/*
- * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
+ * Copyright (C) 1995-2011 University of Karlsruhe. All right reserved.
*
* This file is part of libFirm.
*
* @file
* @brief Entry point to the representation of procedure code.
* @author Martin Trapp, Christian Schaefer, Goetz Lindenmaier, Michael Beck
- * @version $Id$
*/
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
+#include "config.h"
-#ifdef HAVE_STRING_H
-# include <string.h>
-#endif
-#ifdef HAVE_STDDEF_H
-# include <stddef.h>
-#endif
+#include <string.h>
+#include <stddef.h>
#include "xmalloc.h"
#include "ircons_t.h"
#include "irouts.h"
#include "irhooks.h"
#include "irtools.h"
+#include "util.h"
#include "irgwalk.h"
#include "irbackedge_t.h"
#include "iredges_t.h"
#include "type_t.h"
#include "irmemory.h"
+#include "iroptimize.h"
+#include "irgopt.h"
#define INITIAL_IDX_IRN_MAP_SIZE 1024
static size_t additional_graph_data_size = 0;
ir_graph *current_ir_graph;
-ir_graph *get_current_ir_graph(void) {
+ir_graph *get_current_ir_graph(void)
+{
return current_ir_graph;
}
-void set_current_ir_graph(ir_graph *graph) {
+void set_current_ir_graph(ir_graph *graph)
+{
current_ir_graph = graph;
}
-#ifdef INTERPROCEDURAL_VIEW
-int firm_interprocedural_view = 0;
-
-int (get_interprocedural_view)(void) {
- return _get_interprocedural_view();
-}
-
-void (set_interprocedural_view)(int state) {
- firm_interprocedural_view = state;
-
- /* set function vectors for faster access */
- if (state) {
- _get_irn_arity = _get_irn_inter_arity;
- _get_irn_n = _get_irn_inter_n;
- }
- else {
- _get_irn_arity = _get_irn_intra_arity;
- _get_irn_n = _get_irn_intra_n;
- }
-}
-#endif
-
/** contains the suffix for frame type names */
static ident *frame_type_suffix = NULL;
-/* initialize the IR graph module */
-void firm_init_irgraph(void) {
+void firm_init_irgraph(void)
+{
frame_type_suffix = new_id_from_str(FRAME_TP_SUFFIX);
forbid_new_data = 1;
}
* allocated (new_r_ir_graph, new_const_code_irg).
* @return Memory for a new graph.
*/
-static ir_graph *alloc_graph(void) {
+static ir_graph *alloc_graph(void)
+{
ir_graph *res;
size_t size = sizeof(ir_graph) + additional_graph_data_size;
- char *ptr = xmalloc(size);
- memset(ptr, 0, size);
+ char *ptr = XMALLOCNZ(char, size);
res = (ir_graph *)(ptr + additional_graph_data_size);
res->kind = k_ir_graph;
/**
* Frees an allocated IR graph
*/
-static void free_graph(ir_graph *irg) {
- char *ptr = (char *)irg;
+static void free_graph(ir_graph *irg)
+{
+ char *ptr = (char *)irg;
+ ir_edge_kind_t i;
+
+ for (i = EDGE_KIND_FIRST; i < EDGE_KIND_LAST; ++i)
+ edges_deactivate_kind(irg, i);
+ DEL_ARR_F(irg->idx_irn_map);
free(ptr - additional_graph_data_size);
}
-#if USE_EXPLICIT_PHI_IN_STACK
-/* really defined in ircons.c */
-typedef struct Phi_in_stack Phi_in_stack;
-Phi_in_stack *new_Phi_in_stack();
-void free_Phi_in_stack(Phi_in_stack *s);
-#endif
-
-/**
- * Set the number of locals for a given graph.
- *
- * @param irg the graph
- * @param n_loc number of locals
- */
-void irg_set_nloc(ir_graph *res, int n_loc) {
+void irg_set_nloc(ir_graph *res, int n_loc)
+{
assert(res->phase_state == phase_building);
- if (get_opt_precise_exc_context()) {
- res->n_loc = n_loc + 1 + 1; /* number of local variables that are never
- dereferenced in this graph plus one for
- the store plus one for links to fragile
- operations. n_loc is not the number of
- parameters to the procedure! */
- } else {
- res->n_loc = n_loc + 1; /* number of local variables that are never
- dereferenced in this graph plus one for
- the store. This is not the number of parameters
- to the procedure! */
- }
+ res->n_loc = n_loc + 1; /* number of local variables that are never
+ dereferenced in this graph plus one for
+ the store. This is not the number of
+ parameters to the procedure! */
+
if (res->loc_descriptions) {
xfree(res->loc_descriptions);
res->loc_descriptions = NULL;
}
}
-/* Allocates a list of nodes:
- - The start block containing a start node and Proj nodes for it's four
- results (X, M, P, Tuple).
- - The end block containing an end node. This block is not matured after
- new_ir_graph as predecessors need to be added to it.
- - The current block, which is empty and also not matured.
- Further it allocates several datastructures needed for graph construction
- and optimization.
