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);
493 /* hmm, optimization did not remove it */
497 ASSERT_AND_RET(0, "Unknown opcode", 0);
516 ASSERT_AND_RET(0, "Unknown opcode", 0);
523 int irn_vrfy_irg(ir_node *n, ir_graph *irg)
527 ir_mode *mymode, *op1mode = NULL, *op2mode, *op3mode;
528 int op_is_symmetric = 1; /* 0: asymmetric
529 1: operands have identical modes
530 2: modes of operands == mode of this node */
531 type *mt; /* A method type */
536 if (!opt_do_node_verification) return 1;
538 if (! get_interprocedural_view()) {
540 * do NOT check placement in interprocedural view, as we don't always know
541 * the "right" graph ...
544 node_is_in_irgs_storage(irg, n),
545 "Node is not stored on proper IR graph!", 0,
546 show_node_on_graph(irg, n);
550 opcode = get_irn_opcode(n);
552 /* We don't want to test nodes whose predecessors are Bad,
553 as we would have to special case that for each operation. */
554 if (opcode != iro_Phi && opcode != iro_Block)
555 for (i = 0; i < get_irn_arity(n); i++) {
556 opcode1 = get_irn_opcode(get_irn_n(n, i));
557 if (opcode1 == iro_Bad)
561 mymode = get_irn_mode(n);
567 for (i = 0; i < get_Block_n_cfgpreds(n); ++i) {
568 ir_node *pred = get_Block_cfgpred(n, i);
572 (get_irn_mode(pred) == mode_X)
575 /* End block may only have Return, Raise or fragile ops as preds. */
576 if (n == get_irg_end_block(irg))
577 for (i = 0; i < get_Block_n_cfgpreds(n); ++i) {
578 ir_node *pred = skip_Proj(get_Block_cfgpred(n, i));
579 if (is_Proj(pred) || get_irn_op(pred) == op_Tuple)
580 break; /* We can not test properly. How many tuples are there? */
581 ASSERT_AND_RET(((get_irn_op(pred) == op_Return) ||
583 (get_irn_op(pred) == op_Raise) ||
584 is_fragile_op(pred) ),
585 "End Block node", 0);
587 /* irg attr must == graph we are in. */
588 if (! get_interprocedural_view()) {
589 ASSERT_AND_RET(((get_irn_irg(n) && get_irn_irg(n) == irg)), "Block node has wrong irg attribute", 0);
596 /* Start: BB --> X x M x ref x data1 x ... x datan x ref */
597 mymode == mode_T, "Start node", 0
604 mymode == mode_X, "Jmp node", 0
611 mymode == mode_X, "Jmp node", 0
616 op1mode = get_irn_mode(in[1]);
618 /* Cond: BB x b --> X x X */
619 (op1mode == mode_b ||
620 /* Cond: BB x int --> X^n */
621 mode_is_int(op1mode) ), "Cond node", 0
623 ASSERT_AND_RET(mymode == mode_T, "Cond mode is not a tuple", 0);
627 op1mode = get_irn_mode(in[1]);
628 /* Return: BB x M x data1 x ... x datan --> X */
629 /* printf("mode: %s, code %s\n", ID_TO_STR(n->mode->name), ID_TO_STR(n->op->name));*/
630 ASSERT_AND_RET( op1mode == mode_M, "Return node", 0 ); /* operand M */
631 for (i = 2; i < get_irn_arity(n); i++) {
632 ASSERT_AND_RET( mode_is_data(get_irn_mode(in[i])), "Return node", 0 ); /* operand datai */
634 ASSERT_AND_RET( mymode == mode_X, "Result X", 0 ); /* result X */
635 /* Compare returned results with result types of method type */
636 mt = get_entity_type(get_irg_entity(irg));
637 ASSERT_AND_RET_DBG( get_Return_n_ress(n) == get_method_n_ress(mt),
638 "Number of results for Return doesn't match number of results in type.", 0,
639 show_return_nres(irg, n, mt););
