clang-tests/gcc-4_2-testsuite/src/gcc.target/powerpc/ppc-negeq0-1.c

/* { dg-do compile } */
/* { dg-options "-O2" } */

int foo(int x)
{
  return -(x == 0);
}

int bar(int x)
{
  int t = __builtin_clz(x);
  return -(t>>5);
}

/* { dg-final { scan-assembler-not "cntlzw" } } */