- * Project: libFIRM
- * File name: ir/ir/ircgcons.c
- * Purpose: Construction and removal of interprocedural representation
- * (explicit interprocedural dependencies).
- * Author: Hubert Schmid
- * Modified by:
- * Created: 09.06.2002
- * CVS-ID: $Id$
- * Copyright: (c) 2002-2003 Universität Karlsruhe
- * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
+ * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
+ *
+ * This file is part of libFirm.
+ *
+ * This file may be distributed and/or modified under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation and appearing in the file LICENSE.GPL included in the
+ * packaging of this file.
+ *
+ * Licensees holding valid libFirm Professional Edition licenses may use
+ * this file in accordance with the libFirm Commercial License.
+ * Agreement provided with the Software.
+ *
+ * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE.
/* Return the current state of the interprocedural view. */
ip_view_state get_irp_ip_view_state(void) {
/* Return the current state of the interprocedural view. */
ip_view_state get_irp_ip_view_state(void) {
-static irg_data_t * irg_data_create(void) {
- irg_data_t * data = xmalloc(sizeof(irg_data_t));
- memset(data, 0, sizeof(irg_data_t)); /* init */
- return data;
+static irg_data_t * irg_data_create(void)
+{
+ return XMALLOCZ(irg_data_t);
* - are external visible
* - are dereferenced somewhere within the program (i.e., the address of the
* method is stored somewhere). */
* - are external visible
* - are dereferenced somewhere within the program (i.e., the address of the
* method is stored somewhere). */
int i, j;
for (i = get_irp_n_irgs() - 1; i >= 0; --i) {
set_entity_link(get_irg_entity(get_irp_irg(i)), irg_data_create());
int i, j;
for (i = get_irp_n_irgs() - 1; i >= 0; --i) {
set_entity_link(get_irg_entity(get_irp_irg(i)), irg_data_create());
ir_node * call;
/* We collected all call nodes in a link list at the end node. */
for (call = get_irn_link(get_irg_end(irg)); call; call = get_irn_link(call)) {
ir_node * call;
/* We collected all call nodes in a link list at the end node. */
for (call = get_irn_link(get_irg_end(irg)); call; call = get_irn_link(call)) {
- entity * ent = get_Call_callee(call, j);
- if (get_entity_irg(ent)) {
- irg_data_t * data = get_entity_link(ent);
+ ir_entity * ent = get_Call_callee(call, j);
+ if (get_entity_irg(ent)) {
+ irg_data_t * data = get_entity_link(ent);
* (auch bei Proj->Call Operationen) und Phi-Operationen in die Liste ihres
* Grundblocks einfügen. */
static void collect_phicallproj_walker(ir_node * node, ir_node ** call_tail) {
* (auch bei Proj->Call Operationen) und Phi-Operationen in die Liste ihres
* Grundblocks einfügen. */
static void collect_phicallproj_walker(ir_node * node, ir_node ** call_tail) {
for (i = get_irp_n_irgs() - 1; i >= 0; --i) {
ir_graph * irg = get_irp_irg(i);
ir_node * start = get_irg_start(irg);
ir_node * end = get_irg_end(irg);
current_ir_graph = irg;
assert(irg && start);
for (i = get_irp_n_irgs() - 1; i >= 0; --i) {
ir_graph * irg = get_irp_irg(i);
ir_node * start = get_irg_start(irg);
ir_node * end = get_irg_end(irg);
current_ir_graph = irg;
assert(irg && start);
/* Die speziellen Parameter der Start-Operation extra verlinken,
* auch wenn sie nicht im intraprozeduralen Graphen erreichbar
* sind. */
link(start, get_irg_frame(irg));
/* Die speziellen Parameter der Start-Operation extra verlinken,
* auch wenn sie nicht im intraprozeduralen Graphen erreichbar