640 for (i = 0; i < get_Return_n_ress(n); i++) {
641 type *res_type = get_method_res_type(mt, i);
643 if (is_atomic_type(res_type)) {
645 get_irn_mode(get_Return_res(n, i)) == get_type_mode(res_type),
646 "Mode of result for Return doesn't match mode of result type.", 0,
647 show_return_modes(irg, n, mt, i);
652 mode_is_reference(get_irn_mode(get_Return_res(n, i))),
653 "Mode of result for Return doesn't match mode of result type.", 0,
654 show_return_modes(irg, n, mt, i);
661 op1mode = get_irn_mode(in[1]);
662 op2mode = get_irn_mode(in[2]);
664 /* Sel: BB x M x ref --> X x M */
665 op1mode == mode_M && mode_is_reference(op2mode) &&
666 mymode == mode_T, "Raise node", 0
672 /* Const: BB --> data */
673 (mode_is_data (mymode) ||
674 mymode == mode_b) /* we want boolean constants for static evaluation */
675 ,"Const node", 0 /* of Cmp. */
679 if (get_SymConst_kind(n) == symconst_addr_ent) {
680 entity *ent = get_SymConst_entity(n);
681 if (is_method_type(get_entity_type(ent)) &&
682 get_irn_irg(n) != get_const_code_irg()) {
684 ASSERT_AND_RET((get_entity_peculiarity(ent) != peculiarity_description),
685 "A constant must address an existing method.", 0);
690 /* SymConst: BB --> int*/
691 (mode_is_int(mymode) ||
692 /* SymConst: BB --> ref */
693 mode_is_reference(mymode))
694 ,"SymConst node", 0);
698 op1mode = get_irn_mode(in[1]);
699 op2mode = get_irn_mode(in[2]);
701 /* Sel: BB x M x ref x int^n --> ref */
702 (op1mode == mode_M && op2mode == mymode && mode_is_reference(mymode)),
703 "Sel node", 0, show_node_failure(n)
705 for (i=3; i < get_irn_arity(n); i++)
707 ASSERT_AND_RET_DBG(mode_is_int(get_irn_mode(in[i])), "Sel node", 0, show_node_failure(n));
709 ent = get_Sel_entity(n);
710 ASSERT_AND_RET_DBG(ent, "Sel node with empty entity", 0, show_node_failure(n));
714 ASSERT_AND_RET(mode_T == mymode, "mode of Instof is not a tuple", 0);
715 ASSERT_AND_RET(mode_is_data(op1mode), "Instof not on data", 0);
719 op1mode = get_irn_mode(in[1]);
720 op2mode = get_irn_mode(in[2]);
721 /* Call: BB x M x ref x data1 x ... x datan
722 --> M x datan+1 x ... x data n+m */
723 ASSERT_AND_RET( op1mode == mode_M && mode_is_reference(op2mode), "Call node", 0 ); /* operand M x ref */
725 mt = get_Call_type(n);
726 if(get_unknown_type() == mt) {
730 for (i=3; i < get_irn_arity(n); i++) {
731 ASSERT_AND_RET( mode_is_data(get_irn_mode(in[i])), "Call node", 0 ); /* operand datai */
733 ASSERT_AND_RET( mymode == mode_T, "Call result not a tuple", 0 ); /* result T */
734 /* Compare arguments of node with those of type */
736 if (get_method_variadicity(mt) == variadicity_variadic) {
738 get_Call_n_params(n) >= get_method_n_params(mt),
739 "Number of args for Call doesn't match number of args in variadic type.",
741 fprintf(stderr, "Call has %d params, method %s type %d\n",
742 get_Call_n_params(n), get_type_name(mt), get_method_n_params(mt));
747 get_Call_n_params(n) == get_method_n_params(mt),
748 "Number of args for Call doesn't match number of args in non variadic type.",
752 for (i = 0; i < get_method_n_params(mt); i++) {
753 type *t = get_method_param_type(mt, i);
755 if (is_atomic_type(t)) {
