clang/test/CoverageMapping/macro-stringize-twice.cpp

   1 // RUN: %clang_cc1 -mllvm -emptyline-comment-coverage=false -triple %itanium_abi_triple -fprofile-instrument=clang -fcoverage-mapping -dump-coverage-mapping -emit-llvm-only %s | FileCheck %s
   2
   3 // PR39942
   4
   5 class a;
   6 template <class b> a &operator<<(b &, const char *);
   7 int c;
   8 #define d(l) l(__FILE__, __LINE__, c)
   9 #define COMPACT_GOOGLE_LOG_ERROR d(e)
  10 #define f(g, cond) cond ? (void)0 : h() & g
  11 #define i(j) COMPACT_GOOGLE_LOG_##j.g()
  12 #define k(j) f(i(j), 0)
  13 class e {
  14 public:
  15   e(const char *, int, int);
  16   a &g();
  17 };
  18 class h {
  19 public:
  20   void operator&(a &);
  21 };
  22 void use_str(const char *);
  23
  24 #define m(func)                                                                \
  25   use_str(#func);                                                              \
  26   k(ERROR) << #func;                                                           \
  27   return 0; // CHECK: File 1, [[@LINE-1]]:4 -> [[@LINE-1]]:16 = (#0 - #1)
  28 int main() {
  29   m(asdf);
  30 }