gcc/testsuite/gcc.dg/tree-ssa/ifc-20040816-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-c -O2 -ftree-vectorize -fdump-tree-ifcvt-stats" { target *-*-* } } */
   3
   4 #include <stdarg.h>
   5 #include <signal.h>
   6
   7 #define N 16
   8 #define MAX 42
   9
  10 extern void abort(void);
  11
  12 int main1 ()
  13 {
  14   int A[N] = {36,39,42,45,43,32,21,12,23,34,45,56,67,78,89,11};
  15
  16   int i, j;
  17
  18   for (i = 0; i < N; i++)
  19     {
  20       j = A[i];
  21       A[i] = ( j >= MAX ? MAX : 0);
  22     }
  23
  24   /* check results:  */
  25   for (i = 0; i < N; i++)
  26     {
  27       if (A[i] > MAX)
  28         abort ();
  29     }
  30
  31   return 0;
  32 }
  33
  34
  35
  36 /* { dg-final { scan-tree-dump-times "Applying if-conversion" 1 "ifcvt" } } */
  37 /* { dg-final { cleanup-tree-dump "ifcvt" } } */