gcc/testsuite/gcc.dg/ipa/ipa-sra-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fipa-sra -fdump-tree-eipa_sra-details"  } */
   3
   4 struct bovid
   5 {
   6   float red;
   7   int green;
   8   void *blue;
   9 };
  10
  11 static int
  12 __attribute__((noinline))
  13 ox (struct bovid *cow)
  14 {
  15   cow->red = cow->red + cow->green + cow->green;
  16   return 0;
  17 }
  18
  19 int something;
  20
  21 static int
  22 __attribute__((noinline))
  23 ox_improved (struct bovid *calf)
  24 {
  25   if (something > 0)
  26     calf->red = calf->red + calf->green;
  27   else
  28     calf->red = calf->green + 87;
  29   something = 77;
  30   return 0;
  31 }
  32
  33
  34 int main (int argc, char *argv[])
  35 {
  36   struct bovid cow;
  37
  38   cow.red = 7.4;
  39   cow.green = 6;
  40   cow.blue = &cow;
  41
  42   ox (&cow);
  43
  44   ox_improved (&cow);
  45   return 0;
  46 }
  47
  48 /* { dg-final { scan-tree-dump "About to replace expr cow_.*D.->red with \\*ISRA" "eipa_sra"  } } */
  49 /* { dg-final { scan-tree-dump "About to replace expr cow_.*D.->green with ISRA" "eipa_sra"  } } */
  50 /* { dg-final { scan-tree-dump "About to replace expr calf_.*D.->red with \\*ISRA" "eipa_sra"  } } */
  51 /* { dg-final { scan-tree-dump "About to replace expr calf_.*D.->green with ISRA" "eipa_sra"  } } */