-*/
-ir_graph *new_r_ir_graph(ir_entity *ent, int n_loc) {
+ir_graph *new_r_ir_graph(ir_entity *ent, int n_loc)
+{
ir_graph *res;
ir_node *first_block;
- ir_node *end, *start, *start_block, *initial_mem, *projX;
+ ir_node *start, *start_block, *initial_mem, *projX;
res = alloc_graph();
/* inform statistics here, as blocks will be already build on this graph */
hook_new_graph(res, ent);
- current_ir_graph = res;
-
/*-- initialized for each graph. --*/
res->kind = k_ir_graph;
res->obst = XMALLOC(struct obstack);
res->visited = 0; /* visited flag, for the ir walker */
res->block_visited = 0; /* visited flag, for the 'block'-walker */
-#if USE_EXPLICIT_PHI_IN_STACK
- res->Phi_in_stack = new_Phi_in_stack(); /* A stack needed for automatic Phi
- generation */
-#endif
- res->extbb_obst = NULL;
-
res->last_node_idx = 0;
- res->value_table = new_identities (); /* value table for global value
- numbering for optimizing use in iropt.c */
+ new_identities(res);
res->outs = NULL;
res->inline_property = irg_inline_any;
res->additional_properties = mtp_property_inherited; /* inherited from type */
res->irg_pinned_state = op_pin_state_pinned;
- res->outs_state = outs_none;
- res->dom_state = dom_none;
- res->pdom_state = dom_none;
res->typeinfo_state = ir_typeinfo_none;
set_irp_typeinfo_inconsistent(); /* there is a new graph with typeinfo_none. */
res->callee_info_state = irg_callee_info_none;
- res->loopinfo_state = loopinfo_none;
res->class_cast_state = ir_class_casts_transitive;
- res->extblk_state = ir_extblk_info_none;
- res->execfreq_state = exec_freq_none;
res->fp_model = fp_model_precise;
- res->entity_usage_state = ir_entity_usage_not_computed;
res->mem_disambig_opt = aa_opt_inherited;
/*-- Type information for the procedure of the graph --*/
set_entity_irg(ent, res);
/*-- a class type so that it can contain "inner" methods as in Pascal. --*/
- res->frame_type = new_type_frame(mangle(get_entity_ident(ent), frame_type_suffix));
+ res->frame_type = new_type_frame();
/* the Anchor node must be created first */
- res->anchor = new_Anchor(res);
+ res->anchor = new_r_Anchor(res);
/*-- Nodes needed in every graph --*/
- set_irg_end_block (res, new_immBlock());
- end = new_End();
- set_irg_end (res, end);
- set_irg_end_reg (res, end);
- set_irg_end_except(res, end);
+ set_irg_end_block(res, new_r_immBlock(res));
+ set_irg_end(res, new_r_End(res, 0, NULL));
- start_block = new_immBlock();
+ start_block = new_r_Block_noopt(res, 0, NULL);
set_irg_start_block(res, start_block);
- set_irg_bad (res, new_ir_node(NULL, res, start_block, op_Bad, mode_T, 0, NULL));
- set_irg_no_mem (res, new_ir_node(NULL, res, start_block, op_NoMem, mode_M, 0, NULL));
- start = new_Start();
+ set_irg_no_mem (res, new_r_NoMem(res));
+ start = new_r_Start(res);
set_irg_start (res, start);
/* Proj results of start node */
- projX = new_Proj(start, mode_X, pn_Start_X_initial_exec);
+ projX = new_r_Proj(start, mode_X, pn_Start_X_initial_exec);
set_irg_initial_exec (res, projX);
- set_irg_frame (res, new_Proj(start, mode_P_data, pn_Start_P_frame_base));
- set_irg_tls (res, new_Proj(start, mode_P_data, pn_Start_P_tls));
- set_irg_args (res, new_Proj(start, mode_T, pn_Start_T_args));
- set_irg_value_param_base(res, new_Proj(start, mode_P_data, pn_Start_P_value_arg_base));
- initial_mem = new_Proj(start, mode_M, pn_Start_M);
+ set_irg_frame (res, new_r_Proj(start, mode_P_data, pn_Start_P_frame_base));
+ set_irg_args (res, new_r_Proj(start, mode_T, pn_Start_T_args));
+ initial_mem = new_r_Proj(start, mode_M, pn_Start_M);
set_irg_initial_mem(res, initial_mem);
- add_immBlock_pred(start_block, projX);
- set_store(initial_mem);
-
res->index = get_irp_new_irg_idx();
#ifdef DEBUG_libfirm
res->graph_nr = get_irp_new_node_nr();
#endif
- /*
- * The code generation needs it. leave it in now.
- * Use of this edge is matter of discussion, unresolved. Also possible:
- * add_immBlock_pred(res->start_block, res->start_block), but invalid typed.
- */
- mature_immBlock(res->current_block);
+ set_r_cur_block(res, start_block);
+ set_r_store(res, initial_mem);
/*-- Make a block to start with --*/
- first_block = new_immBlock();
- add_immBlock_pred(first_block, projX);
+ first_block = new_r_Block(res, 1, &projX);
+ set_r_cur_block(res, first_block);
res->method_execution_frequency = -1.0;
res->estimated_node_count = 0;
return res;
}
-ir_graph *new_ir_graph(ir_entity *ent, int n_loc) {
+ir_graph *new_ir_graph(ir_entity *ent, int n_loc)
+{
ir_graph *res = new_r_ir_graph(ent, n_loc);
add_irp_irg(res); /* remember this graph global. */
return res;
}
-/* Make a rudimentary IR graph for the constant code.
