gcc/testsuite/gcc.dg/tree-ssa/split-path-7.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fsplit-paths -fno-tree-cselim -fdump-tree-split-paths-details -w" } */
   3
   4
   5 struct _reent
   6 {
   7 };
   8 typedef unsigned char ichar_t;
   9 struct dent
  10 {
  11   char *word;
  12 };
  13 struct flagent
  14 {
  15   ichar_t *strip;
  16   ichar_t *affix;
  17   short stripl;
  18   short affl;
  19 };
  20 union ptr_union
  21 {
  22   struct flagptr *fp;
  23   struct flagent *ent;
  24 };
  25 struct flagptr
  26 {
  27   union ptr_union pu;
  28   int numents;
  29 };
  30 struct hashheader
  31 {
  32 };
  33 extern struct dent *hashtbl;
  34 extern char *hashstrings;
  35 extern int hashsize;
  36 extern int nodictflag;
  37 extern int numsflags;
  38 extern int numpflags;
  39 extern struct flagent *pflaglist;
  40 extern struct flagent *sflaglist;
  41 int
  42 linit ()
  43 {
  44   register int i;
  45   register struct dent *dp;
  46   struct flagent *entry;
  47   struct flagptr *ind;
  48   int viazero;
  49   register ichar_t *cp;
  50   if (!nodictflag)
  51     {
  52       for (i = hashsize, dp = hashtbl; --i >= 0; dp++)
  53         {
  54           if (dp->word == (char *) -1)
  55             dp->word = ((void *) 0);
  56           else
  57             dp->word = &hashstrings[(int) (dp->word)];
  58         }
  59     }
  60   for (i = numsflags + numpflags, entry = sflaglist; --i >= 0; entry++)
  61     {
  62       if (entry->stripl)
  63         entry->strip = (ichar_t *) & hashstrings[(int) entry->strip];
  64       else
  65         entry->affix = ((void *) 0);
  66     }
  67   for (i = numsflags, entry = sflaglist; i > 0; i--, entry++)
  68     {
  69       if (entry->affl == 0)
  70         {
  71           if (ind->pu.fp == ((void *) 0))
  72             {
  73             }
  74         }
  75     }
  76   for (i = numpflags, entry = pflaglist; i > 0; i--, entry++)
  77     {
  78       if (entry->affl == 0)
  79         {
  80           while (ind->numents == 0 && ind->pu.fp != ((void *) 0))
  81             {
  82               if (*cp == 0)
  83                 {
  84                 }
  85             }
  86         }
  87       if (!viazero && ind->numents >= 4
  88           && strcmp ((char *) (entry->affix),
  89                      (char *) (ind->pu.ent->affix)) != 0)
  90         {
  91         }
  92     }
  93 }
  94 /* { dg-final { scan-tree-dump-times "Duplicating join block" 0 "split-paths" } } */