1 // RUN: %clang_cc1 -triple i686-pc-win32 -disable-llvm-passes -emit-llvm -o - -O1 %s | FileCheck %s -check-prefixes=CHECK,OLD-PATH 2 // 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 3 // 4 // Test that TBAA works in the Microsoft C++ ABI. We used to error out while 5 // attempting to mangle RTTI. 6 7 struct StructA { 8 int a; 9 }; 10 11 struct StructB : virtual StructA { 12 StructB(); 13 }; 14 15 StructB::StructB() { 16 a = 42; 17 // CHECK: store i32 42, i32* {{.*}}, !tbaa [[TAG_A_i32:!.*]] 18 } 19 20 // OLD-PATH: [[TYPE_INT:!.*]] = !{!"int", [[TYPE_CHAR:!.*]], i64 0} 21 // OLD-PATH: [[TYPE_CHAR]] = !{!"omnipotent char", ! 22 // OLD-PATH: [[TAG_A_i32]] = !{[[TYPE_A:!.*]], [[TYPE_INT]], i64 0} 23 // OLD-PATH: [[TYPE_A]] = !{!"?AUStructA@@", [[TYPE_INT]], i64 0} 24 // NEW-PATH: [[TYPE_INT:!.*]] = !{[[TYPE_CHAR:!.*]], i64 4, !"int"} 25 // NEW-PATH: [[TYPE_CHAR]] = !{{{.*}}, i64 1, !"omnipotent char"} 26 // NEW-PATH: [[TAG_A_i32]] = !{[[TYPE_A:!.*]], [[TYPE_INT]], i64 0, i64 4} 27 // NEW-PATH: [[TYPE_A]] = !{[[TYPE_CHAR]], i64 4, !"?AUStructA@@", [[TYPE_INT]], i64 0, i64 4} 28