- Must look like a correct irg, spare everything else. */
-ir_graph *new_const_code_irg(void) {
- ir_graph *res;
- ir_node *end, *start_block, *start, *projX;
-
- res = alloc_graph();
+ir_graph *new_const_code_irg(void)
+{
+ ir_graph *res = alloc_graph();
+ ir_node *body_block;
+ ir_node *end;
+ ir_node *end_block;
+ ir_node *no_mem;
+ ir_node *projX;
+ ir_node *start_block;
+ ir_node *start;
/* inform statistics here, as blocks will be already build on this graph */
hook_new_graph(res, NULL);
- current_ir_graph = res;
- res->n_loc = 1; /* Only the memory. */
- res->visited = 0; /* visited flag, for the ir walker */
+ res->n_loc = 1; /* Only the memory. */
+ res->visited = 0; /* visited flag, for the ir walker */
res->block_visited = 0; /* visited flag, for the 'block'-walker */
-#if USE_EXPLICIT_PHI_IN_STACK
- res->Phi_in_stack = NULL;
-#endif
- res->obst = XMALLOC(struct obstack);
- obstack_init (res->obst);
- res->extbb_obst = NULL;
+ res->obst = XMALLOC(struct obstack);
+ obstack_init(res->obst);
res->last_node_idx = 0;
res->phase_state = phase_building;
res->irg_pinned_state = op_pin_state_pinned;
- res->extblk_state = ir_extblk_info_none;
res->fp_model = fp_model_precise;
- res->value_table = new_identities(); /* value table for global value
- numbering for optimizing use in
- iropt.c */
- res->ent = NULL;
+ /* value table for global value numbering for optimizing use in iropt.c */
+ new_identities(res);
+ res->ent = NULL;
res->frame_type = NULL;
/* the Anchor node must be created first */
- res->anchor = new_Anchor(res);
+ res->anchor = new_r_Anchor(res);
/* -- The end block -- */
- set_irg_end_block (res, new_immBlock());
- end = new_End();
- set_irg_end (res, end);
- set_irg_end_reg (res, end);
- set_irg_end_except(res, end);
- mature_immBlock(get_cur_block()); /* mature the end block */
+ end_block = new_r_Block_noopt(res, 0, NULL);
+ set_irg_end_block(res, end_block);
+ end = new_r_End(res, 0, NULL);
+ set_irg_end(res, end);
/* -- The start block -- */
- start_block = new_immBlock();
+ start_block = new_r_Block_noopt(res, 0, NULL);
set_irg_start_block(res, start_block);
- set_irg_bad (res, new_ir_node (NULL, res, start_block, op_Bad, mode_T, 0, NULL));
- set_irg_no_mem (res, new_ir_node (NULL, res, start_block, op_NoMem, mode_M, 0, NULL));
- start = new_Start();
- set_irg_start (res, start);
+ no_mem = new_r_NoMem(res);
+ set_irg_no_mem(res, no_mem);
+ start = new_r_Start(res);
+ set_irg_start(res, start);
/* Proj results of start node */
- set_irg_initial_mem(res, new_Proj(start, mode_M, pn_Start_M));
- projX = new_Proj(start, mode_X, pn_Start_X_initial_exec);
- add_immBlock_pred(start_block, projX);
- mature_immBlock (start_block); /* mature the start block */
+ set_irg_initial_mem(res, new_r_Proj(start, mode_M, pn_Start_M));
+ projX = new_r_Proj(start, mode_X, pn_Start_X_initial_exec);
- add_immBlock_pred(new_immBlock(), projX);
- mature_immBlock (get_cur_block()); /* mature the 'body' block for expressions */
+ body_block = new_r_Block(res, 1, &projX);
+
+ set_r_cur_block(res, body_block);
/* Set the visited flag high enough that the blocks will never be visited. */
- set_irn_visited(get_cur_block(), -1);
- set_Block_block_visited(get_cur_block(), -1);
+ set_irn_visited(body_block, -1);
+ set_Block_block_visited(body_block, -1);
set_Block_block_visited(start_block, -1);
set_irn_visited(start_block, -1);
- set_irn_visited(get_irg_bad(res), -1);
- set_irn_visited(get_irg_no_mem(res), -1);
-
- res->phase_state = phase_high;
return res;
}
* @param n A node from the original method graph.
* @param env The copied graph.
*/
-static void copy_all_nodes(ir_node *n, void *env) {
- ir_graph *irg = env;
- ir_op *op = get_irn_op(n);
- ir_node *nn;
-
- nn = new_ir_node(get_irn_dbg_info(n),
- irg,
- NULL, /* no block yet, will be set later */
- op,
- get_irn_mode(n),
- get_irn_arity(n),
- get_irn_in(n) + 1);
-
-
- /* Copy the attributes. These might point to additional data. If this
- was allocated on the old obstack the pointers now are dangling. This
- frees e.g. the memory of the graph_arr allocated in new_immBlock. */
- copy_node_attr(n, nn);
- new_backedge_info(nn);
- set_irn_link(n, nn);
-
- /* fix the irg for blocks */
- if (is_Block(nn))
- nn->attr.block.irg = irg;
+static void copy_all_nodes(ir_node *node, void *env)
+{
+ ir_graph *irg = (ir_graph*)env;
+ ir_node *new_node = irn_copy_into_irg(node, irg);
+
+ set_irn_link(node, new_node);
/* fix access to entities on the stack frame */
- if (is_Sel(nn)) {
- ir_entity *ent = get_Sel_entity(nn);
- ir_type *tp = get_entity_owner(ent);
+ if (is_Sel(new_node)) {
+ ir_entity *ent = get_Sel_entity(new_node);
+ ir_type *tp = get_entity_owner(ent);
if (is_frame_type(tp)) {
/* replace by the copied entity */
- ent = get_entity_link(ent);
+ ent = (ir_entity*)get_entity_link(ent);
assert(is_entity(ent));
assert(get_entity_owner(ent) == get_irg_frame_type(irg));
- set_Sel_entity(nn, ent);
+ set_Sel_entity(new_node, ent);
}
}
}
* The copied nodes are set as link of their original nodes. The links of
* "irn" predecessors are the predecessors of copied node.
*/
-static void set_all_preds(ir_node *irn, void *env) {
- int i;
- ir_node *nn, *pred;
+static void rewire(ir_node *irn, void *env)
+{
(void) env;
-
- nn = get_irn_link(irn);
-
- if (is_Block(irn)) {
- ir_node *mbh = get_Block_MacroBlock(irn);
- set_Block_MacroBlock(nn, get_irn_link(mbh));
- for (i = get_Block_n_cfgpreds(irn) - 1; i >= 0; i--) {
- pred = get_Block_cfgpred(irn, i);
- set_Block_cfgpred(nn, i, get_irn_link(pred));
- }
- } else {
- /* First we set the block our copy if it is not a block.*/
- set_nodes_block(nn, get_irn_link(get_nodes_block(irn)));
- for (i = get_irn_arity(irn) - 1; i >= 0; i--) {
- pred = get_irn_n(irn, i);
- set_irn_n(nn, i, get_irn_link(pred));
- }
- }
+ irn_rewire_inputs(irn);
}
-#define NN(irn) get_irn_link(irn)
+static ir_node *get_new_node(const ir_node *old_node)
+{
+ return (ir_node*) get_irn_link(old_node);
+}
-/*
- * Create a new graph that is a copy of a given one.