757 get_irn_mode(get_Call_param(n, i)) == get_type_mode(t),
758 "Mode of arg for Call doesn't match mode of arg type.", 0,
759 show_call_param(n, mt);
763 /* call with a compound type, mode must be reference */
765 mode_is_reference(get_irn_mode(get_Call_param(n, i))),
766 "Mode of arg for Call doesn't match mode of arg type.", 0,
767 show_call_param(n, mt);
773 if (Call_has_callees(n)) {
774 for (i = 0; i < get_Call_n_callees(n); i++) {
775 ASSERT_AND_RET(is_entity(get_Call_callee(n, i)), "callee array must contain entities.", 0);
782 op1mode = get_irn_mode(in[1]);
783 op2mode = get_irn_mode(in[2]);
786 /* common Add: BB x numP x numP --> numP */
787 (op1mode == mymode && op2mode == op1mode && mode_is_numP(mymode)) ||
788 /* Pointer Add: BB x ref x int --> ref */
789 (mode_is_reference(op1mode) && mode_is_int(op2mode) && op1mode == mymode) ||
790 /* Pointer Add: BB x int x ref --> ref */
791 (mode_is_int(op1mode) && op2mode == mymode && mode_is_reference(mymode))
794 show_binop_failure(n, "/* common Add: BB x numP x numP --> numP */ |\n"
795 "/* Pointer Add: BB x ref x int --> ref */ |\n"
796 "/* Pointer Add: BB x int x ref --> ref */");
798 if (mode_is_reference(op1mode) != mode_is_reference(op2mode)) {
799 /* BB x ref x int --> ref or BB x int x ref --> ref */
802 /* BB x num x num --> num or BB x ref x ref */
808 op1mode = get_irn_mode(in[1]);
809 op2mode = get_irn_mode(in[2]);
811 /* common Sub: BB x numP x numP --> numP */
812 ((mymode ==op1mode && mymode == op2mode && mode_is_numP(op1mode)) ||
813 /* Pointer Sub: BB x ref x int --> ref */
814 (op1mode == mymode && mode_is_int(op2mode) && mode_is_reference(mymode)) ||
815 /* Pointer Sub: BB x int x ref --> ref */
816 (mode_is_int(op1mode) && op2mode == mymode && mode_is_reference(mymode)) ||
817 /* Pointer Sub: BB x ref x ref --> int */
818 (op1mode == op2mode && mode_is_reference(op2mode) && mode_is_int(mymode))),
820 show_binop_failure(n, "/* common Sub: BB x numP x numP --> numP */ |\n"
821 "/* Pointer Sub: BB x ref x int --> ref */ |\n"
822 "/* Pointer Sub: BB x int x ref --> ref */ |\n"
823 "/* Pointer Sub: BB x ref x ref --> int */" );
825 if (mode_is_reference(op1mode) != mode_is_reference(op2mode)) {
833 op1mode = get_irn_mode(in[1]);
835 /* Minus: BB x float --> float */
836 op1mode == mymode && mode_is_float(op1mode), "Minus node", 0,
837 show_unop_failure(n , "/* Minus: BB x float --> float */");
843 op1mode = get_irn_mode(in[1]);
844 op2mode = get_irn_mode(in[2]);
846 /* Mul: BB x int1 x int1 --> int2 */
847 ((mode_is_int(op1mode) && op2mode == op1mode && mode_is_int(mymode)) ||
848 /* Mul: BB x float x float --> float */
849 (mode_is_float(op1mode) && op2mode == op1mode && mymode == op1mode)),
851 show_binop_failure(n, "/* Mul: BB x int1 x int1 --> int2 */ |\n"
852 "/* Mul: BB x float x float --> float */");
858 op1mode = get_irn_mode(in[1]);
859 op2mode = get_irn_mode(in[2]);
860 op3mode = get_irn_mode(in[3]);
862 /* Quot: BB x M x float x float --> M x X x float */
863 op1mode == mode_M && op2mode == op3mode &&
864 get_mode_sort(op2mode) == irms_float_number &&
867 show_binop_failure(n, "/* Quot: BB x M x float x float --> M x X x float */");
