gcc/testsuite/gcc.dg/ipa/ipcp-agg-12.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O3 -fno-ipa-sra -fdump-ipa-cp-details --param=ipa-cp-eval-threshold=2"  } */
   3
   4 struct S
   5 {
   6   int a, b, c;
   7 };
   8
   9 int __attribute__((noinline)) foo (int i, struct S s);
  10 int __attribute__((noinline)) bar (int i, struct S s);
  11 int __attribute__((noinline)) baz (int i, struct S s);
  12
  13
  14 int __attribute__((noinline))
  15 bar (int i, struct S s)
  16 {
  17   return baz (i, s);
  18 }
  19
  20 int __attribute__((noinline))
  21 baz (int i, struct S s)
  22 {
  23   return foo (i, s);
  24 }
  25
  26 int __attribute__((noinline))
  27 foo (int i, struct S s)
  28 {
  29   if (i == 2)
  30     return 0;
  31   else
  32     return s.b * s.b + bar (i - 1, s);
  33 }
  34
  35 volatile int g;
  36
  37 void entry (void)
  38 {
  39   struct S s;
  40   s.b = 4;
  41   g = bar (g, s);
  42 }
  43
  44
  45 void entry2 (void)
  46 {
  47   struct S s;
  48   s.b = 6;
  49   g = baz (g, s);
  50 }
  51
  52
  53 /* { dg-final { scan-ipa-dump-times "adding an extra caller" 2 "cp" { xfail { hppa*-*-hpux* && { ! lp64 } } } } } */