gcc/testsuite/gcc.dg/pr56094.c

   1 /* PR tree-optimization/56094 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -g -fdump-tree-optimized-lineno" } */
   4
   5 _Bool cond;
   6
   7 int
   8 fn0 (unsigned char, unsigned long long, unsigned char,
   9      unsigned char, signed short, unsigned int,
  10      unsigned char *);
  11
  12 extern void fn3 (unsigned char, unsigned char, unsigned char, unsigned char,
  13                  unsigned char, unsigned char, unsigned char, unsigned short);
  14 extern void fn7 (int);
  15 extern void fn8 (int);
  16
  17 static __inline__ __attribute__ ((always_inline)) void
  18 fn1 (unsigned char arg0, unsigned char arg1, unsigned char arg2,
  19      unsigned char arg3, unsigned char arg4, unsigned char arg5,
  20      unsigned short arg6)
  21 {
  22   asm volatile ("" :: "g" ((unsigned long long) arg0), "g" (arg1),
  23                       "g" (arg2), "g" (arg3), "g" (arg4), "g" (arg5),
  24                       "g" (arg6));
  25   if (cond)
  26     {
  27       unsigned char loc0 = 0;
  28       fn3 (loc0, arg0, arg1, arg2, arg3, arg4, arg5, arg6);
  29     }
  30 }
  31
  32 static __inline__ __attribute__ ((always_inline)) void
  33 fn4 (unsigned int arg0, unsigned long long arg1)
  34 {
  35   asm volatile ("" :: "g" (arg0), "g" (arg1));
  36 }
  37
  38 static __inline__ __attribute__ ((always_inline)) void
  39 fn5 (unsigned int arg0, unsigned char arg1, unsigned int arg2,
  40      unsigned char arg3)
  41 {
  42   asm volatile ("" :: "g" (arg0), "g" (arg1),
  43                       "g" ((unsigned long long) arg2), "g" (arg3));
  44 }
  45
  46 static __inline__ __attribute__ ((always_inline)) void
  47 fn6 (unsigned long long arg0, unsigned char arg1,
  48      unsigned char arg2, signed short arg3,
  49      unsigned int arg4, unsigned char * arg5)
  50 {
  51   asm volatile ("" :: "g" (arg0), "g" ((unsigned long long) arg1),
  52                       "g" ((unsigned long long) arg2), "g" (arg3),
  53                       "g" (arg4), "g" (arg5));
  54   if (cond)
  55     {
  56       unsigned char loc0 = 0;
  57       fn0 (loc0, arg0, arg1, arg2, arg3, arg4, arg5);
  58     }
  59 }
  60
  61 unsigned char b[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0xa };
  62 unsigned int q = sizeof (b) / sizeof (b[0]);
  63
  64 void
  65 foo ()
  66 {
  67   int i;
  68   for (i = 1; i <= 50; i++)
  69     {
  70       fn6 (i + 0x1234, i + 1, i + 0xa, i + 0x1234, q, b);
  71       fn5 (i + 0xabcd, i << 1, i + 0x1234, i << 2);
  72       fn7 (i + 0xdead);
  73       fn8 (i + 0xdead);
  74       fn1 (i, i + 1, i + 2, i + 3, i + 4, i + 5, i << 10);
  75       fn4 (i + 0xfeed, i);
  76     }
  77 }
  78
  79 /* Verify no statements get the location of the foo () decl.  */
  80 /* { dg-final { scan-tree-dump-not " : 65:1\\\]" "optimized" } } */