3 * File name: ir/ir/irvrfy.c
4 * Purpose: Check irnodes for correctness.
5 * Author: Christian Schaefer
6 * Modified by: Goetz Lindenmaier. Till Riedel
9 * Copyright: (c) 1998-2003 Universität Karlsruhe
10 * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
18 # include "irgraph_t.h"
19 # include "ircgcons.h"
26 * in RELEASE mode, returns ret if the expression expr evaluates to zero
27 * in ASSERT mode, asserts the expression expr (and the string string).
29 #define ASSERT_AND_RET(expr, string, ret) if (!(expr)) return (ret)
32 * in RELEASE mode, returns ret if the expression expr evaluates to zero
33 * in ASSERT mode, executes blk if the expression expr evaluates to zero and asserts expr
35 #define ASSERT_AND_RET_DBG(expr, string, ret, blk) if (!(expr)) return (ret)
37 #define ASSERT_AND_RET(expr, string, ret) \
39 if (opt_do_node_verification == NODE_VERIFICATION_ON) {\
40 if (!(expr) && current_ir_graph != get_const_code_irg()) \
41 dump_ir_block_graph(current_ir_graph, "-assert"); \
42 assert((expr) && string); } \
44 if (opt_do_node_verification == NODE_VERIFICATION_REPORT) \
45 fprintf(stderr, #expr " : " string "\n"); \
46 bad_msg = #expr " && " string; \
51 #define ASSERT_AND_RET_DBG(expr, string, ret, blk) \
54 bad_msg = #expr " && " string; \
55 if (opt_do_node_verification != NODE_VERIFICATION_ERROR_ONLY) { blk; } \
56 if (opt_do_node_verification == NODE_VERIFICATION_REPORT) \
57 fprintf(stderr, #expr " : " string "\n"); \
58 else if (opt_do_node_verification == NODE_VERIFICATION_ON) \
59 assert((expr) && string); \
66 /** if this flag is set, verify entity types in Load & Store nodes */
67 static int vrfy_entities = 0;
69 /* @@@ replace use of array "in" by access functions. */
70 ir_node **get_irn_in(ir_node *node);
72 static node_verification_t opt_do_node_verification = NODE_VERIFICATION_ON;
73 static const char *bad_msg;
75 /* enable verification of Load/Store entities */
76 void vrfy_enable_entity_tests(int enable)
78 vrfy_entities = enable;
82 * little helper for NULL modes
84 static const char *get_mode_name_ex(ir_mode *mode)
88 return get_mode_name(mode);
91 void do_node_verification(node_verification_t mode)
93 opt_do_node_verification = mode;
97 * Prints a failure for a Node
99 static void show_node_failure(ir_node *n)
101 fprintf(stderr, "\nFIRM: irn_vrfy_irg() of node %ld %s%s\n" ,
103 get_irn_opname(n), get_irn_modename(n)
108 * Prints a failure message for a binop
110 static void show_binop_failure(ir_node *n, const char *text)
112 ir_node *left = get_binop_left(n);
113 ir_node *right = get_binop_right(n);
115 fprintf(stderr, "\nFIRM: irn_vrfy_irg() of node %ld %s%s(%s%s, %s%s) did not match (%s)\n",
117 get_irn_opname(n), get_irn_modename(n),
118 get_irn_opname(left), get_irn_modename(left),
119 get_irn_opname(right), get_irn_modename(right),
124 * Prints a failure message for an unop
126 static void show_unop_failure(ir_node *n, const char *text)
128 ir_node *op = get_unop_op(n);
130 fprintf(stderr, "\nFIRM: irn_vrfy_irg() of node %ld %s%s(%s%s) did not match (%s)\n",
132 get_irn_opname(n), get_irn_modename(n),
133 get_irn_opname(op), get_irn_modename(op),
138 * Prints a failure message for an op with 3 operands
140 static void show_triop_failure(ir_node *n, const char *text)
142 ir_node *op0 = get_irn_n(n, 0);
143 ir_node *op1 = get_irn_n(n, 1);
144 ir_node *op2 = get_irn_n(n, 2);
146 fprintf(stderr, "\nFIRM: irn_vrfy_irg() of node %ld %s%s(%s%s, %s%s, %s%s) did not match (%s)\n",
148 get_irn_opname(n), get_irn_modename(n),
149 get_irn_opname(op0), get_irn_modename(op0),
150 get_irn_opname(op1), get_irn_modename(op1),
151 get_irn_opname(op2), get_irn_modename(op2),
156 * Prints a failure message for a proj
158 static void show_proj_failure(ir_node *n)
160 ir_node *op = get_Proj_pred(n);
161 int proj = get_Proj_proj(n);
163 fprintf(stderr, "\nFIRM: irn_vrfy_irg() of node %ld %s%s %d(%s%s) failed\n" ,
165 get_irn_opname(n), get_irn_modename(n), proj,
166 get_irn_opname(op), get_irn_modename(op));
170 * Prints a failure message for a proj
172 static void show_proj_failure_ent(ir_node *n, entity *ent)
174 ir_node *op = get_Proj_pred(n);
175 int proj = get_Proj_proj(n);
176 ir_mode *m = get_type_mode(get_entity_type(ent));
178 fprintf(stderr, "\nFIRM: irn_vrfy_irg() of node %ld %s%s %d(%s%s) entity %s(type %s mode %s)failed\n" ,
