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  ret i32 123
11}
12
13define i32 @vf2(i8* %this) readnone {
14  ret i32 123
15}
16
17; CHECK: define i32 @call
18define i32 @call(i8* %obj) personality i8* undef {
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 (i8*)*
27  ; CHECK: br label %[[RET:[0-9A-Za-z]*]]
28  %result = invoke i32 %fptr_casted(i8* %obj) to label %ret unwind label %unwind
29
30unwind:
31  %x = landingpad i32 cleanup
32  unreachable
33
34ret:
35  ; CHECK: [[RET]]:
36  ; CHECK-NEXT: ret i32 123
37  ret i32 %result
38}
39
40declare i1 @llvm.type.test(i8*, metadata)
41declare void @llvm.assume(i1)
42
43!0 = !{i32 0, !"typeid"}
44