From: Reid Kleckner <rnk@google.com>
Date: Fri, 11 Nov 2016 19:27:52 +0000 (+0000)
Subject: Add a test that uses coverage and printf from a DLL
X-Git-Tag: llvmorg-4.0.0-rc1~4879
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=47dc7f5550e8e01cfa222f19a2e73027c9181dee;p=platform%2Fupstream%2Fllvm.git

Add a test that uses coverage and printf from a DLL

This test fails without LLVM r286615

llvm-svn: 286618
---

diff --git a/compiler-rt/test/asan/TestCases/Windows/coverage-dll-stdio.cc b/compiler-rt/test/asan/TestCases/Windows/coverage-dll-stdio.cc
new file mode 100644
index 0000000..979e80c
--- /dev/null
+++ b/compiler-rt/test/asan/TestCases/Windows/coverage-dll-stdio.cc
@@ -0,0 +1,17 @@
+// Test that coverage and MSVC CRT stdio work from a DLL. This ensures that the
+// __local_stdio_printf_options function isn't instrumented for coverage.
+
+// RUN: rm -rf %t && mkdir %t && cd %t
+// RUN: %clang_cl_asan -fsanitize-coverage=func -O0 %p/dll_host.cc -Fet.exe
+// RUN: %clang_cl_asan -fsanitize-coverage=func -LD -O0 %s -Fet.dll
+// RUN: pwd
+// RUN: %run ./t.exe t.dll 2>&1 | FileCheck %s
+
+#include <stdio.h>
+
+extern "C" __declspec(dllexport)
+int test_function() {
+  printf("hello world\n");
+  // CHECK: hello world
+  return 0;
+}