* Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
*/
#ifdef HAVE_CONFIG_H
-# include <config.h>
+# include "config.h"
#endif
+#ifdef HAVE_STRING_H
#include <string.h>
+#endif
+
#include <stdbool.h>
#include "ircgcons.h"
#include "irgmod.h"
#include "irgwalk.h"
#include "irflag_t.h"
-
+#include "irtools.h"
/* Return the current state of the interprocedural view. */
ip_view_state get_irp_ip_view_state(void) {
} irg_data_t;
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 */
+ irg_data_t *data = xmalloc(sizeof(*data));
+ memset(data, 0, sizeof(*data)); /* init */
return data;
}
for (call = get_irn_link(get_irg_end(irg)); call; call = get_irn_link(call)) {
if (get_irn_op(call) != op_Call) continue;
for (j = get_Call_n_callees(call) - 1; j >= 0; --j) {
- entity * ent = get_Call_callee(call, j);
- if (ent) {
- irg_data_t * data = get_entity_link(ent);
+ entity * ent = get_Call_callee(call, j);
+ if (get_entity_irg(ent)) {
+ irg_data_t * data = get_entity_link(ent);
# ifndef CATE_jni
- assert(get_entity_irg(ent) && data);
- ++data->count;
+ assert(get_entity_irg(ent) && data);
+ ++data->count;
# endif /* ndef CATE_jni */
- }
+ } else {
+ set_entity_link(ent, NULL);
+ }
}
}
}
}
-
-static INLINE void clear_link(ir_node * node, void * env) {
- set_irn_link(node, NULL);
-}
-
/*
static INLINE ir_node * tail(ir_node * node) {
ir_node * link;
link(start, get_irg_frame(irg));
link(start, get_irg_globals(irg));
/* walk */
- 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);
}
}
int n_ret = 0;
for (i = get_Block_n_cfgpreds(end_block) - 1; i >= 0; --i) {
- if (get_irn_op(cfgpred_arr[i]) == op_Return) {
+ if (is_Return(cfgpred_arr[i])) {
if (ret_arr) {
- ARR_APP1(ir_node *, ret_arr, cfgpred_arr[i]);
+ ARR_APP1(ir_node *, ret_arr, cfgpred_arr[i]);
} else {
- 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];
}
++n_ret;
}
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) {
- if (get_irn_op(cfgpred_arr[i]) != op_Return) {
+ if (! is_Return(cfgpred_arr[i])) {
if (except_arr) {
- ARR_APP1(ir_node *, except_arr, cfgpred_arr[i]);
+ ARR_APP1(ir_node *, except_arr, cfgpred_arr[i]);
} else {
- 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];
}
++n_except;
}
data->except = new_EndExcept();
/* mem */
for (i = n_except - 1; i >= 0; --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);
+ } else if (op == op_Bound) {
+ in[i] = new_r_Proj(irg, get_nodes_block(node), node, mode_M, pn_Bound_M_except);
} else {
- 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);
}
}
data->except_mem = new_Phi(n_except, in, mode_M);
/* 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) {
+ 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);
assert(irg);
assert(get_entity_peculiarity(callee) == peculiarity_existent); /* Else data is not initalized. */
assert((0 <= data->count) &&
- (data->count < get_Block_cg_n_cfgpreds(get_nodes_block(start))));
+ (data->count < get_Block_cg_n_cfgpreds(get_nodes_block(start))));
set_Block_cg_cfgpred(get_nodes_block(start), data->count, exec);
for (filter = get_irn_link(start); filter; filter = get_irn_link(filter)) {
for (i = 0; i < length; ++i) {
if (data[i]) { /* explicit */
if (data[i]->reg) {
- in[i] = data[i]->mem;
+ in[i] = data[i]->mem;
} else {
- in[i] = new_Bad();
+ in[i] = new_Bad();
}
} else { /* unknown */
in[i] = get_cg_Unknown(mode_M);
for (i = 0; i < length; ++i) {
if (data[i]) { /* explicit */
if (data[i]->except) {
- in[i] = data[i]->except_mem;
+ in[i] = data[i]->except_mem;
} else {
- in[i] = new_Bad();
+ in[i] = new_Bad();
}
} else { /* unknown */
in[i] = get_cg_Unknown(mode_M);
for (i = 0; i < length; ++i) {
if (data[i]) { /* explicit */
if (data[i]->reg) {
- in[i] = data[i]->res[pos];
+ in[i] = data[i]->res[pos];
} else {
- in[i] = new_Bad();
+ in[i] = new_Bad();
}
} else { /* unknown */
in[i] = get_cg_Unknown(m);
* 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;
+ entity * caller;
+ 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);
- 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(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. */
/* Wiederverwendete Daten initialisieren. */
for (i = 0; i < n_callees; ++i) {
callees[i] = get_Call_callee(call, i);
- irgs[i] = callees[i] ? get_entity_irg(callees[i]) : NULL;
+ irgs[i] = get_entity_irg(callees[i]);
data[i] = get_entity_link(callees[i]);
+ /* Only entities that have an irg got a irg_data data structure.
