[ASan] test blacklist functionality for global-init-order checker (r167725)

llvm-svn: 167727

3 files changed, 49 insertions, 0 deletions

diff --git a/compiler-rt/lib/asan/lit_tests/Helpers/initialization-blacklist-extra.cc b/compiler-rt/lib/asan/lit_tests/Helpers/initialization-blacklist-extra.cc
new file mode 100644
index 00000000000..09aed2112d5
--- /dev/null
+++ b/compiler-rt/lib/asan/lit_tests/Helpers/initialization-blacklist-extra.cc
@@ -0,0 +1,15 @@
+int zero_init() { return 0; }
+int badGlobal = zero_init();
+int readBadGlobal() { return badGlobal; }
+
+namespace badNamespace {
+class BadClass {
+ public:
+  BadClass() { value = 0; }
+  int value;
+};
+// Global object with non-trivial constructor.
+BadClass bad_object;
+}  // namespace badNamespace
+
+int accessBadObject() { return badNamespace::bad_object.value; }
diff --git a/compiler-rt/lib/asan/lit_tests/Helpers/initialization-blacklist.txt b/compiler-rt/lib/asan/lit_tests/Helpers/initialization-blacklist.txt
new file mode 100644
index 00000000000..c5f6610937f
--- /dev/null
+++ b/compiler-rt/lib/asan/lit_tests/Helpers/initialization-blacklist.txt
@@ -0,0 +1,2 @@
+global-init:*badGlobal*
+global-init-type:*badNamespace::BadClass*
diff --git a/compiler-rt/lib/asan/lit_tests/initialization-blacklist.cc b/compiler-rt/lib/asan/lit_tests/initialization-blacklist.cc
new file mode 100644
index 00000000000..a505779ac92
--- /dev/null
+++ b/compiler-rt/lib/asan/lit_tests/initialization-blacklist.cc
@@ -0,0 +1,32 @@
+// Test for blacklist functionality of initialization-order checker.
+
+// RUN: %clangxx_asan -m64 -O0 %s %p/Helpers/initialization-blacklist-extra.cc\
+// RUN:   -mllvm -asan-blacklist=%p/Helpers/initialization-blacklist.txt \
+// RUN:   -mllvm -asan-initialization-order -o %t && %t 2>&1
+// RUN: %clangxx_asan -m64 -O1 %s %p/Helpers/initialization-blacklist-extra.cc\
+// RUN:   -mllvm -asan-blacklist=%p/Helpers/initialization-blacklist.txt \
+// RUN:   -mllvm -asan-initialization-order -o %t && %t 2>&1
+// RUN: %clangxx_asan -m64 -O2 %s %p/Helpers/initialization-blacklist-extra.cc\
+// RUN:   -mllvm -asan-blacklist=%p/Helpers/initialization-blacklist.txt \
+// RUN:   -mllvm -asan-initialization-order -o %t && %t 2>&1
+// RUN: %clangxx_asan -m32 -O0 %s %p/Helpers/initialization-blacklist-extra.cc\
+// RUN:   -mllvm -asan-blacklist=%p/Helpers/initialization-blacklist.txt \
+// RUN:   -mllvm -asan-initialization-order -o %t && %t 2>&1
+// RUN: %clangxx_asan -m32 -O1 %s %p/Helpers/initialization-blacklist-extra.cc\
+// RUN:   -mllvm -asan-blacklist=%p/Helpers/initialization-blacklist.txt \
+// RUN:   -mllvm -asan-initialization-order -o %t && %t 2>&1
+// RUN: %clangxx_asan -m32 -O2 %s %p/Helpers/initialization-blacklist-extra.cc\
+// RUN:   -mllvm -asan-blacklist=%p/Helpers/initialization-blacklist.txt \
+// RUN:   -mllvm -asan-initialization-order -o %t && %t 2>&1
+
+// Function is defined in another TU.
+int readBadGlobal();
+int x = readBadGlobal();  // init-order bug.
+
+// Function is defined in another TU.
+int accessBadObject();
+int y = accessBadObject();  // init-order bug.
+
+int main(int argc, char **argv) {
+  return argc + x + y - 1;
+}