xref: /minix3/external/bsd/llvm/dist/clang/test/CodeGen/tbaa-ms-abi.cpp (revision 0a6a1f1d05b60e214de2f05a7310ddd1f0e590e7) 
1*0a6a1f1dSLionel Sambuc // RUN: %clang_cc1 -triple i686-pc-win32 -disable-llvm-optzns -emit-llvm -o - -O1 %s | FileCheck %s
2f4a2713aSLionel Sambuc //
3f4a2713aSLionel Sambuc // Test that TBAA works in the Microsoft C++ ABI.  We used to error out while
4f4a2713aSLionel Sambuc // attempting to mangle RTTI.
5f4a2713aSLionel Sambuc 
6f4a2713aSLionel Sambuc struct StructA {
7f4a2713aSLionel Sambuc   int a;
8f4a2713aSLionel Sambuc };
9f4a2713aSLionel Sambuc 
10f4a2713aSLionel Sambuc struct StructB : virtual StructA {
11f4a2713aSLionel Sambuc   StructB();
12f4a2713aSLionel Sambuc };
13f4a2713aSLionel Sambuc 
StructB()14f4a2713aSLionel Sambuc StructB::StructB() {
15f4a2713aSLionel Sambuc   a = 42;
16f4a2713aSLionel Sambuc // CHECK: store i32 42, i32* {{.*}}, !tbaa [[TAG_A_i32:!.*]]
17f4a2713aSLionel Sambuc }
18f4a2713aSLionel Sambuc 
19*0a6a1f1dSLionel Sambuc // CHECK: [[TYPE_INT:!.*]] = !{!"int", [[TYPE_CHAR:!.*]], i64 0}
20*0a6a1f1dSLionel Sambuc // CHECK: [[TYPE_CHAR]] = !{!"omnipotent char", !
21*0a6a1f1dSLionel Sambuc // CHECK: [[TAG_A_i32]] = !{[[TYPE_A:!.*]], [[TYPE_INT]], i64 0}
22*0a6a1f1dSLionel Sambuc // CHECK: [[TYPE_A]] = !{!"?AUStructA@@", [[TYPE_INT]], i64 0}
23