180 get_irn_opname(n), get_irn_modename(n), proj,
181 get_irn_opname(op), get_irn_modename(op),
182 get_entity_name(ent), get_type_name(get_entity_type(ent)),
183 get_mode_name_ex(m));
187 * Show a node and a graph
189 static void show_node_on_graph(ir_graph *irg, ir_node *n)
191 entity *ent = get_irg_entity(irg);
194 fprintf(stderr, "\nFIRM: irn_vrfy_irg() of entity %s, node %ld %s%s\n",
195 get_entity_name(ent),
196 get_irn_node_nr(n), get_irn_opname(n), get_irn_modename(n));
198 fprintf(stderr, "\nFIRM: irn_vrfy_irg() of graph %p, node %ld %s%s\n",
200 get_irn_node_nr(n), get_irn_opname(n), get_irn_modename(n));
206 static void show_call_param(ir_node *n, type *mt)
210 fprintf(stderr, "\nFIRM: irn_vrfy_irg() Call type-check failed: %s(", get_type_name(mt));
211 for (i = 0; i < get_method_n_params(mt); ++i) {
212 fprintf(stderr, "%s ", get_mode_name_ex(get_type_mode(get_method_param_type(mt, i))));
214 fprintf(stderr, ") != CALL(");
216 for (i = 0; i < get_Call_n_params(n); ++i) {
217 fprintf(stderr, "%s ", get_mode_name_ex(get_irn_mode(get_Call_param(n, i))));
219 fprintf(stderr, ")\n");
226 static void show_return_modes(ir_graph *irg, ir_node *n, type *mt, int i)
228 entity *ent = get_irg_entity(irg);
230 fprintf(stderr, "\nFIRM: irn_vrfy_irg() Return node %ld in entity \"%s\" mode %s different from type mode %s\n",
231 get_irn_node_nr(n), get_entity_name(ent),
232 get_mode_name_ex(get_irn_mode(get_Return_res(n, i))),
233 get_mode_name_ex(get_type_mode(get_method_res_type(mt, i)))
238 * Show return number of results
240 static void show_return_nres(ir_graph *irg, ir_node *n, type *mt)
242 entity *ent = get_irg_entity(irg);
244 fprintf(stderr, "\nFIRM: irn_vrfy_irg() Return node %ld in entity \"%s\" has %d results different from type %d\n",
245 get_irn_node_nr(n), get_entity_name(ent),
246 get_Return_n_ress(n), get_method_n_ress(mt));
252 static void show_phi_failure(ir_node *phi, ir_node *pred, int pos)
254 fprintf(stderr, "\nFIRM: irn_vrfy_irg() Phi node %ld has mode %s different from predeccessor node %ld mode %s\n",
255 get_irn_node_nr(phi), get_mode_name_ex(get_irn_mode(phi)),
256 get_irn_node_nr(pred), get_mode_name_ex(get_irn_mode(pred)));
262 static void show_phi_inputs(ir_node *phi, ir_node *block)
264 fprintf(stderr, "\nFIRM: irn_vrfy_irg() Phi node %ld has %d inputs, its Block %ld has %d\n",
265 get_irn_node_nr(phi), get_irn_arity(phi),
266 get_irn_node_nr(block), get_irn_arity(block));
269 /* If the address is Sel or SymConst, return the entity. */
270 static entity *get_ptr_entity(ir_node *ptr) {
271 if (get_irn_op(ptr) == op_Sel) {
272 return get_Sel_entity(ptr);
273 } else if ((get_irn_op(ptr) == op_SymConst) && (get_SymConst_kind(ptr) == symconst_addr_ent)) {
274 return get_SymConst_entity(ptr);
280 * verify the Proj number
283 vrfy_Proj_proj(ir_node *p, ir_graph *irg) {
288 pred = skip_Id(get_Proj_pred(p));
289 ASSERT_AND_RET(get_irn_mode(pred) == mode_T, "mode of a 'projed' node is not Tuple", 0);
290 mode = get_irn_mode(p);
291 proj = get_Proj_proj(p);
293 switch (get_irn_opcode(pred)) {
297 (proj == pn_Start_X_initial_exec && mode == mode_X) ||
298 (proj == pn_Start_M && mode == mode_M) ||
299 (proj == pn_Start_P_frame_base && mode_is_reference(mode)) ||
300 (proj == pn_Start_P_globals && mode_is_reference(mode)) ||
301 (proj == pn_Start_T_args && mode == mode_T) ||
302 (proj == pn_Start_P_value_arg_base && mode_is_reference(mode)) ||
303 (proj == pn_Start_P_value_arg_base && mode == mode_T) /* FIXME: only one of those */
305 "wrong Proj from Start", 0,
306 show_proj_failure(p);
313 (proj >= 0 && mode == mode_X && get_irn_mode(get_Cond_selector(pred)) == mode_b) || /* compare */
314 (mode == mode_X && mode_is_int(get_irn_mode(get_Cond_selector(pred)))) /* switch */
316 "wrong Proj from Cond", 0,
317 show_proj_failure(p);
323 ((proj == pn_Raise_X && mode == mode_X) || (proj == pn_Raise_M && mode == mode_M)),
324 "wrong Proj from Raise", 0,
325 show_proj_failure(p);
331 (proj >= 0 && mode == mode_X),
332 "wrong Proj from InstOf", 0,
333 show_proj_failure(p);
339 ((proj == pn_Call_M_regular && mode == mode_M) ||
340 (proj == pn_Call_X_except && mode == mode_X) ||
341 (proj == pn_Call_T_result && mode == mode_T) ||
342 (proj == pn_Call_M_except && mode == mode_M) ||
343 (proj == pn_Call_P_value_res_base && mode == mode_P)),