- */
-ir_graph *create_irg_copy(ir_graph *irg) {
+ir_graph *create_irg_copy(ir_graph *irg)
+{
ir_graph *res;
res = alloc_graph();
res->n_loc = 0;
res->visited = 0; /* visited flag, for the ir walker */
res->block_visited = 0; /* visited flag, for the 'block'-walker */
-#if USE_EXPLICIT_PHI_IN_STACK
- res->Phi_in_stack = NULL;
-#endif
res->obst = XMALLOC(struct obstack);
obstack_init(res->obst);
- res->extbb_obst = NULL;
res->last_node_idx = 0;
res->phase_state = irg->phase_state;
res->irg_pinned_state = irg->irg_pinned_state;
- res->extblk_state = ir_extblk_info_none;
res->fp_model = irg->fp_model;
- res->value_table = new_identities();
+ new_identities(res);
/* clone the frame type here for safety */
+ irp_reserve_resources(irp, IRP_RESOURCE_ENTITY_LINK);
res->frame_type = clone_frame_type(irg->frame_type);
res->phase_state = irg->phase_state;
ir_reserve_resources(irg, IR_RESOURCE_IRN_LINK);
/* copy all nodes from the graph irg to the new graph res */
- irg_walk_anchors(irg, copy_all_nodes, set_all_preds, res);
+ irg_walk_anchors(irg, copy_all_nodes, rewire, res);
/* copy the Anchor node */
- res->anchor = NN(irg->anchor);
+ res->anchor = get_new_node(irg->anchor);
/* -- The end block -- */
- set_irg_end_block (res, NN(get_irg_end_block(irg)));
- set_irg_end (res, NN(get_irg_end(irg)));
- set_irg_end_reg (res, NN(get_irg_end_reg(irg)));
- set_irg_end_except(res, NN(get_irg_end_except(irg)));
+ set_irg_end_block (res, get_new_node(get_irg_end_block(irg)));
+ set_irg_end (res, get_new_node(get_irg_end(irg)));
/* -- The start block -- */
- set_irg_start_block(res, NN(get_irg_start_block(irg)));
- set_irg_bad (res, NN(get_irg_bad(irg)));
- set_irg_no_mem (res, NN(get_irg_no_mem(irg)));
- set_irg_start (res, NN(get_irg_start(irg)));
+ set_irg_start_block(res, get_new_node(get_irg_start_block(irg)));
+ set_irg_no_mem (res, get_new_node(get_irg_no_mem(irg)));
+ set_irg_start (res, get_new_node(get_irg_start(irg)));
/* Proj results of start node */
- set_irg_initial_mem(res, NN(get_irg_initial_mem(irg)));
+ set_irg_initial_mem(res, get_new_node(get_irg_initial_mem(irg)));
/* Copy the node count estimation. Would be strange if this
is different from the original one. */
res->estimated_node_count = irg->estimated_node_count;
ir_free_resources(irg, IR_RESOURCE_IRN_LINK);
+ irp_free_resources(irp, IRP_RESOURCE_ENTITY_LINK);
return res;
}
-#undef NN
-
-/* Frees the passed irgraph.
- Deallocates all nodes in this graph and the ir_graph structure.
- Sets the field irgraph in the corresponding entity to NULL.
- Does not remove the irgraph from the list in irprog (requires
- inefficient search, call remove_irp_irg by hand).
- Does not free types, entities or modes that are used only by this
- graph, nor the entity standing for this graph. */
-void free_ir_graph(ir_graph *irg) {
+void free_ir_graph(ir_graph *irg)
+{
assert(is_ir_graph(irg));
edges_deactivate(irg);
hook_free_graph(irg);
- if (irg->outs_state != outs_none)
- free_irg_outs(irg);
- if (irg->frame_type)
- free_type(irg->frame_type);
- if (irg->value_table)
- del_identities(irg->value_table);
+ free_irg_outs(irg);
+ del_identities(irg);
if (irg->ent) {
- ir_peculiarity pec = get_entity_peculiarity (irg->ent);
- set_entity_peculiarity (irg->ent, peculiarity_description);
set_entity_irg(irg->ent, NULL); /* not set in const code irg */
- set_entity_peculiarity (irg->ent, pec);
}
free_End(get_irg_end(irg));
- obstack_free(irg->obst,NULL);
+ obstack_free(irg->obst, NULL);
free(irg->obst);
-#if USE_EXPLICIT_PHI_IN_STACK
- free_Phi_in_stack(irg->Phi_in_stack);
-#endif
if (irg->loc_descriptions)
free(irg->loc_descriptions);
irg->kind = k_BAD;
free_graph(irg);
}
-/* access routines for all ir_graph attributes:
- templates:
- {attr type} get_irg_{attribute name} (ir_graph *irg);
- void set_irg_{attr name} (ir_graph *irg, {attr type} {attr}); */
-
-int
-(is_ir_graph)(const void *thing) {
- return _is_ir_graph(thing);
+int (is_ir_graph)(const void *thing)
+{
+ return is_ir_graph_(thing);
}
#ifdef DEBUG_libfirm
-/* Outputs a unique number for this node */
-long get_irg_graph_nr(const ir_graph *irg) {
+long get_irg_graph_nr(const ir_graph *irg)
+{
return irg->graph_nr;
}
#else
-long get_irg_graph_nr(const ir_graph *irg) {
+long get_irg_graph_nr(const ir_graph *irg)
+{
return PTR_TO_INT(irg);
}
#endif
