gcc/testsuite/gcc.dg/tree-ssa/ssa-dse-24.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-dse1" } */
   3
   4
   5 typedef unsigned int wchar_t;
   6 struct printf_info
   7 {
   8   int prec;
   9   int width;
  10   wchar_t spec;
  11   unsigned int is_long_double:1;
  12   unsigned int is_short:1;
  13   unsigned int is_long:1;
  14   unsigned int alt:1;
  15   unsigned int space:1;
  16   unsigned int left:1;
  17   unsigned int showsign:1;
  18   unsigned int group:1;
  19   unsigned int extra:1;
  20   unsigned int is_char:1;
  21   unsigned int wide:1;
  22   unsigned int i18n:1;
  23   unsigned int __pad:4;
  24   unsigned short int user;
  25   wchar_t pad;
  26 } info;
  27
  28 void bar (struct printf_info *);
  29
  30 void foo(int prec,
  31   int width,
  32   wchar_t spec,
  33   unsigned int is_long_double,
  34   unsigned int is_short,
  35   unsigned int is_long,
  36   unsigned int alt,
  37   unsigned int space,
  38   unsigned int left,
  39   unsigned int showsign,
  40   unsigned int group,
  41   wchar_t pad)
  42 {
  43     struct printf_info info = {
  44         .prec = prec,
  45         .width = width,
  46         .spec = spec,
  47         .is_long_double = is_long_double,
  48         .is_short = is_short,
  49         .is_long = is_long,
  50         .alt = alt,
  51         .space = space,
  52         .left = left,
  53         .showsign = showsign,
  54         .group = group,
  55         .pad = pad,
  56         .extra = 0,
  57         .wide = sizeof (char) != 1 };
  58
  59     bar (&info);
  60 }
  61
  62 /* { dg-final { scan-tree-dump-times "MEM\\\[\\(struct printf_info \\*\\)&info \\+ \[0-9\]+B\\\] = {}" 1 "dse1" } } */