1 ; RUN: opt -S -wholeprogramdevirt %s | FileCheck %s
3 target datalayout = "e-p:64:64"
4 target triple = "x86_64-unknown-linux-gnu"
6 @vt1 = constant [1 x i8*] [i8* bitcast (i32 ()* @vf1 to i8*)], !type !0
7 @vt2 = constant [1 x i8*] [i8* bitcast (i32 ()* @vf2 to i8*)], !type !0
9 define i32 @vf1() readnone {
13 define i32 @vf2() readnone {
17 ; CHECK: define i32 @call
18 define i32 @call(i8* %obj) {
19 %vtableptr = bitcast i8* %obj to [1 x i8*]**
20 %vtable = load [1 x i8*]*, [1 x i8*]** %vtableptr
21 %vtablei8 = bitcast [1 x i8*]* %vtable to i8*
22 %p = call i1 @llvm.type.test(i8* %vtablei8, metadata !"typeid")
23 call void @llvm.assume(i1 %p)
24 %fptrptr = getelementptr [1 x i8*], [1 x i8*]* %vtable, i32 0, i32 0
25 %fptr = load i8*, i8** %fptrptr
26 %fptr_casted = bitcast i8* %fptr to i32 ()*
28 %result = call i32 %fptr_casted()
32 declare i1 @llvm.type.test(i8*, metadata)
33 declare void @llvm.assume(i1)
35 !0 = !{i32 0, !"typeid"}