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

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-optimized" } */
   3 /* PR tree-optimization/31531 */
   4
   5 int f(int a)
   6 {
   7   int b = ~a;
   8   return b<0;
   9 }
  10
  11
  12 int f1(unsigned a)
  13 {
  14   int b = ~a;
  15   return b<0;
  16 }
  17 /* We should convert the above two functions from b <0 to ((int)a) >= 0. */
  18 /* { dg-final { scan-tree-dump-times ">= 0" 2 "optimized"} } */
  19 /* { dg-final { scan-tree-dump-times "~" 0 "optimized"} } */