gcc/testsuite/gcc.dg/tree-ssa/sra-18.c

   1 /* { dg-do run { target { aarch64*-*-* alpha*-*-* arm*-*-* hppa*-*-* powerpc*-*-* s390*-*-* } } } */
   2 /* { dg-options "-O2 -fdump-tree-esra --param sra-max-scalarization-size-Ospeed=32" } */
   3
   4 extern void abort (void);
   5 struct foo { long x; };
   6
   7 struct bar { struct foo f[2]; };
   8
   9 struct baz { struct bar b[2]; };
  10
  11 int
  12 main (int argc, char **argv)
  13 {
  14   struct baz a = { { { { { 4 }, { 5 } } }, { { { 6 }, { 7 } } }  } };
  15   int tot = 0;
  16   for (int i = 0; i < 2; i++)
  17     for (int j = 0; j < 2; j++)
  18       tot = (tot*256) + a.b[i].f[j].x;
  19   if (tot == 0x04050607)
  20     return 0;
  21   abort ();
  22 }
  23
  24 /* { dg-final { scan-tree-dump-times "Removing load: a = \\\*\\.?LC\\.?\\.?0;" 1 "esra" } } */
  25 /* { dg-final { scan-tree-dump-times "SR\\.\[0-9_\]+ = \\\*\\.?LC\\.?\\.?0\\.b\\\[0\\\]\\.f\\\[0\\\]\\.x" 1 "esra" } } */
  26 /* { dg-final { scan-tree-dump-times "SR\\.\[0-9_\]+ = \\\*\\.?LC\\.?\\.?0\\.b\\\[0\\\]\\.f\\\[1\\\]\\.x" 1 "esra" } } */
  27 /* { dg-final { scan-tree-dump-times "SR\\.\[0-9_\]+ = \\\*\\.?LC\\.?\\.?0\\.b\\\[1\\\]\\.f\\\[0\\\]\\.x" 1 "esra" } } */
  28 /* { dg-final { scan-tree-dump-times "SR\\.\[0-9_\]+ = \\\*\\.?LC\\.?\\.?0\\.b\\\[1\\\]\\.f\\\[1\\\]\\.x" 1 "esra" } } */