gcc/testsuite/gcc.dg/tree-ssa/pr111150.c

   1 /* PR tree-optimization/111150 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O1 -fdump-tree-forwprop1 -Wno-psabi" } */
   4
   5 typedef int v4si __attribute((__vector_size__(4 * sizeof(int))));
   6
   7 /* Before the patch, VEC_COND_EXPR was generated for each statement in the
   8    function. This resulted in 3 VEC_COND_EXPR. */
   9 v4si f1_(v4si a, v4si b, v4si c, v4si d) {
  10   v4si X = a == b;
  11   v4si Y = c == d;
  12   return (X != Y);
  13 }
  14
  15 v4si f2_(v4si a, v4si b, v4si c, v4si d) {
  16   v4si X = a == b;
  17   v4si Y = c == d;
  18   return (X == Y);
  19 }
  20
  21 /* For each testcase, should produce only one VEC_COND_EXPR for X^Y. */
  22 /* { dg-final { scan-tree-dump-times " VEC_COND_EXPR " 2 "forwprop1" } } */
  23 /* { dg-final { scan-tree-dump-times " == " 4 "forwprop1" } } */