Vendor import of clang trunk r256945:

https://llvm.org/svn/llvm-project/cfe/trunk@256945

1 files changed, 25 insertions, 0 deletions

diff --git a/test/CodeGenCXX/ms-inline-asm-fields.cpp b/test/CodeGenCXX/ms-inline-asm-fields.cpp
index a78d511..6f32933 100644
--- a/test/CodeGenCXX/ms-inline-asm-fields.cpp
+++ b/test/CodeGenCXX/ms-inline-asm-fields.cpp
@@ -29,3 +29,28 @@ extern "C" int test_namespace_global() {
   __asm mov eax, asdf::a_global.a3.b2
 }
 
+template <bool Signed>
+struct make_storage_type {
+  struct type {
+    struct B {
+      int a;
+      int x;
+    } b;
+  };
+};
+
+template <bool Signed>
+struct msvc_dcas_x86 {
+  typedef typename make_storage_type<Signed>::type storage_type;
+  void store() __asm("PR26001") {
+    storage_type p;
+    __asm mov edx, p.b.x;
+  }
+};
+
+template void msvc_dcas_x86<false>::store();
+// CHECK: define weak_odr void @"\01PR26001"(
+// CHECK: %[[P:.*]] = alloca %"struct.make_storage_type<false>::type", align 4
+// CHECK: %[[B:.*]] = getelementptr inbounds %"struct.make_storage_type<false>::type", %"struct.make_storage_type<false>::type"* %[[P]], i32 0, i32 0
+// CHECK: %[[X:.*]] = getelementptr inbounds %"struct.make_storage_type<false>::type::B", %"struct.make_storage_type<false>::type::B"* %[[B]], i32 0, i32 1
+// CHECK: call void asm sideeffect inteldialect "mov edx, dword ptr $0", "*m,~{edx},~{dirflag},~{fpsr},~{flags}"(i32* %[[X]])