gcc/testsuite/gcc.dg/tree-ssa/forwprop-27.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -fdump-tree-forwprop1" } */
   3
   4 typedef int V __attribute__((vector_size(2*sizeof(int))));
   5 typedef __complex__ int C;
   6
   7 void f (V *v1, V *v2){
   8   V w1 = *v1;
   9   V x1 = ~w1;
  10   *v1 = x1 + 1;
  11   V w2 = *v2;
  12   V x2 = ~w2;
  13   *v2 = x2 + w2;
  14 }
  15
  16 void g (V *v1, V *v2){
  17   V c1 = { 5, -10 };
  18   V c2 = { 32, 13 };
  19   *v1 = (*v1|c1)&c2;
  20   *v2 = (*v2^c1)^c2;
  21 }
  22
  23 void h (C *v1, C *v2){
  24   C w = *v2;
  25   C x = *v1 - w;
  26   *v1 = x + w;
  27 }
  28
  29 void i (V *v1, V *v2){
  30   V c1 = { 5, -10 };
  31   V c2 = { 32, 13 };
  32   *v1 = (*v1-c1)+c2;
  33   *v2 = (c1-*v2)+c2;
  34 }
  35
  36 /* { dg-final { scan-tree-dump-not "\\\+" "forwprop1"} } */
  37 /* { dg-final { scan-tree-dump "{ 0, 4 }" "forwprop1"} } */
  38 /* { dg-final { scan-tree-dump "{ 37, -5 }" "forwprop1"} } */
  39