gcc/testsuite/gcc.dg/tree-ssa/loadpre23.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-pre-stats" } */
   3
   4 struct {
   5   int a;
   6   int large[100];
   7 } x;
   8
   9 int foo(int argc)
  10 {
  11   int b;
  12   int c;
  13   int i;
  14   int d, e;
  15
  16   for (i = 0; i < argc; i++)
  17     {
  18       e = x.a;
  19       x.a = 9;
  20     }
  21   return d + e;
  22 }
  23
  24 /* { dg-final { scan-tree-dump-times "Eliminated: 1" 1 "pre"  } } */
  25 /* { dg-final { cleanup-tree-dump "pre" } } */