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

   1 /* { dg-do compile } */
   2 /* { dg-options "-O3 -fipa-cp -fipa-cp-clone -fdump-ipa-cp -fno-early-inlining -fdump-tree-optimized"  } */
   3 /* { dg-add-options bind_pic_locally } */
   4
   5 int array[100];
   6
   7 int t(int);
   8
   9 static int
  10 i_can_be_propagated_fully (int *a)
  11 {
  12   int i;
  13   for (i=0;i<50;i++)
  14   {
  15     t(a[i]);
  16     t(a[i+1]);
  17     t(a[i+2]);
  18     t(a[i+3]);
  19   }
  20 }
  21 static int
  22 i_can_be_propagated_fully2 (int *a)
  23 {
  24   i_can_be_propagated_fully (a);
  25   i_can_be_propagated_fully (a);
  26   i_can_be_propagated_fully (a);
  27 }
  28 static int
  29 i_can_not_be_propagated_fully (int *a)
  30 {
  31   int i;
  32   for (i=0;i<50;i++)
  33   {
  34     t(a[i]);
  35     t(a[i+1]);
  36     t(a[i+2]);
  37     t(a[i+3]);
  38   }
  39 }
  40 int
  41 i_can_not_be_propagated_fully2 (int *a)
  42 {
  43   i_can_not_be_propagated_fully (a);
  44   i_can_not_be_propagated_fully (a);
  45   i_can_not_be_propagated_fully (a);
  46 }
  47 main()
  48 {
  49   int i;
  50   i_can_be_propagated_fully2 (array);
  51   i_can_be_propagated_fully2 (array);
  52
  53   for (i = 0; i < 100; i++)
  54     i_can_not_be_propagated_fully2 (array);
  55   i_can_not_be_propagated_fully2 (array);
  56 }
  57
  58 /* { dg-final { scan-ipa-dump-times "versioned function i_can_be_propagated_fully2" 1 "cp"  } } */
  59 /* { dg-final { scan-ipa-dump-times "versioned function i_can_be_propagated_fully " 1 "cp"  } } */
  60 /* { dg-final { scan-ipa-dump-times "versioned function i_can_not_be_propagated_fully2" 1 "cp"  } } */
  61 /* { dg-final { scan-ipa-dump-times "versioned function i_can_not_be_propagated_fully " 1 "cp"  } } */
  62 /* { dg-final { scan-tree-dump-not "i_can_be_propagated_fully \\(" "optimized"  } } */
  63 /* { dg-final { scan-tree-dump-not "i_can_be_propagated_fully2 \\(" "optimized"  } } */
  64 /* { dg-final { cleanup-ipa-dump "cp" } } */
  65 /* { dg-final { cleanup-tree-dump "optimized" } } */