-int get_irg_idx(const ir_graph *irg) {
+size_t get_irg_idx(const ir_graph *irg)
+{
return irg->index;
}
-ir_node *
-(get_irg_start_block)(const ir_graph *irg) {
- return _get_irg_start_block(irg);
-}
-
-void
-(set_irg_start_block)(ir_graph *irg, ir_node *node) {
- _set_irg_start_block(irg, node);
-}
-
-ir_node *
-(get_irg_start)(const ir_graph *irg) {
- return _get_irg_start(irg);
-}
-
-void
-(set_irg_start)(ir_graph *irg, ir_node *node) {
- _set_irg_start(irg, node);
-}
-
-ir_node *
-(get_irg_end_block)(const ir_graph *irg) {
- return _get_irg_end_block(irg);
-}
-
-void
-(set_irg_end_block)(ir_graph *irg, ir_node *node) {
- _set_irg_end_block(irg, node);
-}
-
-ir_node *
-(get_irg_end)(const ir_graph *irg) {
- return _get_irg_end(irg);
-}
-
-void
-(set_irg_end)(ir_graph *irg, ir_node *node) {
- _set_irg_end(irg, node);
-}
-
-ir_node *
-(get_irg_end_reg)(const ir_graph *irg) {
- return _get_irg_end_reg(irg);
-}
-
-void
-(set_irg_end_reg)(ir_graph *irg, ir_node *node) {
- _set_irg_end_reg(irg, node);
-}
-
-ir_node *
-(get_irg_end_except)(const ir_graph *irg) {
- return _get_irg_end_except(irg);
-}
-
-void
-(set_irg_end_except)(ir_graph *irg, ir_node *node) {
- assert(get_irn_op(node) == op_EndExcept || is_End(node));
- _set_irg_end_except(irg, node);
-}
-
-ir_node *
-(get_irg_initial_exec)(const ir_graph *irg) {
- return _get_irg_initial_exec(irg);
+ir_node *(get_idx_irn)(const ir_graph *irg, unsigned idx)
+{
+ return get_idx_irn_(irg, idx);
}
-void
-(set_irg_initial_exec)(ir_graph *irg, ir_node *node) {
- _set_irg_initial_exec(irg, node);
+ir_node *(get_irg_start_block)(const ir_graph *irg)
+{
+ return get_irg_start_block_(irg);
}
-ir_node *
-(get_irg_frame)(const ir_graph *irg) {
- return _get_irg_frame(irg);
+void (set_irg_start_block)(ir_graph *irg, ir_node *node)
+{
+ set_irg_start_block_(irg, node);
}
-void
-(set_irg_frame)(ir_graph *irg, ir_node *node) {
- _set_irg_frame(irg, node);
+ir_node *(get_irg_start)(const ir_graph *irg)
+{
+ return get_irg_start_(irg);
}
-ir_node *
-(get_irg_tls)(const ir_graph *irg) {
- return _get_irg_tls(irg);
+void (set_irg_start)(ir_graph *irg, ir_node *node)
+{
+ set_irg_start_(irg, node);
}
-void
-(set_irg_tls)(ir_graph *irg, ir_node *node) {
- _set_irg_tls(irg, node);
+ir_node *(get_irg_end_block)(const ir_graph *irg)
+{
+ return get_irg_end_block_(irg);
}
-ir_node *
-(get_irg_initial_mem)(const ir_graph *irg) {
- return _get_irg_initial_mem(irg);
+void (set_irg_end_block)(ir_graph *irg, ir_node *node)
+{
+ set_irg_end_block_(irg, node);
}
-void
-(set_irg_initial_mem)(ir_graph *irg, ir_node *node) {
- _set_irg_initial_mem(irg, node);
+ir_node *(get_irg_end)(const ir_graph *irg)
+{
+ return get_irg_end_(irg);
}
-ir_node *
-(get_irg_args)(const ir_graph *irg) {
- return _get_irg_args(irg);
+void (set_irg_end)(ir_graph *irg, ir_node *node)
+{
+ set_irg_end_(irg, node);
}
-void
-(set_irg_args)(ir_graph *irg, ir_node *node) {
- _set_irg_args(irg, node);
+ir_node *(get_irg_initial_exec)(const ir_graph *irg)
+{
+ return get_irg_initial_exec_(irg);
}
-ir_node *
-(get_irg_value_param_base)(const ir_graph *irg) {
- return _get_irg_value_param_base(irg);
+void (set_irg_initial_exec)(ir_graph *irg, ir_node *node)
+{
+ set_irg_initial_exec_(irg, node);
}
-void
-(set_irg_value_param_base)(ir_graph *irg, ir_node *node) {
- _set_irg_value_param_base(irg, node);
+ir_node *(get_irg_frame)(const ir_graph *irg)
+{
+ return get_irg_frame_(irg);
}
-ir_node *
-(get_irg_bad)(const ir_graph *irg) {
- return _get_irg_bad(irg);
+void (set_irg_frame)(ir_graph *irg, ir_node *node)
+{
+ set_irg_frame_(irg, node);
}
-void
-(set_irg_bad)(ir_graph *irg, ir_node *node) {
- _set_irg_bad(irg, node);
+ir_node *(get_irg_initial_mem)(const ir_graph *irg)
+{
+ return get_irg_initial_mem_(irg);
}
-ir_node *
-(get_irg_no_mem)(const ir_graph *irg) {
- return _get_irg_no_mem(irg);
+void (set_irg_initial_mem)(ir_graph *irg, ir_node *node)
+{
+ set_irg_initial_mem_(irg, node);
}
-void
-(set_irg_no_mem)(ir_graph *irg, ir_node *node) {
- _set_irg_no_mem(irg, node);
+ir_node *(get_irg_args)(const ir_graph *irg)
+{
+ return get_irg_args_(irg);
}
-ir_node *
-(get_irg_current_block)(const ir_graph *irg) {
- return _get_irg_current_block(irg);
+void (set_irg_args)(ir_graph *irg, ir_node *node)
+{
+ set_irg_args_(irg, node);
}
-void
