| // RUN: %clang_cc1 -triple i686-pc-win32 -disable-llvm-passes -emit-llvm -o - -O1 %s | FileCheck %s -check-prefixes=CHECK,OLD-PATH |
| // RUN: %clang_cc1 -triple i686-pc-win32 -disable-llvm-passes -emit-llvm -new-struct-path-tbaa -o - -O1 %s | FileCheck %s -check-prefixes=CHECK,NEW-PATH |
| // |
| // 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, ptr {{.*}}, !tbaa [[TAG_A_i32:!.*]] |
| } |
| |
| // OLD-PATH: [[TYPE_INT:!.*]] = !{!"int", [[TYPE_CHAR:!.*]], i64 0} |
| // OLD-PATH: [[TYPE_CHAR]] = !{!"omnipotent char", ! |
| // OLD-PATH: [[TAG_A_i32]] = !{[[TYPE_A:!.*]], [[TYPE_INT]], i64 0} |
| // OLD-PATH: [[TYPE_A]] = !{!"?AUStructA@@", [[TYPE_INT]], i64 0} |
| // NEW-PATH: [[TYPE_INT:!.*]] = !{[[TYPE_CHAR:!.*]], i64 4, !"int"} |
| // NEW-PATH: [[TYPE_CHAR]] = !{{{.*}}, i64 1, !"omnipotent char"} |
| // NEW-PATH: [[TAG_A_i32]] = !{[[TYPE_A:!.*]], [[TYPE_INT]], i64 0, i64 4} |
| // NEW-PATH: [[TYPE_A]] = !{[[TYPE_CHAR]], i64 4, !"?AUStructA@@", [[TYPE_INT]], i64 0, i64 4} |
