1  /* PR 17739 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-O2 -fdump-tree-optimized" } */
       4  
       5  #ifdef __hppa__
       6  #define REGISTER "1"
       7  #else
       8  #ifdef __moxie__
       9  #define REGISTER "8"
      10  #else
      11  #ifdef __iq2000__
      12  #define REGISTER "3"
      13  #else
      14  #define REGISTER "0"
      15  #endif
      16  #endif
      17  #endif
      18  
      19  void foo (int);
      20  void bar (int);
      21  
      22  static inline int source(void)
      23  {
      24    register int hardreg __asm__(REGISTER);
      25    asm("" : "=r"(hardreg));
      26    return hardreg;
      27  }
      28                                                                                  
      29  void test(void)
      30  {
      31    int t = source();
      32    foo(t);
      33    bar(t);
      34  }
      35  
      36  /* Hardreg should appear exactly 3 times -- declaration, asm stmt,
      37     and copy out.  */
      38  /* { dg-final { scan-tree-dump-times "hardreg" 3 "optimized" } } */
      39  
      40  /* In particular, hardreg should *not* appear in the call to bar.  */
      41  /* { dg-final { scan-tree-dump-times "bar \[(\]\[^\n\r\]*_.\[)\]" 1 "optimized" } } */
      42