873 op1mode = get_irn_mode(in[1]);
874 op2mode = get_irn_mode(in[2]);
875 op3mode = get_irn_mode(in[3]);
877 /* DivMod: BB x M x int x int --> M x X x int x int */
879 mode_is_int(op2mode) &&
880 op3mode == op2mode &&
889 op1mode = get_irn_mode(in[1]);
890 op2mode = get_irn_mode(in[2]);
891 op3mode = get_irn_mode(in[3]);
893 /* Div or Mod: BB x M x int x int --> M x X x int */
895 op2mode == op3mode &&
896 mode_is_int(op2mode) &&
904 op1mode = get_irn_mode(in[1]);
906 /* Abs: BB x num --> num */
908 mode_is_num (op1mode),
910 show_unop_failure(n, "/* Abs: BB x num --> num */");
918 op1mode = get_irn_mode(in[1]);
919 op2mode = get_irn_mode(in[2]);
921 /* And or Or or Eor: BB x int x int --> int */
922 mode_is_int(mymode) &&
923 op2mode == op1mode &&
925 "And, Or or Eor node", 0,
926 show_binop_failure(n, "/* And or Or or Eor: BB x int x int --> int */");
932 op1mode = get_irn_mode(in[1]);
934 /* Not: BB x int --> int */
935 mode_is_int(mymode) &&
938 show_unop_failure(n, "/* Not: BB x int --> int */");
945 op1mode = get_irn_mode(in[1]);
946 op2mode = get_irn_mode(in[2]);
948 /* Cmp: BB x datab x datab --> b16 */
949 mode_is_data (op1mode) &&
950 op2mode == op1mode &&
953 show_binop_failure(n, "/* Cmp: BB x datab x datab --> b16 */");
960 op1mode = get_irn_mode(in[1]);
961 op2mode = get_irn_mode(in[2]);
963 /* Shl, Shr or Shrs: BB x int x int_u --> int */
964 mode_is_int(op1mode) &&
965 mode_is_int(op2mode) &&
966 !mode_is_signed(op2mode) &&
968 "Shl, Shr, Shr or Rot node", 0,
969 show_binop_failure(n, "/* Shl, Shr or Shrs: BB x int x int_u --> int */");
974 op1mode = get_irn_mode(in[1]);
975 op2mode = get_irn_mode(in[2]);
977 /* Rot: BB x int x int --> int */
978 mode_is_int(op1mode) &&
979 mode_is_int(op2mode) &&
982 show_binop_failure(n, "/* Rot: BB x int x int --> int */");
987 op1mode = get_irn_mode(in[1]);
989 /* Conv: BB x datab1 --> datab2 */
990 mode_is_datab(op1mode) && mode_is_data(mymode),
992 show_unop_failure(n, "/* Conv: BB x datab1 --> datab2 */");
997 op1mode = get_irn_mode(in[1]);
999 /* Conv: BB x datab1 --> datab2 */
1000 mode_is_data(op1mode) && op1mode == mymode,
1002 show_unop_failure(n, "/* Conv: BB x datab1 --> datab2 */");
1008 ir_node *block = get_nodes_block(n);
1010 if (! is_Bad(block) && get_irg_phase_state(get_irn_irg(n)) != phase_building) {
1011 /* a Phi node MUST have the same number of inputs as its block */
1013 get_irn_arity(n) == get_irn_arity(block),
1014 "wrong number of inputs in Phi node", 0,
1015 show_phi_inputs(n, block);
1019 /* Phi: BB x dataM^n --> dataM */
1020 for (i = 1; i < get_irn_arity(n); i++) {
1021 if (!is_Bad(in[i]) && (get_irn_op(in[i]) != op_Unknown))
1023 get_irn_mode(in[i]) == mymode,
1025 show_phi_failure(n, in[i], i);
1028 ASSERT_AND_RET( mode_is_dataM(mymode), "Phi node", 0 );
1032 op1mode = get_irn_mode(in[1]);
1033 op2mode = get_irn_mode(in[2]);
1035 /* Load: BB x M x ref --> M x X x data */
1036 op1mode == mode_M && mode_is_reference(op2mode),
1039 ASSERT_AND_RET( mymode == mode_T, "Load node", 0 );
1042 * jack's gen_add_firm_code:simpleSel seems to build Load (Load
1043 * (Proj (Proj))) sometimes ...
