| ; ModuleID = 'lib.cc' |
| source_filename = "lib.cc" |
| target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| %Derived = type { %Base } |
| %Base = type { i32 (...)** } |
| |
| @_ZTV7Derived = constant { [3 x i8*] } { [3 x i8*] [i8* null, i8* null, i8* bitcast (void (%Derived*)* @_ZN7DerivedD0Ev to i8*)] }, !type !0, !type !1, !vcall_visibility !2 |
| @_ZTV4Base = constant { [3 x i8*] } { [3 x i8*] [i8* null, i8* null, i8* bitcast (void (%Base*)* @_ZN4BaseD0Ev to i8*)] }, !type !0, !vcall_visibility !2 |
| |
| define void @_Z3fooP4Base(%Base* %b) { |
| entry: |
| %0 = bitcast %Base* %b to void (%Base*)*** |
| %vtable = load void (%Base*)**, void (%Base*)*** %0 |
| %1 = bitcast void (%Base*)** %vtable to i8* |
| %2 = tail call i1 @llvm.type.test(i8* %1, metadata !"_ZTS4Base") |
| tail call void @llvm.assume(i1 %2) |
| %vfn = getelementptr inbounds void (%Base*)*, void (%Base*)** %vtable, i64 0 |
| %3 = load void (%Base*)*, void (%Base*)** %vfn |
| tail call void %3(%Base* %b) |
| ret void |
| } |
| |
| declare i1 @llvm.type.test(i8*, metadata) |
| |
| declare void @llvm.assume(i1) |
| |
| define void @_ZN7DerivedD0Ev(%Derived* %this) { |
| ret void |
| } |
| |
| define void @_ZN4BaseD0Ev(%Base* %this) { |
| unreachable |
| } |
| |
| !0 = !{i64 16, !"_ZTS4Base"} |
| !1 = !{i64 16, !"_ZTS7Derived"} |
| !2 = !{i64 1} |