compiler-rt/test/asan/TestCases/Windows/dll_global_dead_strip.c

   1 // RUN: %clang_cl_asan %Od %p/dll_host.cpp %Fe%t
   2 //
   3 // RUN: %clang_cl_nocxx_asan %Gw %LD %Od %s %Fe%t.dll
   4 // RUN: %env_asan_opts=report_globals=2 %run %t %t.dll 2>&1 | FileCheck %s --check-prefix=NOSTRIP
   5 // RUN: %clang_cl_nocxx_asan %Gw %LD -O2 %s %Fe%t.dll \
   6 // RUN:   %if target={{.*-windows-gnu}} %{ -Wl,--gc-sections %} \
   7 // RUN:   %else %{ -link -opt:ref %}
   8 // RUN: %env_asan_opts=report_globals=2 %run %t %t.dll 2>&1 | FileCheck %s --check-prefix=STRIP
   9
  10 #include <stdio.h>
  11
  12 int dead_global = 42;
  13 int live_global = 0;
  14
  15 __declspec(dllexport)
  16 int test_function() {
  17   puts("main");
  18   return live_global;
  19 }
  20
  21 // Check that our global registration scheme works with MSVC's linker dead
  22 // stripping (/OPT:REF).
  23
  24 // NOSTRIP: Added Global{{.*}}name=dead_global
  25 // NOSTRIP: Added Global{{.*}}name=live_global
  26 // NOSTRIP: main
  27
  28 // STRIP-NOT: Added Global{{.*}}name=dead_global
  29 // STRIP: Added Global{{.*}}name=live_global
  30 // STRIP: main