gcc/testsuite/gcc.dg/ipa/ipcp-agg-6.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O3 -fno-ipa-sra -fdump-ipa-cp-details -fdump-tree-optimized-slim -fno-ipa-icf"  } */
   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 static void __attribute__ ((noinline))
  30 bar_2 (struct S *p)
  31 {
  32   foo (p);
  33 }
  34
  35 void
  36 entry1 (int c)
  37 {
  38   struct S s;
  39   int i;
  40
  41   for (i = 0; i<c; i++)
  42     {
  43       s.a = 1;
  44       s.b = 64;
  45       s.c = 32;
  46       bar (&s);
  47     }
  48   s.c = 2;
  49   bar (&s);
  50 }
  51
  52 void
  53 entry2 (int c)
  54 {
  55   struct S s;
  56   int i;
  57
  58   for (i = 0; i<c; i++)
  59     {
  60       s.a = 6;
  61       s.b = 64;
  62       s.c = 32;
  63       bar_2 (&s);
  64     }
  65   s.c = 2;
  66   foo (&s);
  67 }
  68
  69 /* { dg-final { scan-ipa-dump-times "Creating a specialized node of foo/\[0-9\]*\\." 2 "cp" } } */
  70 /* { dg-final { scan-ipa-dump-times "Creating a specialized node of bar/\[0-9\]*\\." 2 "cp" } } */
  71 /* { dg-final { scan-ipa-dump "Creating a specialized node of bar_2.*for all known contexts" "cp" } } */
  72 /* { dg-final { scan-ipa-dump-times "Aggregate replacements:" 10 "cp" } } */
  73 /* { dg-final { cleanup-ipa-dump "cp" } } */
  74 /* { dg-final { scan-tree-dump-not "->c;" "optimized" } } */
  75 /* { dg-final { cleanup-tree-dump "optimized" } } */