1 files changed, 28 insertions, 0 deletions
diff --git a/clang/test/CodeGenCXX/attr.cpp b/clang/test/CodeGenCXX/attr.cpp
new file mode 100644
index 0000000..9e8740e
--- /dev/null
+++ b/clang/test/CodeGenCXX/attr.cpp
@@ -0,0 +1,28 @@
+// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -emit-llvm -o - %s | FileCheck %s
+
+// CHECK: @test2 = alias i32 ()* @_Z5test1v
+
+// CHECK: define i32 @_Z3foov() nounwind align 1024
+int foo() __attribute__((aligned(1024)));
+int foo() { }
+
+class C {
+  virtual void bar1() __attribute__((aligned(1)));
+  virtual void bar2() __attribute__((aligned(2)));
+  virtual void bar3() __attribute__((aligned(1024)));
+} c;
+
+// CHECK: define void @_ZN1C4bar1Ev(%class.C* %this) nounwind align 2
+void C::bar1() { }
+
+// CHECK: define void @_ZN1C4bar2Ev(%class.C* %this) nounwind align 2
+void C::bar2() { }
+
+// CHECK: define void @_ZN1C4bar3Ev(%class.C* %this) nounwind align 1024
+void C::bar3() { }
+
+// PR6635
+// CHECK: define i32 @_Z5test1v()
+int test1() { return 10; }
+// CHECK at top of file
+extern "C" int test2() __attribute__((alias("_Z5test1v")));