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 a proj
139 static void show_proj_failure(ir_node *n)
141 ir_node *op = get_Proj_pred(n);
142 int proj = get_Proj_proj(n);
144 fprintf(stderr, "\nFIRM: irn_vrfy_irg() of node %ld %s%s %d(%s%s) failed\n" ,
146 get_irn_opname(n), get_irn_modename(n), proj,
147 get_irn_opname(op), get_irn_modename(op));
151 * Prints a failure message for a proj
153 static void show_proj_failure_ent(ir_node *n, entity *ent)
155 ir_node *op = get_Proj_pred(n);
156 int proj = get_Proj_proj(n);
157 ir_mode *m = get_type_mode(get_entity_type(ent));
159 fprintf(stderr, "\nFIRM: irn_vrfy_irg() of node %ld %s%s %d(%s%s) entity %s(type %s mode %s)failed\n" ,
161 get_irn_opname(n), get_irn_modename(n), proj,
162 get_irn_opname(op), get_irn_modename(op),
163 get_entity_name(ent), get_type_name(get_entity_type(ent)),
164 get_mode_name_ex(m));
168 * Show a node and a graph
170 static void show_node_on_graph(ir_graph *irg, ir_node *n)
172 entity *ent = get_irg_entity(irg);
175 fprintf(stderr, "\nFIRM: irn_vrfy_irg() of entity %s, node %ld %s%s\n",
176 get_entity_name(ent),
177 get_irn_node_nr(n), get_irn_opname(n), get_irn_modename(n));
179 fprintf(stderr, "\nFIRM: irn_vrfy_irg() of graph %p, node %ld %s%s\n",
181 get_irn_node_nr(n), get_irn_opname(n), get_irn_modename(n));
187 static void show_call_param(ir_node *n, type *mt)
191 fprintf(stderr, "\nFIRM: irn_vrfy_irg() Call type-check failed: %s(", get_type_name(mt));
192 for (i = 0; i < get_method_n_params(mt); ++i) {
193 fprintf(stderr, "%s ", get_mode_name_ex(get_type_mode(get_method_param_type(mt, i))));
195 fprintf(stderr, ") != CALL(");
197 for (i = 0; i < get_Call_n_params(n); ++i) {
198 fprintf(stderr, "%s ", get_mode_name_ex(get_irn_mode(get_Call_param(n, i))));
200 fprintf(stderr, ")\n");
207 static void show_return_modes(ir_graph *irg, ir_node *n, type *mt, int i)
209 entity *ent = get_irg_entity(irg);
211 fprintf(stderr, "\nFIRM: irn_vrfy_irg() Return node %ld in entity \"%s\" mode %s different from type mode %s\n",
212 get_irn_node_nr(n), get_entity_name(ent),
213 get_mode_name_ex(get_irn_mode(get_Return_res(n, i))),
214 get_mode_name_ex(get_type_mode(get_method_res_type(mt, i)))
219 * Show return number of results
221 static void show_return_nres(ir_graph *irg, ir_node *n, type *mt)
223 entity *ent = get_irg_entity(irg);
225 fprintf(stderr, "\nFIRM: irn_vrfy_irg() Return node %ld in entity \"%s\" has %d results different from type %d\n",
226 get_irn_node_nr(n), get_entity_name(ent),
227 get_Return_n_ress(n), get_method_n_ress(mt));
233 static void show_phi_failure(ir_node *phi, ir_node *pred, int pos)
235 fprintf(stderr, "\nFIRM: irn_vrfy_irg() Phi node %ld has mode %s different from predeccessor node %ld mode %s\n",
236 get_irn_node_nr(phi), get_mode_name_ex(get_irn_mode(phi)),
237 get_irn_node_nr(pred), get_mode_name_ex(get_irn_mode(pred)));
243 static void show_phi_inputs(ir_node *phi, ir_node *block)
245 fprintf(stderr, "\nFIRM: irn_vrfy_irg() Phi node %ld has %d inputs, its Block %ld has %d\n",
