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"
25 * in RELEASE mode, returns ret if the expression expr evaluates to zero
26 * in ASSERT mode, asserts the expression expr (and the string string).
28 #define ASSERT_AND_RET(expr, string, ret) if (!(expr)) return (ret)
31 * in RELEASE mode, returns ret if the expression expr evaluates to zero
32 * in ASSERT mode, executes blk if the expression expr evaluates to zero and asserts expr
34 #define ASSERT_AND_RET_DBG(expr, string, ret, blk) if (!(expr)) return (ret)
36 #define ASSERT_AND_RET(expr, string, ret) \
38 if (opt_do_node_verification == NODE_VERIFICATION_ON) {\
39 if (!(expr) && current_ir_graph != get_const_code_irg()) \
40 dump_ir_block_graph(current_ir_graph, "-assert"); \
41 assert((expr) && string); } \
43 if (opt_do_node_verification == NODE_VERIFICATION_REPORT) \
44 fprintf(stderr, #expr " : " string "\n"); \
45 bad_msg = #expr " && " string; \
50 #define ASSERT_AND_RET_DBG(expr, string, ret, blk) \
53 bad_msg = #expr " && " string; \
54 if (opt_do_node_verification != NODE_VERIFICATION_ERROR_ONLY) { blk; } \
55 if (opt_do_node_verification == NODE_VERIFICATION_REPORT) \
56 fprintf(stderr, #expr " : " string "\n"); \
57 else if (opt_do_node_verification == NODE_VERIFICATION_ON) \
58 assert((expr) && string); \
65 /** if this flag is set, verify entity types in Load & Store nodes */
66 static int vrfy_entities = 0;
68 /* @@@ replace use of array "in" by access functions. */
69 ir_node **get_irn_in(ir_node *node);
71 static node_verification_t opt_do_node_verification = NODE_VERIFICATION_ON;
72 static const char *bad_msg;
74 /* enable verification of Load/Store entities */
75 void vrfy_enable_entity_tests(int enable)
77 vrfy_entities = enable;
81 * little helper for NULL modes
83 static const char *get_mode_name_ex(ir_mode *mode)
87 return get_mode_name(mode);
90 void do_node_verification(node_verification_t mode)
92 opt_do_node_verification = mode;
96 * Prints a failure for a Node
98 static void show_node_failure(ir_node *n)
100 fprintf(stderr, "\nFIRM: irn_vrfy_irg() of node %ld %s%s\n" ,
102 get_irn_opname(n), get_irn_modename(n)
107 * Prints a failure message for a binop
109 static void show_binop_failure(ir_node *n, const char *text)
111 ir_node *left = get_binop_left(n);
112 ir_node *right = get_binop_right(n);
114 fprintf(stderr, "\nFIRM: irn_vrfy_irg() of node %ld %s%s(%s%s, %s%s) did not match (%s)\n",
116 get_irn_opname(n), get_irn_modename(n),
117 get_irn_opname(left), get_irn_modename(left),
118 get_irn_opname(right), get_irn_modename(right),
123 * Prints a failure message for an unop
125 static void show_unop_failure(ir_node *n, const char *text)
127 ir_node *op = get_unop_op(n);
129 fprintf(stderr, "\nFIRM: irn_vrfy_irg() of node %ld %s%s(%s%s) did not match (%s)\n",
131 get_irn_opname(n), get_irn_modename(n),
132 get_irn_opname(op), get_irn_modename(op),
137 * Prints a failure message for an op with 3 operands
139 static void show_triop_failure(ir_node *n, const char *text)
141 ir_node *op0 = get_irn_n(n, 0);
142 ir_node *op1 = get_irn_n(n, 1);
143 ir_node *op2 = get_irn_n(n, 2);
145 fprintf(stderr, "\nFIRM: irn_vrfy_irg() of node %ld %s%s(%s%s, %s%s, %s%s) did not match (%s)\n",
147 get_irn_opname(n), get_irn_modename(n),
148 get_irn_opname(op0), get_irn_modename(op0),
149 get_irn_opname(op1), get_irn_modename(op1),
150 get_irn_opname(op2), get_irn_modename(op2),
155 * Prints a failure message for a proj
157 static void show_proj_failure(ir_node *n)
159 ir_node *op = get_Proj_pred(n);
160 int proj = get_Proj_proj(n);
162 fprintf(stderr, "\nFIRM: irn_vrfy_irg() of node %ld %s%s %d(%s%s) failed\n" ,
164 get_irn_opname(n), get_irn_modename(n), proj,
165 get_irn_opname(op), get_irn_modename(op));
169 * Prints a failure message for a proj
171 static void show_proj_failure_ent(ir_node *n, entity *ent)
173 ir_node *op = get_Proj_pred(n);
174 int proj = get_Proj_proj(n);
175 ir_mode *m = get_type_mode(get_entity_type(ent));
177 fprintf(stderr, "\nFIRM: irn_vrfy_irg() of node %ld %s%s %d(%s%s) entity %s(type %s mode %s)failed\n" ,
179 get_irn_opname(n), get_irn_modename(n), proj,
180 get_irn_opname(op), get_irn_modename(op),