344 "wrong Proj from Call", 0,
345 show_proj_failure(p);
352 ((proj == pn_Quot_M && mode == mode_M) ||
353 (proj == pn_Quot_X_except && mode == mode_X) ||
354 (proj == pn_Quot_res && mode_is_float(mode))),
355 "wrong Proj from Quot", 0,
356 show_proj_failure(p);
362 ((proj == pn_DivMod_M && mode == mode_M) ||
363 (proj == pn_DivMod_X_except && mode == mode_X) ||
364 (proj == pn_DivMod_res_div && mode_is_int(mode)) ||
365 (proj == pn_DivMod_res_mod && mode_is_int(mode))),
366 "wrong Proj from DivMod", 0,
367 show_proj_failure(p);
373 ((proj == pn_Div_M && mode == mode_M) ||
374 (proj == pn_Div_X_except && mode == mode_X) ||
375 (proj == pn_Div_res && mode_is_int(mode))),
376 "wrong Proj from Div or Mod", 0,
377 show_proj_failure(p);
383 ((proj == pn_Mod_M && mode == mode_M) ||
384 (proj == pn_Mod_X_except && mode == mode_X) ||
385 (proj == pn_Mod_res && mode_is_int(mode))),
386 "wrong Proj from Div or Mod", 0,
387 show_proj_failure(p);
393 (proj >= 0 && proj <= 15 && mode == mode_b),
394 "wrong Proj from Cmp", 0,
395 show_proj_failure(p);
400 if (proj == pn_Load_res) {
401 ir_node *ptr = get_Load_ptr(pred);
402 entity *ent = get_ptr_entity(ptr);
404 if (vrfy_entities && ent && get_irg_phase_state(current_ir_graph) == phase_high) {
405 /* do NOT check this for lowered phases, see comment on Store */
407 (mode == get_type_mode(get_entity_type(ent))),
408 "wrong data Proj from Load, entity type_mode failed", 0,
409 show_proj_failure_ent(p, ent);
414 mode_is_data(mode) && mode == get_Load_mode(pred),
415 "wrong data Proj from Load", 0,
416 show_proj_failure(p);
421 ((proj == pn_Load_M && mode == mode_M) ||
422 (proj == pn_Load_X_except && mode == mode_X)),
423 "wrong Proj from Load", 0,
424 show_proj_failure(p);
431 ((proj == pn_Store_M && mode == mode_M) ||
432 (proj == pn_Store_X_except && mode == mode_X)),
433 "wrong Proj from Store", 0,
434 show_proj_failure(p);
441 (proj == pn_Alloc_M && mode == mode_M) ||
442 (proj == pn_Alloc_X_except /* && mode == mode_X*/) ||
443 (proj == pn_Alloc_res && mode_is_reference(mode))
445 "wrong Proj from Alloc", 0,
446 show_proj_failure(p);
452 type *mt; /* A method type */
453 long nr = get_Proj_proj(pred);
455 pred = skip_Id(get_Proj_pred(pred));
456 ASSERT_AND_RET((get_irn_mode(pred) == mode_T), "Proj from something not a tuple", 0);
457 switch (get_irn_opcode(pred))
460 mt = get_entity_type(get_irg_entity(irg));
462 if (nr == pn_Start_T_args) {
464 (proj >= 0 && mode_is_data(mode)),
465 "wrong Proj from Proj from Start", 0);
467 (proj < get_method_n_params(mt)),
468 "More Projs for args than args in type", 0
470 if ((mode_is_reference(mode)) && is_compound_type(get_method_param_type(mt, proj)))
471 /* value argument */ break;
474 (mode == get_type_mode(get_method_param_type(mt, proj))),
475 "Mode of Proj from Start doesn't match mode of param type.", 0);
477 else if (nr == pn_Start_P_value_arg_base) {
479 (proj >= 0 && mode_is_reference(mode)),
480 "wrong Proj from Proj from Start", 0
483 (proj < get_method_n_params(mt)),
484 "More Projs for args than args in type", 0
492 (proj >= 0 && mode_is_data(mode)),
493 "wrong Proj from Proj from Call", 0);
494 mt = get_Call_type(pred);
496 (proj < get_method_n_ress(mt)),
497 "More Projs for results than results in type.", 0);
498 if ((mode_is_reference(mode)) && is_compound_type(get_method_res_type(mt, proj)))
499 /* value result */ break;
502 (mode == get_type_mode(get_method_res_type(mt, proj))),
503 "Mode of Proj from Call doesn't match mode of result type.", 0);
512 /* hmm, optimization did not remove it */
516 ASSERT_AND_RET(0, "Unknown opcode", 0);
529 ASSERT_AND_RET((get_irp_ip_view_state() != ip_view_no),
530 "EndReg may only appear if ip view is constructed.", 0);
534 ASSERT_AND_RET((get_irp_ip_view_state() != ip_view_no),
535 "EndExcept may only appear if ip view is constructed.", 0);
539 ASSERT_AND_RET(0, "Unknown opcode", 0);
546 int irn_vrfy_irg(ir_node *n, ir_graph *irg)
550 ir_mode *mymode, *op1mode = NULL, *op2mode, *op3mode;
551 int op_is_symmetric = 1; /* 0: asymmetric
552 1: operands have identical modes
553 2: modes of operands == mode of this node */
554 type *mt; /* A method type */
559 if (!opt_do_node_verification) return 1;
561 if (! get_interprocedural_view()) {
563 * do NOT check placement in interprocedural view, as we don't always know
564 * the "right" graph ...
