gcc/testsuite/gcc.dg/ipa/ipcp-agg-7.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O3 -fno-ipa-sra -fdump-ipa-cp-details -fdump-tree-optimized-slim"  } */
   3 /* { dg-add-options bind_pic_locally } */
   4
   5 struct S
   6 {
   7   int a, b, c;
   8 };
   9
  10 void *blah(int, void *);
  11
  12 static void __attribute__ ((noinline)) foo (int x, int z, struct S *p);
  13
  14 static void __attribute__ ((noinline))
  15 bar (int x, int z, struct S *p)
  16 {
  17   foo (z, x, p);
  18 }
  19
  20 static void __attribute__ ((noinline))
  21 foo (int x, int z, struct S *p)
  22 {
  23   int i, c = p->c;
  24   int b = p->b - z;
  25   void *v = (void *) p;
  26
  27   if (z)
  28     {
  29       z--;
  30       bar (z, x, p);
  31     }
  32   for (i = 0; i< c; i++)
  33     v = blah(b + x + i, v);
  34 }
  35
  36 void
  37 entry (int c)
  38 {
  39   struct S s;
  40   int i;
  41
  42   for (i = 0; i<c; i++)
  43     {
  44       s.a = c;
  45       s.b = 64;
  46       s.c = 32;
  47       foo (4, i, &s);
  48     }
  49 }
  50 /* { dg-final { scan-ipa-dump-times "Clone of bar" 1 "cp" } } */
  51 /* { dg-final { scan-ipa-dump-times "Clone of foo" 1 "cp" } } */
  52 /* { dg-final { scan-tree-dump-not "->c;" "optimized" } } */