[asan] add missing asan instrumentation in generated global init functions
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159191 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGDeclCXX.cpp b/lib/CodeGen/CGDeclCXX.cpp
index a27516b..893628e 100644
--- a/lib/CodeGen/CGDeclCXX.cpp
+++ b/lib/CodeGen/CGDeclCXX.cpp
@@ -228,6 +228,9 @@
if (!CGM.getLangOpts().Exceptions)
Fn->setDoesNotThrow();
+ if (CGM.getLangOpts().AddressSanitizer)
+ Fn->addFnAttr(llvm::Attribute::AddressSafety);
+
return Fn;
}
diff --git a/test/CodeGen/address-safety-attr.cpp b/test/CodeGen/address-safety-attr.cpp
index 9d0fb95..da68b1d 100644
--- a/test/CodeGen/address-safety-attr.cpp
+++ b/test/CodeGen/address-safety-attr.cpp
@@ -33,3 +33,9 @@
int force_instance = TemplateAddressSafetyOk<42>()
+ TemplateNoAddressSafety<42>();
+
+// Check that __cxx_global_var_init* get the address_safety attribute.
+int global1 = 0;
+int global2 = *(int*)((char*)&global1+1);
+// CHECK-NOT: @__cxx_global_var_init{{.*}}address_safety
+// ASAN: @__cxx_global_var_init{{.*}}address_safety
