Added comment
[libfirm] / ir / ir / irvrfy.c
index 29f1c26..a62e6ce 100644 (file)
@@ -14,6 +14,7 @@
 # include <config.h>
 #endif
 
+# include "irprog.h"
 # include "irgraph_t.h"
 # include "irvrfy.h"
 # include "irgwalk.h"
@@ -64,24 +65,6 @@ ir_node **get_irn_in(ir_node *node);
 static node_verification_t opt_do_node_verification = NODE_VERIFICATION_ON;
 static const char *bad_msg;
 
-
-/** Borrowed from interprete.c
-static entity *hunt_for_entity (ir_node *addr, ir_node *load) {
-  ir_op *op = get_irn_op(addr);
-  if (op == op_Sel)
-    return get_Sel_entity(addr);
-  if (op == op_Const) {
-    tarval *tv = get_Const_tarval(addr);
-    assert(tarval_is_entity(tv));
-    return get_tarval_entity(tv);
-  }
-
-  if(get_irn_opcode(load) == iro_Load)
-    return(NULL);
-  assert(0 && "unexpected address expression.");
-  return NULL;
-}
-*/
 /**
  * little helper for NULL modes
  */
@@ -242,7 +225,10 @@ static void show_phi_failure(ir_node *phi, ir_node *pred, int pos)
     get_irn_node_nr(pred), get_mode_name_ex(get_irn_mode(pred)));
 }
 
-INLINE static int
+/**
+ * verify the Proj number
+ */
+static int
 vrfy_Proj_proj(ir_node *p, ir_graph *irg) {
   ir_node *pred;
   ir_mode *mode;
@@ -263,7 +249,7 @@ vrfy_Proj_proj(ir_node *p, ir_graph *irg) {
            (proj == pns_globals        && mode_is_reference(mode)) ||
            (proj == pns_args           && mode == mode_T) ||
            (proj == pns_value_arg_base && mode_is_reference(mode)) ||
-           (proj == pns_value_arg_base && mode == mode_T)      /* FIXME: only one of those */
+           (proj == pns_value_arg_base && mode == mode_T)    /* FIXME: only one of those */
           ),
           "wrong Proj from Start", 0,
       show_proj_failure(p);
@@ -428,7 +414,7 @@ vrfy_Proj_proj(ir_node *p, ir_graph *irg) {
     case iro_Proj:
       {
         type *mt; /* A method type */
-       long nr = get_Proj_proj(pred);
+    long nr = get_Proj_proj(pred);
 
         pred = skip_nop(get_Proj_pred(pred));
         ASSERT_AND_RET((get_irn_mode(pred) == mode_T), "Proj from something not a tuple", 0);
@@ -437,7 +423,7 @@ vrfy_Proj_proj(ir_node *p, ir_graph *irg) {
           case iro_Start:
             mt = get_entity_type(get_irg_ent(irg));
 
-           if (nr == pns_args) {
+        if (nr == pns_args) {
               ASSERT_AND_RET(
                   (proj >= 0 && mode_is_data(mode)),
                   "wrong Proj from Proj from Start", 0);
@@ -452,8 +438,8 @@ vrfy_Proj_proj(ir_node *p, ir_graph *irg) {
                   (mode == get_type_mode(get_method_param_type(mt, proj))),
                   "Mode of Proj from Start doesn't match mode of param type.", 0);
             }
-           else if (nr == pns_value_arg_base) {
-             ASSERT_AND_RET(
+        else if (nr == pns_value_arg_base) {
+          ASSERT_AND_RET(
                   (proj >= 0 && mode_is_reference(mode)),
                   "wrong Proj from Proj from Start", 0
               );
@@ -461,7 +447,7 @@ vrfy_Proj_proj(ir_node *p, ir_graph *irg) {
                 (proj < get_method_n_params(mt)),
                 "More Projs for args than args in type", 0
               );
-           }
+        }
             break;
 
           case iro_Call:
@@ -537,8 +523,8 @@ int irn_vrfy_irg(ir_node *n, ir_graph *irg)
   int opcode, opcode1;
   ir_mode *mymode, *op1mode = NULL, *op2mode, *op3mode;
   int op_is_symmetric = 1;  /*  0: asymmetric
-                                                               1: operands have identical modes
-                                                               2: modes of operands == mode of this node */
+                                1: operands have identical modes
+                                2: modes of operands == mode of this node */
   type *mt;                 /* A method type */
   entity *ent;
 
@@ -552,10 +538,10 @@ int irn_vrfy_irg(ir_node *n, ir_graph *irg)
      * the "right" graph ...
      */
     ASSERT_AND_RET_DBG(
-                                          node_is_in_irgs_storage(irg, n),
-                                          "Node is not stored on proper IR graph!", 0,
-                                          show_node_on_graph(irg, n);
-                                          );
+                       node_is_in_irgs_storage(irg, n),
+                       "Node is not stored on proper IR graph!", 0,
+                       show_node_on_graph(irg, n);
+                       );
   }
 
   opcode = get_irn_opcode(n);
@@ -572,66 +558,65 @@ int irn_vrfy_irg(ir_node *n, ir_graph *irg)
   mymode = get_irn_mode(n);
   in = get_irn_in(n);
 