* sind. */
link(start, get_irg_frame(irg));
- irg_walk_graph(irg, clear_link, (irg_walk_func *) collect_phicallproj_walker, &end);
+ irg_walk_graph(irg, firm_clear_link, (irg_walk_func *) collect_phicallproj_walker, &end);
+
+ clear_using_irn_link(irg);
* cause cycles we don't want to see, as Unknwon is in the Start Block
* of the procedure. Use unknown of outermost irg where the start
* block has no predecessors. */
* cause cycles we don't want to see, as Unknwon is in the Start Block
* of the procedure. Use unknown of outermost irg where the start
* block has no predecessors. */
assert((get_Block_n_cfgpreds(get_irg_start_block(get_irp_main_irg())) == 1) &&
(get_nodes_block(get_Block_cfgpred(get_irg_start_block(get_irp_main_irg()), 0)) ==
get_irg_start_block(get_irp_main_irg())));
assert((get_Block_n_cfgpreds(get_irg_start_block(get_irp_main_irg())) == 1) &&
(get_nodes_block(get_Block_cfgpred(get_irg_start_block(get_irp_main_irg()), 0)) ==
get_irg_start_block(get_irp_main_irg())));
* dass oben für "verschiedene" Proj-Operationen wegen CSE nur eine
* Filter-Operation erzeugt worden sein kann. */
for (link = get_irg_start(irg), proj = get_irn_link(link); proj; proj = get_irn_link(proj)) {
* dass oben für "verschiedene" Proj-Operationen wegen CSE nur eine
* Filter-Operation erzeugt worden sein kann. */
for (link = get_irg_start(irg), proj = get_irn_link(link); proj; proj = get_irn_link(proj)) {
if (filter != link && get_irn_link(filter) == NULL) {
set_irn_link(link, filter);
link = filter;
if (filter != link && get_irn_link(filter) == NULL) {
set_irn_link(link, filter);
link = filter;
- set_irg_frame (irg, skip_Id(get_irg_frame(irg)));
- set_irg_globals (irg, skip_Id(get_irg_globals(irg)));
- set_irg_initial_mem(irg, skip_Id(get_irg_initial_mem(irg)));
+ set_irg_initial_exec(irg, skip_Id(get_irg_initial_exec(irg)));
+ set_irg_frame (irg, skip_Id(get_irg_frame(irg)));
+ set_irg_initial_mem (irg, skip_Id(get_irg_initial_mem(irg)));
/* Unbekannten Aufrufer sofort eintragen. */
if (data->open) {
set_Block_cg_cfgpred(start_block, 0, get_cg_Unknown(mode_X));
for (proj = get_irn_link(get_irg_start(irg)); proj; proj = get_irn_link(proj)) {
/* Unbekannten Aufrufer sofort eintragen. */
if (data->open) {
set_Block_cg_cfgpred(start_block, 0, get_cg_Unknown(mode_X));
for (proj = get_irn_link(get_irg_start(irg)); proj; proj = get_irn_link(proj)) {
- ret_arr = NEW_ARR_F(ir_node *, 1);
- ret_arr[0] = cfgpred_arr[i];
+ ret_arr = NEW_ARR_F(ir_node *, 1);
+ ret_arr[0] = cfgpred_arr[i];
int n_except = 0;
ir_node ** cfgpred_arr = get_Block_cfgpred_arr(end_block);
for (i = get_Block_n_cfgpreds(end_block) - 1; i >= 0; --i) {
int n_except = 0;
ir_node ** cfgpred_arr = get_Block_cfgpred_arr(end_block);
for (i = get_Block_n_cfgpreds(end_block) - 1; i >= 0; --i) {
- except_arr = NEW_ARR_F(ir_node *, 1);
- except_arr[0] = cfgpred_arr[i];
+ except_arr = NEW_ARR_F(ir_node *, 1);
+ except_arr[0] = cfgpred_arr[i];
- ir_node * node = skip_Proj(skip_Tuple(except_arr[i]));
- if (get_irn_op(node) == op_Call) {
- in[i] = new_r_Proj(irg, get_nodes_block(node), node, mode_M, 3);
- } else if (get_irn_op(node) == op_Raise) {
- in[i] = new_r_Proj(irg, get_nodes_block(node), node, mode_M, 1);
+ ir_node *node = skip_Proj(skip_Tuple(except_arr[i]));
+ ir_op *op = get_irn_op(node);
+ if (op == op_Call) {
+ in[i] = new_r_Proj(irg, get_nodes_block(node), node, mode_M, pn_Call_M_except);
+ } else if (op == op_Raise) {