181 get_entity_name(ent), get_type_name(get_entity_type(ent)),
182 get_mode_name_ex(m));
186 * Show a node and a graph
188 static void show_node_on_graph(ir_graph *irg, ir_node *n)
190 entity *ent = get_irg_entity(irg);
193 fprintf(stderr, "\nFIRM: irn_vrfy_irg() of entity %s, node %ld %s%s\n",
194 get_entity_name(ent),
195 get_irn_node_nr(n), get_irn_opname(n), get_irn_modename(n));
197 fprintf(stderr, "\nFIRM: irn_vrfy_irg() of graph %p, node %ld %s%s\n",
199 get_irn_node_nr(n), get_irn_opname(n), get_irn_modename(n));
205 static void show_call_param(ir_node *n, type *mt)
209 fprintf(stderr, "\nFIRM: irn_vrfy_irg() Call type-check failed: %s(", get_type_name(mt));
210 for (i = 0; i < get_method_n_params(mt); ++i) {
211 fprintf(stderr, "%s ", get_mode_name_ex(get_type_mode(get_method_param_type(mt, i))));
213 fprintf(stderr, ") != CALL(");
215 for (i = 0; i < get_Call_n_params(n); ++i) {
216 fprintf(stderr, "%s ", get_mode_name_ex(get_irn_mode(get_Call_param(n, i))));
218 fprintf(stderr, ")\n");
225 static void show_return_modes(ir_graph *irg, ir_node *n, type *mt, int i)
227 entity *ent = get_irg_entity(irg);
229 fprintf(stderr, "\nFIRM: irn_vrfy_irg() Return node %ld in entity \"%s\" mode %s different from type mode %s\n",
230 get_irn_node_nr(n), get_entity_name(ent),
231 get_mode_name_ex(get_irn_mode(get_Return_res(n, i))),
232 get_mode_name_ex(get_type_mode(get_method_res_type(mt, i)))
237 * Show return number of results
239 static void show_return_nres(ir_graph *irg, ir_node *n, type *mt)
241 entity *ent = get_irg_entity(irg);
243 fprintf(stderr, "\nFIRM: irn_vrfy_irg() Return node %ld in entity \"%s\" has %d results different from type %d\n",
244 get_irn_node_nr(n), get_entity_name(ent),
245 get_Return_n_ress(n), get_method_n_ress(mt));
251 static void show_phi_failure(ir_node *phi, ir_node *pred, int pos)
253 fprintf(stderr, "\nFIRM: irn_vrfy_irg() Phi node %ld has mode %s different from predeccessor node %ld mode %s\n",
254 get_irn_node_nr(phi), get_mode_name_ex(get_irn_mode(phi)),
255 get_irn_node_nr(pred), get_mode_name_ex(get_irn_mode(pred)));
261 static void show_phi_inputs(ir_node *phi, ir_node *block)
263 fprintf(stderr, "\nFIRM: irn_vrfy_irg() Phi node %ld has %d inputs, its Block %ld has %d\n",
264 get_irn_node_nr(phi), get_irn_arity(phi),
265 get_irn_node_nr(block), get_irn_arity(block));
268 /* If the address is Sel or SymConst, return the entity. */
269 static entity *get_ptr_entity(ir_node *ptr) {
270 if (get_irn_op(ptr) == op_Sel) {
271 return get_Sel_entity(ptr);
272 } else if ((get_irn_op(ptr) == op_SymConst) && (get_SymConst_kind(ptr) == symconst_addr_ent)) {
273 return get_SymConst_entity(ptr);
279 * verify the Proj number
282 vrfy_Proj_proj(ir_node *p, ir_graph *irg) {
287 pred = skip_Id(get_Proj_pred(p));
288 ASSERT_AND_RET(get_irn_mode(pred) == mode_T, "mode of a 'projed' node is not Tuple", 0);
289 mode = get_irn_mode(p);
290 proj = get_Proj_proj(p);
292 switch (get_irn_opcode(pred)) {
296 (proj == pn_Start_X_initial_exec && mode == mode_X) ||
297 (proj == pn_Start_M && mode == mode_M) ||
298 (proj == pn_Start_P_frame_base && mode_is_reference(mode)) ||
299 (proj == pn_Start_P_globals && mode_is_reference(mode)) ||
300 (proj == pn_Start_T_args && mode == mode_T) ||
301 (proj == pn_Start_P_value_arg_base && mode_is_reference(mode)) ||
302 (proj == pn_Start_P_value_arg_base && mode == mode_T) /* FIXME: only one of those */
304 "wrong Proj from Start", 0,
305 show_proj_failure(p);
312 (proj >= 0 && mode == mode_X && get_irn_mode(get_Cond_selector(pred)) == mode_b) || /* compare */
313 (mode == mode_X && mode_is_int(get_irn_mode(get_Cond_selector(pred)))) /* switch */
315 "wrong Proj from Cond", 0,
316 show_proj_failure(p);
322 ((proj == pn_Raise_X && mode == mode_X) || (proj == pn_Raise_M && mode == mode_M)),
323 "wrong Proj from Raise", 0,
324 show_proj_failure(p);
330 (proj >= 0 && mode == mode_X),
331 "wrong Proj from InstOf", 0,
332 show_proj_failure(p);
338 ((proj == pn_Call_M_regular && mode == mode_M) ||
339 (proj == pn_Call_X_except && mode == mode_X) ||
340 (proj == pn_Call_T_result && mode == mode_T) ||
341 (proj == pn_Call_M_except && mode == mode_M) ||