-  switch (opcode)
-       {
+  switch (opcode) {
 
     case iro_Block:
       for (i = 0; i < get_Block_n_cfgpreds(n); ++i) {
-               ir_node *pred =  get_Block_cfgpred(n, i);
-               ASSERT_AND_RET(
-                                          (is_Bad(pred)     ||
-                                               is_Unknown(pred) ||
-                                               (get_irn_mode(pred) == mode_X)
-                                               ), "Block node", 0);
+        ir_node *pred =  get_Block_cfgpred(n, i);
+        ASSERT_AND_RET(
+                       (is_Bad(pred)     ||
+                        is_Unknown(pred) ||
+                        (get_irn_mode(pred) == mode_X)
+                        ), "Block node", 0);
       }
       /*  End block may only have Return, Raise or fragile ops as preds. */
       if (n == get_irg_end_block(irg))
-               for (i = 0; i < get_Block_n_cfgpreds(n); ++i) {
-                 ir_node *pred =  skip_Proj(get_Block_cfgpred(n, i));
-                 if (is_Proj(pred) || get_irn_op(pred) == op_Tuple)
-                       break;   /*  We can not test properly.  How many tuples are there? */
-                 ASSERT_AND_RET(((get_irn_op(pred) == op_Return) ||
-                                                 is_Bad(pred)                    ||
-                                                 (get_irn_op(pred) == op_Raise)  ||
-                                                 is_fragile_op(pred)               ),
-                                                "End Block node", 0);
-               }
+        for (i = 0; i < get_Block_n_cfgpreds(n); ++i) {
+          ir_node *pred =  skip_Proj(get_Block_cfgpred(n, i));
+          if (is_Proj(pred) || get_irn_op(pred) == op_Tuple)
+            break;   /*  We can not test properly.  How many tuples are there? */
+          ASSERT_AND_RET(((get_irn_op(pred) == op_Return) ||
+                          is_Bad(pred)                    ||
+                          (get_irn_op(pred) == op_Raise)  ||
+                          is_fragile_op(pred)               ),
+                         "End Block node", 0);
+        }
       /*  irg attr must == graph we are in. */
       if (! interprocedural_view) {
-               ASSERT_AND_RET(((get_irn_irg(n) && get_irn_irg(n) == irg)), "Block node has wrong irg attribute", 0);
+        ASSERT_AND_RET(((get_irn_irg(n) && get_irn_irg(n) == irg)), "Block node has wrong irg attribute", 0);
       }
 
       break;
 
     case iro_Start:
       ASSERT_AND_RET(
-                                        /* Start: BB --> X x M x ref x data1 x ... x datan x ref */
-                                        mymode == mode_T, "Start node", 0
-                                        );
+                     /* Start: BB --> X x M x ref x data1 x ... x datan x ref */
+                     mymode == mode_T, "Start node", 0
+                     );
       break;
 
     case iro_Jmp:
       ASSERT_AND_RET(
-                                        /* Jmp: BB --> X */
-                                        mymode == mode_X, "Jmp node", 0
-                                        );
+                     /* Jmp: BB --> X */
+                     mymode == mode_X, "Jmp node", 0
+                     );
       break;
 
     case iro_Break:
       ASSERT_AND_RET(
-                                        /* Jmp: BB --> X */
-                                        mymode == mode_X, "Jmp node", 0
-                                        );
+                     /* Jmp: BB --> X */
+                     mymode == mode_X, "Jmp node", 0
+                     );
       break;
 
     case iro_Cond:
       op1mode = get_irn_mode(in[1]);
       ASSERT_AND_RET(
-                                        /* Cond: BB x b --> X x X */
-                                        (op1mode == mode_b ||
-                                         /* Cond: BB x int --> X^n */
-                                         mode_is_int(op1mode) ),  "Cond node", 0
-                                        );
+                     /* Cond: BB x b --> X x X */
+                     (op1mode == mode_b ||
+                      /* Cond: BB x int --> X^n */
+                      mode_is_int(op1mode) ),  "Cond node", 0
+                     );
       ASSERT_AND_RET(mymode == mode_T, "Cond mode is not a tuple", 0);
       break;
 