567 node_is_in_irgs_storage(irg, n),
568 "Node is not stored on proper IR graph!", 0,
569 show_node_on_graph(irg, n);
571 assert(get_irn_irg(n) == irg);
574 opcode = get_irn_opcode(n);
576 /* We don't want to test nodes whose predecessors are Bad,
577 as we would have to special case that for each operation. */
578 if (opcode != iro_Phi && opcode != iro_Block)
579 for (i = 0; i < get_irn_arity(n); i++) {
580 opcode1 = get_irn_opcode(get_irn_n(n, i));
581 if (opcode1 == iro_Bad)
585 mymode = get_irn_mode(n);
591 for (i = 0; i < get_Block_n_cfgpreds(n); ++i) {
592 ir_node *pred = get_Block_cfgpred(n, i);
596 (get_irn_mode(pred) == mode_X)
599 /* End block may only have Return, Raise or fragile ops as preds. */
600 if (n == get_irg_end_block(irg))
601 for (i = 0; i < get_Block_n_cfgpreds(n); ++i) {
602 ir_node *pred = skip_Proj(get_Block_cfgpred(n, i));
603 if (is_Proj(pred) || get_irn_op(pred) == op_Tuple)
604 break; /* We can not test properly. How many tuples are there? */
605 ASSERT_AND_RET(((get_irn_op(pred) == op_Return) ||
607 (get_irn_op(pred) == op_Raise) ||
608 is_fragile_op(pred) ),
609 "End Block node", 0);
611 /* irg attr must == graph we are in. */
612 if (! get_interprocedural_view()) {
613 ASSERT_AND_RET(((get_irn_irg(n) && get_irn_irg(n) == irg)), "Block node has wrong irg attribute", 0);
620 /* Start: BB --> X x M x ref x data1 x ... x datan x ref */
621 mymode == mode_T, "Start node", 0
628 mymode == mode_X, "Jmp node", 0
633 ASSERT_AND_RET((get_irp_ip_view_state() != ip_view_no),
634 "Break may only appear if ip view is constructed.", 0);
637 mymode == mode_X, "Break node", 0
643 op1mode = get_irn_mode(in[1]);
645 /* Cond: BB x b --> X x X */
646 (op1mode == mode_b ||
647 /* Cond: BB x int --> X^n */
648 mode_is_int(op1mode) ), "Cond node", 0
650 ASSERT_AND_RET(mymode == mode_T, "Cond mode is not a tuple", 0);
654 op1mode = get_irn_mode(in[1]);
655 /* Return: BB x M x data1 x ... x datan --> X */
656 /* printf("mode: %s, code %s\n", ID_TO_STR(n->mode->name), ID_TO_STR(n->op->name));*/
657 ASSERT_AND_RET( op1mode == mode_M, "Return node", 0 ); /* operand M */
658 for (i = 2; i < get_irn_arity(n); i++) {
659 ASSERT_AND_RET( mode_is_data(get_irn_mode(in[i])), "Return node", 0 ); /* operand datai */
661 ASSERT_AND_RET( mymode == mode_X, "Result X", 0 ); /* result X */
662 /* Compare returned results with result types of method type */
663 mt = get_entity_type(get_irg_entity(irg));
664 ASSERT_AND_RET_DBG( get_Return_n_ress(n) == get_method_n_ress(mt),
665 "Number of results for Return doesn't match number of results in type.", 0,
666 show_return_nres(irg, n, mt););
667 for (i = 0; i < get_Return_n_ress(n); i++) {
668 type *res_type = get_method_res_type(mt, i);
670 if (is_atomic_type(res_type)) {
672 get_irn_mode(get_Return_res(n, i)) == get_type_mode(res_type),
673 "Mode of result for Return doesn't match mode of result type.", 0,
674 show_return_modes(irg, n, mt, i);
679 mode_is_reference(get_irn_mode(get_Return_res(n, i))),
680 "Mode of result for Return doesn't match mode of result type.", 0,
681 show_return_modes(irg, n, mt, i);
688 op1mode = get_irn_mode(in[1]);
689 op2mode = get_irn_mode(in[2]);
691 /* Sel: BB x M x ref --> X x M */
692 op1mode == mode_M && mode_is_reference(op2mode) &&
693 mymode == mode_T, "Raise node", 0
699 /* Const: BB --> data */
700 (mode_is_data (mymode) ||
701 mymode == mode_b) /* we want boolean constants for static evaluation */
702 ,"Const node", 0 /* of Cmp. */
706 if (get_SymConst_kind(n) == symconst_addr_ent) {
707 entity *ent = get_SymConst_entity(n);
708 if (is_Method_type(get_entity_type(ent)) &&
