; RUN: opt < %s -tsan -S | FileCheck %s | |
; Check that vptr reads 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 i8 @Foo(i8* %a) nounwind uwtable { | |
entry: | |
; CHECK: call void @__tsan_vptr_read | |
%0 = load i8* %a, align 8, !tbaa !0 | |
ret i8 %0 | |
} | |
!0 = metadata !{metadata !"vtable pointer", metadata !1} | |
!1 = metadata !{metadata !"Simple C/C++ TBAA", null} | |