gcc/testsuite/gcc.dg/ipa/iinline-4.c

   1 /* Verify that simple indirect calls are inlined even without early
   2    inlining..  */
   3 /* { dg-do compile } */
   4 /* { dg-options "-O3 -fdump-ipa-inline -fno-early-inlining -fno-ipa-icf"  } */
   5
   6 struct S
   7 {
   8   int i;
   9   void (*f)(struct S *);
  10   unsigned u;
  11 };
  12
  13 struct U
  14 {
  15   struct U *next;
  16   struct S s;
  17   short a[8];
  18 };
  19
  20 extern void non_existent(struct S *p, int);
  21
  22 /* ----- 1 ----- */
  23
  24 static void hooray1 (struct S *p)
  25 {
  26   non_existent (p, 1);
  27 }
  28
  29 static void hiphip1 (struct S *p)
  30 {
  31   p->f (p);
  32 }
  33
  34 int test1 (void)
  35 {
  36   struct S s;
  37   s.i = 1234;
  38   s.f = hooray1;
  39   s.u = 1001;
  40   hiphip1 (&s);
  41   return 0;
  42 }
  43
  44 /* ----- 2 ----- */
  45
  46 struct S *gp;
  47
  48 static void hooray2 (struct S *p)
  49 {
  50   non_existent (p, 2);
  51 }
  52
  53 static void hip2 (struct S *p)
  54 {
  55   p->f (p);
  56 }
  57
  58 static void hiphip2 (struct S *p)
  59 {
  60   hip2 (p);
  61 }
  62
  63 int test2 (void)
  64 {
  65   struct S *p = gp;
  66   p->i = 2341;
  67   p->f = hooray2;
  68   p->u = 1002;
  69   hiphip2 (p);
  70   return 0;
  71 }
  72
  73 /* ----- 3 ----- */
  74
  75 static void hooray3 (struct S *p)
  76 {
  77   non_existent (p, 2);
  78 }
  79
  80 static void hip3 (struct S *p)
  81 {
  82   p->f (p);
  83 }
  84
  85 static __attribute__ ((flatten)) void hiphip3 (struct S *p)
  86 {
  87   hip3 (p);
  88 }
  89
  90 int test3 (void)
  91 {
  92   struct S *p = gp;
  93   p->i = 2341;
  94   p->f = hooray3;
  95   p->u = 1003;
  96   hiphip3 (p);
  97   return 0;
  98 }
  99
 100 /* ----- 4 ----- */
 101
 102 static void hooray4 (struct S *p)
 103 {
 104   non_existent (p, 3);
 105 }
 106
 107 static void hiphip4 (struct S s)
 108 {
 109   s.f (&s);
 110 }
 111
 112 int test4(void)
 113 {
 114   struct S s;
 115   s.i = 3412;
 116   s.f = hooray4;
 117   s.u = 1004;
 118   hiphip4 (s);
 119   return 0;
 120 }
 121
 122 /* ----- 5 ----- */
 123
 124 struct U *gu;
 125
 126 static void hooray5 (struct S *p)
 127 {
 128   non_existent (p, 5);
 129 }
 130
 131 static void hip5 (struct S *p)
 132 {
 133   p->f (p);
 134 }
 135
 136 static void hiphip5 (struct U *u)
 137 {
 138   hip5 (&u->s);
 139 }
 140
 141 int test5 (void)
 142 {
 143   struct U *u = gu;
 144   u->next = u;
 145   u->s.i = 9876;
 146   u->s.f = hooray5;
 147   u->s.u = 1005;
 148   hiphip5 (u);
 149   return 0;
 150 }
 151
 152 /* ----- 6 ----- */
 153
 154 static void hooray6 (struct S *p)
 155 {
 156   non_existent (p, 6);
 157 }
 158
 159 static void hip6 (struct S *p)
 160 {
 161   p->f (p);
 162 }
 163
 164 static __attribute__ ((flatten)) void hiphip6 (struct U *u)
 165 {
 166   hip6 (&u->s);
 167 }
 168
 169 int test6 (void)
 170 {
 171   struct U *u = gu;
 172   u->next = u;
 173   u->s.i = 9876;
 174   u->s.f = hooray6;
 175   u->s.u = 1006;
 176   hiphip6 (u);
 177   return 0;
 178 }
 179
 180 /* ----- 7 ----- */
 181
 182 struct S **gdp;
 183
 184
 185 static void hooray7 (struct S *p)
 186 {
 187   non_existent (p, 7);
 188 }
 189
 190 static void hip7 (struct S *p)
 191 {
 192   p->f (p);
 193   gdp = &p;
 194 }
 195
 196 static void hiphip7 (struct S *p)
 197 {
 198   hip7 (p);
 199   gdp = &p;
 200 }
 201
 202 int test7 (void)
 203 {
 204   struct S *p = gp;
 205   p->i = 7341;
 206   p->f = hooray7;
 207   p->u = 1007;
 208   hiphip7 (p);
 209   return 0;
 210 }
 211
 212
 213
 214 /* { dg-final { scan-ipa-dump "hooray1\[^\\n\]*inline copy in test1"  "inline"  } } */
 215 /* { dg-final { scan-ipa-dump "hooray2\[^\\n\]*inline copy in test2"  "inline"  } } */
 216 /* { dg-final { scan-ipa-dump "hooray3\[^\\n\]*inline copy in test3"  "inline"  } } */
 217 /* { dg-final { scan-ipa-dump "hooray4\[^\\n\]*inline copy in test4"  "inline"  { xfail { { hppa*-*-* } && { ! lp64 } } } } } */
 218 /* { dg-final { scan-ipa-dump "hooray5\[^\\n\]*inline copy in test5"  "inline"  } } */
 219 /* { dg-final { scan-ipa-dump "hooray6\[^\\n\]*inline copy in test6"  "inline"  } } */
 220 /* { dg-final { scan-ipa-dump "hooray7\[^\\n\]*inline copy in test7"  "inline"  } } */