clang/test/Analysis/no-exit-cfg.c

   1 // RUN: %clang_analyze_cc1 -analyzer-checker=core,alpha.core -verify %s
   2 // RUN: %clang_analyze_cc1 -analyzer-checker=core,alpha.core -analyzer-config cfg-scopes=true -verify %s
   3 // expected-no-diagnostics
   4
   5 // This is a test case for the issue reported in PR 2819:
   6 //  http://llvm.org/bugs/show_bug.cgi?id=2819
   7 // The flow-sensitive dataflow solver should work even when no block in
   8 // the CFG reaches the exit block.
   9
  10 int g(int x);
  11 void h(int x);
  12
  13 int f(int x)
  14 {
  15 out_err:
  16   if (g(x)) {
  17     h(x);
  18   }
  19   goto out_err;
  20 }