gcc/testsuite/gcc.dg/ipa/ipa-sra-27.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-ipa-sra-details"  } */
   3
   4 struct S
   5 {
   6   short a, b, c;
   7 };
   8
   9 extern int gc;
  10 extern int *arr;
  11
  12 static void __attribute__((noinline))
  13 foo (struct S *p)
  14 {
  15   for (int i = 0; i < gc; i++)
  16     arr += p->b;
  17 }
  18
  19 static void __attribute__((noinline))
  20 baz (struct S *p)
  21 {
  22   foo (p);
  23   gc = p->a + p->c;
  24 }
  25
  26 void
  27 bar (short a, short b, short c)
  28 {
  29   struct S s;
  30   s.a = a;
  31   s.b = b;
  32   s.c = c;
  33   foo (&s);
  34   return;
  35 }
  36
  37 void
  38 bar2 (short a, short b, short c)
  39 {
  40   struct S s;
  41   s.a = a;
  42   s.b = b;
  43   s.c = c;
  44   baz (&s);
  45   return;
  46 }
  47
  48 /* { dg-final { scan-ipa-dump-times "Will split parameter" 2 "sra" } } */
  49