gcc/testsuite/gcc.dg/tree-ssa/pr47477.c

   1 /* PR tree-optimization/47477 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -fdump-tree-optimized -w" } */
   4 /* { dg-require-effective-target ilp32 } */
   5
   6 typedef int int64_t __attribute__ ((__mode__ (__DI__)));
   7 typedef int * intptr_t;
   8
   9 typedef struct toto_s *toto_t;
  10 toto_t add (toto_t a, toto_t b) {
  11   int64_t tmp = (int64_t)(intptr_t)a + ((int64_t)(intptr_t)b&~1L);
  12   return (toto_t)(intptr_t) tmp;
  13 }
  14
  15 /* For an ILP32 target there'll be 6 casts when we start, but just 4
  16    if the match.pd pattern is successfully matched.  */
  17 /* { dg-final { scan-tree-dump-times "= \\(int\\)" 1 "optimized" } } */
  18 /* { dg-final { scan-tree-dump-times "= \\(unsigned int\\)" 2 "optimized" } } */
  19 /* { dg-final { scan-tree-dump-times "= \\(struct toto_s \\*\\)" 1 "optimized" } } */
  20
  21