342 (proj == pn_Call_P_value_res_base && mode == mode_P)),
343 "wrong Proj from Call", 0,
344 show_proj_failure(p);
351 ((proj == pn_Quot_M && mode == mode_M) ||
352 (proj == pn_Quot_X_except && mode == mode_X) ||
353 (proj == pn_Quot_res && mode_is_float(mode))),
354 "wrong Proj from Quot", 0,
355 show_proj_failure(p);
361 ((proj == pn_DivMod_M && mode == mode_M) ||
362 (proj == pn_DivMod_X_except && mode == mode_X) ||
363 (proj == pn_DivMod_res_div && mode_is_int(mode)) ||
364 (proj == pn_DivMod_res_mod && mode_is_int(mode))),
365 "wrong Proj from DivMod", 0,
366 show_proj_failure(p);
372 ((proj == pn_Div_M && mode == mode_M) ||
373 (proj == pn_Div_X_except && mode == mode_X) ||
374 (proj == pn_Div_res && mode_is_int(mode))),
375 "wrong Proj from Div or Mod", 0,
376 show_proj_failure(p);
382 ((proj == pn_Mod_M && mode == mode_M) ||
383 (proj == pn_Mod_X_except && mode == mode_X) ||
384 (proj == pn_Mod_res && mode_is_int(mode))),
385 "wrong Proj from Div or Mod", 0,
386 show_proj_failure(p);
392 (proj >= 0 && proj <= 15 && mode == mode_b),
393 "wrong Proj from Cmp", 0,
394 show_proj_failure(p);
399 if (proj == pn_Load_res) {
400 ir_node *ptr = get_Load_ptr(pred);
401 entity *ent = get_ptr_entity(ptr);
403 if (vrfy_entities && ent && get_irg_phase_state(current_ir_graph) == phase_high) {
404 /* do NOT check this for lowered phases, see comment on Store */
406 (mode == get_type_mode(get_entity_type(ent))),
407 "wrong data Proj from Load, entity type_mode failed", 0,
408 show_proj_failure_ent(p, ent);
413 mode_is_data(mode) && mode == get_Load_mode(pred),
414 "wrong data Proj from Load", 0,
415 show_proj_failure(p);
420 ((proj == pn_Load_M && mode == mode_M) ||
421 (proj == pn_Load_X_except && mode == mode_X)),
422 "wrong Proj from Load", 0,
423 show_proj_failure(p);
430 ((proj == pn_Store_M && mode == mode_M) ||
431 (proj == pn_Store_X_except && mode == mode_X)),
432 "wrong Proj from Store", 0,
433 show_proj_failure(p);
440 (proj == pn_Alloc_M && mode == mode_M) ||
441 (proj == pn_Alloc_X_except /* && mode == mode_X*/) ||
442 (proj == pn_Alloc_res && mode_is_reference(mode))
444 "wrong Proj from Alloc", 0,
445 show_proj_failure(p);
451 type *mt; /* A method type */
452 long nr = get_Proj_proj(pred);
454 pred = skip_Id(get_Proj_pred(pred));
455 ASSERT_AND_RET((get_irn_mode(pred) == mode_T), "Proj from something not a tuple", 0);
456 switch (get_irn_opcode(pred))
459 mt = get_entity_type(get_irg_entity(irg));
461 if (nr == pn_Start_T_args) {
463 (proj >= 0 && mode_is_data(mode)),
464 "wrong Proj from Proj from Start", 0);
466 (proj < get_method_n_params(mt)),
467 "More Projs for args than args in type", 0
469 if ((mode_is_reference(mode)) && is_compound_type(get_method_param_type(mt, proj)))
470 /* value argument */ break;
473 (mode == get_type_mode(get_method_param_type(mt, proj))),
474 "Mode of Proj from Start doesn't match mode of param type.", 0);
476 else if (nr == pn_Start_P_value_arg_base) {
478 (proj >= 0 && mode_is_reference(mode)),
479 "wrong Proj from Proj from Start", 0
482 (proj < get_method_n_params(mt)),
483 "More Projs for args than args in type", 0
491 (proj >= 0 && mode_is_data(mode)),
492 "wrong Proj from Proj from Call", 0);
493 mt = get_Call_type(pred);
495 (proj < get_method_n_ress(mt)),
496 "More Projs for results than results in type.", 0);
497 if ((mode_is_reference(mode)) && is_compound_type(get_method_res_type(mt, proj)))
498 /* value result */ break;
501 (mode == get_type_mode(get_method_res_type(mt, proj))),
502 "Mode of Proj from Call doesn't match mode of result type.", 0);
511 /* hmm, optimization did not remove it */
515 ASSERT_AND_RET(0, "Unknown opcode", 0);
534 ASSERT_AND_RET(0, "Unknown opcode", 0);
541 int irn_vrfy_irg(ir_node *n, ir_graph *irg)
545 ir_mode *mymode, *op1mode = NULL, *op2mode, *op3mode;
546 int op_is_symmetric = 1; /* 0: asymmetric
547 1: operands have identical modes
548 2: modes of operands == mode of this node */
549 type *mt; /* A method type */
554 if (!opt_do_node_verification) return 1;
556 if (! get_interprocedural_view()) {
558 * do NOT check placement in interprocedural view, as we don't always know
559 * the "right" graph ...
