gcc/testsuite/gcc.dg/guality/pr43329-1.c

   1 /* PR debug/43329 */
   2 /* { dg-do run } */
   3 /* { dg-options "-g" } */
   4
   5 #include "../nop.h"
   6
   7 static inline void
   8 foo (int argx)
   9 {
  10   int varx = argx;
  11   __asm__ volatile (NOP);                       /* { dg-final { gdb-test 12 "argx" "25" } } */
  12   __asm__ volatile (NOP : : "g" (varx));        /* { dg-final { gdb-test 12 "varx" "25" } } */
  13 }
  14
  15 int i;
  16
  17 __attribute__((noinline))
  18 void baz (int x)
  19 {
  20   asm volatile ("" : : "r" (x) : "memory");
  21 }
  22
  23 static inline void
  24 bar (void)
  25 {
  26   foo (25);
  27   i = i + 2;
  28   i = i * 2;
  29   i = i - 4;
  30   baz (i);
  31   i = i * 2;
  32   i = i >> 1;
  33   i = i << 6;
  34   baz (i);
  35   i = i + 2;
  36   i = i * 2;
  37   i = i - 4;
  38   baz (i);
  39   i = i * 2;
  40   i = i >> 6;
  41   i = i << 1;
  42   baz (i);
  43 }
  44
  45 int
  46 main (void)
  47 {
  48   __asm__ volatile ("" : "=r" (i) : "0" (0));
  49   bar ();
  50   bar ();
  51   return i;
  52 }