-(set_irg_current_block)(ir_graph *irg, ir_node *node) {
- _set_irg_current_block(irg, node);
+ir_node *(get_irg_no_mem)(const ir_graph *irg)
+{
+ return get_irg_no_mem_(irg);
}
-ir_entity *
-(get_irg_entity)(const ir_graph *irg) {
- return _get_irg_entity(irg);
+void (set_irg_no_mem)(ir_graph *irg, ir_node *node)
+{
+ set_irg_no_mem_(irg, node);
}
-void
-(set_irg_entity)(ir_graph *irg, ir_entity *ent) {
- _set_irg_entity(irg, ent);
+ir_entity *(get_irg_entity)(const ir_graph *irg)
+{
+ return get_irg_entity_(irg);
}
-ir_type *
-(get_irg_frame_type)(ir_graph *irg) {
- return _get_irg_frame_type(irg);
+void (set_irg_entity)(ir_graph *irg, ir_entity *ent)
+{
+ set_irg_entity_(irg, ent);
}
-void
-(set_irg_frame_type)(ir_graph *irg, ir_type *ftp) {
- _set_irg_frame_type(irg, ftp);
+ir_type *(get_irg_frame_type)(ir_graph *irg)
+{
+ return get_irg_frame_type_(irg);
}
-int
-get_irg_n_locs(ir_graph *irg) {
- if (get_opt_precise_exc_context())
- return irg->n_loc - 1 - 1;
- else
- return irg->n_loc - 1;
+void (set_irg_frame_type)(ir_graph *irg, ir_type *ftp)
+{
+ set_irg_frame_type_(irg, ftp);
}
-void
-set_irg_n_loc(ir_graph *irg, int n_loc) {
- if (get_opt_precise_exc_context())
- irg->n_loc = n_loc + 1 + 1;
- else
- irg->n_loc = n_loc + 1;
+int get_irg_n_locs(ir_graph *irg)
+{
+ return irg->n_loc - 1;
}
-
-
-/* Returns the obstack associated with the graph. */
-struct obstack *
-(get_irg_obstack)(const ir_graph *irg) {
- return _get_irg_obstack(irg);
+struct obstack *(get_irg_obstack)(const ir_graph *irg)
+{
+ return get_irg_obstack_(irg);
}
-/*
- * Returns true if the node n is allocated on the storage of graph irg.
- *
- * Implementation is GLIBC specific as is uses the internal _obstack_chunk implementation.
- */
-int node_is_in_irgs_storage(ir_graph *irg, ir_node *n) {
+int node_is_in_irgs_storage(const ir_graph *irg, const ir_node *n)
+{
struct _obstack_chunk *p;
/*
return 0;
}
-irg_phase_state
-(get_irg_phase_state)(const ir_graph *irg) {
- return _get_irg_phase_state(irg);
-}
-
-void
-(set_irg_phase_state)(ir_graph *irg, irg_phase_state state) {
- _set_irg_phase_state(irg, state);
-}
-
-op_pin_state
-(get_irg_pinned)(const ir_graph *irg) {
- return _get_irg_pinned(irg);
-}
-
-irg_outs_state
-(get_irg_outs_state)(const ir_graph *irg) {
- return _get_irg_outs_state(irg);
-}
-
-void
-(set_irg_outs_inconsistent)(ir_graph *irg) {
- _set_irg_outs_inconsistent(irg);
-}
-
-irg_extblk_state
-(get_irg_extblk_state)(const ir_graph *irg) {
- return _get_irg_extblk_state(irg);
-}
-
-void
-(set_irg_extblk_inconsistent)(ir_graph *irg) {
- _set_irg_extblk_inconsistent(irg);
-}
-
-irg_dom_state
-(get_irg_dom_state)(const ir_graph *irg) {
- return _get_irg_dom_state(irg);
-}
-
-irg_dom_state
-(get_irg_postdom_state)(const ir_graph *irg) {
- return _get_irg_postdom_state(irg);
-}
-
-void
-(set_irg_doms_inconsistent)(ir_graph *irg) {
- _set_irg_doms_inconsistent(irg);
-}
-
-irg_loopinfo_state
-(get_irg_loopinfo_state)(const ir_graph *irg) {
- return _get_irg_loopinfo_state(irg);
-}
-
-void
-(set_irg_loopinfo_state)(ir_graph *irg, irg_loopinfo_state s) {
- _set_irg_loopinfo_state(irg, s);
+irg_phase_state (get_irg_phase_state)(const ir_graph *irg)
+{
+ return get_irg_phase_state_(irg);
}
-void
-(set_irg_loopinfo_inconsistent)(ir_graph *irg) {
- _set_irg_loopinfo_inconsistent(irg);
+void (set_irg_phase_state)(ir_graph *irg, irg_phase_state state)
+{
+ set_irg_phase_state_(irg, state);
}
-void set_irp_loopinfo_inconsistent(void) {
- int i;
- for (i = get_irp_n_irgs() - 1; i >= 0; --i) {
- set_irg_loopinfo_inconsistent(get_irp_irg(i));
- }
+op_pin_state (get_irg_pinned)(const ir_graph *irg)
+{
+ return get_irg_pinned_(irg);
}
-
-
-void
-(set_irg_pinned)(ir_graph *irg, op_pin_state p) {
- _set_irg_pinned(irg, p);
+void (set_irg_pinned)(ir_graph *irg, op_pin_state p)
+{
+ set_irg_pinned_(irg, p);
}
-irg_callee_info_state
-(get_irg_callee_info_state)(const ir_graph *irg) {
- return _get_irg_callee_info_state(irg);
+irg_callee_info_state (get_irg_callee_info_state)(const ir_graph *irg)
+{
+ return get_irg_callee_info_state_(irg);
}
-void
-(set_irg_callee_info_state)(ir_graph *irg, irg_callee_info_state s) {
- _set_irg_callee_info_state(irg, s);
+void (set_irg_callee_info_state)(ir_graph *irg, irg_callee_info_state s)
+{
+ set_irg_callee_info_state_(irg, s);
}
-irg_inline_property
