gcc/testsuite/gcc.dg/ipa/ipcp-cstagg-5.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O3 -fdump-ipa-cp-details" } */
   3
   4 typedef struct S
   5 {
   6   int add_offset;
   7   int (*call)(int);
   8 } S;
   9
  10 extern const S *es;
  11
  12 static int  __attribute__((noinline))
  13 foo (const S f, int x)
  14 {
  15   es = &f;                      /* This disables IPA-SRA */
  16   x = f.call(x+f.add_offset);
  17   x = f.call(x);
  18   x = f.call(x);
  19   return x;
  20 }
  21
  22 static int
  23 sq (int x)
  24 {
  25   return x * x;
  26 }
  27
  28 static const S s = {16, sq};
  29
  30 int
  31 h (int x)
  32 {
  33   return foo (s, x);
  34 }
  35
  36 /* { dg-final { scan-ipa-dump "Discovered an indirect call to a known target" "cp" } } */
  37 /* { dg-final { scan-ipa-dump-times "Discovered an indirect call to a known target" 3 "cp" } } */