1 ; RUN: opt < %s -tsan -S | FileCheck %s 2 ; Check that vptr reads are treated in a special way. 3 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" 4 5 define i8 @Foo(i8* %a) nounwind uwtable sanitize_thread { 6 entry: 7 ; CHECK: call void @__tsan_vptr_read 8 %0 = load i8* %a, align 8, !tbaa !0 9 ret i8 %0 10 } 11 !0 = metadata !{metadata !2, metadata !2, i64 0} 12 !1 = metadata !{metadata !"Simple C/C++ TBAA", null} 13 !2 = metadata !{metadata !"vtable pointer", metadata !1} 14
