gcc/gcc/testsuite/gcc.dg/pr81020.c

28 lines
420 B
C

/* PR rtl-optimization/81020 */
/* { dg-do run } */
/* { dg-options "-O -fno-tree-bit-ccp -fno-tree-coalesce-vars -fno-tree-vrp" } */
unsigned v = 4;
unsigned long long __attribute__((noipa))
foo (unsigned x)
{
#if __SIZEOF_INT__ == 2
__UINT32_TYPE__ a = v;
#else
unsigned a = v;
#endif
a &= 1;
x |= 0 < a;
a >>= 31;
return x + a;
}
int
main ()
{
if (foo (2) != 2)
__builtin_abort ();
return 0;
}