1 ; RUN: opt -S -wholeprogramdevirt -pass-remarks=wholeprogramdevirt %s 2>&1 | FileCheck %s
3 target datalayout = "e-p:64:64"
4 target triple = "x86_64-unknown-linux-gnu"
6 ; CHECK: remark: <unknown>:0:0: single-impl: devirtualized a call to vf
7 ; CHECK: remark: <unknown>:0:0: devirtualized vf
8 ; CHECK-NOT: devirtualized
10 @vt1 = constant [1 x i8*] [i8* bitcast (void (i8*)* @vf to i8*)], !type !0
11 @vt2 = constant [1 x i8*] [i8* bitcast (void (i8*)* @vf to i8*)], !type !0
13 define void @vf(i8* %this) {
17 ; CHECK: define void @call
18 define void @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 %pair = call {i8*, i1} @llvm.type.checked.load(i8* %vtablei8, i32 0, metadata !"typeid")
23 %fptr = extractvalue {i8*, i1} %pair, 0
24 %p = extractvalue {i8*, i1} %pair, 1
26 br i1 %p, label %cont, label %trap
29 %fptr_casted = bitcast i8* %fptr to void (i8*)*
30 ; CHECK: call void @vf(
31 call void %fptr_casted(i8* %obj)
35 call void @llvm.trap()
39 declare {i8*, i1} @llvm.type.checked.load(i8*, i32, metadata)
40 declare void @llvm.trap()
42 !0 = !{i32 0, !"typeid"}