1 files changed, 57 insertions, 0 deletions
diff --git a/test/CodeGen/ms_this.cpp b/test/CodeGen/ms_this.cpp
new file mode 100644
index 0000000000000..8647a5bc8b8b0
--- /dev/null
+++ b/test/CodeGen/ms_this.cpp
@@ -0,0 +1,57 @@
+// REQUIRES: x86-registered-target
+
+// RUN: %clang_cc1 -triple x86_64-pc-win32 -fasm-blocks -emit-llvm %s -o - | FileCheck %s
+class t1 {
+public:
+  double a;
+  void runc();
+};
+
+class t2 {
+public:
+  double a;
+  void runc();
+};
+
+// CHECK: define void @"\01?runc@t2@@
+void t2::runc() {
+  double num = 0;
+  __asm {
+      mov rax,[this]
+      // CHECK: [[THIS_ADDR_T2:%.+]] = alloca %class.t2*
+      // CHECK: [[THIS1_T2:%.+]] = load %class.t2*, %class.t2** [[THIS_ADDR_T2]],
+      // CHECK: call void asm sideeffect inteldialect "mov rax,qword ptr $1{{.*}}%class.t2* [[THIS1_T2]]
+      mov rbx,[rax]
+      mov num, rbx
+	   };
+}
+
+// CHECK: define void @"\01?runc@t1@@
+void t1::runc() {
+  double num = 0;
+  __asm {
+       mov rax,[this]
+       // CHECK: [[THIS_ADDR_T1:%.+]] = alloca %class.t1*
+       // CHECK: [[THIS1_T1:%.+]] = load %class.t1*, %class.t1** [[THIS_ADDR_T1]],
+       // CHECK: call void asm sideeffect inteldialect "mov rax,qword ptr $1{{.*}}%class.t1* [[THIS1_T1]]
+        mov rbx,[rax]
+        mov num, rbx
+	   };
+}
+
+struct s {
+  int a;
+  // CHECK: define linkonce_odr void @"\01?func@s@@
+  void func() {
+    __asm mov rax, [this]
+    // CHECK: [[THIS_ADDR_S:%.+]] = alloca %struct.s*
+    // CHECK: [[THIS1_S:%.+]] = load %struct.s*, %struct.s** [[THIS_ADDR_S]],
+    // CHECK: call void asm sideeffect inteldialect "mov rax, qword ptr $0{{.*}}%struct.s* [[THIS1_S]]
+  }
+} f3;
+
+int main() {
+  f3.func();
+  f3.a=1;
+  return 0;
+}