; RUN: opt < %s -passes=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(ptr nocapture %a, ptr %b) nounwind uwtable sanitize_thread { entry: ; CHECK-LABEL: @Foo ; CHECK: call void @__tsan_vptr_update ; CHECK: ret void store ptr %b, ptr %a, align 8, !tbaa !0 ret void } define void @FooInt(ptr nocapture %a, i64 %b) nounwind uwtable sanitize_thread { entry: ; CHECK-LABEL: @FooInt ; CHECK: call void @__tsan_vptr_update ; CHECK: ret void store i64 %b, ptr %a, align 8, !tbaa !0 ret void } declare i32 @Func1() declare i32 @Func2() ; Test that we properly handle vector stores marked as vtable updates. define void @VectorVptrUpdate(ptr nocapture %a, ptr %b) nounwind uwtable sanitize_thread { entry: ; CHECK-LABEL: @VectorVptrUpdate ; CHECK: call void @__tsan_vptr_update{{.*}}Func1 ; CHECK-NOT: call void @__tsan_vptr_update ; CHECK: ret void store <2 x ptr> , ptr %a, align 8, !tbaa !0 ret void } !0 = !{!2, !2, i64 0} !1 = !{!"Simple C/C++ TBAA"} !2 = !{!"vtable pointer", !1}