+ in[i] = new_r_Proj(irg, get_nodes_block(node), node, mode_M, pn_Raise_M);
+ } else if (op == op_CopyB) {
+ in[i] = new_r_Proj(irg, get_nodes_block(node), node, mode_M, pn_CopyB_M_except);
- assert(is_fragile_op(node));
- /* We rely that all cfops have the memory output at the same position. */
- in[i] = new_r_Proj(irg, get_nodes_block(node), node, mode_M, 0);
+ assert(is_fragile_op(node));
+ /* We rely that all cfops have the memory output at the same position. */
+ in[i] = new_r_Proj(irg, get_nodes_block(node), node, mode_M, 0);
/* Move projs of this node. */
proj = get_irn_link(node);
for (; proj; proj = skip_Id(get_irn_link(proj))) {
/* Move projs of this node. */
proj = get_irn_link(node);
for (; proj; proj = skip_Id(get_irn_link(proj))) {
if ((get_nodes_block(proj) == from_block) && (skip_Proj(get_irn_n(proj, 0)) == node))
set_nodes_block(proj, to_block);
}
if ((get_nodes_block(proj) == from_block) && (skip_Proj(get_irn_n(proj, 0)) == node))
set_nodes_block(proj, to_block);
}
/* Abhängigkeiten vom Start-Block und den Filter-Operationen im
* Start-Block auf den Aufrufer hinzufügen. */
/* Abhängigkeiten vom Start-Block und den Filter-Operationen im
* Start-Block auf den Aufrufer hinzufügen. */
-static void construct_start(entity * caller, entity * callee,
- ir_node * call, ir_node * exec) {
+static void construct_start(ir_entity * caller, ir_entity * callee,
+ ir_node * call, ir_node * exec)
+{
irg_data_t *data = get_entity_link(callee);
ir_graph *irg = get_entity_irg(callee);
ir_node *start = get_irg_start(irg);
ir_node *filter;
irg_data_t *data = get_entity_link(callee);
ir_graph *irg = get_entity_irg(callee);
ir_node *start = get_irg_start(irg);
ir_node *filter;
set_Block_cg_cfgpred(get_nodes_block(start), data->count, exec);
for (filter = get_irn_link(start); filter; filter = get_irn_link(filter)) {
set_Block_cg_cfgpred(get_nodes_block(start), data->count, exec);
for (filter = get_irn_link(start); filter; filter = get_irn_link(filter)) {
* Aufrufstelle nur ein einziges Mal aufgerufen. */
ir_node * proj;
for (proj = get_irn_link(call); proj && get_irn_op(proj) == op_Proj; proj = get_irn_link(proj)) {
* Aufrufstelle nur ein einziges Mal aufgerufen. */
ir_node * proj;
for (proj = get_irn_link(call); proj && get_irn_op(proj) == op_Proj; proj = get_irn_link(proj)) {
/* Grundblock der Call-Operation aufteilen. CallBegin- und Filter-Operationen
* einfügen. Die Steuer- und Datenflussabhängigkeiten von den aufgerufenen
* Methoden auf die CallBegin-Operation, und von der Aufrufstelle auf die
* aufgerufenen Methoden eintragen. */
static void construct_call(ir_node * call) {
/* Grundblock der Call-Operation aufteilen. CallBegin- und Filter-Operationen
* einfügen. Die Steuer- und Datenflussabhängigkeiten von den aufgerufenen
* Methoden auf die CallBegin-Operation, und von der Aufrufstelle auf die
* aufgerufenen Methoden eintragen. */
static void construct_call(ir_node * call) {
- int n_callees = get_Call_n_callees(call);
- ir_node * post_block = get_nodes_block(call); /* block nach dem Aufruf */
- ir_node * pre_block = create_Block(get_Block_n_cfgpreds(post_block),
- get_Block_cfgpred_arr(post_block)); /* block vor dem Aufruf (mit CallBegin) */
- ir_node * except_block = NULL, * proj;
- ir_node * jmp = new_Break(); /* Sprung für intraprozedurale Darstellung (in
- * pre_block) */
- ir_node * call_begin = new_CallBegin(call); /* (in pre_block) */
+ int i, n_callees;
+ ir_node *post_block, *pre_block, *except_block, * proj, *jmp, *call_begin;
