gcc/testsuite/gcc.dg/ipa/ipa-icf-5.c

   1 /* { dg-do compile { target c99_runtime } } */
   2 /* { dg-options "-O2 -fdump-ipa-icf-optimized"  } */
   3
   4 #include <complex.h>
   5
   6 static double test;
   7
   8 __attribute__ ((noinline))
   9 double f1(void)
  10 {
  11   double complex z1 = 1.0 + 3.0 * I;
  12   double complex z2 = 1.0 - 4.0 * I;
  13
  14   unsigned a = 123;
  15   unsigned b = 321;
  16
  17   if (a & b)
  18     return 1.2f;
  19
  20   if(cimag(z1) > 1)
  21     return 1.0f;
  22
  23   test = cimag(z1) + 2;
  24
  25   return cimag(z1 + z2);
  26 }
  27
  28 __attribute__ ((noinline))
  29 double f2(void)
  30 {
  31   double complex z1 = 1.0 + 3.0 * I;
  32   double complex z2 = 1.0 - 4.0 * I;
  33
  34   unsigned a = 123;
  35   unsigned b = 321;
  36
  37   if (a & b)
  38     return 1.2f;
  39
  40   if(cimag(z1) > 1)
  41     return 1.0f;
  42
  43   test = cimag(z1) + 2;
  44
  45   return cimag(z1 + z2);
  46 }
  47
  48 int main()
  49 {
  50   return 1;
  51 }
  52
  53 /* { dg-final { scan-ipa-dump "Semantic equality hit:f1/\[0-9+\]+->f2/\[0-9+\]+" "icf"  } } */
  54 /* { dg-final { scan-ipa-dump "Equal symbols: 1" "icf"  } } */