gcc/testsuite/gcc.dg/tree-ssa/abs-2.c

   1 /* PR tree-optimization/49959 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O -fdump-tree-phiopt1-details" } */
   4
   5 #define ABS(X)    (((X)>0)?(X):-(X))
   6 unsigned long
   7 test_abs(int *cur)
   8 {
   9   unsigned long sad = 0;
  10   if (cur[0] > 0)
  11     sad = cur[0];
  12   else
  13     sad = -cur[0];
  14   return sad;
  15 }
  16
  17 /* We should figure out that test_abs has an ABS_EXPR in it. */
  18 /* { dg-final { scan-tree-dump " = ABS_EXPR" "phiopt1"} } */
  19 /* { dg-final { scan-tree-dump-times "changed to factor operation out from" 1 "phiopt1"} } */
  20