+ ir_node ** in;
+ ir_entity * caller;
+ ir_entity ** callees;
+ ir_graph ** irgs;
+ irg_data_t ** data;
+
+ n_callees = get_Call_n_callees(call);
+ post_block = get_nodes_block(call); /* block nach dem Aufruf */
+ pre_block = create_Block(get_Block_n_cfgpreds(post_block),
+ get_Block_cfgpred_arr(post_block)); /* block vor dem Aufruf (mit CallBegin) */
+ except_block = NULL;
+ jmp = new_Break(); /* Sprung für intraprozedurale Darstellung (in * pre_block) */
+ call_begin = new_CallBegin(call); /* (in pre_block) */
/* CallBegin might be entry to endless recursion. */
add_End_keepalive(get_irg_end(get_irn_irg(pre_block)), pre_block);
/* CallBegin might be entry to endless recursion. */
add_End_keepalive(get_irg_end(get_irn_irg(pre_block)), pre_block);
- ir_node ** in = NEW_ARR_F(ir_node *, n_callees);
- entity * caller = get_irg_entity(current_ir_graph); /* entity des aktuellen ir_graph */
- entity ** callees = NEW_ARR_F(entity *, n_callees); /* aufgerufene Methoden: entity */
- ir_graph ** irgs = NEW_ARR_F(ir_graph *, n_callees); /* aufgerufene Methoden: ir_graph */
- irg_data_t ** data = NEW_ARR_F(irg_data_t *, n_callees); /* aufgerufene Methoden: irg_data_t */
- int i;
+
+ in = NEW_ARR_F(ir_node *, n_callees);
+ caller = get_irg_entity(current_ir_graph); /* entity des aktuellen ir_graph */
+ callees = NEW_ARR_F(ir_entity *, n_callees); /* aufgerufene Methoden: entity */
+ irgs = NEW_ARR_F(ir_graph *, n_callees); /* aufgerufene Methoden: ir_graph */
+ data = NEW_ARR_F(irg_data_t *, n_callees); /* aufgerufene Methoden: irg_data_t */
/* post_block kann bereits interprozedurale Steuerflussvorgänger
* besitzen. Diese müssen dann auch noch für den pre_block gesetzt werden. */
/* post_block kann bereits interprozedurale Steuerflussvorgänger
* besitzen. Diese müssen dann auch noch für den pre_block gesetzt werden. */
- in[i] = new_r_Proj(irgs[i], get_nodes_block(data[i]->reg),
- data[i]->reg, mode_X, data[i]->count);
+ in[i] = new_r_Proj(irgs[i], get_nodes_block(data[i]->reg),
+ data[i]->reg, mode_X, data[i]->count);
Frim. So directly branch to the end block with all exceptions. */
exc_to_end = true;
if (is_outermost_graph(current_ir_graph)) {
Frim. So directly branch to the end block with all exceptions. */
exc_to_end = true;
if (is_outermost_graph(current_ir_graph)) {
- irg_data_t * tmp_data = get_entity_link(get_irg_entity(current_ir_graph));
- except_block = get_nodes_block(tmp_data->except);
+ irg_data_t * tmp_data = get_entity_link(get_irg_entity(current_ir_graph));
+ except_block = get_nodes_block(tmp_data->except);
}
} else {
except_block = create_Block(1, &proj);
set_nodes_block(proj, except_block);
exchange(proj, new_Break());
set_irg_current_block(current_ir_graph, pre_block);
}
} else {
except_block = create_Block(1, &proj);
set_nodes_block(proj, except_block);
exchange(proj, new_Break());
set_irg_current_block(current_ir_graph, pre_block);
- set_irn_n(except_block, 0, new_Proj(call, mode_X, 1));
+ set_irn_n(except_block, 0, new_Proj(call, mode_X, pn_Call_X_except));
- if (data[i]->except) {
- in[i] = new_r_Proj(get_entity_irg(callee), get_nodes_block(data[i]->except),
- data[i]->except, mode_X, data[i]->count);
- } else {
- in[i] = new_Bad();
- }
+ if (data[i]->except) {
+ in[i] = new_r_Proj(get_entity_irg(callee), get_nodes_block(data[i]->except),
+ data[i]->except, mode_X, data[i]->count);
+ } else {
+ in[i] = new_Bad();
+ }
/* append all existing preds of the end block to new in array.
