| ; RUN: opt < %s -passes=internalize -S | FileCheck %s |
| |
| %struct.A = type { ptr } |
| %struct.B = type { ptr } |
| %struct.C = type { ptr } |
| |
| ; Class A has default visibility, so has no !vcall_visibility metadata before |
| ; or after LTO. |
| ; CHECK-NOT: @_ZTV1A = {{.*}}!vcall_visibility |
| @_ZTV1A = dso_local unnamed_addr constant { [3 x ptr] } { [3 x ptr] [ptr null, ptr null, ptr @_ZN1A3fooEv] }, align 8, !type !0, !type !1 |
| |
| ; Class B has hidden visibility but public LTO visibility, so has no |
| ; !vcall_visibility metadata before or after LTO. |
| ; CHECK-NOT: @_ZTV1B = {{.*}}!vcall_visibility |
| @_ZTV1B = hidden unnamed_addr constant { [3 x ptr] } { [3 x ptr] [ptr null, ptr null, ptr @_ZN1B3fooEv] }, align 8, !type !2, !type !3 |
| |
| ; Class C has hidden visibility, so the !vcall_visibility metadata is set to 1 |
| ; (linkage unit) before LTO, and 2 (translation unit) after LTO. |
| ; CHECK: @_ZTV1C ={{.*}}!vcall_visibility [[MD_TU_VIS:![0-9]+]] |
| @_ZTV1C = hidden unnamed_addr constant { [3 x ptr] } { [3 x ptr] [ptr null, ptr null, ptr @_ZN1C3fooEv] }, align 8, !type !4, !type !5, !vcall_visibility !6 |
| |
| ; Class D has translation unit visibility before LTO, and this is not changed |
| ; by LTO. |
| ; CHECK: @_ZTVN12_GLOBAL__N_11DE = {{.*}}!vcall_visibility [[MD_TU_VIS:![0-9]+]] |
| @_ZTVN12_GLOBAL__N_11DE = internal unnamed_addr constant { [3 x ptr] } zeroinitializer, align 8, !type !7, !type !9, !vcall_visibility !11 |
| |
| define dso_local void @_ZN1A3fooEv(ptr nocapture %this) { |
| entry: |
| ret void |
| } |
| |
| define hidden void @_ZN1B3fooEv(ptr nocapture %this) { |
| entry: |
| ret void |
| } |
| |
| define hidden void @_ZN1C3fooEv(ptr nocapture %this) { |
| entry: |
| ret void |
| } |
| |
| define hidden noalias nonnull ptr @_Z6make_dv() { |
| entry: |
| %call = tail call ptr @_Znwm(i64 8) #3 |
| store ptr getelementptr inbounds ({ [3 x ptr] }, ptr @_ZTVN12_GLOBAL__N_11DE, i64 0, inrange i32 0, i64 2), ptr %call, align 8 |
| ret ptr %call |
| } |
| |
| declare dso_local noalias nonnull ptr @_Znwm(i64) |
| |
| ; CHECK: [[MD_TU_VIS]] = !{i64 2} |
| !0 = !{i64 16, !"_ZTS1A"} |
| !1 = !{i64 16, !"_ZTSM1AFvvE.virtual"} |
| !2 = !{i64 16, !"_ZTS1B"} |
| !3 = !{i64 16, !"_ZTSM1BFvvE.virtual"} |
| !4 = !{i64 16, !"_ZTS1C"} |
| !5 = !{i64 16, !"_ZTSM1CFvvE.virtual"} |
| !6 = !{i64 1} |
| !7 = !{i64 16, !8} |
| !8 = distinct !{} |
| !9 = !{i64 16, !10} |
| !10 = distinct !{} |
| !11 = !{i64 2} |