709 get_irn_irg(n) != get_const_code_irg()) {
711 ASSERT_AND_RET((get_entity_peculiarity(ent) != peculiarity_description),
712 "A constant must address an existing method.", 0);
717 /* SymConst: BB --> int*/
718 (mode_is_int(mymode) ||
719 /* SymConst: BB --> ref */
720 mode_is_reference(mymode))
721 ,"SymConst node", 0);
725 op1mode = get_irn_mode(in[1]);
726 op2mode = get_irn_mode(in[2]);
728 /* Sel: BB x M x ref x int^n --> ref */
729 (op1mode == mode_M && op2mode == mymode && mode_is_reference(mymode)),
730 "Sel node", 0, show_node_failure(n)
732 for (i=3; i < get_irn_arity(n); i++)
734 ASSERT_AND_RET_DBG(mode_is_int(get_irn_mode(in[i])), "Sel node", 0, show_node_failure(n));
736 ent = get_Sel_entity(n);
737 ASSERT_AND_RET_DBG(ent, "Sel node with empty entity", 0, show_node_failure(n));
741 ASSERT_AND_RET(mode_T == mymode, "mode of Instof is not a tuple", 0);
742 ASSERT_AND_RET(mode_is_data(op1mode), "Instof not on data", 0);
746 op1mode = get_irn_mode(in[1]);
747 op2mode = get_irn_mode(in[2]);
748 /* Call: BB x M x ref x data1 x ... x datan
749 --> M x datan+1 x ... x data n+m */
750 ASSERT_AND_RET( op1mode == mode_M && mode_is_reference(op2mode), "Call node", 0 ); /* operand M x ref */
752 mt = get_Call_type(n);
753 if(get_unknown_type() == mt) {
757 for (i=3; i < get_irn_arity(n); i++) {
758 ASSERT_AND_RET( mode_is_data(get_irn_mode(in[i])), "Call node", 0 ); /* operand datai */
760 ASSERT_AND_RET( mymode == mode_T, "Call result not a tuple", 0 ); /* result T */
761 /* Compare arguments of node with those of type */
763 if (get_method_variadicity(mt) == variadicity_variadic) {
765 get_Call_n_params(n) >= get_method_n_params(mt),
766 "Number of args for Call doesn't match number of args in variadic type.",
768 fprintf(stderr, "Call has %d params, method %s type %d\n",
769 get_Call_n_params(n), get_type_name(mt), get_method_n_params(mt));
774 get_Call_n_params(n) == get_method_n_params(mt),
775 "Number of args for Call doesn't match number of args in non variadic type.",
779 for (i = 0; i < get_method_n_params(mt); i++) {
780 type *t = get_method_param_type(mt, i);
782 if (is_atomic_type(t)) {
784 get_irn_mode(get_Call_param(n, i)) == get_type_mode(t),
785 "Mode of arg for Call doesn't match mode of arg type.", 0,
786 show_call_param(n, mt);
790 /* call with a compound type, mode must be reference */
792 mode_is_reference(get_irn_mode(get_Call_param(n, i))),
793 "Mode of arg for Call doesn't match mode of arg type.", 0,
794 show_call_param(n, mt);
800 if (Call_has_callees(n)) {
801 for (i = 0; i < get_Call_n_callees(n); i++) {
802 ASSERT_AND_RET(is_entity(get_Call_callee(n, i)), "callee array must contain entities.", 0);
809 op1mode = get_irn_mode(in[1]);
810 op2mode = get_irn_mode(in[2]);
813 /* common Add: BB x numP x numP --> numP */
814 (op1mode == mymode && op2mode == op1mode && mode_is_numP(mymode)) ||
815 /* Pointer Add: BB x ref x int --> ref */
816 (mode_is_reference(op1mode) && mode_is_int(op2mode) && op1mode == mymode) ||
817 /* Pointer Add: BB x int x ref --> ref */
818 (mode_is_int(op1mode) && op2mode == mymode && mode_is_reference(mymode))
821 show_binop_failure(n, "/* common Add: BB x numP x numP --> numP */ |\n"
822 "/* Pointer Add: BB x ref x int --> ref */ |\n"
823 "/* Pointer Add: BB x int x ref --> ref */");
825 if (mode_is_reference(op1mode) != mode_is_reference(op2mode)) {
826 /* BB x ref x int --> ref or BB x int x ref --> ref */
829 /* BB x num x num --> num or BB x ref x ref */
835 op1mode = get_irn_mode(in[1]);
836 op2mode = get_irn_mode(in[2]);
838 /* common Sub: BB x numP x numP --> numP */
839 ((mymode ==op1mode && mymode == op2mode && mode_is_numP(op1mode)) ||