246 get_irn_node_nr(phi), get_irn_arity(phi),
247 get_irn_node_nr(block), get_irn_arity(block));
250 /* If the address is Sel or SymConst, return the entity. */
251 static entity *get_ptr_entity(ir_node *ptr) {
252 if (get_irn_op(ptr) == op_Sel) {
253 return get_Sel_entity(ptr);
254 } else if ((get_irn_op(ptr) == op_SymConst) && (get_SymConst_kind(ptr) == symconst_addr_ent)) {
255 return get_SymConst_entity(ptr);
261 * verify the Proj number
264 vrfy_Proj_proj(ir_node *p, ir_graph *irg) {
269 pred = skip_Id(get_Proj_pred(p));
270 ASSERT_AND_RET(get_irn_mode(pred) == mode_T, "mode of a 'projed' node is not Tuple", 0);
271 mode = get_irn_mode(p);
272 proj = get_Proj_proj(p);
274 switch (get_irn_opcode(pred)) {
278 (proj == pn_Start_X_initial_exec && mode == mode_X) ||
279 (proj == pn_Start_M && mode == mode_M) ||
280 (proj == pn_Start_P_frame_base && mode_is_reference(mode)) ||
281 (proj == pn_Start_P_globals && mode_is_reference(mode)) ||
282 (proj == pn_Start_T_args && mode == mode_T) ||
283 (proj == pn_Start_P_value_arg_base && mode_is_reference(mode)) ||
284 (proj == pn_Start_P_value_arg_base && mode == mode_T) /* FIXME: only one of those */
286 "wrong Proj from Start", 0,
287 show_proj_failure(p);
294 (proj >= 0 && mode == mode_X && get_irn_mode(get_Cond_selector(pred)) == mode_b) || /* compare */
295 (mode == mode_X && mode_is_int(get_irn_mode(get_Cond_selector(pred)))) /* switch */
297 "wrong Proj from Cond", 0,
298 show_proj_failure(p);
304 ((proj == pn_Raise_X && mode == mode_X) || (proj == pn_Raise_M && mode == mode_M)),
305 "wrong Proj from Raise", 0,
306 show_proj_failure(p);
312 (proj >= 0 && mode == mode_X),
313 "wrong Proj from InstOf", 0,
314 show_proj_failure(p);
320 ((proj == pn_Call_M_regular && mode == mode_M) ||
321 (proj == pn_Call_X_except && mode == mode_X) ||
322 (proj == pn_Call_T_result && mode == mode_T) ||
323 (proj == pn_Call_M_except && mode == mode_M) ||
324 (proj == pn_Call_P_value_res_base && mode == mode_P)),
325 "wrong Proj from Call", 0,
326 show_proj_failure(p);
333 ((proj == pn_Quot_M && mode == mode_M) ||
334 (proj == pn_Quot_X_except && mode == mode_X) ||
335 (proj == pn_Quot_res && mode_is_float(mode))),
336 "wrong Proj from Quot", 0,
337 show_proj_failure(p);
343 ((proj == pn_DivMod_M && mode == mode_M) ||
344 (proj == pn_DivMod_X_except && mode == mode_X) ||
345 (proj == pn_DivMod_res_div && mode_is_int(mode)) ||
346 (proj == pn_DivMod_res_mod && mode_is_int(mode))),
347 "wrong Proj from DivMod", 0,
348 show_proj_failure(p);
354 ((proj == pn_Div_M && mode == mode_M) ||
355 (proj == pn_Div_X_except && mode == mode_X) ||
356 (proj == pn_Div_res && mode_is_int(mode))),
357 "wrong Proj from Div or Mod", 0,
358 show_proj_failure(p);
364 ((proj == pn_Mod_M && mode == mode_M) ||
365 (proj == pn_Mod_X_except && mode == mode_X) ||
366 (proj == pn_Mod_res && mode_is_int(mode))),
367 "wrong Proj from Div or Mod", 0,
368 show_proj_failure(p);
374 (proj >= 0 && proj <= 15 && mode == mode_b),
375 "wrong Proj from Cmp", 0,
