gcc/testsuite/gcc.dg/ipa/ipcp-agg-5.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 static void __attribute__ ((noinline))
  24 bar (struct S *p)
  25 {
  26   foo (p);
  27 }
  28
  29 void
  30 entry1 (int c)
  31 {
  32   struct S s;
  33   int i;
  34
  35   for (i = 0; i<c; i++)
  36     {
  37       s.a = 1;
  38       s.b = 64;
  39       s.c = 32;
  40       bar (&s);
  41     }
  42   s.c = 2;
  43   bar (&s);
  44 }
  45
  46 void
  47 entry2 (int c)
  48 {
  49   struct S s;
  50   int i;
  51
  52   for (i = 0; i<c; i++)
  53     {
  54       s.a = 6;
  55       s.b = 64;
  56       s.c = 32;
  57       foo (&s);
  58     }
  59   s.c = 2;
  60   foo (&s);
  61 }
  62
  63 /* { dg-final { scan-ipa-dump-times "Creating a specialized node of foo/\[0-9\]*\\." 2 "cp" } } */
  64 /* { dg-final { scan-ipa-dump-times "Creating a specialized node of bar/\[0-9\]*\\." 2 "cp" } } */
  65 /* { dg-final { scan-ipa-dump-times "Aggregate replacements:" 8 "cp" } } */
  66 /* { dg-final { cleanup-ipa-dump "cp" } } */
  67 /* { dg-final { scan-tree-dump-not "->c;" "optimized" } } */
  68 /* { dg-final { cleanup-tree-dump "optimized" } } */