840 /* Pointer Sub: BB x ref x int --> ref */
841 (op1mode == mymode && mode_is_int(op2mode) && mode_is_reference(mymode)) ||
842 /* Pointer Sub: BB x int x ref --> ref */
843 (mode_is_int(op1mode) && op2mode == mymode && mode_is_reference(mymode)) ||
844 /* Pointer Sub: BB x ref x ref --> int */
845 (op1mode == op2mode && mode_is_reference(op2mode) && mode_is_int(mymode))),
847 show_binop_failure(n, "/* common Sub: BB x numP x numP --> numP */ |\n"
848 "/* Pointer Sub: BB x ref x int --> ref */ |\n"
849 "/* Pointer Sub: BB x int x ref --> ref */ |\n"
850 "/* Pointer Sub: BB x ref x ref --> int */" );
852 if (mode_is_reference(op1mode) != mode_is_reference(op2mode)) {
860 op1mode = get_irn_mode(in[1]);
862 /* Minus: BB x num --> num */
863 op1mode == mymode && mode_is_num(op1mode), "Minus node", 0,
864 show_unop_failure(n , "/* Minus: BB x num --> num */");
870 op1mode = get_irn_mode(in[1]);
871 op2mode = get_irn_mode(in[2]);
873 /* Mul: BB x int1 x int1 --> int2 */
874 ((mode_is_int(op1mode) && op2mode == op1mode && mode_is_int(mymode)) ||
875 /* Mul: BB x float x float --> float */
876 (mode_is_float(op1mode) && op2mode == op1mode && mymode == op1mode)),
878 show_binop_failure(n, "/* Mul: BB x int1 x int1 --> int2 */ |\n"
879 "/* Mul: BB x float x float --> float */");
885 op1mode = get_irn_mode(in[1]);
886 op2mode = get_irn_mode(in[2]);
887 op3mode = get_irn_mode(in[3]);
889 /* Quot: BB x M x float x float --> M x X x float */
890 op1mode == mode_M && op2mode == op3mode &&
891 get_mode_sort(op2mode) == irms_float_number &&
894 show_binop_failure(n, "/* Quot: BB x M x float x float --> M x X x float */");
900 op1mode = get_irn_mode(in[1]);
901 op2mode = get_irn_mode(in[2]);
902 op3mode = get_irn_mode(in[3]);
904 /* DivMod: BB x M x int x int --> M x X x int x int */
906 mode_is_int(op2mode) &&
907 op3mode == op2mode &&
916 op1mode = get_irn_mode(in[1]);
917 op2mode = get_irn_mode(in[2]);
918 op3mode = get_irn_mode(in[3]);
920 /* Div or Mod: BB x M x int x int --> M x X x int */
922 op2mode == op3mode &&
923 mode_is_int(op2mode) &&
931 op1mode = get_irn_mode(in[1]);
933 /* Abs: BB x num --> num */
935 mode_is_num (op1mode),
937 show_unop_failure(n, "/* Abs: BB x num --> num */");
945 op1mode = get_irn_mode(in[1]);
946 op2mode = get_irn_mode(in[2]);
948 /* And or Or or Eor: BB x int x int --> int */
949 mode_is_int(mymode) &&
950 op2mode == op1mode &&
952 "And, Or or Eor node", 0,
953 show_binop_failure(n, "/* And or Or or Eor: BB x int x int --> int */");
959 op1mode = get_irn_mode(in[1]);
961 /* Not: BB x int --> int */
962 mode_is_int(mymode) &&
965 show_unop_failure(n, "/* Not: BB x int --> int */");
972 op1mode = get_irn_mode(in[1]);
973 op2mode = get_irn_mode(in[2]);
975 /* Cmp: BB x datab x datab --> b16 */
976 mode_is_data (op1mode) &&
977 op2mode == op1mode &&
980 show_binop_failure(n, "/* Cmp: BB x datab x datab --> b16 */");
987 op1mode = get_irn_mode(in[1]);
988 op2mode = get_irn_mode(in[2]);
990 /* Shl, Shr or Shrs: BB x int x int_u --> int */
991 mode_is_int(op1mode) &&
992 mode_is_int(op2mode) &&
993 !mode_is_signed(op2mode) &&
995 "Shl, Shr, Shr or Rot node", 0,
996 show_binop_failure(n, "/* Shl, Shr or Shrs: BB x int x int_u --> int */");
1001 op1mode = get_irn_mode(in[1]);
1002 op2mode = get_irn_mode(in[2]);
1004 /* Rot: BB x int x int --> int */
1005 mode_is_int(op1mode) &&
1006 mode_is_int(op2mode) &&
1009 show_binop_failure(n, "/* Rot: BB x int x int --> int */");
1014 op1mode = get_irn_mode(in[1]);
1016 /* Conv: BB x datab1 --> datab2 */
1017 mode_is_datab(op1mode) && mode_is_data(mymode),
