gcc/testsuite/gcc.dg/fold-convround-1.c

   1 /* PR middle-end/28473.  */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -fdump-tree-original" } */
   4
   5 extern double round(double);
   6 extern double floor(double);
   7 extern double ceil(double);
   8
   9 unsigned long long test1(double x)
  10 {
  11   return (unsigned long long) round(x);
  12 }
  13
  14 unsigned long long test2(double x)
  15 {
  16   return (unsigned long long) floor(x);
  17 }
  18 unsigned long long test3(double x)
  19 {
  20   return (unsigned long long) ceil(x);
  21 }
  22
  23 /* { dg-final { scan-tree-dump-times "__builtin_lround" 0 "original" } } */
  24 /* { dg-final { scan-tree-dump-times "__builtin_llround" 0 "original" } } */
  25 /* { dg-final { scan-tree-dump-times "__builtin_lfloor" 0 "original" } } */
  26 /* { dg-final { scan-tree-dump-times "__builtin_llfloor" 0 "original" } } */
  27 /* { dg-final { scan-tree-dump-times "__builtin_lceil" 0 "original" } } */
  28 /* { dg-final { scan-tree-dump-times "__builtin_llceil" 0 "original" } } */
  29 /* { dg-final { cleanup-tree-dump "original" } } */
  30