sdcc/support/regression/tests/bug-2756.c

   1 /*
   2     bug 2756
   3     A non-connected live-range not caught by the live-range splitter resulted
   4     in an invalid register allocation and an assertion failure in code generation.
   5 */
   6
   7 #include <testfwk.h>
   8
   9 #pragma disable_warning 84
  10 #pragma disable_warning 85
  11
  12 #include <stdio.h>
  13 #include <stdlib.h>
  14 #include <string.h>
  15
  16 #ifdef __SDCC
  17
  18 struct _bstdio_file {int i;};
  19 typedef struct _bstdio_file FILE;
  20
  21 int bfprintf(FILE *_bstream, const char *__fmt, ...)
  22 {
  23         return 0;
  24 }
  25
  26 int bprintf(const char *_bfmt, ...)
  27 {
  28         return 0;
  29 }
  30
  31 FILE *__fopen(const char *_bpath, int _bfd, FILE * _bstream, const char *_bmode)
  32 {
  33         return 0;
  34 }
  35
  36 #define fopen(__file, __mode)         __fopen((__file), -1, (FILE*)0, (__mode))
  37
  38 char *bgetenv(char *__name)
  39 {
  40         return "env";
  41 }
  42
  43 char *bfgets(char *_bs, size_t _bsize, FILE *_bstream)
  44 {
  45         return 0;
  46 }
  47
  48 FILE bstderr[1];
  49
  50 void err(int _beval, const char *_bfmt, ...)
  51 {
  52 }
  53
  54 void errx(int _beval, const char *_bfmt, ...)
  55 {
  56 }
  57
  58 #if !defined( __SDCC_pdk14) && !defined( __SDCC_pdk15) // Lack of memory
  59 char *argv0;
  60 int all = 0;
  61 int wday;
  62 int advance;
  63 char CurLine[64];
  64 char *CurLinep;
  65 #endif
  66
  67 enum {NONE, DAY, WEEK, MONTH} mflag;
  68
  69 #define CALFILE "/.calendar"
  70
  71 int pnmatch(const char *s, const char *p, int unanch)
  72 {
  73         return 0;
  74 }
  75
  76 void usage(void)
  77 {
  78 }
  79
  80 int findmon1(void)
  81 {
  82         return 0;
  83 }
  84
  85 int findmon2(void)
  86 {
  87         return 0;
  88 }
  89
  90 int findmon3(void)
  91 {
  92         return 0;
  93 }
  94
  95 int findday(void)
  96 {
  97         return 0;
  98 }
  99
 100 int findyear(void)
 101 {
 102         return 0;
 103 }
 104
 105 int current(int opt)
 106 {
 107         return 0;
 108 }
 109
 110 int date(int day, int month, int year)
 111 {
 112         return 0;
 113 }
 114
 115 void doall(void)
 116 {
 117 }
 118
 119 int m(int argc, char *argv[])
 120 {
 121 #if !(defined (__SDCC_mcs51) && defined (__SDCC_MODEL_SMALL)) && !defined(__SDCC_pdk14) && !defined(__SDCC_pdk15) // Not enough memory
 122 #if !(defined (__SDCC_mcs51) && (defined (__SDCC_MODEL_LARGE) || defined (__SDCC_MODEL_HUGE))) // build failure
 123         int arg = 1;
 124         char *cp;
 125         char *thisline;
 126         char *matchstr;
 127         char *filename[10];
 128         FILE *fp[10];
 129         int matchdate;
 130         int foundfiles;
 131         int nfiles;
 132         int thismonth, thisday, thisyear;
 133         int thisdate;
 134         char *atsign;
 135
 136         argv0 = argv[0];
 137         mflag = NONE;                           /* Default to no match */
 138
 139         for (arg = 1; arg < argc; arg++)  {     /* Read option string */
 140                 cp = argv[arg];
 141         sw:     switch (*cp) {
 142                         case '-':
 143                                 cp++;
 144                                 goto sw;
 145                         case 'a':
 146                                 all = 1;
 147                                 break;
 148                         case 'f':
 149                                 filename[arg-1] = ++cp;
 150                                 nfiles++;
 151                                 continue;
 152                         case 'd':
 153                                 matchstr = ++cp;
 154                                 mflag = DAY;
 155                                 continue;
 156                         case 'w':
 157                                 matchstr = ++cp;
 158                                 mflag = WEEK;
 159                                 continue;
 160                         case 'm':
 161                                 matchstr = ++cp;
 162                                 mflag = MONTH;
 163                                 continue;
 164                         default:
 165                                 bfprintf(bstderr, "%s: unrecognized option '%c'\n", argv0, *cp);
 166                                 usage();
 167                 }
 168         }
 169         if (all)
 170                 doall();
 171
 172         /*
 173          * Open files.