-(get_irg_inline_property)(const ir_graph *irg) {
- return _get_irg_inline_property(irg);
+irg_inline_property (get_irg_inline_property)(const ir_graph *irg)
+{
+ return get_irg_inline_property_(irg);
}
-void
-(set_irg_inline_property)(ir_graph *irg, irg_inline_property s) {
- _set_irg_inline_property(irg, s);
+void (set_irg_inline_property)(ir_graph *irg, irg_inline_property s)
+{
+ set_irg_inline_property_(irg, s);
}
-unsigned
-(get_irg_additional_properties)(const ir_graph *irg) {
- return _get_irg_additional_properties(irg);
+mtp_additional_properties (get_irg_additional_properties)(const ir_graph *irg)
+{
+ return get_irg_additional_properties_(irg);
}
-void
-(set_irg_additional_properties)(ir_graph *irg, unsigned property_mask) {
- _set_irg_additional_properties(irg, property_mask);
+void (set_irg_additional_properties)(ir_graph *irg, mtp_additional_properties property_mask)
+{
+ set_irg_additional_properties_(irg, property_mask);
}
-void
-(set_irg_additional_property)(ir_graph *irg, mtp_additional_property flag) {
- _set_irg_additional_property(irg, flag);
+void (add_irg_additional_properties)(ir_graph *irg, mtp_additional_properties flag)
+{
+ add_irg_additional_properties_(irg, flag);
}
-void
-(set_irg_link)(ir_graph *irg, void *thing) {
- _set_irg_link(irg, thing);
+void (set_irg_link)(ir_graph *irg, void *thing)
+{
+ set_irg_link_(irg, thing);
}
-void *
-(get_irg_link)(const ir_graph *irg) {
- return _get_irg_link(irg);
+void *(get_irg_link)(const ir_graph *irg)
+{
+ return get_irg_link_(irg);
}
-ir_visited_t
-(get_irg_visited)(const ir_graph *irg) {
- return _get_irg_visited(irg);
+ir_visited_t (get_irg_visited)(const ir_graph *irg)
+{
+ return get_irg_visited_(irg);
}
-#ifdef INTERPROCEDURAL_VIEW
/** maximum visited flag content of all ir_graph visited fields. */
static ir_visited_t max_irg_visited = 0;
-#endif /* INTERPROCEDURAL_VIEW */
-void
-set_irg_visited(ir_graph *irg, ir_visited_t visited) {
+void set_irg_visited(ir_graph *irg, ir_visited_t visited)
+{
irg->visited = visited;
-#ifdef INTERPROCEDURAL_VIEW
if (irg->visited > max_irg_visited) {
max_irg_visited = irg->visited;
}
-#endif /* INTERPROCEDURAL_VIEW */
}
-void
-inc_irg_visited(ir_graph *irg) {
-#ifdef INTERPROCEDURAL_VIEW
- if (++irg->visited > max_irg_visited) {
+void inc_irg_visited(ir_graph *irg)
+{
+ ++irg->visited;
+ if (irg->visited > max_irg_visited) {
max_irg_visited = irg->visited;
}
-#else
- ++irg->visited;
-#endif /* INTERPROCEDURAL_VIEW */
}
-#ifdef INTERPROCEDURAL_VIEW
-ir_visited_t
-get_max_irg_visited(void) {
-#ifndef NDEBUG
- int i;
- for(i = 0; i < get_irp_n_irgs(); i++)
- assert(max_irg_visited >= get_irg_visited(get_irp_irg(i)));
-#endif
+ir_visited_t get_max_irg_visited(void)
+{
return max_irg_visited;
}
-void set_max_irg_visited(int val) {
+void set_max_irg_visited(int val)
+{
max_irg_visited = val;
}
-ir_visited_t
-inc_max_irg_visited(void) {
+ir_visited_t inc_max_irg_visited(void)
+{
#ifndef NDEBUG
- int i;
- for(i = 0; i < get_irp_n_irgs(); i++)
+ size_t i;
+ for (i = 0; i < get_irp_n_irgs(); i++)
assert(max_irg_visited >= get_irg_visited(get_irp_irg(i)));
#endif
return ++max_irg_visited;
}
-#endif /* INTERPROCEDURAL_VIEW */
-ir_visited_t
-(get_irg_block_visited)(const ir_graph *irg) {
- return _get_irg_block_visited(irg);
+ir_visited_t (get_irg_block_visited)(const ir_graph *irg)
+{
+ return get_irg_block_visited_(irg);
}
-void
-(set_irg_block_visited)(ir_graph *irg, ir_visited_t visited) {
- _set_irg_block_visited(irg, visited);
+void (set_irg_block_visited)(ir_graph *irg, ir_visited_t visited)
+{
+ set_irg_block_visited_(irg, visited);
}
-void
-(inc_irg_block_visited)(ir_graph *irg) {
- _inc_irg_block_visited(irg);
+void (inc_irg_block_visited)(ir_graph *irg)
+{
+ inc_irg_block_visited_(irg);
}
-/* Return the floating point model of this graph. */
-unsigned (get_irg_fp_model)(const ir_graph *irg) {
- return _get_irg_fp_model(irg);
+unsigned (get_irg_fp_model)(const ir_graph *irg)
+{
+ return get_irg_fp_model_(irg);
}
-/* Sets the floating point model for this graph. */
-void set_irg_fp_model(ir_graph *irg, unsigned model) {
+void set_irg_fp_model(ir_graph *irg, unsigned model)
+{
irg->fp_model = model;
}
-/**
- * walker Start->End: places Proj nodes into the same block
- * as it's predecessors
- *
- * @param n the node
- * @param env ignored
