1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -tsan -S | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker; Check that vtable pointer updates are treated in a special way. 3*9880d681SAndroid Build Coastguard Workertarget 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*9880d681SAndroid Build Coastguard Worker 5*9880d681SAndroid Build Coastguard Workerdefine void @Foo(i8** nocapture %a, i8* %b) nounwind uwtable sanitize_thread { 6*9880d681SAndroid Build Coastguard Workerentry: 7*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @Foo 8*9880d681SAndroid Build Coastguard Worker; CHECK: call void @__tsan_vptr_update 9*9880d681SAndroid Build Coastguard Worker; CHECK: ret void 10*9880d681SAndroid Build Coastguard Worker store i8* %b, i8** %a, align 8, !tbaa !0 11*9880d681SAndroid Build Coastguard Worker ret void 12*9880d681SAndroid Build Coastguard Worker} 13*9880d681SAndroid Build Coastguard Worker 14*9880d681SAndroid Build Coastguard Workerdefine void @FooInt(i64* nocapture %a, i64 %b) nounwind uwtable sanitize_thread { 15*9880d681SAndroid Build Coastguard Workerentry: 16*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @FooInt 17*9880d681SAndroid Build Coastguard Worker; CHECK: call void @__tsan_vptr_update 18*9880d681SAndroid Build Coastguard Worker; CHECK: ret void 19*9880d681SAndroid Build Coastguard Worker store i64 %b, i64* %a, align 8, !tbaa !0 20*9880d681SAndroid Build Coastguard Worker ret void 21*9880d681SAndroid Build Coastguard Worker} 22*9880d681SAndroid Build Coastguard Worker 23*9880d681SAndroid Build Coastguard Worker 24*9880d681SAndroid Build Coastguard Workerdeclare i32 @Func1() 25*9880d681SAndroid Build Coastguard Workerdeclare i32 @Func2() 26*9880d681SAndroid Build Coastguard Worker 27*9880d681SAndroid Build Coastguard Worker; Test that we properly handle vector stores marked as vtable updates. 28*9880d681SAndroid Build Coastguard Workerdefine void @VectorVptrUpdate(<2 x i8*>* nocapture %a, i8* %b) nounwind uwtable sanitize_thread { 29*9880d681SAndroid Build Coastguard Workerentry: 30*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @VectorVptrUpdate 31*9880d681SAndroid Build Coastguard Worker; CHECK: call void @__tsan_vptr_update{{.*}}Func1 32*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: call void @__tsan_vptr_update 33*9880d681SAndroid Build Coastguard Worker; CHECK: ret void 34*9880d681SAndroid Build Coastguard Worker store <2 x i8 *> <i8* bitcast(i32 ()* @Func1 to i8 *), i8* bitcast(i32 ()* @Func2 to i8 *)>, <2 x i8 *>* %a, align 8, !tbaa !0 35*9880d681SAndroid Build Coastguard Worker ret void 36*9880d681SAndroid Build Coastguard Worker} 37*9880d681SAndroid Build Coastguard Worker 38*9880d681SAndroid Build Coastguard Worker!0 = !{!2, !2, i64 0} 39*9880d681SAndroid Build Coastguard Worker!1 = !{!"Simple C/C++ TBAA", null} 40*9880d681SAndroid Build Coastguard Worker!2 = !{!"vtable pointer", !1} 41