gcc/testsuite/gcc.dg/tree-ssa/pr95527-2.c

   1 /* PR tree-optimization/95527 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -fdump-tree-original" } */
   4 /* { dg-final { scan-tree-dump "a & 7\\) == 0" "original" } } */
   5 /* { dg-final { scan-tree-dump "b & 63\\) != 0" "original" } } */
   6 /* { dg-final { scan-tree-dump-times "return 0;" 2 "original" } } */
   7 /* { dg-final { scan-tree-dump-times "return 1;" 2 "original" } } */
   8 /* { dg-final { scan-tree-dump "g & 15\\) == 8" "original" } } */
   9 /* { dg-final { scan-tree-dump "h & 255\\) != 128" "original" } } */
  10
  11 int
  12 f1 (int a)
  13 {
  14   return __builtin_ctz (a) >= 3;
  15 }
  16
  17 int
  18 f2 (int b)
  19 {
  20   return __builtin_ctz (b) < 6;
  21 }
  22
  23 int
  24 f3 (int c)
  25 {
  26   return __builtin_ctz (c) < 0;
  27 }
  28
  29 int
  30 f4 (int d)
  31 {
  32   return __builtin_ctz (d) >= 0;
  33 }
  34
  35 int
  36 f5 (int e)
  37 {
  38   return __builtin_ctz (e) >= __SIZEOF_INT__ * __CHAR_BIT__;
  39 }
  40
  41 int
  42 f6 (int f)
  43 {
  44   return __builtin_ctz (f) < __SIZEOF_INT__ * __CHAR_BIT__;
  45 }
  46
  47 int
  48 f7 (int g)
  49 {
  50   return __builtin_ctz (g) == 3;
  51 }
  52
  53 int
  54 f8 (int h)
  55 {
  56   return __builtin_ctz (h) != 7;
  57 }