gcc/testsuite/gcc.dg/ipa/ipcp-agg-4.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 (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
  24 void
  25 entry1 (int c)
  26 {
  27   struct S s;
  28   int i;
  29
  30   for (i = 0; i<c; i++)
  31     {
  32       s.a = 1;
  33       s.b = 64;
  34       s.c = 32;
  35       foo (&s);
  36     }
  37   s.c = 2;
  38   foo (&s);
  39 }
  40
  41 void
  42 entry2 (int c)
  43 {
  44   struct S s;
  45   int i;
  46
  47   for (i = 0; i<c; i++)
  48     {
  49       s.a = 6;
  50       s.b = 64;
  51       s.c = 32;
  52       foo (&s);
  53     }
  54   s.c = 2;
  55   foo (&s);
  56 }
  57
  58 /* { dg-final { scan-ipa-dump-times "Creating a specialized node of foo/\[0-9\]*\\." 2 "cp" } } */
  59 /* { dg-final { scan-ipa-dump-times "Aggregate replacements:" 4 "cp" } } */
  60 /* { dg-final { scan-tree-dump-not "->c;" "optimized" } } */