File: dll_global_dead_strip.c

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// RUN: %clang_cl_asan %Od %p/dll_host.cpp %Fe%t
//
// RUN: %clang_cl_nocxx_asan %Gw %LD %Od %s %Fe%t.dll
// RUN: %env_asan_opts=report_globals=2 %run %t %t.dll 2>&1 | FileCheck %s --check-prefix=NOSTRIP
// RUN: %clang_cl_nocxx_asan %Gw %LD -O2 %s %Fe%t.dll \
// RUN:   %if target={{.*-windows-gnu}} %{ -Wl,--gc-sections %} \
// RUN:   %else %{ -link -opt:ref %}
// RUN: %env_asan_opts=report_globals=2 %run %t %t.dll 2>&1 | FileCheck %s --check-prefix=STRIP

#include <stdio.h>

int dead_global = 42;
int live_global = 0;

__declspec(dllexport)
int test_function() {
  puts("main");
  return live_global;
}

// Check that our global registration scheme works with MSVC's linker dead
// stripping (/OPT:REF).

// NOSTRIP: Added Global{{.*}}name=dead_global
// NOSTRIP: Added Global{{.*}}name=live_global
// NOSTRIP: main

// STRIP-NOT: Added Global{{.*}}name=dead_global
// STRIP: Added Global{{.*}}name=live_global
// STRIP: main