 #include "irtools.h"
 #include "iropt_dbg.h"
 #include "irpass_t.h"
-#include "irphase_t.h"
+#include "irnodemap.h"
 
 DEBUG_ONLY(static firm_dbg_module_t *dbg;)
 
@@ -146,7 +145,13 @@ static void find_addr(ir_node *node, void *env)
 {
        bool *allow_inline = (bool*)env;
 
-       if (is_Sel(node)) {
+       if (is_Block(node) && get_Block_entity(node)) {
+               /**
+                * Currently we can't handle blocks whose address was taken correctly
+                * when inlining
+                */
+               *allow_inline = false;
+       } else if (is_Sel(node)) {
                ir_graph *irg = current_ir_graph;
                if (get_Sel_ptr(node) == get_irg_frame(irg)) {
                        /* access to frame */
@@ -155,6 +160,9 @@ static void find_addr(ir_node *node, void *env)
                                /* access to value_type */
                                *allow_inline = false;
                        }
+                       if (is_parameter_entity(ent)) {
+                               *allow_inline = false;
+                       }
                }
        } else if (is_Alloc(node) && get_Alloc_where(node) == stack_alloc) {
                /* From GCC:
@@ -291,6 +299,7 @@ static void copy_frame_entities(ir_graph *from, ir_graph *to)
                ir_entity *old_ent = get_class_member(from_frame, i);
                ir_entity *new_ent = copy_entity_own(old_ent, to_frame);
                set_entity_link(old_ent, new_ent);
+               assert (!is_parameter_entity(old_ent));
        }
 }
 
@@ -343,10 +352,11 @@ int inline_method(ir_node *call, ir_graph *called_graph)
        assert(get_irg_phase_state(irg) != phase_building);
        assert(get_irg_pinned(irg) == op_pin_state_pinned);
        assert(get_irg_pinned(called_graph) == op_pin_state_pinned);
-       set_irg_extblk_inconsistent(irg);
-       set_irg_doms_inconsistent(irg);
+       clear_irg_state(irg, IR_GRAPH_STATE_CONSISTENT_DOMINANCE
+                          | IR_GRAPH_STATE_VALID_EXTENDED_BLOCKS
+                          | IR_GRAPH_STATE_CONSISTENT_ENTITY_USAGE);
        set_irg_callee_info_state(irg, irg_callee_info_inconsistent);
-       set_irg_entity_usage_state(irg, ir_entity_usage_not_computed);
+       clear_irg_state(irg, IR_GRAPH_STATE_CONSISTENT_ENTITY_USAGE);
        edges_deactivate(irg);
 
        /* here we know we WILL inline, so inform the statistics */
@@ -656,8 +666,8 @@ static ir_graph *get_call_called_irg(ir_node *call)
        ir_node *addr;
 
        addr = get_Call_ptr(call);
-       if (is_Global(addr)) {
-               ir_entity *ent = get_Global_entity(addr);
+       if (is_SymConst_addr_ent(addr)) {
+               ir_entity *ent = get_SymConst_entity(addr);
                /* we don't know which function gets finally bound to a weak symbol */
                if (get_entity_linkage(ent) & IR_LINKAGE_WEAK)
                        return NULL;
@@ -842,8 +852,8 @@ static void collect_calls2(ir_node *call, void *ctx)
        if (env->ignore_runtime) {
                ir_node *symc = get_Call_ptr(call);
 
-               if (is_Global(symc)) {
-                       ir_entity *ent = get_Global_entity(symc);
+               if (is_SymConst_addr_ent(symc)) {
+                       ir_entity *ent = get_SymConst_entity(symc);
 
                        if (get_entity_additional_properties(ent) & mtp_property_runtime)
                                return;
@@ -985,7 +995,7 @@ void inline_leave_functions(unsigned maxsize, unsigned leavesize,
                assert(get_irg_phase_state(irg) != phase_building);
                free_callee_info(irg);
 
-               assure_cf_loop(irg);
+               assure_loopinfo(irg);
                wenv.x = (inline_irg_env*)get_irg_link(irg);
                irg_walk_graph(irg, NULL, collect_calls2, &wenv);
        }
@@ -1112,7 +1122,7 @@ void inline_leave_functions(unsigned maxsize, unsigned leavesize,
                                        callee_env = alloc_inline_irg_env();
                                        set_irg_link(copy, callee_env);
 
-                                       assure_cf_loop(copy);
+                                       assure_loopinfo(copy);
                                        wenv.x              = callee_env;
                                        wenv.ignore_callers = 1;
                                        irg_walk_graph(copy, NULL, collect_calls2, &wenv);
@@ -1357,10 +1367,12 @@ static int calc_inline_benefice(call_entry *entry, ir_graph *callee)
 {
        ir_node   *call = entry->call;
        ir_entity *ent  = get_irg_entity(callee);
+       ir_type   *callee_frame;
+       size_t    i, n_members, n_params;
        ir_node   *frame_ptr;
        ir_type   *mtp;
        int       weight = 0;
-       int       i, n_params, all_const;
+       int       all_const;
        unsigned  cc, v;
        irg_inline_property prop;
 
@@ -1373,6 +1385,18 @@ static int calc_inline_benefice(call_entry *entry, ir_graph *callee)
                return entry->benefice = INT_MIN;
        }
 
+       callee_frame = get_irg_frame_type(callee);
+       n_members = get_class_n_members(callee_frame);
+       for (i = 0; i < n_members; ++i) {
+               ir_entity *frame_ent = get_class_member(callee_frame, i);
+               if (is_parameter_entity(frame_ent)) {
+                       // TODO inliner should handle parameter entities by inserting Store operations
+                       DB((dbg, LEVEL_2, "In %+F Call to %+F: inlining forbidden due to parameter entity\n", call, callee));
+                       set_irg_inline_property(callee, irg_inline_forbidden);
+                       return entry->benefice = INT_MIN;
+               }
+       }
+
        if (get_irg_additional_properties(callee) & mtp_property_noreturn) {
                DB((dbg, LEVEL_2, "In %+F Call to %+F: not inlining noreturn or weak\n",
                    call, callee));
@@ -1385,7 +1409,7 @@ static int calc_inline_benefice(call_entry *entry, ir_graph *callee)
        cc       = get_method_calling_convention(mtp);
        if (cc & cc_reg_param) {
                /* register parameter, smaller costs for register parameters */
-               int max_regs = cc & ~cc_bits;
+               size_t max_regs = cc & ~cc_bits;
 
                if (max_regs < n_params)
                        weight += max_regs * 2 + (n_params - max_regs) * 5;
@@ -1634,7 +1658,7 @@ static void inline_into(ir_graph *irg, unsigned maxsize,
                        callee_env = alloc_inline_irg_env();
                        set_irg_link(copy, callee_env);
 
-                       assure_cf_loop(copy);
+                       assure_loopinfo(copy);
                        memset(&wenv, 0, sizeof(wenv));
                        wenv.x              = callee_env;
                        wenv.ignore_callers = 1;
@@ -1746,7 +1770,7 @@ void inline_functions(unsigned maxsize, int inline_threshold,
                free_callee_info(irg);
 
                wenv.x = (inline_irg_env*)get_irg_link(irg);
-               assure_cf_loop(irg);
+               assure_loopinfo(irg);
                irg_walk_graph(irg, NULL, collect_calls2, &wenv);
        }