gcc/testsuite/gcc.dg/tree-ssa/pr31531-1.c


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/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-optimized" } */
/* PR tree-optimization/31531 */

int f(int a)
{
  int b = ~a;
  return b<0;
}


int f1(unsigned a)
{
  int b = ~a;
  return b<0;
}
/* We should convert the above two functions from b <0 to ((int)a) >= 0. */
/* { dg-final { scan-tree-dump-times ">= 0" 2 "optimized"} } */
/* { dg-final { scan-tree-dump-times "~" 0 "optimized"} } */