@@ -650,22 +635,22 @@ int irn_vrfy_irg(ir_node *n, ir_graph *irg)
         "Number of results for Return doesn't match number of results in type.", 0,
       show_return_nres(irg, n, mt););
       for (i = 0; i < get_Return_n_ress(n); i++) {
-       type *res_type = get_method_res_type(mt, i);
+    type *res_type = get_method_res_type(mt, i);
 
         if (is_atomic_type(res_type)) {
-         ASSERT_AND_RET_DBG(
-           get_irn_mode(get_Return_res(n, i)) == get_type_mode(res_type),
-           "Mode of result for Return doesn't match mode of result type.", 0,
-           show_return_modes(irg, n, mt, i);
-         );
-       }
-       else {
-         ASSERT_AND_RET_DBG(
-           mode_is_reference(get_irn_mode(get_Return_res(n, i))),
-           "Mode of result for Return doesn't match mode of result type.", 0,
-           show_return_modes(irg, n, mt, i);
-         );
-       }
+      ASSERT_AND_RET_DBG(
+        get_irn_mode(get_Return_res(n, i)) == get_type_mode(res_type),
+        "Mode of result for Return doesn't match mode of result type.", 0,
+        show_return_modes(irg, n, mt, i);
+      );
+    }
+    else {
+      ASSERT_AND_RET_DBG(
+        mode_is_reference(get_irn_mode(get_Return_res(n, i))),
+        "Mode of result for Return doesn't match mode of result type.", 0,
+        show_return_modes(irg, n, mt, i);
+      );
+    }
       }
       break;
 
@@ -673,42 +658,47 @@ int irn_vrfy_irg(ir_node *n, ir_graph *irg)
       op1mode = get_irn_mode(in[1]);
       op2mode = get_irn_mode(in[2]);
       ASSERT_AND_RET(
-                                        /* Sel: BB x M x ref --> X x M */
-                                        op1mode == mode_M && mode_is_reference(op2mode) &&
-                                        mymode == mode_T, "Raise node", 0
-                                        );
+                     /* Sel: BB x M x ref --> X x M */
+                     op1mode == mode_M && mode_is_reference(op2mode) &&
+                     mymode == mode_T, "Raise node", 0
+                     );
       break;
 
-    case iro_Const:
+  case iro_Const: {
+      tarval *tv = get_Const_tarval(n);
+      if (tarval_is_entity(tv))
+         assert((get_irn_irg(n) == get_const_code_irg() ||
+                get_entity_peculiarity(tarval_to_entity(tv)) != peculiarity_description) &&
+                "descriptions have no address!");
       ASSERT_AND_RET(
-                                        /* Const: BB --> data */
-                                        (mode_is_data (mymode) ||
-                                         mymode == mode_b)      /* we want boolean constants for static evaluation */
-                                        ,"Const node", 0        /* of Cmp. */
-                                        );
-      break;
+                     /* Const: BB --> data */
+                     (mode_is_data (mymode) ||
+                      mymode == mode_b)      /* we want boolean constants for static evaluation */
+                     ,"Const node", 0        /* of Cmp. */
+                     );
+     } break;
 
     case iro_SymConst:
       ASSERT_AND_RET(
-                                        /* SymConst: BB --> int*/
-                                        (mode_is_int(mymode) ||
-                                         /* SymConst: BB --> ref */
-                                         mode_is_reference(mymode))
-                                        ,"SymConst node", 0);
+                     /* SymConst: BB --> int*/
+                     (mode_is_int(mymode) ||
+                      /* SymConst: BB --> ref */
+                      mode_is_reference(mymode))
+                     ,"SymConst node", 0);
       break;
 
     case iro_Sel:
       op1mode = get_irn_mode(in[1]);
       op2mode = get_irn_mode(in[2]);
       ASSERT_AND_RET_DBG(
-                                                /* Sel: BB x M x ref x int^n --> ref */
-                                                (op1mode == mode_M && op2mode == mymode && mode_is_reference(mymode)),
-                                                "Sel node", 0, show_node_failure(n)
-                                                );
+                         /* Sel: BB x M x ref x int^n --> ref */
+                         (op1mode == mode_M && op2mode == mymode && mode_is_reference(mymode)),
+                         "Sel node", 0, show_node_failure(n)
+                         );
       for (i=3; i < get_irn_arity(n); i++)
-               {
-                 ASSERT_AND_RET_DBG(mode_is_int(get_irn_mode(in[i])), "Sel node", 0, show_node_failure(n));
-               }
+        {
+          ASSERT_AND_RET_DBG(mode_is_int(get_irn_mode(in[i])), "Sel node", 0, show_node_failure(n));
+        }
       ent = get_Sel_entity(n);
       ASSERT_AND_RET_DBG(ent, "Sel node with empty entity", 0, show_node_failure(n));
       break;
@@ -733,38 +723,38 @@ int irn_vrfy_irg(ir_node *n, ir_graph *irg)
 