562 node_is_in_irgs_storage(irg, n),
563 "Node is not stored on proper IR graph!", 0,
564 show_node_on_graph(irg, n);
568 opcode = get_irn_opcode(n);
570 /* We don't want to test nodes whose predecessors are Bad,
571 as we would have to special case that for each operation. */
572 if (opcode != iro_Phi && opcode != iro_Block)
573 for (i = 0; i < get_irn_arity(n); i++) {
574 opcode1 = get_irn_opcode(get_irn_n(n, i));
575 if (opcode1 == iro_Bad)
579 mymode = get_irn_mode(n);
585 for (i = 0; i < get_Block_n_cfgpreds(n); ++i) {
586 ir_node *pred = get_Block_cfgpred(n, i);
590 (get_irn_mode(pred) == mode_X)
593 /* End block may only have Return, Raise or fragile ops as preds. */
594 if (n == get_irg_end_block(irg))
595 for (i = 0; i < get_Block_n_cfgpreds(n); ++i) {
596 ir_node *pred = skip_Proj(get_Block_cfgpred(n, i));
597 if (is_Proj(pred) || get_irn_op(pred) == op_Tuple)
598 break; /* We can not test properly. How many tuples are there? */
599 ASSERT_AND_RET(((get_irn_op(pred) == op_Return) ||
601 (get_irn_op(pred) == op_Raise) ||
602 is_fragile_op(pred) ),
603 "End Block node", 0);
605 /* irg attr must == graph we are in. */
606 if (! get_interprocedural_view()) {
607 ASSERT_AND_RET(((get_irn_irg(n) && get_irn_irg(n) == irg)), "Block node has wrong irg attribute", 0);
614 /* Start: BB --> X x M x ref x data1 x ... x datan x ref */
615 mymode == mode_T, "Start node", 0
622 mymode == mode_X, "Jmp node", 0
629 mymode == mode_X, "Jmp node", 0
634 op1mode = get_irn_mode(in[1]);
636 /* Cond: BB x b --> X x X */
637 (op1mode == mode_b ||
638 /* Cond: BB x int --> X^n */
639 mode_is_int(op1mode) ), "Cond node", 0
641 ASSERT_AND_RET(mymode == mode_T, "Cond mode is not a tuple", 0);
645 op1mode = get_irn_mode(in[1]);
646 /* Return: BB x M x data1 x ... x datan --> X */
647 /* printf("mode: %s, code %s\n", ID_TO_STR(n->mode->name), ID_TO_STR(n->op->name));*/
648 ASSERT_AND_RET( op1mode == mode_M, "Return node", 0 ); /* operand M */
649 for (i = 2; i < get_irn_arity(n); i++) {
650 ASSERT_AND_RET( mode_is_data(get_irn_mode(in[i])), "Return node", 0 ); /* operand datai */
652 ASSERT_AND_RET( mymode == mode_X, "Result X", 0 ); /* result X */
653 /* Compare returned results with result types of method type */
654 mt = get_entity_type(get_irg_entity(irg));
655 ASSERT_AND_RET_DBG( get_Return_n_ress(n) == get_method_n_ress(mt),
656 "Number of results for Return doesn't match number of results in type.", 0,
657 show_return_nres(irg, n, mt););
658 for (i = 0; i < get_Return_n_ress(n); i++) {
659 type *res_type = get_method_res_type(mt, i);
661 if (is_atomic_type(res_type)) {
663 get_irn_mode(get_Return_res(n, i)) == get_type_mode(res_type),
664 "Mode of result for Return doesn't match mode of result type.", 0,
665 show_return_modes(irg, n, mt, i);
670 mode_is_reference(get_irn_mode(get_Return_res(n, i))),
671 "Mode of result for Return doesn't match mode of result type.", 0,
672 show_return_modes(irg, n, mt, i);
679 op1mode = get_irn_mode(in[1]);
680 op2mode = get_irn_mode(in[2]);
682 /* Sel: BB x M x ref --> X x M */
683 op1mode == mode_M && mode_is_reference(op2mode) &&
684 mymode == mode_T, "Raise node", 0
690 /* Const: BB --> data */
691 (mode_is_data (mymode) ||
692 mymode == mode_b) /* we want boolean constants for static evaluation */
693 ,"Const node", 0 /* of Cmp. */
697 if (get_SymConst_kind(n) == symconst_addr_ent) {
698 entity *ent = get_SymConst_entity(n);
699 if (is_Method_type(get_entity_type(ent)) &&
700 get_irn_irg(n) != get_const_code_irg()) {
702 ASSERT_AND_RET((get_entity_peculiarity(ent) != peculiarity_description),
