1target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
2target triple = "x86_64-grtev4-linux-gnu"
3
4source_filename = "-"
5
6%struct.A = type { i32 (...)** }
7%struct.B = type { %struct.A }
8
9$_ZTV1B = comdat any
10
11@_ZTV1B = constant { [4 x i8*] } { [4 x i8*] [i8* null, i8* undef, i8* bitcast (i32 (%struct.B*, i32)* @_ZN1B1fEi to i8*), i8* bitcast (i32 (%struct.A*, i32)* @_ZN1A1nEi to i8*)] }, comdat, !type !0, !type !1
12
13define i32 @_ZN1B1fEi(%struct.B* %this, i32 %a) #0 comdat($_ZTV1B) {
14   ret i32 0;
15}
16
17define i32 @_ZN1A1nEi(%struct.A* %this, i32 %a) #0 comdat($_ZTV1B) {
18   ret i32 0;
19}
20
21define i32 @test2(%struct.B* %obj, i32 %a) {
22entry:
23  %0 = bitcast %struct.B* %obj to i8***
24  %vtable2 = load i8**, i8*** %0
25  %1 = bitcast i8** %vtable2 to i8*
26  %p2 = call i1 @llvm.type.test(i8* %1, metadata !"_ZTS1B")
27  call void @llvm.assume(i1 %p2)
28
29  %fptrptr = getelementptr i8*, i8** %vtable2, i32 1
30  %2 = bitcast i8** %fptrptr to i32 (%struct.B*, i32)**
31  %fptr33 = load i32 (%struct.B*, i32)*, i32 (%struct.B*, i32)** %2, align 8
32
33  %call4 = tail call i32 %fptr33(%struct.B* nonnull %obj, i32 %a)
34  ret i32 %call4
35}
36
37attributes #0 = { noinline optnone }
38
39declare i1 @llvm.type.test(i8*, metadata)
40declare void @llvm.assume(i1)
41
42!0 = !{i64 16, !"_ZTS1A"}
43!1 = !{i64 16, !"_ZTS1B"}
44