gcc/testsuite/gcc.dg/tree-ssa/negneq-4.c

   1 /* PR tree-optimization/110134 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O1 -fdump-tree-optimized" } */
   4
   5 int fu(unsigned a, unsigned b)
   6 {
   7   a = -a;
   8   b = -b;
   9   return a != b;
  10 }
  11 int fs(signed a, signed b)
  12 {
  13   a = -a;
  14   b = -b;
  15   return a != b;
  16 }
  17
  18 /* We should have optimized out the a = -; statements. */
  19 /* { dg-final { scan-tree-dump-not "= -a" "optimized" } } */
  20 /* { dg-final { scan-tree-dump-not "= -b" "optimized" } } */