703 "A constant must address an existing method.", 0);
708 /* SymConst: BB --> int*/
709 (mode_is_int(mymode) ||
710 /* SymConst: BB --> ref */
711 mode_is_reference(mymode))
712 ,"SymConst node", 0);
716 op1mode = get_irn_mode(in[1]);
717 op2mode = get_irn_mode(in[2]);
719 /* Sel: BB x M x ref x int^n --> ref */
720 (op1mode == mode_M && op2mode == mymode && mode_is_reference(mymode)),
721 "Sel node", 0, show_node_failure(n)
723 for (i=3; i < get_irn_arity(n); i++)
725 ASSERT_AND_RET_DBG(mode_is_int(get_irn_mode(in[i])), "Sel node", 0, show_node_failure(n));
727 ent = get_Sel_entity(n);
728 ASSERT_AND_RET_DBG(ent, "Sel node with empty entity", 0, show_node_failure(n));
732 ASSERT_AND_RET(mode_T == mymode, "mode of Instof is not a tuple", 0);
733 ASSERT_AND_RET(mode_is_data(op1mode), "Instof not on data", 0);
737 op1mode = get_irn_mode(in[1]);
738 op2mode = get_irn_mode(in[2]);
739 /* Call: BB x M x ref x data1 x ... x datan
740 --> M x datan+1 x ... x data n+m */
741 ASSERT_AND_RET( op1mode == mode_M && mode_is_reference(op2mode), "Call node", 0 ); /* operand M x ref */
743 mt = get_Call_type(n);
744 if(get_unknown_type() == mt) {
748 for (i=3; i < get_irn_arity(n); i++) {
749 ASSERT_AND_RET( mode_is_data(get_irn_mode(in[i])), "Call node", 0 ); /* operand datai */
751 ASSERT_AND_RET( mymode == mode_T, "Call result not a tuple", 0 ); /* result T */
752 /* Compare arguments of node with those of type */
754 if (get_method_variadicity(mt) == variadicity_variadic) {
756 get_Call_n_params(n) >= get_method_n_params(mt),
757 "Number of args for Call doesn't match number of args in variadic type.",
759 fprintf(stderr, "Call has %d params, method %s type %d\n",
760 get_Call_n_params(n), get_type_name(mt), get_method_n_params(mt));
765 get_Call_n_params(n) == get_method_n_params(mt),
766 "Number of args for Call doesn't match number of args in non variadic type.",
770 for (i = 0; i < get_method_n_params(mt); i++) {
771 type *t = get_method_param_type(mt, i);
773 if (is_atomic_type(t)) {
775 get_irn_mode(get_Call_param(n, i)) == get_type_mode(t),
776 "Mode of arg for Call doesn't match mode of arg type.", 0,
777 show_call_param(n, mt);
781 /* call with a compound type, mode must be reference */
783 mode_is_reference(get_irn_mode(get_Call_param(n, i))),
784 "Mode of arg for Call doesn't match mode of arg type.", 0,
785 show_call_param(n, mt);
791 if (Call_has_callees(n)) {
792 for (i = 0; i < get_Call_n_callees(n); i++) {
793 ASSERT_AND_RET(is_entity(get_Call_callee(n, i)), "callee array must contain entities.", 0);
800 op1mode = get_irn_mode(in[1]);
801 op2mode = get_irn_mode(in[2]);
804 /* common Add: BB x numP x numP --> numP */
805 (op1mode == mymode && op2mode == op1mode && mode_is_numP(mymode)) ||
806 /* Pointer Add: BB x ref x int --> ref */
807 (mode_is_reference(op1mode) && mode_is_int(op2mode) && op1mode == mymode) ||
808 /* Pointer Add: BB x int x ref --> ref */
809 (mode_is_int(op1mode) && op2mode == mymode && mode_is_reference(mymode))
812 show_binop_failure(n, "/* common Add: BB x numP x numP --> numP */ |\n"
813 "/* Pointer Add: BB x ref x int --> ref */ |\n"
814 "/* Pointer Add: BB x int x ref --> ref */");
816 if (mode_is_reference(op1mode) != mode_is_reference(op2mode)) {
817 /* BB x ref x int --> ref or BB x int x ref --> ref */
820 /* BB x num x num --> num or BB x ref x ref */
826 op1mode = get_irn_mode(in[1]);
827 op2mode = get_irn_mode(in[2]);
829 /* common Sub: BB x numP x numP --> numP */
830 ((mymode ==op1mode && mymode == op2mode && mode_is_numP(op1mode)) ||
