gcc/testsuite/gcc.dg/ipa/ipa-icf-3.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-ipa-icf"  } */
   3
   4 typedef int v4si __attribute__ ((vector_size (16)));
   5
   6 __attribute__ ((noinline))
   7 int foo(void)
   8 {
   9   v4si a = {1,2,3,4};
  10   v4si b = {3,2,1,4};
  11   v4si c;
  12
  13   return 54;
  14 }
  15
  16 __attribute__ ((noinline))
  17 int bar(void)
  18 {
  19   v4si a = {1,2,3,4};
  20   v4si b = {3,2,1,4};
  21   v4si c;
  22
  23   return 54;
  24 }
  25
  26 int main()
  27 {
  28   foo();
  29   bar();
  30
  31   return 0;
  32 }
  33
  34 /* { dg-final { scan-ipa-dump "Semantic equality hit:bar->foo" "icf"  } } */
  35 /* { dg-final { scan-ipa-dump "Equal symbols: 1" "icf"  } } */
  36 /* { dg-final { cleanup-ipa-dump "icf" } } */