       if (get_method_variadicity(mt) == variadicity_variadic) {
         ASSERT_AND_RET_DBG(
-                                                  get_Call_n_params(n) >= get_method_n_params(mt),
-                                                  "Number of args for Call doesn't match number of args in variadic type.",
-                                                  0,
-                                                  fprintf(stderr, "Call has %d params, method %s type %d\n",
-                                                                  get_Call_n_params(n), get_type_name(mt), get_method_n_params(mt));
-                                                  );
+                           get_Call_n_params(n) >= get_method_n_params(mt),
+                           "Number of args for Call doesn't match number of args in variadic type.",
+                           0,
+                           fprintf(stderr, "Call has %d params, method %s type %d\n",
+                                   get_Call_n_params(n), get_type_name(mt), get_method_n_params(mt));
+                           );
       }
       else {
         ASSERT_AND_RET(
-                                          get_Call_n_params(n) == get_method_n_params(mt),
-                                          "Number of args for Call doesn't match number of args in non variadic type.",
-                                          0);
+                       get_Call_n_params(n) == get_method_n_params(mt),
+                       "Number of args for Call doesn't match number of args in non variadic type.",
+                       0);
       }
 
       for (i = 0; i < get_method_n_params(mt); i++) {
-       type *t = get_method_param_type(mt, i);
-
-       if (is_atomic_type(t)) {
-         ASSERT_AND_RET_DBG(
-             get_irn_mode(get_Call_param(n, i)) == get_type_mode(t),
-             "Mode of arg for Call doesn't match mode of arg type.", 0,
-         show_call_param(n, mt);
-         );
-       }
-       else {
-         /* call with a compound type, mode must be reference */
-         ASSERT_AND_RET_DBG(
-             mode_is_reference(get_irn_mode(get_Call_param(n, i))),
-             "Mode of arg for Call doesn't match mode of arg type.", 0,
-         show_call_param(n, mt);
-         );
-       }
+    type *t = get_method_param_type(mt, i);
+
+    if (is_atomic_type(t)) {
+      ASSERT_AND_RET_DBG(
+          get_irn_mode(get_Call_param(n, i)) == get_type_mode(t),
+          "Mode of arg for Call doesn't match mode of arg type.", 0,
+      show_call_param(n, mt);
+      );
+    }
+    else {
+      /* call with a compound type, mode must be reference */
+      ASSERT_AND_RET_DBG(
+          mode_is_reference(get_irn_mode(get_Call_param(n, i))),
+          "Mode of arg for Call doesn't match mode of arg type.", 0,
+      show_call_param(n, mt);
+      );
+    }
       }
       break;
 
@@ -772,19 +762,19 @@ int irn_vrfy_irg(ir_node *n, ir_graph *irg)
       op1mode = get_irn_mode(in[1]);
       op2mode = get_irn_mode(in[2]);
       ASSERT_AND_RET_DBG(
-                                                (
-                                                 /* common Add: BB x numP x numP --> numP */
-                                                 (op1mode == mymode && op2mode == op1mode && mode_is_numP(mymode)) ||
-                                                 /* Pointer Add: BB x ref x int --> ref */
-                                                 (mode_is_reference(op1mode) && mode_is_int(op2mode) && op1mode == mymode) ||
-                                                 /* Pointer Add: BB x int x ref --> ref */
-                                                 (mode_is_int(op1mode) && op2mode == mymode && mode_is_reference(mymode))
-                                                 ),
-                                                "Add node", 0,
-                                                show_binop_failure(n, "/* common Add: BB x numP x numP --> numP */ |\n"
-                                                                                       "/* Pointer Add: BB x ref x int --> ref */   |\n"
-                                                                                       "/* Pointer Add: BB x int x ref --> ref */");
-                                                );
+                         (
+                          /* common Add: BB x numP x numP --> numP */
+                          (op1mode == mymode && op2mode == op1mode && mode_is_numP(mymode)) ||
+                          /* Pointer Add: BB x ref x int --> ref */
+                          (mode_is_reference(op1mode) && mode_is_int(op2mode) && op1mode == mymode) ||
+                          /* Pointer Add: BB x int x ref --> ref */
+                          (mode_is_int(op1mode) && op2mode == mymode && mode_is_reference(mymode))
+                          ),
+                         "Add node", 0,
+                         show_binop_failure(n, "/* common Add: BB x numP x numP --> numP */ |\n"
+                                            "/* Pointer Add: BB x ref x int --> ref */   |\n"
+                                            "/* Pointer Add: BB x int x ref --> ref */");
+                         );
       if (mode_is_reference(op1mode) != mode_is_reference(op2mode)) {
         /* BB x ref x int --> ref or BB x int x ref --> ref */
         op_is_symmetric = 0;
@@ -798,20 +788,20 @@ int irn_vrfy_irg(ir_node *n, ir_graph *irg)
       op1mode = get_irn_mode(in[1]);
       op2mode = get_irn_mode(in[2]);
       ASSERT_AND_RET_DBG(
-                                                /* common Sub: BB x numP x numP --> numP */
-                                                ((mymode ==op1mode && mymode == op2mode && mode_is_numP(op1mode)) ||
-                                                 /* Pointer Sub: BB x ref x int --> ref */
-                                                 (op1mode == mymode && mode_is_int(op2mode) && mode_is_reference(mymode)) ||
-                                                 /* Pointer Sub: BB x int x ref --> ref */
-                                                 (mode_is_int(op1mode) && op2mode == mymode && mode_is_reference(mymode)) ||
-                                                 /* Pointer Sub: BB x ref x ref --> int */
-                                                 (op1mode == op2mode && mode_is_reference(op2mode) && mode_is_int(mymode))),
-                                                "Sub node", 0,
-                                                show_binop_failure(n, "/* common Sub: BB x numP x numP --> numP */ |\n"
-                                                                                       "/* Pointer Sub: BB x ref x int --> ref */   |\n"
-                                                                                       "/* Pointer Sub: BB x int x ref --> ref */   |\n"
-                                                                                       "/* Pointer Sub: BB x ref x ref --> int */" );
-                                                );
+                         /* common Sub: BB x numP x numP --> numP */
+                         ((mymode ==op1mode && mymode == op2mode && mode_is_numP(op1mode)) ||
+                          /* Pointer Sub: BB x ref x int --> ref */
+                          (op1mode == mymode && mode_is_int(op2mode) && mode_is_reference(mymode)) ||
+                          /* Pointer Sub: BB x int x ref --> ref */
+                          (mode_is_int(op1mode) && op2mode == mymode && mode_is_reference(mymode)) ||
+                          /* Pointer Sub: BB x ref x ref --> int */
+                          (op1mode == op2mode && mode_is_reference(op2mode) && mode_is_int(mymode))),
+                         "Sub node", 0,
+                         show_binop_failure(n, "/* common Sub: BB x numP x numP --> numP */ |\n"
+                                            "/* Pointer Sub: BB x ref x int --> ref */   |\n"
+                                            "/* Pointer Sub: BB x int x ref --> ref */   |\n"
+                                            "/* Pointer Sub: BB x ref x ref --> int */" );
+                         );
       if (mode_is_reference(op1mode) != mode_is_reference(op2mode)) {
         op_is_symmetric = 0;
       } else {
@@ -822,10 +812,10 @@ int irn_vrfy_irg(ir_node *n, ir_graph *irg)
     case iro_Minus:
       op1mode = get_irn_mode(in[1]);
       ASSERT_AND_RET_DBG(
-                                                /* Minus: BB x float --> float */
-                                                op1mode == mymode && get_mode_sort(op1mode) == irms_float_number, "Minus node", 0,
-                                                show_unop_failure(n , "/* Minus: BB x float --> float */");
-                                                );
+                         /* Minus: BB x float --> float */
+                         op1mode == mymode && get_mode_sort(op1mode) == irms_float_number, "Minus node", 0,
+                         show_unop_failure(n , "/* Minus: BB x float --> float */");
+                         );
       op_is_symmetric = 2;
       break;
 
