gcc/testsuite/gcc.dg/ipa/ipa-icf-4.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-ipa-icf"  } */
   3
   4 __attribute__ ((noinline))
   5 int foo(int a)
   6 {
   7   return a * a;
   8 }
   9
  10 __attribute__ ((noinline))
  11 int bar(int b)
  12 {
  13   return b;
  14 }
  15
  16 __attribute__ ((noinline))
  17 void caller(int x)
  18 {
  19   return;
  20 }
  21
  22 int main(int argc, char **argv)
  23 {
  24   caller(foo(argc));
  25   caller(bar(argc));
  26
  27   return 123;
  28 }
  29
  30 /* { dg-final { scan-ipa-dump-not "Semantic equality hit:" "icf"  } } */
  31 /* { dg-final { scan-ipa-dump "Equal symbols: 0" "icf"  } } */
  32 /* { dg-final { cleanup-ipa-dump "icf" } } */