- */
-static void normalize_proj_walker(ir_node *n, void *env) {
- (void) env;
- if (is_Proj(n)) {
- ir_node *pred = get_Proj_pred(n);
- ir_node *block = get_nodes_block(pred);
-
- set_nodes_block(n, block);
- }
-}
-
-/* move Proj nodes into the same block as its predecessors */
-void normalize_proj_nodes(ir_graph *irg) {
- irg_walk_graph(irg, NULL, normalize_proj_walker, NULL);
- set_irg_outs_inconsistent(irg);
-}
-
-/* set a description for local value n */
-void set_irg_loc_description(ir_graph *irg, int n, void *description) {
+void set_irg_loc_description(ir_graph *irg, int n, void *description)
+{
assert(0 <= n && n < irg->n_loc);
if (! irg->loc_descriptions)
irg->loc_descriptions[n] = description;
}
-/* get the description for local value n */
-void *get_irg_loc_description(ir_graph *irg, int n) {
+void *get_irg_loc_description(ir_graph *irg, int n)
+{
assert(0 <= n && n < irg->n_loc);
return irg->loc_descriptions ? irg->loc_descriptions[n] : NULL;
}
{
return irg->reserved_resources;
}
-#endif /* NDEBUG */
+#endif
-/* Returns a estimated node count of the irg. */
-unsigned (get_irg_estimated_node_cnt)(const ir_graph *irg) {
- return _get_irg_estimated_node_cnt(irg);
+unsigned (get_irg_estimated_node_cnt)(const ir_graph *irg)
+{
+ return get_irg_estimated_node_cnt_(irg);
}
-/* Returns the last irn index for this graph. */
-unsigned get_irg_last_idx(const ir_graph *irg) {
+unsigned get_irg_last_idx(const ir_graph *irg)
+{
return irg->last_node_idx;
}
-/* register additional space in an IR graph */
-size_t register_additional_graph_data(size_t size) {
+size_t register_additional_graph_data(size_t size)
+{
assert(!forbid_new_data && "Too late to register additional node data");
if (forbid_new_data)
return additional_graph_data_size += size;
}
+
+void add_irg_constraints(ir_graph *irg, ir_graph_constraints_t constraints)
+{
+ irg->constraints |= constraints;
+}
+
+void clear_irg_constraints(ir_graph *irg, ir_graph_constraints_t constraints)
+{
+ irg->constraints &= ~constraints;
+}
+
+int (irg_is_constrained)(const ir_graph *irg, ir_graph_constraints_t constraints)
+{
+ return irg_is_constrained_(irg, constraints);
+}
+
+void (add_irg_properties)(ir_graph *irg, ir_graph_properties_t props)
+{
+ add_irg_properties_(irg, props);
+}
+
+void (clear_irg_properties)(ir_graph *irg, ir_graph_properties_t props)
+{
+ clear_irg_properties_(irg, props);
+}
+
+int (irg_has_properties)(const ir_graph *irg, ir_graph_properties_t props)
+{
+ return irg_has_properties_(irg, props);
+}
+
+typedef void (*assure_property_func)(ir_graph *irg);
+
+void assure_irg_properties(ir_graph *irg, ir_graph_properties_t props)
+{
+ static struct {
+ ir_graph_properties_t property;
+ assure_property_func func;
+ } property_functions[] = {
+ { IR_GRAPH_PROPERTY_ONE_RETURN, normalize_one_return },
+ { IR_GRAPH_PROPERTY_MANY_RETURNS, normalize_n_returns },
+ { IR_GRAPH_PROPERTY_NO_CRITICAL_EDGES, remove_critical_cf_edges },
+ { IR_GRAPH_PROPERTY_NO_UNREACHABLE_CODE, remove_unreachable_code },
+ { IR_GRAPH_PROPERTY_NO_BADS, remove_bads },
+ { IR_GRAPH_PROPERTY_NO_TUPLES, remove_tuples },
+ { IR_GRAPH_PROPERTY_CONSISTENT_DOMINANCE, assure_doms },
+ { IR_GRAPH_PROPERTY_CONSISTENT_POSTDOMINANCE, assure_postdoms },
+ { IR_GRAPH_PROPERTY_CONSISTENT_OUT_EDGES, assure_edges },
+ { IR_GRAPH_PROPERTY_CONSISTENT_OUTS, assure_irg_outs },
+ { IR_GRAPH_PROPERTY_CONSISTENT_LOOPINFO, assure_loopinfo },
+ { IR_GRAPH_PROPERTY_CONSISTENT_ENTITY_USAGE, assure_irg_entity_usage_computed },
+ { IR_GRAPH_PROPERTY_CONSISTENT_DOMINANCE_FRONTIERS, ir_compute_dominance_frontiers },
+ };
+ size_t i;
+ for (i = 0; i < ARRAY_SIZE(property_functions); ++i) {
+ ir_graph_properties_t missing = props & ~irg->properties;
+ if (missing & property_functions[i].property)
+ property_functions[i].func(irg);
+ }
+ assert((props & ~irg->properties) == IR_GRAPH_PROPERTIES_NONE);
+}
+
+void confirm_irg_properties(ir_graph *irg, ir_graph_properties_t props)
+{
+ clear_irg_properties(irg, ~props);
+ if (! (props & IR_GRAPH_PROPERTY_CONSISTENT_OUT_EDGES))
+ edges_deactivate(irg);
+ if (! (props & IR_GRAPH_PROPERTY_CONSISTENT_OUTS)
+ && (irg->properties & IR_GRAPH_PROPERTY_CONSISTENT_OUTS))
+ free_irg_outs(irg);
+ if (! (props & IR_GRAPH_PROPERTY_CONSISTENT_DOMINANCE_FRONTIERS))
+ ir_free_dominance_frontiers(irg);
+}