+ In others there is some arbitrary garbage in the link field. */
+ if (!irgs[i]) { assert(!data[i]); data[i] = NULL; }
}
/*
for (i = 0; i < n_callees; ++i) {
if (data[i]) { /* explicit */
if (data[i]->reg) {
- 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);
} else {
- in[i] = new_Bad();
+ in[i] = new_Bad();
}
} else { /* unknown */
in[i] = get_cg_Unknown(mode_X);
bool exc_to_end = false;
if (exc_branches_to_end(current_ir_graph, proj)) {
/* The Call aborts the procedure if it returns with an exception.
- If this is an outermost procedure, the normal handling of exceptions
- will generate a Break that goes to the end block. This is illegal
- Frim. So directly branch to the end block with all exceptions. */
+ If this is an outermost procedure, the normal handling of exceptions
+ will generate a Break that goes to the end block. This is illegal
+ Frim. So directly branch to the end block with all exceptions. */
exc_to_end = true;
if (is_outermost_graph(current_ir_graph)) {
- except_block = get_irg_end_block(current_ir_graph);
+ except_block = get_irg_end_block(current_ir_graph);
} else {
- 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
- {
+ } 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));
set_irg_current_block(current_ir_graph, post_block);
}
for (i = 0; i < n_callees; ++i) {
entity * callee = get_Call_callee(call, i);
if (data[i]) { /* explicit */
- 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();
+ }
} else { /* unknown */
- in[i] = get_cg_Unknown(mode_X);
+ in[i] = get_cg_Unknown(mode_X);
}
}
/* 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.
- * (interporcedural view is set!)
+ * (interprocedural view is set!)
* 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++;
+ }
}
}
set_Block_cg_cfgpred_arr(except_block, preds, in);
* eintragen. */
set_irg_current_block(current_ir_graph, pre_block);
for (i = 0; i < n_callees; ++i) {
- construct_start(caller, callees[i], call, new_Proj(call_begin, mode_X, i));
+ if (irgs[i]) /* Else there is not graph to call */
+ construct_start(caller, callees[i], call, new_Proj(call_begin, mode_X, i));
}
/* Proj-Operationen in Filter-Operationen umwandeln und
if (get_irn_op(proj) != op_Proj) continue;
if (skip_Proj(get_Proj_pred(proj)) != call) continue;
if (get_Proj_pred(proj) == call) {
- if (get_Proj_proj(proj) == 0) { /* 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);
- } else if (get_Proj_proj(proj) == 1) { /* except */
- /* nothing: siehe oben */
- } else if (get_Proj_proj(proj) == 2) { /* results */
- /* nothing */
- } else if (get_Proj_proj(proj) == 3) { /* except_mem */
+ 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);
+ } else if (get_Proj_proj(proj) == pn_Call_X_except) { /* except */
+ /* nothing: siehe oben */
+ } else if (get_Proj_proj(proj) == pn_Call_T_result) { /* results */
+ /* nothing */
+ } else if (get_Proj_proj(proj) == pn_Call_M_except) { /* except_mem */
ir_node * filter;
- 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);
} else {
- assert(0 && "not reached");
+ assert(0 && "not reached");
}
} else { /* result */
ir_node * filter;
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);
/* construct calls */
for (i = get_irp_n_irgs() - 1; i >= 0; --i) {
ir_node * node;
- int n_callees;
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) {
- n_callees = get_Call_n_callees(node);
- if (n_callees > 1 || (n_callees == 1 && get_Call_callee(node, 0) != NULL)) {
- construct_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);
}
}
}
static void destruct_walker(ir_node * node, void * env) {
if (get_irn_op(node) == op_Block) {
remove_Block_cg_cfgpred_arr(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)
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());
+ set_irg_current_block(current_ir_graph, get_nodes_block(node));
+ exchange(node, new_Jmp());
} else if (get_irn_op(node) == op_Call) {
remove_Call_callee_arr(node);
} else if (get_irn_op(node) == op_Proj) {
- /* some ProjX end up in strage blocks. */
+ /* some ProjX end up in strange blocks. */
set_nodes_block(node, get_nodes_block(get_Proj_pred(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);
- 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)));
+ irg_walk_graph(irg, destruct_walker, firm_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)));
+ set_irg_end_reg (irg, get_irg_end(irg));
+ set_irg_end_except (irg, get_irg_end(irg));
+
set_irg_callee_info_state(irg, irg_callee_info_none);
- set_irg_end_reg(irg, get_irg_end(irg));
- set_irg_end_except(irg, get_irg_end(irg));
}
+
set_irp_ip_view(ip_view_no);
}
}
projects / libfirm / blobdiff