376 show_proj_failure(p);
381 if (proj == pn_Load_res) {
382 ir_node *ptr = get_Load_ptr(pred);
383 entity *ent = get_ptr_entity(ptr);
385 if (vrfy_entities && ent && get_irg_phase_state(current_ir_graph) == phase_high) {
386 /* do NOT check this for lowered phases, see comment on Store */
388 (mode == get_type_mode(get_entity_type(ent))),
389 "wrong data Proj from Load, entity type_mode failed", 0,
390 show_proj_failure_ent(p, ent);
395 mode_is_data(mode) && mode == get_Load_mode(pred),
396 "wrong data Proj from Load", 0,
397 show_proj_failure(p);
402 ((proj == pn_Load_M && mode == mode_M) ||
403 (proj == pn_Load_X_except && mode == mode_X)),
404 "wrong Proj from Load", 0,
405 show_proj_failure(p);
412 ((proj == pn_Store_M && mode == mode_M) ||
413 (proj == pn_Store_X_except && mode == mode_X)),
414 "wrong Proj from Store", 0,
415 show_proj_failure(p);
422 (proj == pn_Alloc_M && mode == mode_M) ||
423 (proj == pn_Alloc_X_except /* && mode == mode_X*/) ||
424 (proj == pn_Alloc_res && mode_is_reference(mode))
426 "wrong Proj from Alloc", 0,
427 show_proj_failure(p);
433 type *mt; /* A method type */
434 long nr = get_Proj_proj(pred);
436 pred = skip_Id(get_Proj_pred(pred));
437 ASSERT_AND_RET((get_irn_mode(pred) == mode_T), "Proj from something not a tuple", 0);
438 switch (get_irn_opcode(pred))
441 mt = get_entity_type(get_irg_entity(irg));
443 if (nr == pn_Start_T_args) {
445 (proj >= 0 && mode_is_data(mode)),
446 "wrong Proj from Proj from Start", 0);
448 (proj < get_method_n_params(mt)),
449 "More Projs for args than args in type", 0
451 if ((mode_is_reference(mode)) && is_compound_type(get_method_param_type(mt, proj)))
452 /* value argument */ break;
455 (mode == get_type_mode(get_method_param_type(mt, proj))),
456 "Mode of Proj from Start doesn't match mode of param type.", 0);
458 else if (nr == pn_Start_P_value_arg_base) {
460 (proj >= 0 && mode_is_reference(mode)),
461 "wrong Proj from Proj from Start", 0
464 (proj < get_method_n_params(mt)),
465 "More Projs for args than args in type", 0
473 (proj >= 0 && mode_is_data(mode)),
474 "wrong Proj from Proj from Call", 0);
475 mt = get_Call_type(pred);
477 (proj < get_method_n_ress(mt)),
478 "More Projs for results than results in type.", 0);
479 if ((mode_is_reference(mode)) && is_compound_type(get_method_res_type(mt, proj)))
480 /* value result */ break;
483 (mode == get_type_mode(get_method_res_type(mt, proj))),
484 "Mode of Proj from Call doesn't match mode of result type.", 0);
494 ASSERT_AND_RET(0, "Unknown opcode", 0);
513 ASSERT_AND_RET(0, "Unknown opcode", 0);
520 int irn_vrfy_irg(ir_node *n, ir_graph *irg)
524 ir_mode *mymode, *op1mode = NULL, *op2mode, *op3mode;
525 int op_is_symmetric = 1; /* 0: asymmetric
526 1: operands have identical modes
527 2: modes of operands == mode of this node */
528 type *mt; /* A method type */
533 if (!opt_do_node_verification) return 1;
535 if (! get_interprocedural_view()) {
537 * do NOT check placement in interprocedural view, as we don't always know
538 * the "right" graph ...
