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 4%struct.A = type { ptr } 5%struct.B = type { %struct.A } 6 7@_ZTV1B = constant { [4 x ptr] } { [4 x ptr] [ptr null, ptr undef, ptr @_ZN1B1fEi, ptr @_ZN1A1nEi] }, !type !0, !type !1 8 9define i32 @_ZN1B1fEi(ptr %this, i32 %a) #0 { 10 ret i32 0; 11} 12 13define internal i32 @_ZN1A1nEi(ptr %this, i32 %a) #0 { 14 ret i32 0; 15} 16 17define i32 @test2(ptr %obj, i32 %a) { 18entry: 19 %vtable2 = load ptr, ptr %obj 20 %p2 = call i1 @llvm.type.test(ptr %vtable2, metadata !"_ZTS1B") 21 call void @llvm.assume(i1 %p2) 22 23 %fptrptr = getelementptr ptr, ptr %vtable2, i32 1 24 %fptr33 = load ptr, ptr %fptrptr, align 8 25 26 %call4 = tail call i32 %fptr33(ptr nonnull %obj, i32 %a) 27 ret i32 %call4 28} 29 30attributes #0 = { noinline optnone } 31 32declare i1 @llvm.type.test(ptr, metadata) 33declare void @llvm.assume(i1) 34 35!0 = !{i64 16, !"_ZTS1A"} 36!1 = !{i64 16, !"_ZTS1B"} 37