gcc/testsuite/gcc.dg/ipa/ipacost-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-Os -fipa-cp -fdump-ipa-cp -fno-early-inlining -fdump-tree-optimized"  } */
   3
   4 int array[100];
   5
   6 int t(int);
   7
   8 static int
   9 i_can_be_propagated_fully (int *a)
  10 {
  11   int i;
  12   for (i=0;i<50;i++)
  13   {
  14     t(a[i]);
  15     t(a[i+1]);
  16     t(a[i+2]);
  17     t(a[i+3]);
  18   }
  19 }
  20 static int
  21 i_can_be_propagated_fully2 (int *a)
  22 {
  23   i_can_be_propagated_fully (a);
  24   i_can_be_propagated_fully (a);
  25   i_can_be_propagated_fully (a);
  26 }
  27 static int
  28 i_can_not_be_propagated_fully (int *a)
  29 {
  30   int i;
  31   for (i=0;i<50;i++)
  32   {
  33     t(a[i]);
  34     t(a[i+1]);
  35     t(a[i+2]);
  36     t(a[i+3]);
  37   }
  38 }
  39 int
  40 i_can_not_be_propagated_fully2 (int *a)
  41 {
  42   i_can_not_be_propagated_fully (a);
  43   i_can_not_be_propagated_fully (a);
  44   i_can_not_be_propagated_fully (a);
  45 }
  46 main()
  47 {
  48   i_can_be_propagated_fully2 (array);
  49   i_can_not_be_propagated_fully2 (array);
  50 }
  51
  52 /* { dg-final { scan-ipa-dump-times "versioned function i_can_be_propagated_fully2" 1 "cp"  } } */
  53 /* { dg-final { scan-ipa-dump-times "versioned function i_can_be_propagated_fully " 1 "cp"  } } */
  54 /* { dg-final { scan-ipa-dump-not "versioned function i_can_not_be_propagated_fully2" "cp"  } } */
  55 /* { dg-final { scan-ipa-dump-not "versioned function i_can_not_be_propagated_fully " "cp"  } } */
  56 /* { dg-final { scan-tree-dump-not "i_can_be_propagated_fully " "optimized"  } } */
  57 /* { dg-final { scan-tree-dump-not "i_can_be_propagated_fully2 " "optimized"  } } */
  58 /* { dg-final { cleanup-ipa-dump "cp" } } */
  59 /* { dg-final { cleanup-tree-dump "optimized" } } */