@@ -833,12 +823,14 @@ int irn_vrfy_irg(ir_node *n, ir_graph *irg)
       op1mode = get_irn_mode(in[1]);
       op2mode = get_irn_mode(in[2]);
       ASSERT_AND_RET_DBG(
-                                                /* Mul: BB x int1 x int1 --> int2 */
-                                                ((mode_is_int(op1mode)   && op2mode == op1mode && mode_is_int(mymode)) ||
-                                                 (mode_is_float(op1mode) && op2mode == op1mode && mymode == op1mode)),
-                                                "Mul node",0,
-                                                show_binop_failure(n, "/* Mul: BB x int1 x int1 --> int2 */");
-                                                );
+                         /* Mul: BB x int1 x int1 --> int2 */
+                         ((mode_is_int(op1mode)   && op2mode == op1mode && mode_is_int(mymode)) ||
+                         /* Mul: BB x float x float --> float */
+                          (mode_is_float(op1mode) && op2mode == op1mode && mymode == op1mode)),
+                         "Mul node",0,
+                         show_binop_failure(n, "/* Mul: BB x int1 x int1 --> int2 */ |\n"
+                                               "/* Mul: BB x float x float --> float */");
+                         );
       op_is_symmetric = 2;
       break;
 
@@ -847,13 +839,13 @@ int irn_vrfy_irg(ir_node *n, ir_graph *irg)
       op2mode = get_irn_mode(in[2]);
       op3mode = get_irn_mode(in[3]);
       ASSERT_AND_RET_DBG(
-                                                /* Quot: BB x M x float x float --> M x X x float */
-                                                op1mode == mode_M && op2mode == op3mode &&
-                                                get_mode_sort(op2mode) == irms_float_number &&
-                                                mymode == mode_T,
-                                                "Quot node",0,
-                                                show_binop_failure(n, "/* Quot: BB x M x float x float --> M x X x float */");
-                                                );
+                         /* Quot: BB x M x float x float --> M x X x float */
+                         op1mode == mode_M && op2mode == op3mode &&
+                         get_mode_sort(op2mode) == irms_float_number &&
+                         mymode == mode_T,
+                         "Quot node",0,
+                         show_binop_failure(n, "/* Quot: BB x M x float x float --> M x X x float */");
+                         );
       op_is_symmetric = 2;
       break;
 
