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https://github.com/RPCS3/llvm-mirror.git
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95 lines
3.1 KiB
LLVM
95 lines
3.1 KiB
LLVM
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; RUN: opt < %s -globaldce -S | FileCheck %s
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; structs A, B and C have vcall_visibility of public, linkage-unit and
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; translation-unit respectively. This test is run before LTO linking occurs
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; (the LTOPostLink metadata is not present), so only C can be VFE'd.
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target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
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%struct.A = type { i32 (...)** }
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@_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
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define internal void @_ZN1AC2Ev(%struct.A* %this) {
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entry:
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%0 = getelementptr inbounds %struct.A, %struct.A* %this, i64 0, i32 0
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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
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ret void
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}
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; CHECK: define {{.*}} @_ZN1A3fooEv(
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define internal 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 dso_local i8* @_Z6make_Av() {
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entry:
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%call = tail call i8* @_Znwm(i64 8)
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%0 = bitcast i8* %call to %struct.A*
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tail call void @_ZN1AC2Ev(%struct.A* %0)
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ret i8* %call
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}
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%struct.B = type { i32 (...)** }
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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 !0, !type !1, !vcall_visibility !3
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define internal void @_ZN1BC2Ev(%struct.B* %this) {
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entry:
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%0 = getelementptr inbounds %struct.B, %struct.B* %this, i64 0, i32 0
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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
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ret void
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}
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; CHECK: define {{.*}} @_ZN1B3fooEv(
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define internal 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 dso_local i8* @_Z6make_Bv() {
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entry:
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%call = tail call i8* @_Znwm(i64 8)
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%0 = bitcast i8* %call to %struct.B*
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tail call void @_ZN1BC2Ev(%struct.B* %0)
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ret i8* %call
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}
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%struct.C = type { i32 (...)** }
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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 !0, !type !1, !vcall_visibility !4
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define internal void @_ZN1CC2Ev(%struct.C* %this) {
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entry:
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%0 = getelementptr inbounds %struct.C, %struct.C* %this, i64 0, i32 0
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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
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ret void
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}
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; CHECK-NOT: define {{.*}} @_ZN1C3fooEv(
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define internal 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 dso_local i8* @_Z6make_Cv() {
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entry:
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%call = tail call i8* @_Znwm(i64 8)
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%0 = bitcast i8* %call to %struct.C*
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tail call void @_ZN1CC2Ev(%struct.C* %0)
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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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!llvm.module.flags = !{}
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!0 = !{i64 16, !"_ZTS1A"}
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!1 = !{i64 16, !"_ZTSM1AFvvE.virtual"}
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!2 = !{i64 0} ; public vcall visibility
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!3 = !{i64 1} ; linkage-unit vcall visibility
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!4 = !{i64 2} ; translation-unit vcall visibility
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