| ; RUN: opt < %s -tsan -S | FileCheck %s |
| ; Check that vtable pointer updates are treated in a special way. |
| target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" |
| |
| define void @Foo(i8** nocapture %a, i8* %b) nounwind uwtable sanitize_thread { |
| entry: |
| ; CHECK: call void @__tsan_vptr_update |
| store i8* %b, i8** %a, align 8, !tbaa !0 |
| ret void |
| } |
| !0 = metadata !{metadata !2, metadata !2, i64 0} |
| !1 = metadata !{metadata !"Simple C/C++ TBAA", null} |
| !2 = metadata !{metadata !"vtable pointer", metadata !1} |