@@ -862,13 +854,13 @@ int irn_vrfy_irg(ir_node *n, ir_graph *irg)
       op2mode = get_irn_mode(in[2]);
       op3mode = get_irn_mode(in[3]);
       ASSERT_AND_RET(
-                                        /* DivMod: BB x M x int x int --> M x X x int x int */
-                                        op1mode == mode_M &&
-                                        mode_is_int(op2mode) &&
-                                        op3mode == op2mode &&
-                                        mymode == mode_T,
-                                        "DivMod node", 0
-                                        );
+                     /* DivMod: BB x M x int x int --> M x X x int x int */
+                     op1mode == mode_M &&
+                     mode_is_int(op2mode) &&
+                     op3mode == op2mode &&
+                     mymode == mode_T,
+                     "DivMod node", 0
+                     );
       op_is_symmetric = 1;
       break;
 
@@ -878,25 +870,25 @@ int irn_vrfy_irg(ir_node *n, ir_graph *irg)
       op2mode = get_irn_mode(in[2]);
       op3mode = get_irn_mode(in[3]);
       ASSERT_AND_RET(
-                                        /* Div or Mod: BB x M x int x int --> M x X x int */
-                                        op1mode == mode_M &&
-                                        op2mode == op3mode &&
-                                        mode_is_int(op2mode) &&
-                                        mymode == mode_T,
-                                        "Div or Mod node", 0
-                                        );
+                     /* Div or Mod: BB x M x int x int --> M x X x int */
+                     op1mode == mode_M &&
+                     op2mode == op3mode &&
+                     mode_is_int(op2mode) &&
+                     mymode == mode_T,
+                     "Div or Mod node", 0
+                     );
       op_is_symmetric = 1;
       break;
 
     case iro_Abs:
       op1mode = get_irn_mode(in[1]);
       ASSERT_AND_RET_DBG(
-                                                /* Abs: BB x num --> num */
-                                                op1mode == mymode &&
-                                                mode_is_num (op1mode),
-                                                "Abs node", 0,
-                                                show_unop_failure(n, "/* Abs: BB x num --> num */");
-                                                );
+                         /* Abs: BB x num --> num */
+                         op1mode == mymode &&
+                         mode_is_num (op1mode),
+                         "Abs node", 0,
+                         show_unop_failure(n, "/* Abs: BB x num --> num */");
+                         );
       op_is_symmetric = 2;
       break;
 
@@ -906,25 +898,25 @@ int irn_vrfy_irg(ir_node *n, ir_graph *irg)
       op1mode = get_irn_mode(in[1]);
       op2mode = get_irn_mode(in[2]);
       ASSERT_AND_RET_DBG(
-                                                /* And or Or or Eor: BB x int x int --> int */
-                                                mode_is_int(mymode) &&
-                                                op2mode == op1mode &&
-                                                mymode == op2mode,
-                                                "And, Or or Eor node", 0,
-                                                show_binop_failure(n, "/* And or Or or Eor: BB x int x int --> int */");
-                                                );
+                         /* And or Or or Eor: BB x int x int --> int */
+                         mode_is_int(mymode) &&
+                         op2mode == op1mode &&
+                         mymode == op2mode,
+                         "And, Or or Eor node", 0,
+                         show_binop_failure(n, "/* And or Or or Eor: BB x int x int --> int */");
+                         );
       op_is_symmetric = 2;
       break;
 
     case iro_Not:
       op1mode = get_irn_mode(in[1]);
       ASSERT_AND_RET_DBG(
-                                                /* Not: BB x int --> int */
-                                                mode_is_int(mymode) &&
-                                                mymode == op1mode,
-                                                "Not node", 0,
-                                                show_unop_failure(n, "/* Not: BB x int --> int */");
-                                                );
+                         /* Not: BB x int --> int */
+                         mode_is_int(mymode) &&
+                         mymode == op1mode,
+                         "Not node", 0,
+                         show_unop_failure(n, "/* Not: BB x int --> int */");
+                         );
       op_is_symmetric = 2;
       break;
 
@@ -933,13 +925,13 @@ int irn_vrfy_irg(ir_node *n, ir_graph *irg)
       op1mode = get_irn_mode(in[1]);
       op2mode = get_irn_mode(in[2]);
       ASSERT_AND_RET_DBG(
-                                                /* Cmp: BB x datab x datab --> b16 */
-                                                mode_is_data (op1mode) &&
-                                                op2mode == op1mode &&
-                                                mymode == mode_T,
-                                                "Cmp node", 0,
-                                                show_binop_failure(n, "/* Cmp: BB x datab x datab --> b16 */");
-                                                );
+                         /* Cmp: BB x datab x datab --> b16 */
+                         mode_is_data (op1mode) &&
+                         op2mode == op1mode &&
+                         mymode == mode_T,
+                         "Cmp node", 0,
+                         show_binop_failure(n, "/* Cmp: BB x datab x datab --> b16 */");
+                         );
       break;
 