831 /* Pointer Sub: BB x ref x int --> ref */
832 (op1mode == mymode && mode_is_int(op2mode) && mode_is_reference(mymode)) ||
833 /* Pointer Sub: BB x int x ref --> ref */
834 (mode_is_int(op1mode) && op2mode == mymode && mode_is_reference(mymode)) ||
835 /* Pointer Sub: BB x ref x ref --> int */
836 (op1mode == op2mode && mode_is_reference(op2mode) && mode_is_int(mymode))),
838 show_binop_failure(n, "/* common Sub: BB x numP x numP --> numP */ |\n"
839 "/* Pointer Sub: BB x ref x int --> ref */ |\n"
840 "/* Pointer Sub: BB x int x ref --> ref */ |\n"
841 "/* Pointer Sub: BB x ref x ref --> int */" );
843 if (mode_is_reference(op1mode) != mode_is_reference(op2mode)) {
851 op1mode = get_irn_mode(in[1]);
853 /* Minus: BB x float --> float */
854 op1mode == mymode && mode_is_float(op1mode), "Minus node", 0,
855 show_unop_failure(n , "/* Minus: BB x float --> float */");
861 op1mode = get_irn_mode(in[1]);
862 op2mode = get_irn_mode(in[2]);
864 /* Mul: BB x int1 x int1 --> int2 */
865 ((mode_is_int(op1mode) && op2mode == op1mode && mode_is_int(mymode)) ||
866 /* Mul: BB x float x float --> float */
867 (mode_is_float(op1mode) && op2mode == op1mode && mymode == op1mode)),
869 show_binop_failure(n, "/* Mul: BB x int1 x int1 --> int2 */ |\n"
870 "/* Mul: BB x float x float --> float */");
876 op1mode = get_irn_mode(in[1]);
877 op2mode = get_irn_mode(in[2]);
878 op3mode = get_irn_mode(in[3]);
880 /* Quot: BB x M x float x float --> M x X x float */
881 op1mode == mode_M && op2mode == op3mode &&
882 get_mode_sort(op2mode) == irms_float_number &&
885 show_binop_failure(n, "/* Quot: BB x M x float x float --> M x X x float */");
891 op1mode = get_irn_mode(in[1]);
892 op2mode = get_irn_mode(in[2]);
893 op3mode = get_irn_mode(in[3]);
895 /* DivMod: BB x M x int x int --> M x X x int x int */
897 mode_is_int(op2mode) &&
898 op3mode == op2mode &&
907 op1mode = get_irn_mode(in[1]);
908 op2mode = get_irn_mode(in[2]);
909 op3mode = get_irn_mode(in[3]);
911 /* Div or Mod: BB x M x int x int --> M x X x int */
913 op2mode == op3mode &&
914 mode_is_int(op2mode) &&
922 op1mode = get_irn_mode(in[1]);
924 /* Abs: BB x num --> num */
926 mode_is_num (op1mode),
928 show_unop_failure(n, "/* Abs: BB x num --> num */");
936 op1mode = get_irn_mode(in[1]);
937 op2mode = get_irn_mode(in[2]);
939 /* And or Or or Eor: BB x int x int --> int */
940 mode_is_int(mymode) &&
941 op2mode == op1mode &&
943 "And, Or or Eor node", 0,
944 show_binop_failure(n, "/* And or Or or Eor: BB x int x int --> int */");
950 op1mode = get_irn_mode(in[1]);
952 /* Not: BB x int --> int */
953 mode_is_int(mymode) &&
956 show_unop_failure(n, "/* Not: BB x int --> int */");
963 op1mode = get_irn_mode(in[1]);
964 op2mode = get_irn_mode(in[2]);
966 /* Cmp: BB x datab x datab --> b16 */
967 mode_is_data (op1mode) &&
968 op2mode == op1mode &&
971 show_binop_failure(n, "/* Cmp: BB x datab x datab --> b16 */");
978 op1mode = get_irn_mode(in[1]);
979 op2mode = get_irn_mode(in[2]);
981 /* Shl, Shr or Shrs: BB x int x int_u --> int */
982 mode_is_int(op1mode) &&
983 mode_is_int(op2mode) &&
984 !mode_is_signed(op2mode) &&
986 "Shl, Shr, Shr or Rot node", 0,
987 show_binop_failure(n, "/* Shl, Shr or Shrs: BB x int x int_u --> int */");
992 op1mode = get_irn_mode(in[1]);
993 op2mode = get_irn_mode(in[2]);
995 /* Rot: BB x int x int --> int */
996 mode_is_int(op1mode) &&
997 mode_is_int(op2mode) &&
1000 show_binop_failure(n, "/* Rot: BB x int x int --> int */");
1005 op1mode = get_irn_mode(in[1]);
1007 /* Conv: BB x datab1 --> datab2 */