* Normal access routine guarantees that with first visit we
* get the normal preds, and from then on the _cg_ preds.
/* append all existing preds of the end block to new in array.
* Normal access routine guarantees that with first visit we
* get the normal preds, and from then on the _cg_ preds.
* Do not add the exc pred of end we are replacing! */
for (i = get_Block_n_cfgpreds(except_block)-1; i >= 0; --i) {
* Do not add the exc pred of end we are replacing! */
for (i = get_Block_n_cfgpreds(except_block)-1; i >= 0; --i) {
- ir_node *pred = get_Block_cfgpred(except_block, i);
- if (pred != proj) {
- ARR_APP1(ir_node *, in, pred);
- preds++;
- }
+ ir_node *pred = get_Block_cfgpred(except_block, i);
+ if (pred != proj) {
+ ARR_APP1(ir_node *, in, pred);
+ preds++;
+ }
if (skip_Proj(get_Proj_pred(proj)) != call) continue;
if (get_Proj_pred(proj) == call) {
if (get_Proj_proj(proj) == pn_Call_M_regular) { /* memory */
if (skip_Proj(get_Proj_pred(proj)) != call) continue;
if (get_Proj_pred(proj) == call) {
if (get_Proj_proj(proj) == pn_Call_M_regular) { /* memory */
- ir_node * filter;
-
- set_nodes_block(proj, post_block);
- filter = exchange_proj(proj);
- /* filter in die Liste der Phis aufnehmen */
- if (get_irn_link(filter) == NULL) { /* note CSE */
- set_irn_link(filter, get_irn_link(post_block));
- set_irn_link(post_block, filter);
- }
- fill_mem(n_callees, data, in);
- set_Filter_cg_pred_arr(filter, n_callees, in);
+ ir_node * filter;
+
+ set_nodes_block(proj, post_block);
+ filter = exchange_proj(proj);
+ /* filter in die Liste der Phis aufnehmen */
+ if (get_irn_link(filter) == NULL) { /* note CSE */
+ set_irn_link(filter, get_irn_link(post_block));
+ set_irn_link(post_block, filter);
+ }
+ fill_mem(n_callees, data, in);
+ set_Filter_cg_pred_arr(filter, n_callees, in);
- set_nodes_block(proj, post_block);
- assert(except_block);
- set_irg_current_block(current_ir_graph, except_block);
- filter = exchange_proj(proj);
- /* filter in die Liste der Phis aufnehmen */
- if (get_irn_link(filter) == NULL) { /* note CSE */
- set_irn_link(filter, get_irn_link(except_block));
- set_irn_link(except_block, filter);
- }
- set_irg_current_block(current_ir_graph, post_block);
- fill_except_mem(n_callees, data, in);
- set_Filter_cg_pred_arr(filter, n_callees, in);
+ set_nodes_block(proj, post_block);
+ assert(except_block);
+ set_irg_current_block(current_ir_graph, except_block);
+ filter = exchange_proj(proj);
+ /* filter in die Liste der Phis aufnehmen */
+ if (get_irn_link(filter) == NULL) { /* note CSE */
+ set_irn_link(filter, get_irn_link(except_block));
+ set_irn_link(except_block, filter);
+ }
+ set_irg_current_block(current_ir_graph, post_block);
+ fill_except_mem(n_callees, data, in);
+ set_Filter_cg_pred_arr(filter, n_callees, in);
filter = exchange_proj(proj);
/* filter in die Liste der Phis aufnehmen */
if (get_irn_link(filter) == NULL) { /* not CSE */
filter = exchange_proj(proj);
/* filter in die Liste der Phis aufnehmen */
if (get_irn_link(filter) == NULL) { /* not CSE */
- set_irn_link(filter, get_irn_link(post_block));
- set_irn_link(post_block, filter);