1019 show_unop_failure(n, "/* Conv: BB x datab1 --> datab2 */");
1024 op1mode = get_irn_mode(in[1]);
1026 /* Conv: BB x datab1 --> datab2 */
1027 mode_is_data(op1mode) && op1mode == mymode,
1029 show_unop_failure(n, "/* Conv: BB x datab1 --> datab2 */");
1036 ir_node *block = get_nodes_block(n);
1038 if (! is_Bad(block) && get_irg_phase_state(get_irn_irg(n)) != phase_building) {
1039 /* a Phi node MUST have the same number of inputs as its block */
1041 get_irn_arity(n) == get_irn_arity(block),
1042 "wrong number of inputs in Phi node", 0,
1043 show_phi_inputs(n, block);
1047 /* Phi: BB x dataM^n --> dataM */
1048 for (i = 1; i < get_irn_arity(n); i++) {
1049 if (!is_Bad(in[i]) && (get_irn_op(in[i]) != op_Unknown))
1051 get_irn_mode(in[i]) == mymode,
1053 show_phi_failure(n, in[i], i);
1056 ASSERT_AND_RET( mode_is_dataM(mymode), "Phi node", 0 );
1060 ASSERT_AND_RET((get_irp_ip_view_state() != ip_view_no),
1061 "Filter may only appear if ip view is constructed.", 0);
1062 /* We should further do tests as for Proj and Phi. */
1065 op1mode = get_irn_mode(in[1]);
1066 op2mode = get_irn_mode(in[2]);
1068 /* Load: BB x M x ref --> M x X x data */
1069 op1mode == mode_M && mode_is_reference(op2mode),
1072 ASSERT_AND_RET( mymode == mode_T, "Load node", 0 );
1075 * jack's gen_add_firm_code:simpleSel seems to build Load (Load
1076 * (Proj (Proj))) sometimes ...
1078 * interprete.c:ai_eval seems to assume that this happens, too
1080 * obset.c:get_abstval_any can't deal with this if the load has
1084 entity *ent = hunt_for_entity (get_Load_ptr (n), n);
1085 assert ((NULL != ent) || (mymode != mode_T));
1094 op1mode = get_irn_mode(in[1]);
1095 op2mode = get_irn_mode(in[2]);
1096 op3mode = get_irn_mode(in[3]);
1098 /* Load: BB x M x ref data --> M x X */
1099 op1mode == mode_M && mode_is_reference(op2mode) && mode_is_data(op3mode),
1102 ASSERT_AND_RET(mymode == mode_T, "Store node", 0);
1104 target = get_ptr_entity(in[2]);
1105 if (vrfy_entities && target && get_irg_phase_state(current_ir_graph) == phase_high) {
1107 * If lowered code, any Sels that add 0 may be removed, causing
1108 * an direct access to entities of array or compound type.
1109 * Prevent this by checking the phase.
1111 ASSERT_AND_RET( op3mode == get_type_mode(get_entity_type(target)),
1119 op1mode = get_irn_mode(in[1]);
1120 op2mode = get_irn_mode(in[2]);
1122 /* Alloc: BB x M x int_u --> M x X x ref */
1123 op1mode == mode_M &&
1124 mode_is_int(op2mode) &&
1125 !mode_is_signed(op2mode) &&
1128 show_binop_failure(n, "/* Alloc: BB x M x int_u --> M x X x ref */");
1133 op1mode = get_irn_mode(in[1]);
1134 op2mode = get_irn_mode(in[2]);
1135 op3mode = get_irn_mode(in[3]);
1137 /* Free: BB x M x ref x int_u --> M */
1138 op1mode == mode_M && mode_is_reference(op2mode) &&
1139 mode_is_int(op3mode) &&
1140 !mode_is_signed(op3mode) &&
1143 show_triop_failure(n, "/* Free: BB x M x ref x int_u --> M */");
1148 /* Sync: BB x M^n --> M */
1149 for (i=1; i < get_irn_arity(n); i++) {
1150 ASSERT_AND_RET( get_irn_mode(in[i]) == mode_M, "Sync node", 0 );
1152 ASSERT_AND_RET( mymode == mode_M, "Sync node", 0 );
1156 return vrfy_Proj_proj(n, irg);
1160 op1mode = get_irn_mode(in[1]);
1161 op2mode = get_irn_mode(in[2]);
1163 /* Confirm: BB x T x T --> T */
1164 op1mode == mymode &&
1167 show_binop_failure(n, "/* Confirm: BB x T x T --> T */");
1172 op1mode = get_irn_mode(in[1]);
1173 op2mode = get_irn_mode(in[2]);
1174 op3mode = get_irn_mode(in[3]);
1176 /* Mux: BB x b x numP x numP --> numP */
1177 op1mode == mode_b &&
1178 op2mode == mymode &&
1179 op3mode == mymode &&
1180 mode_is_numP(mymode),
1193 int irn_vrfy(ir_node *n)