     case iro_Shl:
@@ -948,47 +940,47 @@ int irn_vrfy_irg(ir_node *n, ir_graph *irg)
       op1mode = get_irn_mode(in[1]);
       op2mode = get_irn_mode(in[2]);
       ASSERT_AND_RET_DBG(
-                                                /* Shl, Shr or Shrs: BB x int x int_u --> int */
-                                                mode_is_int(op1mode) &&
-                                                mode_is_int(op2mode) &&
-                                                !mode_is_signed(op2mode) &&
-                                                mymode == op1mode,
-                                                "Shl, Shr, Shr or Rot node", 0,
-                                                show_binop_failure(n, "/* Shl, Shr or Shrs: BB x int x int_u --> int */");
-                                                );
+                         /* Shl, Shr or Shrs: BB x int x int_u --> int */
+                         mode_is_int(op1mode) &&
+                         mode_is_int(op2mode) &&
+                         !mode_is_signed(op2mode) &&
+                         mymode == op1mode,
+                         "Shl, Shr, Shr or Rot node", 0,
+                         show_binop_failure(n, "/* Shl, Shr or Shrs: BB x int x int_u --> int */");
+                         );
       break;
 
     case iro_Rot:
       op1mode = get_irn_mode(in[1]);
       op2mode = get_irn_mode(in[2]);
       ASSERT_AND_RET_DBG(
-                                                /* Rot: BB x int x int --> int */
-                                                mode_is_int(op1mode) &&
-                                                mode_is_int(op2mode) &&
-                                                mymode == op1mode,
-                                                "Rot node", 0,
-                                                show_binop_failure(n, "/* Rot: BB x int x int --> int */");
-                                                );
+                         /* Rot: BB x int x int --> int */
+                         mode_is_int(op1mode) &&
+                         mode_is_int(op2mode) &&
+                         mymode == op1mode,
+                         "Rot node", 0,
+                         show_binop_failure(n, "/* Rot: BB x int x int --> int */");
+                         );
       break;
 
     case iro_Conv:
       op1mode = get_irn_mode(in[1]);
       ASSERT_AND_RET_DBG(
-                                                /* Conv: BB x datab1 --> datab2 */
-                                                mode_is_datab(op1mode) && mode_is_data(mymode),
-                                                "Conv node", 0,
-                                                show_unop_failure(n, "/* Conv: BB x datab1 --> datab2 */");
-                                                );
+                         /* Conv: BB x datab1 --> datab2 */
+                         mode_is_datab(op1mode) && mode_is_data(mymode),
+                         "Conv node", 0,
+                         show_unop_failure(n, "/* Conv: BB x datab1 --> datab2 */");
+                         );
       break;
 
     case iro_Cast:
       op1mode = get_irn_mode(in[1]);
       ASSERT_AND_RET_DBG(
-                                                /* Conv: BB x datab1 --> datab2 */
-                                                mode_is_data(op1mode) && op1mode == mymode,
-                                                "Cast node", 0,
-                                                show_unop_failure(n, "/* Conv: BB x datab1 --> datab2 */");
-                                                );
+                         /* Conv: BB x datab1 --> datab2 */
+                         mode_is_data(op1mode) && op1mode == mymode,
+                         "Cast node", 0,
+                         show_unop_failure(n, "/* Conv: BB x datab1 --> datab2 */");
+                         );
       break;
 
     case iro_Phi:
@@ -996,10 +988,10 @@ int irn_vrfy_irg(ir_node *n, ir_graph *irg)
       for (i = 1; i < get_irn_arity(n); i++) {
         if (!is_Bad(in[i]) && (get_irn_op(in[i]) != op_Unknown))
           ASSERT_AND_RET_DBG(
-                                                        get_irn_mode(in[i]) == mymode,
-                                                        "Phi node", 0,
-                                                        show_phi_failure(n, in[i], i);
-                                                        );
+                             get_irn_mode(in[i]) == mymode,
+                             "Phi node", 0,
+                             show_phi_failure(n, in[i], i);
+                             );
       };
       ASSERT_AND_RET( mode_is_dataM(mymode), "Phi node", 0 );
       break;
@@ -1008,26 +1000,26 @@ int irn_vrfy_irg(ir_node *n, ir_graph *irg)
       op1mode = get_irn_mode(in[1]);
       op2mode = get_irn_mode(in[2]);
       ASSERT_AND_RET(
-                                        /* Load: BB x M x ref --> M x X x data */
-                                        op1mode == mode_M && mode_is_reference(op2mode),
-                                        "Load node", 0
-                                        );
+                     /* Load: BB x M x ref --> M x X x data */
+                     op1mode == mode_M && mode_is_reference(op2mode),
+                     "Load node", 0
+                     );
       ASSERT_AND_RET( mymode == mode_T, "Load node", 0 );
 
-         /*
-          * jack's gen_add_firm_code:simpleSel seems to build Load (Load
-          * (Proj (Proj))) sometimes ...
+      /*
+       * jack's gen_add_firm_code:simpleSel seems to build Load (Load
+       * (Proj (Proj))) sometimes ...
 
