gcc/testsuite/gcc.dg/tree-ssa/ipa-reference-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-optimized" } */
   3
   4 static int conststaticvariable;
   5
   6 int f(void)
   7 {
   8   return conststaticvariable;
   9 }
  10
  11 /* There should be no reference to conststaticvariable as we should have
  12    inlined the 0 as IPA reference should have marked the variable as a const
  13    as it is not set in the IR.  */
  14 /* { dg-final { scan-tree-dump-times "conststaticvariable" 0 "optimized"} } */