gcc/testsuite/gcc.dg/ipa/ipa-sra-18.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-ipa-sra"  } */
   3
   4 struct S
   5 {
   6   long a, b;
   7 };
   8
   9 extern void leaf_a (int );
  10 extern void leaf_b (int, int);
  11 extern void leaf_c (int, int);
  12
  13 extern void leaf_sa (struct S);
  14
  15 static void baz (int i, int j, int k, int l, struct S a, struct S b);
  16
  17 extern int gi;
  18
  19 static void  __attribute__((noinline))
  20 foo (int i, int j, int k, int l, struct S a, struct S b)
  21 {
  22   gi += l;
  23   baz (i, j, k, l, a, b);
  24 }
  25
  26 static void __attribute__((noinline))
  27 bar (int i, int j, int k, int l, struct S a, struct S b)
  28 {
  29   foo (i, j, k, l, a, b);
  30   leaf_sa (b);
  31 }
  32
  33
  34 static void __attribute__((noinline))
  35 baz (int i, int j, int k, int l, struct S a, struct S b)
  36 {
  37   if (--k)
  38     bar (i, j, k, l, a, b);
  39   leaf_b (i, k);
  40 }
  41
  42 void
  43 entry (int i, int j, int k, int l, struct S a, struct S b)
  44 {
  45   foo (i, j, k, l, a, b);
  46 }
  47
  48 /* { dg-final { scan-ipa-dump-times "Will remove parameter 1" 3 "sra" } } */
  49 /* { dg-final { scan-ipa-dump-times "Will remove parameter 4" 3 "sra" } } */