gcc/testsuite/gcc.dg/tree-ssa/sra-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O1 -fdump-tree-optimized" } */
   3
   4 /* Tests for SRA. */
   5
   6 typedef struct teststruct
   7 {
   8   double d;
   9   char f1;
  10 } teststruct;
  11
  12 void
  13 copystruct1 (teststruct param)
  14 {
  15   teststruct local;
  16   param.f1 = 0;
  17   local = param;
  18   if (local.f1 != 0)
  19     link_error ();
  20 }
  21
  22 void
  23 copystruct11 (teststruct *param)
  24 {
  25   teststruct local;
  26   param->f1 = 0;
  27   local = *param;
  28   if (local.f1 != 0)
  29     link_error ();
  30 }
  31
  32 void
  33 copystruct111 (teststruct param)
  34 {
  35   teststruct *local = &param;
  36   param.f1 = 0;
  37   if (local->f1 != 0)
  38     link_error ();
  39 }
  40
  41 teststruct globf;
  42 void
  43 copystruct1111 (void)
  44 {
  45   teststruct local;
  46   globf.f1 = 0;
  47   local = globf;
  48   if (local.f1 != 0)
  49     link_error ();
  50 }
  51
  52 void
  53 copystruct11111 (void)
  54 {
  55   teststruct *local = &globf;
  56   globf.f1 = 0;
  57   if (local->f1 != 0)
  58     link_error ();
  59 }
  60
  61 void
  62 copystruct111111 (teststruct param)
  63 {
  64   static teststruct local;
  65   param.f1 = 0;
  66   local = param;
  67   if (local.f1 != 0)
  68     link_error ();
  69 }
  70
  71 /* There should be no referenc to link_error. */
  72 /* { dg-final { scan-tree-dump-times "link_error" 0 "optimized"} } */