gcc/testsuite/gcc.dg/tree-ssa/branchless-cond.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-optimized" } */
   3
   4 int f1(unsigned int x, unsigned int y, unsigned int z)
   5 {
   6   return ((x & 1) == 0) ? y : z ^ y;
   7 }
   8
   9 int f2(unsigned int x, unsigned int y, unsigned int z)
  10 {
  11   return ((x & 1) != 0) ? z ^ y : y;
  12 }
  13
  14 int f3(unsigned int x, unsigned int y, unsigned int z)
  15 {
  16   return ((x & 1) == 0) ? y : z | y;
  17 }
  18
  19 int f4(unsigned int x, unsigned int y, unsigned int z)
  20 {
  21   return ((x & 1) != 0) ? z | y : y;
  22 }
  23
  24 /* { dg-final { scan-tree-dump-times " \\\*" 4 "optimized" } } */
  25 /* { dg-final { scan-tree-dump-times " & " 4 "optimized" } } */
  26 /* { dg-final { scan-tree-dump-not "if " "optimized" } } */