1008 mode_is_datab(op1mode) && mode_is_data(mymode),
1010 show_unop_failure(n, "/* Conv: BB x datab1 --> datab2 */");
1015 op1mode = get_irn_mode(in[1]);
1017 /* Conv: BB x datab1 --> datab2 */
1018 mode_is_data(op1mode) && op1mode == mymode,
1020 show_unop_failure(n, "/* Conv: BB x datab1 --> datab2 */");
1026 ir_node *block = get_nodes_block(n);
1028 if (! is_Bad(block) && get_irg_phase_state(get_irn_irg(n)) != phase_building) {
1029 /* a Phi node MUST have the same number of inputs as its block */
1031 get_irn_arity(n) == get_irn_arity(block),
1032 "wrong number of inputs in Phi node", 0,
1033 show_phi_inputs(n, block);
1037 /* Phi: BB x dataM^n --> dataM */
1038 for (i = 1; i < get_irn_arity(n); i++) {
1039 if (!is_Bad(in[i]) && (get_irn_op(in[i]) != op_Unknown))
1041 get_irn_mode(in[i]) == mymode,
1043 show_phi_failure(n, in[i], i);
1046 ASSERT_AND_RET( mode_is_dataM(mymode), "Phi node", 0 );
1050 op1mode = get_irn_mode(in[1]);
1051 op2mode = get_irn_mode(in[2]);
1053 /* Load: BB x M x ref --> M x X x data */
1054 op1mode == mode_M && mode_is_reference(op2mode),
1057 ASSERT_AND_RET( mymode == mode_T, "Load node", 0 );
1060 * jack's gen_add_firm_code:simpleSel seems to build Load (Load
1061 * (Proj (Proj))) sometimes ...
1063 * interprete.c:ai_eval seems to assume that this happens, too
1065 * obset.c:get_abstval_any can't deal with this if the load has
1069 entity *ent = hunt_for_entity (get_Load_ptr (n), n);
1070 assert ((NULL != ent) || (mymode != mode_T));
1079 op1mode = get_irn_mode(in[1]);
1080 op2mode = get_irn_mode(in[2]);
1081 op3mode = get_irn_mode(in[3]);
1083 /* Load: BB x M x ref data --> M x X */
1084 op1mode == mode_M && mode_is_reference(op2mode) && mode_is_data(op3mode),
1087 ASSERT_AND_RET(mymode == mode_T, "Store node", 0);
1089 target = get_ptr_entity(in[2]);
1090 if (vrfy_entities && target && get_irg_phase_state(current_ir_graph) == phase_high) {
1092 * If lowered code, any Sels that add 0 may be removed, causing
1093 * an direct access to entities of array or compound type.
1094 * Prevent this by checking the phase.
1096 ASSERT_AND_RET( op3mode == get_type_mode(get_entity_type(target)),
1104 op1mode = get_irn_mode(in[1]);
1105 op2mode = get_irn_mode(in[2]);
1107 /* Alloc: BB x M x int_u --> M x X x ref */
1108 op1mode == mode_M &&
1109 mode_is_int(op2mode) &&
1110 !mode_is_signed(op2mode) &&
1113 show_binop_failure(n, "/* Alloc: BB x M x int_u --> M x X x ref */");
1118 op1mode = get_irn_mode(in[1]);
1119 op2mode = get_irn_mode(in[2]);
1120 op3mode = get_irn_mode(in[3]);
1122 /* Free: BB x M x ref x int_u --> M */
1123 op1mode == mode_M && mode_is_reference(op2mode) &&
1124 mode_is_int(op3mode) &&
1125 !mode_is_signed(op3mode) &&
1128 show_triop_failure(n, "/* Free: BB x M x ref x int_u --> M */");
1133 /* Sync: BB x M^n --> M */
1134 for (i=1; i < get_irn_arity(n); i++) {
1135 ASSERT_AND_RET( get_irn_mode(in[i]) == mode_M, "Sync node", 0 );
1137 ASSERT_AND_RET( mymode == mode_M, "Sync node", 0 );
1141 return vrfy_Proj_proj(n, irg);
1145 op1mode = get_irn_mode(in[1]);
1146 op2mode = get_irn_mode(in[2]);
1148 /* Confirm: BB x T x T --> T */
1149 op1mode == mymode &&
1152 show_binop_failure(n, "/* Confirm: BB x T x T --> T */");
1157 op1mode = get_irn_mode(in[1]);
1158 op2mode = get_irn_mode(in[2]);
1159 op3mode = get_irn_mode(in[3]);
1161 /* Mux: BB x b x numP x numP --> numP */
1162 op1mode == mode_b &&
1163 op2mode == mymode &&
1164 op3mode == mymode &&
1165 mode_is_numP(mymode),
1178 int irn_vrfy(ir_node *n)
1181 #ifdef DEBUG_libfirm
1182 res = irn_vrfy_irg(n, current_ir_graph);