541 node_is_in_irgs_storage(irg, n),
542 "Node is not stored on proper IR graph!", 0,
543 show_node_on_graph(irg, n);
547 opcode = get_irn_opcode(n);
549 /* We don't want to test nodes whose predecessors are Bad,
550 as we would have to special case that for each operation. */
551 if (opcode != iro_Phi && opcode != iro_Block)
552 for (i = 0; i < get_irn_arity(n); i++) {
553 opcode1 = get_irn_opcode(get_irn_n(n, i));
554 if (opcode1 == iro_Bad)
558 mymode = get_irn_mode(n);
564 for (i = 0; i < get_Block_n_cfgpreds(n); ++i) {
565 ir_node *pred = get_Block_cfgpred(n, i);
569 (get_irn_mode(pred) == mode_X)
572 /* End block may only have Return, Raise or fragile ops as preds. */
573 if (n == get_irg_end_block(irg))
574 for (i = 0; i < get_Block_n_cfgpreds(n); ++i) {
575 ir_node *pred = skip_Proj(get_Block_cfgpred(n, i));
576 if (is_Proj(pred) || get_irn_op(pred) == op_Tuple)
577 break; /* We can not test properly. How many tuples are there? */
578 ASSERT_AND_RET(((get_irn_op(pred) == op_Return) ||
580 (get_irn_op(pred) == op_Raise) ||
581 is_fragile_op(pred) ),
582 "End Block node", 0);
584 /* irg attr must == graph we are in. */
585 if (! get_interprocedural_view()) {
586 ASSERT_AND_RET(((get_irn_irg(n) && get_irn_irg(n) == irg)), "Block node has wrong irg attribute", 0);
593 /* Start: BB --> X x M x ref x data1 x ... x datan x ref */
594 mymode == mode_T, "Start node", 0
601 mymode == mode_X, "Jmp node", 0
608 mymode == mode_X, "Jmp node", 0
613 op1mode = get_irn_mode(in[1]);
615 /* Cond: BB x b --> X x X */
616 (op1mode == mode_b ||
617 /* Cond: BB x int --> X^n */
618 mode_is_int(op1mode) ), "Cond node", 0
620 ASSERT_AND_RET(mymode == mode_T, "Cond mode is not a tuple", 0);
624 op1mode = get_irn_mode(in[1]);
625 /* Return: BB x M x data1 x ... x datan --> X */
626 /* printf("mode: %s, code %s\n", ID_TO_STR(n->mode->name), ID_TO_STR(n->op->name));*/
627 ASSERT_AND_RET( op1mode == mode_M, "Return node", 0 ); /* operand M */
628 for (i = 2; i < get_irn_arity(n); i++) {
629 ASSERT_AND_RET( mode_is_data(get_irn_mode(in[i])), "Return node", 0 ); /* operand datai */
631 ASSERT_AND_RET( mymode == mode_X, "Result X", 0 ); /* result X */
632 /* Compare returned results with result types of method type */
633 mt = get_entity_type(get_irg_entity(irg));
634 ASSERT_AND_RET_DBG( get_Return_n_ress(n) == get_method_n_ress(mt),
635 "Number of results for Return doesn't match number of results in type.", 0,
636 show_return_nres(irg, n, mt););
637 for (i = 0; i < get_Return_n_ress(n); i++) {
638 type *res_type = get_method_res_type(mt, i);
640 if (is_atomic_type(res_type)) {
642 get_irn_mode(get_Return_res(n, i)) == get_type_mode(res_type),
643 "Mode of result for Return doesn't match mode of result type.", 0,
644 show_return_modes(irg, n, mt, i);
649 mode_is_reference(get_irn_mode(get_Return_res(n, i))),
650 "Mode of result for Return doesn't match mode of result type.", 0,
651 show_return_modes(irg, n, mt, i);
658 op1mode = get_irn_mode(in[1]);
659 op2mode = get_irn_mode(in[2]);
661 /* Sel: BB x M x ref --> X x M */
662 op1mode == mode_M && mode_is_reference(op2mode) &&
663 mymode == mode_T, "Raise node", 0
669 /* Const: BB --> data */
670 (mode_is_data (mymode) ||
671 mymode == mode_b) /* we want boolean constants for static evaluation */
672 ,"Const node", 0 /* of Cmp. */
676 if (get_SymConst_kind(n) == symconst_addr_ent) {
677 entity *ent = get_SymConst_entity(n);
678 if (is_method_type(get_entity_type(ent)) &&