-          * interprete.c:ai_eval seems to assume that this happens, too
+       * interprete.c:ai_eval seems to assume that this happens, too
 
-          * obset.c:get_abstval_any can't deal with this if the load has
-          * mode_T
-          *
-         {
-               entity *ent = hunt_for_entity (get_Load_ptr (n), n);
-               assert ((NULL != ent) || (mymode != mode_T));
-         }
-         */
+       * obset.c:get_abstval_any can't deal with this if the load has
+       * mode_T
+       *
+      {
+        entity *ent = hunt_for_entity (get_Load_ptr (n), n);
+        assert ((NULL != ent) || (mymode != mode_T));
+      }
+      */
 
       break;
 
@@ -1036,10 +1028,10 @@ int irn_vrfy_irg(ir_node *n, ir_graph *irg)
       op2mode = get_irn_mode(in[2]);
       op3mode = get_irn_mode(in[3]);
       ASSERT_AND_RET(
-                                        /* Load: BB x M x ref data --> M x X */
-                                        op1mode == mode_M && mode_is_reference(op2mode) && mode_is_data(op3mode),
-                                        "Store node", 0
-                                        );
+                     /* Load: BB x M x ref data --> M x X */
+                     op1mode == mode_M && mode_is_reference(op2mode) && mode_is_data(op3mode),
+                     "Store node", 0
+                     );
       ASSERT_AND_RET(mymode == mode_T, "Store node", 0);
       break;
 
@@ -1047,26 +1039,26 @@ int irn_vrfy_irg(ir_node *n, ir_graph *irg)
       op1mode = get_irn_mode(in[1]);
       op2mode = get_irn_mode(in[2]);
       ASSERT_AND_RET_DBG(
-                                                /* Alloc: BB x M x int_u --> M x X x ref */
-                                                op1mode == mode_M &&
-                                                mode_is_int(op2mode) &&
-                                                !mode_is_signed(op2mode) &&
-                                                mymode == mode_T,
-                                                "Alloc node", 0,
-                                                show_binop_failure(n, "/* Alloc: BB x M x int_u --> M x X x ref */");
-                                                );
+                         /* Alloc: BB x M x int_u --> M x X x ref */
+                         op1mode == mode_M &&
+                         mode_is_int(op2mode) &&
+                         !mode_is_signed(op2mode) &&
+                         mymode == mode_T,
+                         "Alloc node", 0,
+                         show_binop_failure(n, "/* Alloc: BB x M x int_u --> M x X x ref */");
+                         );
       break;
 
     case iro_Free:
       op1mode = get_irn_mode(in[1]);
       op2mode = get_irn_mode(in[2]);
       ASSERT_AND_RET_DBG(
-                                                /* Free: BB x M x ref --> M */
-                                                op1mode == mode_M && mode_is_reference(op2mode) &&
-                                                mymode == mode_M,
-                                                "Free node", 0,
-                                                show_binop_failure(n, "/* Free: BB x M x ref --> M */");
-                                                );
+                         /* Free: BB x M x ref --> M */
+                         op1mode == mode_M && mode_is_reference(op2mode) &&
+                         mymode == mode_M,
+                         "Free node", 0,
+                         show_binop_failure(n, "/* Free: BB x M x ref --> M */");
+                         );
       break;
 
     case iro_Sync:
@@ -1085,17 +1077,17 @@ int irn_vrfy_irg(ir_node *n, ir_graph *irg)
       op1mode = get_irn_mode(in[1]);
       op2mode = get_irn_mode(in[2]);
       ASSERT_AND_RET_DBG(
-                                                /* Confirm: BB x T x T --> T */
-                                                op1mode == mymode &&
-                                                op2mode == mymode,
-                                                "Confirm node", 0,
-                                                show_binop_failure(n, "/* Confirm: BB x T x T --> T */");
-                                                );
+                         /* Confirm: BB x T x T --> T */
+                         op1mode == mymode &&
+                         op2mode == mymode,
+                         "Confirm node", 0,
+                         show_binop_failure(n, "/* Confirm: BB x T x T --> T */");
+                         );
       break;
 
     default:
       break;
-       }
+    }
 
   /* All went ok */
   return 1;
@@ -1110,9 +1102,9 @@ int irn_vrfy(ir_node *n)
   return res;
 }
 
-/*******************************************************************/
+/*-----------------------------------------------------------------*/
 /* Verify the whole graph.                                         */
-/*******************************************************************/
+/*-----------------------------------------------------------------*/
 
 /* This *is* used, except gcc doesn't notice that */
 static void vrfy_wrap(ir_node *node, void *env)