Vendor import of clang release_34 branch r197841 (effectively, 3.4 RC3):

https://llvm.org/svn/llvm-project/cfe/branches/release_34@197841

1 files changed, 22 insertions, 0 deletions

diff --git a/test/CodeGen/tbaa-ms-abi.cpp b/test/CodeGen/tbaa-ms-abi.cpp
new file mode 100644
index 0000000..67390b1
--- /dev/null
+++ b/test/CodeGen/tbaa-ms-abi.cpp
@@ -0,0 +1,22 @@
+// RUN: %clang_cc1 -cxx-abi microsoft -triple i686-pc-win32 -disable-llvm-optzns -emit-llvm -o - -O1 %s | FileCheck %s
+//
+// Test that TBAA works in the Microsoft C++ ABI.  We used to error out while
+// attempting to mangle RTTI.
+
+struct StructA {
+  int a;
+};
+
+struct StructB : virtual StructA {
+  StructB();
+};
+
+StructB::StructB() {
+  a = 42;
+// CHECK: store i32 42, i32* {{.*}}, !tbaa [[TAG_A_i32:!.*]]
+}
+
+// CHECK: [[TYPE_CHAR:!.*]] = metadata !{metadata !"omnipotent char", metadata
+// CHECK: [[TYPE_INT:!.*]] = metadata !{metadata !"int", metadata [[TYPE_CHAR]], i64 0}
+// CHECK: [[TAG_A_i32]] = metadata !{metadata [[TYPE_A:!.*]], metadata [[TYPE_INT]], i64 0}
+// CHECK: [[TYPE_A]] = metadata !{metadata !"?AUStructA@@", metadata [[TYPE_INT]], i64 0}