679 get_irn_irg(n) != get_const_code_irg()) {
681 ASSERT_AND_RET((get_entity_peculiarity(ent) != peculiarity_description),
682 "A constant must address an existing method.", 0);
687 /* SymConst: BB --> int*/
688 (mode_is_int(mymode) ||
689 /* SymConst: BB --> ref */
690 mode_is_reference(mymode))
691 ,"SymConst node", 0);
695 op1mode = get_irn_mode(in[1]);
696 op2mode = get_irn_mode(in[2]);
698 /* Sel: BB x M x ref x int^n --> ref */
699 (op1mode == mode_M && op2mode == mymode && mode_is_reference(mymode)),
700 "Sel node", 0, show_node_failure(n)
702 for (i=3; i < get_irn_arity(n); i++)
704 ASSERT_AND_RET_DBG(mode_is_int(get_irn_mode(in[i])), "Sel node", 0, show_node_failure(n));
706 ent = get_Sel_entity(n);
707 ASSERT_AND_RET_DBG(ent, "Sel node with empty entity", 0, show_node_failure(n));
711 ASSERT_AND_RET(mode_T == mymode, "mode of Instof is not a tuple", 0);
712 ASSERT_AND_RET(mode_is_data(op1mode), "Instof not on data", 0);
716 op1mode = get_irn_mode(in[1]);
717 op2mode = get_irn_mode(in[2]);
718 /* Call: BB x M x ref x data1 x ... x datan
719 --> M x datan+1 x ... x data n+m */
720 ASSERT_AND_RET( op1mode == mode_M && mode_is_reference(op2mode), "Call node", 0 ); /* operand M x ref */
722 mt = get_Call_type(n);
723 if(get_unknown_type() == mt) {
727 for (i=3; i < get_irn_arity(n); i++) {
728 ASSERT_AND_RET( mode_is_data(get_irn_mode(in[i])), "Call node", 0 ); /* operand datai */
730 ASSERT_AND_RET( mymode == mode_T, "Call result not a tuple", 0 ); /* result T */
731 /* Compare arguments of node with those of type */
733 if (get_method_variadicity(mt) == variadicity_variadic) {
735 get_Call_n_params(n) >= get_method_n_params(mt),
736 "Number of args for Call doesn't match number of args in variadic type.",
738 fprintf(stderr, "Call has %d params, method %s type %d\n",
739 get_Call_n_params(n), get_type_name(mt), get_method_n_params(mt));
744 get_Call_n_params(n) == get_method_n_params(mt),
745 "Number of args for Call doesn't match number of args in non variadic type.",
749 for (i = 0; i < get_method_n_params(mt); i++) {
750 type *t = get_method_param_type(mt, i);
752 if (is_atomic_type(t)) {
754 get_irn_mode(get_Call_param(n, i)) == get_type_mode(t),
755 "Mode of arg for Call doesn't match mode of arg type.", 0,
756 show_call_param(n, mt);
760 /* call with a compound type, mode must be reference */
762 mode_is_reference(get_irn_mode(get_Call_param(n, i))),
763 "Mode of arg for Call doesn't match mode of arg type.", 0,
764 show_call_param(n, mt);
770 if (Call_has_callees(n)) {
771 for (i = 0; i < get_Call_n_callees(n); i++) {
772 ASSERT_AND_RET(is_entity(get_Call_callee(n, i)), "callee array must contain entities.", 0);
779 op1mode = get_irn_mode(in[1]);
780 op2mode = get_irn_mode(in[2]);
783 /* common Add: BB x numP x numP --> numP */
784 (op1mode == mymode && op2mode == op1mode && mode_is_numP(mymode)) ||
785 /* Pointer Add: BB x ref x int --> ref */
786 (mode_is_reference(op1mode) && mode_is_int(op2mode) && op1mode == mymode) ||
787 /* Pointer Add: BB x int x ref --> ref */
788 (mode_is_int(op1mode) && op2mode == mymode && mode_is_reference(mymode))
791 show_binop_failure(n, "/* common Add: BB x numP x numP --> numP */ |\n"
792 "/* Pointer Add: BB x ref x int --> ref */ |\n"
793 "/* Pointer Add: BB x int x ref --> ref */");
795 if (mode_is_reference(op1mode) != mode_is_reference(op2mode)) {
796 /* BB x ref x int --> ref or BB x int x ref --> ref */
799 /* BB x num x num --> num or BB x ref x ref */
805 op1mode = get_irn_mode(in[1]);
