gcc/testsuite/gcc.dg/ipa/ipcp-cstagg-7.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O3 -fdump-ipa-cp-details" } */
   3
   4 #define N 4
   5
   6 typedef int (* const A[N])(int);
   7
   8 typedef struct S
   9 {
  10   int add_offset;
  11   A a;
  12 } S;
  13
  14 extern const S *gs, *hs;
  15
  16 static int  __attribute__((noinline))
  17 foo (const S f, int x)
  18 {
  19   gs = &f;
  20   x = f.a[2](x);
  21   x = f.a[2](x);
  22   x = f.a[2](x);
  23   return x;
  24 }
  25
  26 static int  __attribute__((noinline))
  27 bar (const S f, int x)
  28 {
  29   hs = &f;
  30   return foo (f, x);
  31 }
  32
  33 static int
  34 zero (int x)
  35 {
  36   return 0;
  37 }
  38
  39 static int
  40 addone (int x)
  41 {
  42   return x + 1;
  43 }
  44
  45 static int
  46 sq (int x)
  47 {
  48   return x * x;
  49 }
  50
  51 static int
  52 cube (int x)
  53 {
  54   return x * x * x;
  55 }
  56
  57 static const S s = {64, {zero, addone, sq, cube}};
  58
  59 int
  60 h (int x)
  61 {
  62   return bar (s, x);
  63 }
  64
  65 /* { dg-final { scan-ipa-dump-times "Discovered an indirect call to a known target" 3 "cp" { xfail { hppa*-*-* && { ! lp64 } } } } } */