gcc/testsuite/gcc.dg/guality/pr45882.c

   1 /* PR debug/45882 */
   2 /* { dg-do run } */
   3 /* { dg-options "-g" } */
   4
   5 #include "prevent-optimization.h"
   6
   7 extern void abort (void);
   8 int a[1024] ATTRIBUTE_USED;
   9 volatile short int v;
  10
  11 __attribute__((noinline,noclone,used)) int
  12 foo (int i, int j)
  13 {
  14   int b = i;            /* { dg-final { gdb-test .+4 "b" "7" } } */
  15   int c = i + 4;        /* { dg-final { gdb-test .+3 "c" "11" } } */
  16   int d = a[i];         /* { dg-final { gdb-test .+2 "d" "112" } } */
  17   int e = a[i + 6];     /* { dg-final { gdb-test .+1 "e" "142" } } */
  18   ++v;
  19   return ++j;
  20 }
  21
  22 int
  23 main (void)
  24 {
  25   int l;
  26   asm ("" : "=r" (l) : "0" (7));
  27   a[7] = 112;
  28   a[7 + 6] = 142;
  29   if (foo (l, 7) != 8)
  30     abort ();
  31   return l - 7;
  32 }