1 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 2 target triple = "x86_64-grtev4-linux-gnu" 3 4 %struct.B2 = type { %struct.A2 } 5 %struct.A2 = type { i32 (...)** } 6 7 @_ZTV1B2 = constant { [3 x i8*] } { [3 x i8*] [i8* undef, i8* undef, i8* undef] }, !type !0 8 9 define void @test2(i8* %b) { 10 entry: 11 %0 = bitcast i8* %b to i8** 12 %vtable2 = load i8*, i8** %0 13 %1 = tail call i1 @llvm.type.test(i8* %vtable2, metadata !"_ZTS1A2") 14 br i1 %1, label %cont, label %trap 15 16 trap: 17 tail call void @llvm.trap() 18 unreachable 19 20 cont: 21 ret void 22 } 23 24 declare i1 @llvm.type.test(i8*, metadata) 25 declare void @llvm.trap() 26 27 !0 = !{i64 16, !"_ZTS1A2"} 28 !1 = !{i64 16, !"_ZTS1B2"} 29