1187 /*-----------------------------------------------------------------*/
1188 /* Verify the whole graph. */
1189 /*-----------------------------------------------------------------*/
1191 /* This *is* used, except gcc doesn't notice that */
1192 static void vrfy_wrap(ir_node *node, void *env)
1196 *res = irn_vrfy(node);
1199 int irg_vrfy(ir_graph *irg)
1202 #ifdef DEBUG_libfirm
1205 rem = current_ir_graph;
1206 current_ir_graph = irg;
1208 assert(get_irg_pinned(irg) == op_pin_state_pinned);
1210 irg_walk_graph(irg, vrfy_wrap, NULL, &res);
1212 current_ir_graph = rem;
1214 if (opt_do_node_verification == NODE_VERIFICATION_REPORT && ! res) {
1215 entity *ent = get_irg_entity(current_ir_graph);
1218 fprintf(stderr, "irg_verify: Verifying graph %s failed\n", get_entity_name(ent));
1220 fprintf(stderr, "irg_verify: Verifying graph %p failed\n", (void *)current_ir_graph);
1227 int irn_vrfy_irg_dump(ir_node *n, ir_graph *irg, const char **bad_string)
1230 node_verification_t old = opt_do_node_verification;
1233 opt_do_node_verification = NODE_VERIFICATION_ERROR_ONLY;
1234 res = irn_vrfy_irg(n, irg);
1235 opt_do_node_verification = old;
1236 *bad_string = bad_msg;
1242 typedef struct _vrfy_bad_env_t {
1247 static void check_bads(ir_node *node, void *env)
1249 vrfy_bad_env_t *venv = env;
1250 int i, arity = get_irn_arity(node);
1252 if (is_Block(node)) {
1253 if ((venv->flags & BAD_CF) == 0) {
1255 /* check for Bad Block predecessor */
1256 for (i = 0; i < arity; ++i) {
1257 ir_node *pred = get_irn_n(node, i);
1260 venv->res |= BAD_CF;
1262 if (opt_do_node_verification == NODE_VERIFICATION_REPORT) {
1263 fprintf(stderr, "irg_vrfy_bads: Block %ld has Bad predecessor\n", get_irn_node_nr(node));
1265 if (opt_do_node_verification == NODE_VERIFICATION_ON) {
1266 assert(0 && "Bad CF detected");
1273 if ((venv->flags & BAD_BLOCK) == 0) {
1275 /* check for Bad Block */
1276 if (is_Bad(get_nodes_block(node))) {
1277 venv->res |= BAD_BLOCK;
1279 if (opt_do_node_verification == NODE_VERIFICATION_REPORT) {
1280 fprintf(stderr, "irg_vrfy_bads: node %ld has Bad Block\n", get_irn_node_nr(node));
1282 if (opt_do_node_verification == NODE_VERIFICATION_ON) {
1283 assert(0 && "Bad CF detected");
1288 if ((venv->flags & TUPLE) == 0) {
1289 if (get_irn_op(node) == op_Tuple) {
1292 if (opt_do_node_verification == NODE_VERIFICATION_REPORT) {
1293 fprintf(stderr, "irg_vrfy_bads: node %ld is a Tuple\n", get_irn_node_nr(node));
1295 if (opt_do_node_verification == NODE_VERIFICATION_ON) {
1296 assert(0 && "Tuple detected");
1301 for (i = 0; i < arity; ++i) {
1302 ir_node *pred = get_irn_n(node, i);
1305 /* check for Phi with Bad inputs */
1306 if (is_Phi(node) && !is_Bad(get_nodes_block(node)) && is_Bad(get_irn_n(get_nodes_block(node), i))) {
1307 if (venv->flags & BAD_CF)
1310 venv->res |= BAD_CF;
1312 if (opt_do_node_verification == NODE_VERIFICATION_REPORT) {
1313 fprintf(stderr, "irg_vrfy_bads: Phi %ld has Bad Input\n", get_irn_node_nr(node));
1315 if (opt_do_node_verification == NODE_VERIFICATION_ON) {
1316 assert(0 && "Bad CF detected");
1321 /* Bad node input */
1322 if ((venv->flags & BAD_DF) == 0) {
1323 venv->res |= BAD_DF;
1325 if (opt_do_node_verification == NODE_VERIFICATION_REPORT) {
1326 fprintf(stderr, "irg_vrfy_bads: node %ld has Bad Input\n", get_irn_node_nr(node));
1328 if (opt_do_node_verification == NODE_VERIFICATION_ON) {
1329 assert(0 && "Bad NON-CF detected");
1338 * verify occurance of bad nodes
1340 int irg_vrfy_bads(ir_graph *irg, int flags)
1347 irg_walk_graph(irg, check_bads, NULL, &env);