 174          */
 175         if (nfiles)  {
 176                 for (arg = 0; arg < nfiles; arg++ )  {
 177                         if ((fp[arg] = fopen(filename[arg], "r")) == NULL)
 178                                 bfprintf(bstderr, "cannot open file %s\n", filename[arg]);
 179                         else
 180                                 foundfiles++;
 181                 }
 182                 if (!foundfiles)
 183                         err(1, "cannot open any files specified");
 184         } else {
 185                 char *hp;
 186
 187                 nfiles = 1;
 188                 if ((hp = bgetenv("HOME")) == NULL)
 189                         errx(1, "can't find my way back HOME");
 190                 filename[0] = malloc(strlen(hp) + strlen(CALFILE) + 1);
 191                 if (filename[0] == NULL)
 192                         errx(1, "out of memory");
 193                 strcpy(filename[0], hp);
 194                 strcat(filename[0], CALFILE);
 195                 if ((fp[0] = fopen(filename[0], "r")) == NULL)
 196                         err(1, "cannot open file $HOME/.calendar");
 197         }
 198         /*
 199          * Find match condition from options or current date
 200          */
 201         switch (mflag)  {
 202                 case NONE:
 203                         matchdate = current(0);
 204                         break;
 205                 case DAY:
 206                 case WEEK:
 207                         if (*matchstr == '\0')
 208                                 matchdate = current(0);
 209                         else {
 210                                 strncpy(CurLine, matchstr, sizeof(CurLine));
 211                                 CurLinep = &CurLine[0];
 212                                 if ((thismonth = findmon1()) == -1)
 213                                         errx(1, "invalid month in match date");
 214                                 if ((thisday = findday()) == -1)
 215                                         errx(1, "invalid day in match date");
 216                                 if ((thisyear = findyear()) == -1)
 217                                         thisyear = current(1);
 218                                 matchdate = date(thisday, thismonth, thisyear);
 219                         }
 220                         break;
 221                 case MONTH:
 222                         if (*matchstr == '\0')
 223                                 matchdate = current(2);
 224                         else  {
 225                                 strncpy(CurLine, matchstr, sizeof(CurLine));
 226                                 CurLinep = &CurLine[0];
 227                                 if ((matchdate = findmon2()) == -1)
 228                                         errx(1, "invalid month in match date");
 229                         }
 230                         break;
 231         }
 232         /*
 233          * Read the calendar files, print matched lines.
 234          */
 235         for (arg = 0; arg < nfiles; arg++) {
 236                 if (fp[arg] == NULL)
 237                         continue;
 238                 while ((thisline = bfgets(CurLine,sizeof(CurLine),fp[arg]))!=NULL) {
 239                         CurLinep = &CurLine[0];
 240                         advance = 0;
 241                         if ((atsign = strchr(CurLinep, '@')) != NULL)
 242                                 advance = atoi(atsign + 1);
 243                         if ((thismonth = findmon3()) == -1)
 244                                 thismonth = 0;
 245                         if ((thisday = findday()) == -1)
 246                                 thisday = 0;
 247                         if ((thisyear = findyear()) == -1)
 248                                 thisyear = current(1);
 249                         thisdate = date(thisday, thismonth, thisyear);
 250                         if (thisdate >= matchdate &&
 251                             thisdate <= matchdate + advance)
 252                                 bprintf("%s", thisline);
 253                         else switch (mflag)  {
 254                                 case NONE:
 255                                         if (wday == 6)
 256                                                 if (thisdate == matchdate ||
 257                                                   thisdate == matchdate + 1 ||
 258                                                   thisdate == matchdate + 2 ||
 259                                                   thisdate == matchdate + 3)
 260                                                         bprintf("%s", thisline);
 261                                         if (wday == 7)
 262                                                 if (thisdate == matchdate ||
 263                                                   thisdate == matchdate + 1 ||
 264                                                   thisdate == matchdate + 2)
 265                                                         bprintf("%s", thisline);
 266                                         if (0 <= wday && wday < 6)
 267                                                 if (thisdate == matchdate ||
 268                                                    thisdate == matchdate + 1)
 269                                                         bprintf("%s", thisline);
 270                                         break;
 271                                 case DAY:
 272                                         if (thisdate == matchdate)
 273                                                 bprintf("%s", thisline);
 274                                         break;
 275                                 case WEEK:
 276                                         if (matchdate <= thisdate &&
 277                                                     thisdate <= matchdate+7)
 278                                                 bprintf("%s", thisline);
 279                                         break;
 280                                 case MONTH:
 281                                         if (thismonth == matchdate)
 282                                                 bprintf("%s", thisline);
 283                                         break;
 284                         }
 285                         thisline = NULL;
 286                 }
 287         }
 288 #endif
 289 #endif
 290         return 0;
 291 }
 292
 293 #endif // __SDCC
 294
 295 void testBug(void)
 296 {
 297 }
 298