1; RUN: opt -S -wholeprogramdevirt -whole-program-visibility %s | FileCheck %s
2
3target datalayout = "e-p:64:64"
4target triple = "x86_64-unknown-linux-gnu"
5
6@vt1 = constant [1 x i8*] [i8* bitcast (i32 (i8*)* @vf1 to i8*)], !type !0
7@vt2 = constant [1 x i8*] [i8* bitcast (i32 (i8*)* @vf2 to i8*)], !type !0
8
9define i32 @vf1(i8* %this) readnone {
10  %this_int = ptrtoint i8* %this to i32
11  ret i32 %this_int
12}
13
14define i32 @vf2(i8* %this) readnone {
15  %this_int = ptrtoint i8* %this to i32
16  ret i32 %this_int
17}
18
19; CHECK: define i32 @call
20define i32 @call(i8* %obj) {
21  %vtableptr = bitcast i8* %obj to [1 x i8*]**
22  %vtable = load [1 x i8*]*, [1 x i8*]** %vtableptr
23  %vtablei8 = bitcast [1 x i8*]* %vtable to i8*
24  %p = call i1 @llvm.type.test(i8* %vtablei8, metadata !"typeid")
25  call void @llvm.assume(i1 %p)
26  %fptrptr = getelementptr [1 x i8*], [1 x i8*]* %vtable, i32 0, i32 0
27  %fptr = load i8*, i8** %fptrptr
28  %fptr_casted = bitcast i8* %fptr to i32 (i8*)*
29  ; CHECK: call i32 %
30  %result = call i32 %fptr_casted(i8* %obj)
31  ret i32 %result
32}
33
34declare i1 @llvm.type.test(i8*, metadata)
35declare void @llvm.assume(i1)
36
37!0 = !{i32 0, !"typeid"}
38