1045 * interprete.c:ai_eval seems to assume that this happens, too
1047 * obset.c:get_abstval_any can't deal with this if the load has
1051 entity *ent = hunt_for_entity (get_Load_ptr (n), n);
1052 assert ((NULL != ent) || (mymode != mode_T));
1061 op1mode = get_irn_mode(in[1]);
1062 op2mode = get_irn_mode(in[2]);
1063 op3mode = get_irn_mode(in[3]);
1065 /* Load: BB x M x ref data --> M x X */
1066 op1mode == mode_M && mode_is_reference(op2mode) && mode_is_data(op3mode),
1069 ASSERT_AND_RET(mymode == mode_T, "Store node", 0);
1071 target = get_ptr_entity(in[2]);
1072 if (vrfy_entities && target && get_irg_phase_state(current_ir_graph) == phase_high) {
1074 * If lowered code, any Sels that add 0 may be removed, causing
1075 * an direct access to entities of array or compound type.
1076 * Prevent this by checking the phase.
1078 ASSERT_AND_RET( op3mode == get_type_mode(get_entity_type(target)),
1086 op1mode = get_irn_mode(in[1]);
1087 op2mode = get_irn_mode(in[2]);
1089 /* Alloc: BB x M x int_u --> M x X x ref */
1090 op1mode == mode_M &&
1091 mode_is_int(op2mode) &&
1092 !mode_is_signed(op2mode) &&
1095 show_binop_failure(n, "/* Alloc: BB x M x int_u --> M x X x ref */");
1100 op1mode = get_irn_mode(in[1]);
1101 op2mode = get_irn_mode(in[2]);
1103 /* Free: BB x M x ref --> M */
1104 op1mode == mode_M && mode_is_reference(op2mode) &&
1107 show_binop_failure(n, "/* Free: BB x M x ref --> M */");
1112 /* Sync: BB x M^n --> M */
1113 for (i=1; i < get_irn_arity(n); i++) {
1114 ASSERT_AND_RET( get_irn_mode(in[i]) == mode_M, "Sync node", 0 );
1116 ASSERT_AND_RET( mymode == mode_M, "Sync node", 0 );
1120 return vrfy_Proj_proj(n, irg);
1124 op1mode = get_irn_mode(in[1]);
1125 op2mode = get_irn_mode(in[2]);
1127 /* Confirm: BB x T x T --> T */
1128 op1mode == mymode &&
1131 show_binop_failure(n, "/* Confirm: BB x T x T --> T */");
1136 op1mode = get_irn_mode(in[1]);
1137 op2mode = get_irn_mode(in[2]);
1138 op3mode = get_irn_mode(in[3]);
1140 /* Mux: BB x b x numP x numP --> numP */
1141 op1mode == mode_b &&
1142 op2mode == mymode &&
1143 op3mode == mymode &&
1144 mode_is_numP(mymode),
1157 int irn_vrfy(ir_node *n)
1160 #ifdef DEBUG_libfirm
1161 res = irn_vrfy_irg(n, current_ir_graph);
1166 /*-----------------------------------------------------------------*/
1167 /* Verify the whole graph. */
1168 /*-----------------------------------------------------------------*/
1170 /* This *is* used, except gcc doesn't notice that */
1171 static void vrfy_wrap(ir_node *node, void *env)
1175 *res = irn_vrfy(node);
1178 int irg_vrfy(ir_graph *irg)
1181 #ifdef DEBUG_libfirm
1184 rem = current_ir_graph;
1185 current_ir_graph = irg;
1187 assert(get_irg_pinned(irg) == op_pin_state_pinned);
1189 irg_walk_graph(irg, vrfy_wrap, NULL, &res);
1191 current_ir_graph = rem;
1193 if (opt_do_node_verification == NODE_VERIFICATION_REPORT && ! res) {