806 op2mode = get_irn_mode(in[2]);
808 /* common Sub: BB x numP x numP --> numP */
809 ((mymode ==op1mode && mymode == op2mode && mode_is_numP(op1mode)) ||
810 /* Pointer Sub: BB x ref x int --> ref */
811 (op1mode == mymode && mode_is_int(op2mode) && mode_is_reference(mymode)) ||
812 /* Pointer Sub: BB x int x ref --> ref */
813 (mode_is_int(op1mode) && op2mode == mymode && mode_is_reference(mymode)) ||
814 /* Pointer Sub: BB x ref x ref --> int */
815 (op1mode == op2mode && mode_is_reference(op2mode) && mode_is_int(mymode))),
817 show_binop_failure(n, "/* common Sub: BB x numP x numP --> numP */ |\n"
818 "/* Pointer Sub: BB x ref x int --> ref */ |\n"
819 "/* Pointer Sub: BB x int x ref --> ref */ |\n"
820 "/* Pointer Sub: BB x ref x ref --> int */" );
822 if (mode_is_reference(op1mode) != mode_is_reference(op2mode)) {
830 op1mode = get_irn_mode(in[1]);
832 /* Minus: BB x float --> float */
833 op1mode == mymode && mode_is_float(op1mode), "Minus node", 0,
834 show_unop_failure(n , "/* Minus: BB x float --> float */");
840 op1mode = get_irn_mode(in[1]);
841 op2mode = get_irn_mode(in[2]);
843 /* Mul: BB x int1 x int1 --> int2 */
844 ((mode_is_int(op1mode) && op2mode == op1mode && mode_is_int(mymode)) ||
845 /* Mul: BB x float x float --> float */
846 (mode_is_float(op1mode) && op2mode == op1mode && mymode == op1mode)),
848 show_binop_failure(n, "/* Mul: BB x int1 x int1 --> int2 */ |\n"
849 "/* Mul: BB x float x float --> float */");
855 op1mode = get_irn_mode(in[1]);
856 op2mode = get_irn_mode(in[2]);
857 op3mode = get_irn_mode(in[3]);
859 /* Quot: BB x M x float x float --> M x X x float */
860 op1mode == mode_M && op2mode == op3mode &&
861 get_mode_sort(op2mode) == irms_float_number &&
864 show_binop_failure(n, "/* Quot: BB x M x float x float --> M x X x float */");
870 op1mode = get_irn_mode(in[1]);
871 op2mode = get_irn_mode(in[2]);
872 op3mode = get_irn_mode(in[3]);
874 /* DivMod: BB x M x int x int --> M x X x int x int */
876 mode_is_int(op2mode) &&
877 op3mode == op2mode &&
886 op1mode = get_irn_mode(in[1]);
887 op2mode = get_irn_mode(in[2]);
888 op3mode = get_irn_mode(in[3]);
890 /* Div or Mod: BB x M x int x int --> M x X x int */
892 op2mode == op3mode &&
893 mode_is_int(op2mode) &&
901 op1mode = get_irn_mode(in[1]);
903 /* Abs: BB x num --> num */
905 mode_is_num (op1mode),
907 show_unop_failure(n, "/* Abs: BB x num --> num */");
915 op1mode = get_irn_mode(in[1]);
916 op2mode = get_irn_mode(in[2]);
918 /* And or Or or Eor: BB x int x int --> int */
919 mode_is_int(mymode) &&
920 op2mode == op1mode &&
922 "And, Or or Eor node", 0,
923 show_binop_failure(n, "/* And or Or or Eor: BB x int x int --> int */");
929 op1mode = get_irn_mode(in[1]);
931 /* Not: BB x int --> int */
932 mode_is_int(mymode) &&
935 show_unop_failure(n, "/* Not: BB x int --> int */");
942 op1mode = get_irn_mode(in[1]);
943 op2mode = get_irn_mode(in[2]);
945 /* Cmp: BB x datab x datab --> b16 */
946 mode_is_data (op1mode) &&
947 op2mode == op1mode &&
950 show_binop_failure(n, "/* Cmp: BB x datab x datab --> b16 */");
957 op1mode = get_irn_mode(in[1]);
958 op2mode = get_irn_mode(in[2]);
960 /* Shl, Shr or Shrs: BB x int x int_u --> int */
961 mode_is_int(op1mode) &&
962 mode_is_int(op2mode) &&
963 !mode_is_signed(op2mode) &&
965 "Shl, Shr, Shr or Rot node", 0,
966 show_binop_failure(n, "/* Shl, Shr or Shrs: BB x int x int_u --> int */");
971 op1mode = get_irn_mode(in[1]);
972 op2mode = get_irn_mode(in[2]);
974 /* Rot: BB x int x int --> int */
