gcc/testsuite/gcc.dg/fold-modpow2-2.c

   1 /* PR tree-optimization/99079 */
   2 /* { dg-do compile { target { lp64 || ilp32 } } } */
   3 /* { dg-options "-O2 -fdump-tree-optimized" } */
   4
   5 unsigned int
   6 foo1 (unsigned int a, unsigned int b)
   7 {
   8   return a % (1 << b);
   9 }
  10
  11 int
  12 foo2 (int b)
  13 {
  14   return 371 % (1U << b);
  15 }
  16
  17 long long
  18 foo3 (int b)
  19 {
  20   return 371LL % (1U << b);
  21 }
  22
  23 unsigned long long
  24 foo4 (unsigned long long a, int b)
  25 {
  26   return a % (1U << b);
  27 }
  28
  29 unsigned
  30 foo5 (unsigned a, int b)
  31 {
  32   return a % (unsigned) (1ULL << b);
  33 }
  34
  35 int
  36 foo6 (int b)
  37 {
  38   return 371 % (int) (1ULL << b);
  39 }
  40
  41 long long
  42 foo7 (int b)
  43 {
  44   return 371LL % (1 << b);
  45 }
  46
  47 /* { dg-final { scan-tree-dump-not " % " "optimized" } } */