gcc/testsuite/gcc.dg/pr58805.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -ftree-tail-merge -fdump-tree-pre" } */
   3
   4 /* Type that matches the 'p' constraint.  */
   5 #define TYPE void *
   6
   7 static inline
   8 void bar (TYPE *r)
   9 {
  10   TYPE t;
  11   __asm__ ("" : "=&p" (t), "=p" (*r));
  12 }
  13
  14 void
  15 foo (int n, TYPE *x, TYPE *y)
  16 {
  17   if (n == 0)
  18     bar (x);
  19   else
  20     bar (y);
  21 }
  22
  23 /* { dg-final { scan-tree-dump-times "__asm__" 2 "pre"} } */
  24 /* { dg-final { cleanup-tree-dump "pre" } } */