975 mode_is_int(op1mode) &&
976 mode_is_int(op2mode) &&
979 show_binop_failure(n, "/* Rot: BB x int x int --> int */");
984 op1mode = get_irn_mode(in[1]);
986 /* Conv: BB x datab1 --> datab2 */
987 mode_is_datab(op1mode) && mode_is_data(mymode),
989 show_unop_failure(n, "/* Conv: BB x datab1 --> datab2 */");
994 op1mode = get_irn_mode(in[1]);
996 /* Conv: BB x datab1 --> datab2 */
997 mode_is_data(op1mode) && op1mode == mymode,
999 show_unop_failure(n, "/* Conv: BB x datab1 --> datab2 */");
1005 ir_node *block = get_nodes_block(n);
1007 if (! is_Bad(block) && get_irg_phase_state(get_irn_irg(n)) != phase_building) {
1008 /* a Phi node MUST have the same number of inputs as its block */
1010 get_irn_arity(n) == get_irn_arity(block),
1011 "wrong number of inputs in Phi node", 0,
1012 show_phi_inputs(n, block);
1016 /* Phi: BB x dataM^n --> dataM */
1017 for (i = 1; i < get_irn_arity(n); i++) {
1018 if (!is_Bad(in[i]) && (get_irn_op(in[i]) != op_Unknown))
1020 get_irn_mode(in[i]) == mymode,
1022 show_phi_failure(n, in[i], i);
1025 ASSERT_AND_RET( mode_is_dataM(mymode), "Phi node", 0 );
1029 op1mode = get_irn_mode(in[1]);
1030 op2mode = get_irn_mode(in[2]);
1032 /* Load: BB x M x ref --> M x X x data */
1033 op1mode == mode_M && mode_is_reference(op2mode),
1036 ASSERT_AND_RET( mymode == mode_T, "Load node", 0 );
1039 * jack's gen_add_firm_code:simpleSel seems to build Load (Load
1040 * (Proj (Proj))) sometimes ...
1042 * interprete.c:ai_eval seems to assume that this happens, too
1044 * obset.c:get_abstval_any can't deal with this if the load has
1048 entity *ent = hunt_for_entity (get_Load_ptr (n), n);
1049 assert ((NULL != ent) || (mymode != mode_T));
1056 op1mode = get_irn_mode(in[1]);
1057 op2mode = get_irn_mode(in[2]);
1058 op3mode = get_irn_mode(in[3]);
1060 /* Load: BB x M x ref data --> M x X */
1061 op1mode == mode_M && mode_is_reference(op2mode) && mode_is_data(op3mode),
1064 ASSERT_AND_RET(mymode == mode_T, "Store node", 0);
1066 entity *target = get_ptr_entity(in[2]);
1067 if (vrfy_entities && target && get_irg_phase_state(current_ir_graph) == phase_high) {
1069 * If lowered code, any Sels that add 0 may be removed, causing
1070 * an direct access to entities of array or compound type.
1071 * Prevent this by checking the phase.
1073 ASSERT_AND_RET( op3mode == get_type_mode(get_entity_type(target)),
1080 op1mode = get_irn_mode(in[1]);
1081 op2mode = get_irn_mode(in[2]);
1083 /* Alloc: BB x M x int_u --> M x X x ref */
1084 op1mode == mode_M &&
1085 mode_is_int(op2mode) &&
1086 !mode_is_signed(op2mode) &&
1089 show_binop_failure(n, "/* Alloc: BB x M x int_u --> M x X x ref */");
1094 op1mode = get_irn_mode(in[1]);
1095 op2mode = get_irn_mode(in[2]);
1097 /* Free: BB x M x ref --> M */
1098 op1mode == mode_M && mode_is_reference(op2mode) &&
1101 show_binop_failure(n, "/* Free: BB x M x ref --> M */");
1106 /* Sync: BB x M^n --> M */
1107 for (i=1; i < get_irn_arity(n); i++) {
1108 ASSERT_AND_RET( get_irn_mode(in[i]) == mode_M, "Sync node", 0 );
1110 ASSERT_AND_RET( mymode == mode_M, "Sync node", 0 );
1114 return vrfy_Proj_proj(n, irg);
1118 op1mode = get_irn_mode(in[1]);
1119 op2mode = get_irn_mode(in[2]);
1121 /* Confirm: BB x T x T --> T */
1122 op1mode == mymode &&
1125 show_binop_failure(n, "/* Confirm: BB x T x T --> T */");
1137 int irn_vrfy(ir_node *n)
1140 #ifdef DEBUG_libfirm
1141 res = irn_vrfy_irg(n, current_ir_graph);
1146 /*-----------------------------------------------------------------*/
