gcc/testsuite/gcc.dg/ipa/ipcp-agg-3.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))
  13 foo (int z, struct S *p)
  14 {
  15   int i, c = p->c;
  16   int b = p->b;
  17   void *v = (void *) p;
  18
  19   for (i= 0; i< c; i++)
  20     v = blah(b + i, v);
  21 }
  22
  23 void
  24 entry (int c)
  25 {
  26   struct S s;
  27   int i;
  28
  29   for (i = 0; i<c; i++)
  30     {
  31       s.a = 1;
  32       s.b = 64;
  33       s.c = 32;
  34       foo (i, &s);
  35     }
  36   s.c = 2;
  37   foo (0, &s);
  38 }
  39 /* { dg-final { scan-ipa-dump-times "Creating a specialized node of foo/\[0-9\]*\\." 2 "cp" } } */
  40 /* { dg-final { scan-ipa-dump-times "Aggregate replacements: 1" 2 "cp" } } */
  41 /* { dg-final { scan-ipa-dump-times "Aggregate replacements: 0" 2 "cp" } } */
  42 /* { dg-final { scan-tree-dump-not "->c;" "optimized" } } */