1196 #ifdef DEBUG_libfirm
1197 res = irn_vrfy_irg(n, current_ir_graph);
1202 /*-----------------------------------------------------------------*/
1203 /* Verify the whole graph. */
1204 /*-----------------------------------------------------------------*/
1206 /* This *is* used, except gcc doesn't notice that */
1207 static void vrfy_wrap(ir_node *node, void *env)
1211 *res = irn_vrfy(node);
1214 int irg_vrfy(ir_graph *irg)
1217 #ifdef DEBUG_libfirm
1220 rem = current_ir_graph;
1221 current_ir_graph = irg;
1223 assert(get_irg_pinned(irg) == op_pin_state_pinned);
1225 irg_walk_graph(irg, vrfy_wrap, NULL, &res);
1227 current_ir_graph = rem;
1229 if (opt_do_node_verification == NODE_VERIFICATION_REPORT && ! res) {
1230 entity *ent = get_irg_entity(current_ir_graph);
1233 fprintf(stderr, "irg_verify: Verifying graph %s failed\n", get_entity_name(ent));
1235 fprintf(stderr, "irg_verify: Verifying graph %p failed\n", (void *)current_ir_graph);
1242 int irn_vrfy_irg_dump(ir_node *n, ir_graph *irg, const char **bad_string)
1245 node_verification_t old = opt_do_node_verification;
1248 opt_do_node_verification = NODE_VERIFICATION_ERROR_ONLY;
1249 res = irn_vrfy_irg(n, irg);
1250 opt_do_node_verification = old;
1251 *bad_string = bad_msg;
1257 typedef struct _vrfy_bad_env_t {
1262 static void check_bads(ir_node *node, void *env)
1264 vrfy_bad_env_t *venv = env;
1265 int i, arity = get_irn_arity(node);
1267 if (is_Block(node)) {
1268 if ((venv->flags & BAD_CF) == 0) {
1270 /* check for Bad Block predecessor */
1271 for (i = 0; i < arity; ++i) {
1272 ir_node *pred = get_irn_n(node, i);
1275 venv->res |= BAD_CF;
1277 if (opt_do_node_verification == NODE_VERIFICATION_REPORT) {
1278 fprintf(stderr, "irg_vrfy_bads: Block %ld has Bad predecessor\n", get_irn_node_nr(node));
1280 if (opt_do_node_verification == NODE_VERIFICATION_ON) {
1281 assert(0 && "Bad CF detected");
1288 if ((venv->flags & BAD_BLOCK) == 0) {
1290 /* check for Bad Block */
1291 if (is_Bad(get_nodes_block(node))) {
1292 venv->res |= BAD_BLOCK;
1294 if (opt_do_node_verification == NODE_VERIFICATION_REPORT) {
1295 fprintf(stderr, "irg_vrfy_bads: node %ld has Bad Block\n", get_irn_node_nr(node));
1297 if (opt_do_node_verification == NODE_VERIFICATION_ON) {
1298 assert(0 && "Bad CF detected");
1303 if ((venv->flags & TUPLE) == 0) {
1304 if (get_irn_op(node) == op_Tuple) {
1307 if (opt_do_node_verification == NODE_VERIFICATION_REPORT) {
1308 fprintf(stderr, "irg_vrfy_bads: node %ld is a Tuple\n", get_irn_node_nr(node));
1310 if (opt_do_node_verification == NODE_VERIFICATION_ON) {
1311 assert(0 && "Tuple detected");
1316 for (i = 0; i < arity; ++i) {
1317 ir_node *pred = get_irn_n(node, i);
1320 /* check for Phi with Bad inputs */
1321 if (is_Phi(node) && !is_Bad(get_nodes_block(node)) && is_Bad(get_irn_n(get_nodes_block(node), i))) {
1322 if (venv->flags & BAD_CF)
1325 venv->res |= BAD_CF;
1327 if (opt_do_node_verification == NODE_VERIFICATION_REPORT) {
1328 fprintf(stderr, "irg_vrfy_bads: Phi %ld has Bad Input\n", get_irn_node_nr(node));
1330 if (opt_do_node_verification == NODE_VERIFICATION_ON) {
1331 assert(0 && "Bad CF detected");
1336 /* Bad node input */
1337 if ((venv->flags & BAD_DF) == 0) {
1338 venv->res |= BAD_DF;
1340 if (opt_do_node_verification == NODE_VERIFICATION_REPORT) {
1341 fprintf(stderr, "irg_vrfy_bads: node %ld has Bad Input\n", get_irn_node_nr(node));
1343 if (opt_do_node_verification == NODE_VERIFICATION_ON) {
1344 assert(0 && "Bad NON-CF detected");
1353 * verify occurance of bad nodes
1355 int irg_vrfy_bads(ir_graph *irg, int flags)
1362 irg_walk_graph(irg, check_bads, NULL, &env);