1147 /* Verify the whole graph. */
1148 /*-----------------------------------------------------------------*/
1150 /* This *is* used, except gcc doesn't notice that */
1151 static void vrfy_wrap(ir_node *node, void *env)
1155 *res = irn_vrfy(node);
1158 int irg_vrfy(ir_graph *irg)
1161 #ifdef DEBUG_libfirm
1164 rem = current_ir_graph;
1165 current_ir_graph = irg;
1167 assert(get_irg_pinned(irg) == op_pin_state_pinned);
1169 irg_walk_graph(irg, vrfy_wrap, NULL, &res);
1171 current_ir_graph = rem;
1173 if (opt_do_node_verification == NODE_VERIFICATION_REPORT && ! res) {
1174 entity *ent = get_irg_entity(current_ir_graph);
1177 fprintf(stderr, "irg_verify: Verifying graph %s failed\n", get_entity_name(ent));
1179 fprintf(stderr, "irg_verify: Verifying graph %p failed\n", (void *)current_ir_graph);
1186 int irn_vrfy_irg_dump(ir_node *n, ir_graph *irg, const char **bad_string)
1189 node_verification_t old = opt_do_node_verification;
1192 opt_do_node_verification = NODE_VERIFICATION_ERROR_ONLY;
1193 res = irn_vrfy_irg(n, irg);
1194 opt_do_node_verification = old;
1195 *bad_string = bad_msg;
1201 typedef struct _vrfy_bad_env_t {
1206 static void check_bads(ir_node *node, void *env)
1208 vrfy_bad_env_t *venv = env;
1209 int i, arity = get_irn_arity(node);
1211 if (is_Block(node)) {
1212 if ((venv->flags & BAD_CF) == 0) {
1214 /* check for Bad Block predecessor */
1215 for (i = 0; i < arity; ++i) {
1216 ir_node *pred = get_irn_n(node, i);
1219 venv->res |= BAD_CF;
1221 if (opt_do_node_verification == NODE_VERIFICATION_REPORT) {
1222 fprintf(stderr, "irg_vrfy_bads: Block %ld has Bad predecessor\n", get_irn_node_nr(node));
1224 if (opt_do_node_verification == NODE_VERIFICATION_ON) {
1225 assert(0 && "Bad CF detected");
1232 if ((venv->flags & BAD_BLOCK) == 0) {
1234 /* check for Bad Block */
1235 if (is_Bad(get_nodes_block(node))) {
1236 venv->res |= BAD_BLOCK;
1238 if (opt_do_node_verification == NODE_VERIFICATION_REPORT) {
1239 fprintf(stderr, "irg_vrfy_bads: node %ld has Bad Block\n", get_irn_node_nr(node));
1241 if (opt_do_node_verification == NODE_VERIFICATION_ON) {
1242 assert(0 && "Bad CF detected");
1247 if ((venv->flags & TUPLE) == 0) {
1248 if (get_irn_op(node) == op_Tuple) {
1251 if (opt_do_node_verification == NODE_VERIFICATION_REPORT) {
1252 fprintf(stderr, "irg_vrfy_bads: node %ld is a Tuple\n", get_irn_node_nr(node));
1254 if (opt_do_node_verification == NODE_VERIFICATION_ON) {
1255 assert(0 && "Tuple detected");
1260 for (i = 0; i < arity; ++i) {
1261 ir_node *pred = get_irn_n(node, i);
1264 /* check for Phi with Bad inputs */
1265 if (is_Phi(node) && !is_Bad(get_nodes_block(node)) && is_Bad(get_irn_n(get_nodes_block(node), i))) {
1266 if (venv->flags & BAD_CF)
1269 venv->res |= BAD_CF;
1271 if (opt_do_node_verification == NODE_VERIFICATION_REPORT) {
1272 fprintf(stderr, "irg_vrfy_bads: Phi %ld has Bad Input\n", get_irn_node_nr(node));
1274 if (opt_do_node_verification == NODE_VERIFICATION_ON) {
1275 assert(0 && "Bad CF detected");
1280 /* Bad node input */
1281 if ((venv->flags & BAD_DF) == 0) {
1282 venv->res |= BAD_DF;
1284 if (opt_do_node_verification == NODE_VERIFICATION_REPORT) {
1285 fprintf(stderr, "irg_vrfy_bads: node %ld has Bad Input\n", get_irn_node_nr(node));
1287 if (opt_do_node_verification == NODE_VERIFICATION_ON) {
1288 assert(0 && "Bad NON-CF detected");
1297 * verify occurance of bad nodes
1299 int irg_vrfy_bads(ir_graph *irg, int flags)
1306 irg_walk_graph(irg, check_bads, NULL, &env);