gcc/testsuite/gcc.dg/fold-minus-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -fdump-tree-gimple" } */
   3
   4 typedef int vec __attribute__((vector_size(2*sizeof(int))));
   5
   6 void f(vec*x,vec*y){
   7   *x -= *x / *y * *y;
   8 }
   9 void g(vec*x,vec*y,vec*z){
  10   *x = -1 - *x;
  11   *y = -*y - 1;
  12   *z = -*z - 13;
  13 }
  14
  15 /* { dg-final { scan-tree-dump-times "%" 1 "gimple"} } */
  16 /* { dg-final { scan-tree-dump-times "~" 2 "gimple"} } */
  17 /* { dg-final { scan-tree-dump-not "/" "gimple"} } */
  18 /* { dg-final { scan-tree-dump-not "\\\+" "gimple"} } */
  19 /* { dg-final { scan-tree-dump "{ -13, -13 }" "gimple"} } */
  20 /* { dg-final { cleanup-tree-dump "gimple" } } */