gcc/testsuite/gcc.dg/tree-ssa/loop-35.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-lim2-details" } */
   3
   4 int x;
   5 int a[100];
   6
   7 struct a
   8 {
   9   int X;
  10   int Y;
  11 };
  12
  13 /* Word size is long long for 64-bit mingw target.  */
  14 #ifdef _WIN64
  15 #define LONG long long
  16 #else
  17 #define LONG long
  18 #endif
  19
  20 struct a arr[100];
  21
  22 void test1(int b)
  23 {
  24   unsigned i;
  25
  26   /* And here.  */
  27   for (i = 0; i < 100; i++)
  28     {
  29       arr[b+8].X += i;
  30       arr[b+9].X += i;
  31     }
  32 }
  33
  34 void test2(struct a *A, int b)
  35 {
  36   unsigned i;
  37
  38   /* And here as well.  */
  39   for (i = 0; i < 100; i++)
  40     {
  41       A[b].X += i;
  42       A[b+1].Y += i;
  43     }
  44 }
  45
  46 void test3(unsigned LONG b)
  47 {
  48   unsigned i;
  49
  50   /* And here.  */
  51   for (i = 0; i < 100; i++)
  52     {
  53       arr[b+8].X += i;
  54       arr[b+9].X += i;
  55     }
  56 }
  57
  58 void test4(struct a *A, unsigned LONG b)
  59 {
  60   unsigned i;
  61
  62   /* And here as well.  */
  63   for (i = 0; i < 100; i++)
  64     {
  65       A[b].X += i;
  66       A[b+1].Y += i;
  67     }
  68 }
  69 /* long index not hoisted for avr target PR 36561 */
  70 /* { dg-final { scan-tree-dump-times "Executing store motion of" 8 "lim2" { xfail { "avr-*-*" } } } } */
  71 /* { dg-final { scan-tree-dump-times "Executing store motion of" 6 "lim2" { target { "avr-*-*" } } } } */