1 files changed, 31 insertions, 0 deletions
diff --git a/test/xray/TestCases/Posix/arg1-logging-implicit-this.cc b/test/xray/TestCases/Posix/arg1-logging-implicit-this.cc
new file mode 100644
index 000000000000..d8dd62247bff
--- /dev/null
+++ b/test/xray/TestCases/Posix/arg1-logging-implicit-this.cc
@@ -0,0 +1,31 @@
+// Intercept the implicit 'this' argument of class member functions.
+//
+// RUN: %clangxx_xray -g -std=c++11 %s -o %t
+// RUN: rm -f log-args-this-*
+// RUN: XRAY_OPTIONS="patch_premain=true verbosity=1 xray_logfile_base=log-args-this-" %run %t
+//
+// XFAIL: FreeBSD || arm || aarch64 || mips
+// UNSUPPORTED: powerpc64le
+#include "xray/xray_interface.h"
+#include <cassert>
+
+class A {
+ public:
+  [[clang::xray_always_instrument, clang::xray_log_args(1)]] void f() {
+    // does nothing.
+  }
+};
+
+volatile uint64_t captured = 0;
+
+void handler(int32_t, XRayEntryType, uint64_t arg1) {
+  captured = arg1;
+}
+
+int main() {
+  __xray_set_handler_arg1(handler);
+  A instance;
+  instance.f();
+  __xray_remove_handler_arg1();
+  assert(captured == (uint64_t)&instance);
+}