gcc/testsuite/gcc.dg/ipa/iinline-5.c

   1 /* Verify that simple indirect calls are inlined even without early
   2    inlining..  */
   3 /* { dg-do run } */
   4 /* { dg-options "-O3 -fdump-ipa-inline -fno-early-inlining"  } */
   5
   6 extern void abort (void);
   7
   8 struct S
   9 {
  10   int i;
  11   void (*f)(struct S *);
  12   int j,k,l;
  13 };
  14
  15 struct Z
  16 {
  17   unsigned u;
  18   void (*f)(struct Z *, int);
  19   struct Z *next;
  20 };
  21
  22 static struct Z *gz;
  23 static struct S *gs;
  24 static int gr = 111;
  25 char gc[1024];
  26
  27 static __attribute__ ((noinline, noclone)) struct S *
  28 get_s (void)
  29 {
  30   return (struct S *) &gc;
  31 }
  32
  33
  34 static void wrong_target_1 (struct S *s)
  35 {
  36   abort ();
  37 }
  38
  39 static void wrong_target_2 (struct S *s)
  40 {
  41   abort ();
  42 }
  43
  44 static void wrong_target_3 (struct S *s)
  45 {
  46   abort ();
  47 }
  48
  49 static void good_target (struct Z *z, int i)
  50 {
  51   gr = 0;
  52 }
  53
  54 static void good_target_3 (struct S *s)
  55 {
  56   gr = 0;
  57 }
  58
  59 static void g1 (struct S *s)
  60 {
  61   struct Z *z = (struct Z*) s;
  62   z->f (z, 8);
  63 }
  64
  65 static void f1 (struct S *s)
  66 {
  67   gz->f = good_target;
  68   g1 (s);
  69 }
  70
  71 static void g2 (struct Z *z)
  72 {
  73   z->f (z, 8);
  74 }
  75
  76 static void f2 (struct S *s)
  77 {
  78   gz->f = good_target;
  79   g2 ((struct Z*) s);
  80 }
  81
  82 static void g3 (struct S *s)
  83 {
  84   s->f (s);
  85 }
  86
  87 static void h3 (struct Z *z)
  88 {
  89   gs->f = good_target_3;
  90   g3 ((struct S *) z);
  91 }
  92
  93 static void f3 (struct S *s)
  94 {
  95   h3 ((struct Z*) s);
  96 }
  97
  98 int main (int argc, char **argv)
  99 {
 100   struct S *s = get_s();
 101   s->i = 5678;
 102   s->f = wrong_target_1;
 103   s->j = 1234;
 104   gz = (struct Z *) s;
 105   f1 (s);
 106
 107   s = get_s();
 108   gz = (struct Z *) s;
 109   s->i = 9999;
 110   s->f = wrong_target_1;
 111   f2 (s);
 112
 113   s = get_s();
 114   gs = s;
 115   s->i = 9999;
 116   s->f = wrong_target_3;
 117   f3 (s);
 118
 119   return gr;
 120 }
 121
 122
 123 /* { dg-final { scan-ipa-dump-not "wrong_target\[^\\n\]*inline copy in" "inline"  } } */
 124 /* { dg-final { cleanup-ipa-dump "inline" } } */