+ set_irn_link(filter, get_irn_link(post_block));
+ set_irn_link(post_block, filter);
}
fill_result(get_Proj_proj(filter), n_callees, data, in, get_irn_mode(filter));
set_Filter_cg_pred_arr(filter, n_callees, in);
}
fill_result(get_Proj_proj(filter), n_callees, data, in, get_irn_mode(filter));
set_Filter_cg_pred_arr(filter, n_callees, in);
current_ir_graph = get_irp_irg(i);
for (node = get_irn_link(get_irg_end(current_ir_graph)); node; node = get_irn_link(node)) {
current_ir_graph = get_irp_irg(i);
for (node = get_irn_link(get_irg_end(current_ir_graph)); node; node = get_irn_link(node)) {
- if (get_irn_op(node) == op_Call) {
- int j, n_callees = get_Call_n_callees(node);
- for (j = 0; j < n_callees; ++j)
- if (get_entity_irg(get_Call_callee(node, j)))
- break;
- if (j < n_callees) /* There is an entity with a graph */
- construct_call(node);
+ if (is_Call(node)) {
+ int j, n_callees = get_Call_n_callees(node);
+ for (j = 0; j < n_callees; ++j)
+ if (get_entity_irg(get_Call_callee(node, j)))
+ break;
+ if (j < n_callees) /* There is an entity with a graph */
+ construct_call(node);
- /* Do not turn Break into Jmp. Better: merge blocks right away. */
+ /* Do not turn Break into Jmp. Better: merge blocks right away.
+ Well, but there are Breaks left.
+ See exc1 from ajacs-rts/Exceptions.java. */
if (get_Block_n_cfgpreds(node) == 1) {
ir_node *pred = get_Block_cfgpred(node, 0);
if (get_irn_op(pred) == op_Break)
exchange(node, get_nodes_block(pred));
}
if (get_Block_n_cfgpreds(node) == 1) {
ir_node *pred = get_Block_cfgpred(node, 0);
if (get_irn_op(pred) == op_Break)
exchange(node, get_nodes_block(pred));
}
set_irg_current_block(current_ir_graph, get_nodes_block(node));
exchange(node, new_Proj(get_Filter_pred(node), get_irn_mode(node), get_Filter_proj(node)));
} else if (get_irn_op(node) == op_Break) {
set_irg_current_block(current_ir_graph, get_nodes_block(node));
exchange(node, new_Proj(get_Filter_pred(node), get_irn_mode(node), get_Filter_proj(node)));
} else if (get_irn_op(node) == op_Break) {
- //set_irg_current_block(current_ir_graph, get_nodes_block(node));
- //exchange(node, new_Jmp());
- } else if (get_irn_op(node) == op_Call) {
+ set_irg_current_block(current_ir_graph, get_nodes_block(node));
+ exchange(node, new_Jmp());
+ } else if (is_Call(node)) {
if (get_irp_ip_view_state() != ip_view_no) {
for (i = get_irp_n_irgs() - 1; i >= 0; --i) {
ir_graph * irg = get_irp_irg(i);
if (get_irp_ip_view_state() != ip_view_no) {
for (i = get_irp_n_irgs() - 1; i >= 0; --i) {
ir_graph * irg = get_irp_irg(i);
- irg_walk_graph(irg, destruct_walker, clear_link, NULL);
- set_irg_frame(irg, skip_Id(get_irg_frame(irg)));
- set_irg_globals(irg, skip_Id(get_irg_globals(irg)));
- set_irg_initial_mem(irg, skip_Id(get_irg_initial_mem(irg)));
+ irg_walk_graph(irg, destruct_walker, firm_clear_link, NULL);
+
+ set_irg_initial_exec(irg, skip_Id(get_irg_initial_exec(irg)));
+ set_irg_frame (irg, skip_Id(get_irg_frame(irg)));
+ set_irg_initial_mem (irg, skip_Id(get_irg_initial_mem(irg)));
+ set_irg_end_reg (irg, get_irg_end(irg));
+ set_irg_end_except (irg, get_irg_end(irg));
+