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111
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1 /* PR target/27531 */
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2 /* This test case stressed the register allocator into reloading a LABEL_REF
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3 on sparc, but didn't add a REG_LABEL note, ultimately causing the assembly
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4 output to reference a label that had been eliminated. */
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5 /* { dg-do link } */
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6 /* { dg-options "-O2" } */
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7 /* { dg-skip-if "requires io" { freestanding } } */
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8
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9 typedef struct _IO_FILE FILE;
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10 char const *RCSname;
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11 void *Locks;
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12 void * Head;
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13 struct Revpairs{
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14 struct Revpairs * rnext;
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15 };
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16 extern char *strchr(const char *s, int c);
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17 extern int fprintf(FILE *, const char *format, ...);
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18 static void getrevpairs (char*);
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19 static int branchflag;
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20 static struct Revpairs *revlist, *Revlst;
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21
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22 extern int warn(const char *msg, char *argv);
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23 extern int error(const char *msg, int c, char *argv);
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24 extern int recentdate(void *foo, void *bar);
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25
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26 char *t;
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27 int main (int argc, char **argv)
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28 {
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29 FILE *out;
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30 char *a, **newargv;
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31 void *currdate;
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32 int descflag, selectflag;
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33 int onlylockflag;
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34 int onlyRCSflag;
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35 int shownames;
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36 descflag = selectflag = shownames = 1;
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37 onlylockflag = onlyRCSflag = 0;
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38 while (a = *++argv, 0<--argc)
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39 {
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40 switch (*a++)
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41 {
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42 case 'L':
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43 onlylockflag = 1;
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44 case 'N':
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45 shownames = 0;
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46 case 'R':
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47 t = a;
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48 case 'b':
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49 branchflag = 1;
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50 case 'r':
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51 getrevpairs(a);
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52 }
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53 if (onlylockflag && !Locks)
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54 fprintf(out, "%s\n", RCSname);
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55 if (shownames)
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56 while( currdate)
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57 recentdate(Head, currdate);
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58 }
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59 }
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60 void getrevpairs(char *argv)
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61 {
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62 char c;
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63 struct Revpairs * nextrevpair;
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64 int separator;
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65 if (strchr(argv,':'))
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66 separator = ':';
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67 else
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68 {
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69 if (strchr(argv,'-') )
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70 warn("`-' is obsolete in `-r%s'; use `:' instead", argv);
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71 separator = '-';
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72 }
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73 for (;;)
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74 {
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75 nextrevpair->rnext = revlist;
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76 for (;; c = *++argv)
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77 {
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78 switch (c)
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79 {
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80 default:
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81 continue;
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82 case ' ':
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83 case '\t':
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84 case '\n':
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85 break;
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86 case ':':
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87 case '-':
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88 if (c == separator)
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89 continue;
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90 }
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91 break;
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92 }
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93 if (!c)
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94 break;
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95 error("missing `,' near `%c%s'", c, argv+1);
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96 }
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97 }
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98
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99 int warn(const char *msg, char *argv)
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100 {
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101 t = 0; /* this function needs side-effects. */
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102 return 0;
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103 }
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104
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105 int error(const char *msg, int c, char *argv)
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106 {
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107 t = 0; /* this function needs side-effects. */
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108 return 0;
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109 }
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110
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111 int recentdate(void *foo, void *bar)
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112 {
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113 t = 0; /* this function needs side-effects. */
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114 return 0;
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115 }
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116
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