X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fir%2Fircgcons.c;h=78df170a4fa117fa2052884d32b4294ebfb769f6;hb=169fd803ea2ed08171113c1fd7ab4e528e1ebc26;hp=75a5c818084c8408419e0ad5fa64988e74f7f0b1;hpb=9fe9c20a1570729f1bdd21a6f174ec045d2ff986;p=libfirm diff --git a/ir/ir/ircgcons.c b/ir/ir/ircgcons.c index 75a5c8180..78df170a4 100644 --- a/ir/ir/ircgcons.c +++ b/ir/ir/ircgcons.c @@ -29,7 +29,7 @@ #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) { @@ -56,8 +56,8 @@ typedef struct { } 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; } @@ -99,11 +99,6 @@ static void caller_init(int arr_length, entity ** free_methods) { } } - -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; @@ -167,7 +162,7 @@ static void collect_phicallproj(void) { 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); } } @@ -593,22 +588,29 @@ static bool is_outermost_graph(ir_graph *irg) { * 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. */ @@ -644,10 +646,10 @@ static void construct_call(ir_node * call) { 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); @@ -669,10 +671,10 @@ static void construct_call(ir_node * call) { 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 { except_block = create_Block(1, &proj); @@ -692,14 +694,14 @@ static void construct_call(ir_node * call) { 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); } } @@ -708,14 +710,14 @@ static void construct_call(ir_node * call) { /* 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); @@ -738,38 +740,38 @@ static void construct_call(ir_node * call) { 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); } else if (get_Proj_proj(proj) == pn_Call_X_except) { /* except */ - /* nothing: siehe oben */ + /* nothing: siehe oben */ } else if (get_Proj_proj(proj) == pn_Call_T_result) { /* results */ - /* nothing */ + /* 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; @@ -779,8 +781,8 @@ static void construct_call(ir_node * call) { 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); @@ -853,7 +855,9 @@ void cg_construct(int arr_len, entity ** free_methods_arr) { 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) @@ -863,12 +867,12 @@ static void destruct_walker(ir_node * node, void * env) { 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))); } } @@ -879,14 +883,17 @@ void cg_destruct(void) { 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); } }