1 files changed, 26 insertions, 0 deletions
diff --git a/test/CodeGenCXX/attr-cpuspecific.cpp b/test/CodeGenCXX/attr-cpuspecific.cpp
new file mode 100644
index 0000000000000..bfee49ca34bda
--- /dev/null
+++ b/test/CodeGenCXX/attr-cpuspecific.cpp
@@ -0,0 +1,26 @@
+// RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm -o - %s | FileCheck %s --check-prefixes=CHECK,LINUX
+// RUN: %clang_cc1 -triple x86_64-windows-pc -fms-compatibility -emit-llvm -o - %s | FileCheck %s --check-prefixes=CHECK,WINDOWS
+
+struct S {
+  __attribute__((cpu_specific(atom)))
+  void Func(){}
+  __attribute__((cpu_dispatch(ivybridge,atom)))
+  void Func(){}
+};
+
+void foo() {
+  S s;
+  s.Func();
+}
+
+// LINUX: define void (%struct.S*)* @_ZN1S4FuncEv.resolver
+// LINUX: ret void (%struct.S*)* @_ZN1S4FuncEv.S
+// LINUX: ret void (%struct.S*)* @_ZN1S4FuncEv.O
+// LINUX: declare void @_ZN1S4FuncEv.S
+// LINUX: define linkonce_odr void @_ZN1S4FuncEv.O
+
+// WINDOWS: define dso_local void @"?Func@S@@QEAAXXZ"(%struct.S*)
+// WINDOWS: musttail call void @"?Func@S@@QEAAXXZ.S"(%struct.S* %0)
+// WINDOWS: musttail call void @"?Func@S@@QEAAXXZ.O"(%struct.S* %0)
+// WINDOWS: declare dso_local void @"?Func@S@@QEAAXXZ.S"
+// WINDOWS: define linkonce_odr dso_local void @"?Func@S@@QEAAXXZ.O"