1 ; RUN: opt < %s -globaldce -S | FileCheck %s
3 ; structs A, B and C have vcall_visibility of public, linkage-unit and
4 ; translation-unit respectively. This test is run after LTO linking (the
5 ; LTOPostLink metadata is present), so B and C can be VFE'd.
7 target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
9 %struct.A = type { i32 (...)** }
11 @_ZTV1A = hidden unnamed_addr constant { [3 x i8*] } { [3 x i8*] [i8* null, i8* null, i8* bitcast (void (%struct.A*)* @_ZN1A3fooEv to i8*)] }, align 8, !type !0, !type !1, !vcall_visibility !2
13 define internal void @_ZN1AC2Ev(%struct.A* %this) {
15 %0 = getelementptr inbounds %struct.A, %struct.A* %this, i64 0, i32 0
16 store i32 (...)** bitcast (i8** getelementptr inbounds ({ [3 x i8*] }, { [3 x i8*] }* @_ZTV1A, i64 0, inrange i32 0, i64 2) to i32 (...)**), i32 (...)*** %0, align 8
20 ; CHECK: define {{.*}} @_ZN1A3fooEv(
21 define internal void @_ZN1A3fooEv(%struct.A* nocapture %this) {
26 define dso_local i8* @_Z6make_Av() {
28 %call = tail call i8* @_Znwm(i64 8)
29 %0 = bitcast i8* %call to %struct.A*
30 tail call void @_ZN1AC2Ev(%struct.A* %0)
35 %struct.B = type { i32 (...)** }
37 @_ZTV1B = hidden unnamed_addr constant { [3 x i8*] } { [3 x i8*] [i8* null, i8* null, i8* bitcast (void (%struct.B*)* @_ZN1B3fooEv to i8*)] }, align 8, !type !0, !type !1, !vcall_visibility !3
39 define internal void @_ZN1BC2Ev(%struct.B* %this) {
41 %0 = getelementptr inbounds %struct.B, %struct.B* %this, i64 0, i32 0
42 store i32 (...)** bitcast (i8** getelementptr inbounds ({ [3 x i8*] }, { [3 x i8*] }* @_ZTV1B, i64 0, inrange i32 0, i64 2) to i32 (...)**), i32 (...)*** %0, align 8
46 ; CHECK-NOT: define {{.*}} @_ZN1B3fooEv(
47 define internal void @_ZN1B3fooEv(%struct.B* nocapture %this) {
52 define dso_local i8* @_Z6make_Bv() {
54 %call = tail call i8* @_Znwm(i64 8)
55 %0 = bitcast i8* %call to %struct.B*
56 tail call void @_ZN1BC2Ev(%struct.B* %0)
61 %struct.C = type { i32 (...)** }
63 @_ZTV1C = hidden unnamed_addr constant { [3 x i8*] } { [3 x i8*] [i8* null, i8* null, i8* bitcast (void (%struct.C*)* @_ZN1C3fooEv to i8*)] }, align 8, !type !0, !type !1, !vcall_visibility !4
65 define internal void @_ZN1CC2Ev(%struct.C* %this) {
67 %0 = getelementptr inbounds %struct.C, %struct.C* %this, i64 0, i32 0
68 store i32 (...)** bitcast (i8** getelementptr inbounds ({ [3 x i8*] }, { [3 x i8*] }* @_ZTV1C, i64 0, inrange i32 0, i64 2) to i32 (...)**), i32 (...)*** %0, align 8
72 ; CHECK-NOT: define {{.*}} @_ZN1C3fooEv(
73 define internal void @_ZN1C3fooEv(%struct.C* nocapture %this) {
78 define dso_local i8* @_Z6make_Cv() {
80 %call = tail call i8* @_Znwm(i64 8)
81 %0 = bitcast i8* %call to %struct.C*
82 tail call void @_ZN1CC2Ev(%struct.C* %0)
86 declare dso_local noalias nonnull i8* @_Znwm(i64)
88 !llvm.module.flags = !{!5}
90 !0 = !{i64 16, !"_ZTS1A"}
91 !1 = !{i64 16, !"_ZTSM1AFvvE.virtual"}
92 !2 = !{i64 0} ; public vcall visibility
93 !3 = !{i64 1} ; linkage-unit vcall visibility
94 !4 = !{i64 2} ; translation-unit vcall visibility
95 !5 = !{i32 1, !"LTOPostLink", i32 1}