gcc/testsuite/gcc.dg/ipa/ipa-sra-3.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 extern void foo (float, void *, void *, long);
  12
  13 static int
  14 __attribute__((noinline))
  15 ox (struct bovid cow, int z, struct bovid calf, long l)
  16 {
  17   foo (cow.red, cow.blue, cow.blue, l);
  18   return 0;
  19 }
  20
  21 void caller (void)
  22 {
  23   struct bovid cow, calf;
  24
  25   cow.red = 7.4;
  26   cow.green = 6;
  27   cow.blue = &cow;
  28
  29   calf.red = 8.4;
  30   calf.green = 5;
  31   calf.blue = &cow;
  32
  33   ox (cow,4,calf,2);
  34   return;
  35 }
  36
  37 /* { dg-final { scan-tree-dump "base: z, remove_param" "eipa_sra"  } } */
  38 /* { dg-final { scan-tree-dump "base: calf, remove_param" "eipa_sra"  } } */