1194 entity *ent = get_irg_entity(current_ir_graph);
1197 fprintf(stderr, "irg_verify: Verifying graph %s failed\n", get_entity_name(ent));
1199 fprintf(stderr, "irg_verify: Verifying graph %p failed\n", (void *)current_ir_graph);
1206 int irn_vrfy_irg_dump(ir_node *n, ir_graph *irg, const char **bad_string)
1209 node_verification_t old = opt_do_node_verification;
1212 opt_do_node_verification = NODE_VERIFICATION_ERROR_ONLY;
1213 res = irn_vrfy_irg(n, irg);
1214 opt_do_node_verification = old;
1215 *bad_string = bad_msg;
1221 typedef struct _vrfy_bad_env_t {
1226 static void check_bads(ir_node *node, void *env)
1228 vrfy_bad_env_t *venv = env;
1229 int i, arity = get_irn_arity(node);
1231 if (is_Block(node)) {
1232 if ((venv->flags & BAD_CF) == 0) {
1234 /* check for Bad Block predecessor */
1235 for (i = 0; i < arity; ++i) {
1236 ir_node *pred = get_irn_n(node, i);
1239 venv->res |= BAD_CF;
1241 if (opt_do_node_verification == NODE_VERIFICATION_REPORT) {
1242 fprintf(stderr, "irg_vrfy_bads: Block %ld has Bad predecessor\n", get_irn_node_nr(node));
1244 if (opt_do_node_verification == NODE_VERIFICATION_ON) {
1245 assert(0 && "Bad CF detected");
1252 if ((venv->flags & BAD_BLOCK) == 0) {
1254 /* check for Bad Block */
1255 if (is_Bad(get_nodes_block(node))) {
1256 venv->res |= BAD_BLOCK;
1258 if (opt_do_node_verification == NODE_VERIFICATION_REPORT) {
1259 fprintf(stderr, "irg_vrfy_bads: node %ld has Bad Block\n", get_irn_node_nr(node));
1261 if (opt_do_node_verification == NODE_VERIFICATION_ON) {
1262 assert(0 && "Bad CF detected");
1267 if ((venv->flags & TUPLE) == 0) {
1268 if (get_irn_op(node) == op_Tuple) {
1271 if (opt_do_node_verification == NODE_VERIFICATION_REPORT) {
1272 fprintf(stderr, "irg_vrfy_bads: node %ld is a Tuple\n", get_irn_node_nr(node));
1274 if (opt_do_node_verification == NODE_VERIFICATION_ON) {
1275 assert(0 && "Tuple detected");
1280 for (i = 0; i < arity; ++i) {
1281 ir_node *pred = get_irn_n(node, i);
1284 /* check for Phi with Bad inputs */
1285 if (is_Phi(node) && !is_Bad(get_nodes_block(node)) && is_Bad(get_irn_n(get_nodes_block(node), i))) {
1286 if (venv->flags & BAD_CF)
1289 venv->res |= BAD_CF;
1291 if (opt_do_node_verification == NODE_VERIFICATION_REPORT) {
1292 fprintf(stderr, "irg_vrfy_bads: Phi %ld has Bad Input\n", get_irn_node_nr(node));
1294 if (opt_do_node_verification == NODE_VERIFICATION_ON) {
1295 assert(0 && "Bad CF detected");
1300 /* Bad node input */
1301 if ((venv->flags & BAD_DF) == 0) {
1302 venv->res |= BAD_DF;
1304 if (opt_do_node_verification == NODE_VERIFICATION_REPORT) {
1305 fprintf(stderr, "irg_vrfy_bads: node %ld has Bad Input\n", get_irn_node_nr(node));
1307 if (opt_do_node_verification == NODE_VERIFICATION_ON) {
1308 assert(0 && "Bad NON-CF detected");
1317 * verify occurance of bad nodes
1319 int irg_vrfy_bads(ir_graph *irg, int flags)
1326 irg_walk_graph(irg, check_bads, NULL, &env);