65 lines
2.4 KiB
LLVM
65 lines
2.4 KiB
LLVM
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; RUN: opt < %s -internalize -S | FileCheck %s
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%struct.A = type { i32 (...)** }
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%struct.B = type { i32 (...)** }
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%struct.C = type { i32 (...)** }
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; Class A has default visibility, so has no !vcall_visibility metadata before
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; or after LTO.
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; CHECK-NOT: @_ZTV1A = {{.*}}!vcall_visibility
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@_ZTV1A = dso_local 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
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; Class B has hidden visibility but public LTO visibility, so has no
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; !vcall_visibility metadata before or after LTO.
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; CHECK-NOT: @_ZTV1B = {{.*}}!vcall_visibility
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@_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 !2, !type !3
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; Class C has hidden visibility, so the !vcall_visibility metadata is set to 1
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; (linkage unit) before LTO, and 2 (translation unit) after LTO.
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; CHECK: @_ZTV1C ={{.*}}!vcall_visibility [[MD_TU_VIS:![0-9]+]]
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@_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 !4, !type !5, !vcall_visibility !6
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; Class D has translation unit visibility before LTO, and this is not changed
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; by LTO.
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; CHECK: @_ZTVN12_GLOBAL__N_11DE = {{.*}}!vcall_visibility [[MD_TU_VIS:![0-9]+]]
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@_ZTVN12_GLOBAL__N_11DE = internal unnamed_addr constant { [3 x i8*] } zeroinitializer, align 8, !type !7, !type !9, !vcall_visibility !11
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define dso_local void @_ZN1A3fooEv(%struct.A* nocapture %this) {
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entry:
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ret void
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}
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define hidden void @_ZN1B3fooEv(%struct.B* nocapture %this) {
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entry:
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ret void
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}
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define hidden void @_ZN1C3fooEv(%struct.C* nocapture %this) {
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entry:
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ret void
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}
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define hidden noalias nonnull i8* @_Z6make_dv() {
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entry:
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%call = tail call i8* @_Znwm(i64 8) #3
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%0 = bitcast i8* %call to i32 (...)***
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store i32 (...)** bitcast (i8** getelementptr inbounds ({ [3 x i8*] }, { [3 x i8*] }* @_ZTVN12_GLOBAL__N_11DE, i64 0, inrange i32 0, i64 2) to i32 (...)**), i32 (...)*** %0, align 8
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ret i8* %call
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}
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declare dso_local noalias nonnull i8* @_Znwm(i64)
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; CHECK: [[MD_TU_VIS]] = !{i64 2}
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!0 = !{i64 16, !"_ZTS1A"}
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!1 = !{i64 16, !"_ZTSM1AFvvE.virtual"}
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!2 = !{i64 16, !"_ZTS1B"}
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!3 = !{i64 16, !"_ZTSM1BFvvE.virtual"}
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!4 = !{i64 16, !"_ZTS1C"}
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!5 = !{i64 16, !"_ZTSM1CFvvE.virtual"}
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!6 = !{i64 1}
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!7 = !{i64 16, !8}
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!8 = distinct !{}
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!9 = !{i64 16, !10}
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!10 = distinct !{}
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!11 = !{i64 2}
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