1 ; RUN: opt -S -wholeprogramdevirt %s | FileCheck %s
3 target datalayout = "e-p:64:64"
4 target triple = "x86_64-unknown-linux-gnu"
6 ; CHECK: [[VT1DATA:@[^ ]*]] = private constant { [8 x i8], [3 x i8*], [0 x i8] } { [8 x i8] c"\00\00\00\01\01\00\00\00", [3 x i8*] [i8* bitcast (i1 (i8*)* @vf0i1 to i8*), i8* bitcast (i1 (i8*)* @vf1i1 to i8*), i8* bitcast (i32 (i8*)* @vf1i32 to i8*)], [0 x i8] zeroinitializer }, section "vt1sec", !type [[T8:![0-9]+]]
7 @vt1 = constant [3 x i8*] [
8 i8* bitcast (i1 (i8*)* @vf0i1 to i8*),
9 i8* bitcast (i1 (i8*)* @vf1i1 to i8*),
10 i8* bitcast (i32 (i8*)* @vf1i32 to i8*)
11 ], section "vt1sec", !type !0
13 ; CHECK: [[VT2DATA:@[^ ]*]] = private constant { [8 x i8], [3 x i8*], [0 x i8] } { [8 x i8] c"\00\00\00\02\02\00\00\00", [3 x i8*] [i8* bitcast (i1 (i8*)* @vf1i1 to i8*), i8* bitcast (i1 (i8*)* @vf0i1 to i8*), i8* bitcast (i32 (i8*)* @vf2i32 to i8*)], [0 x i8] zeroinitializer }, !type [[T8]]
14 @vt2 = constant [3 x i8*] [
15 i8* bitcast (i1 (i8*)* @vf1i1 to i8*),
16 i8* bitcast (i1 (i8*)* @vf0i1 to i8*),
17 i8* bitcast (i32 (i8*)* @vf2i32 to i8*)
20 ; CHECK: [[VT3DATA:@[^ ]*]] = private constant { [5 x i8], [3 x i8*], [0 x i8] } { [5 x i8] c"\01\03\00\00\00", [3 x i8*] [i8* bitcast (i1 (i8*)* @vf0i1 to i8*), i8* bitcast (i1 (i8*)* @vf1i1 to i8*), i8* bitcast (i32 (i8*)* @vf3i32 to i8*)], [0 x i8] zeroinitializer }, align 1, !type [[T5:![0-9]+]]
21 @vt3 = constant [3 x i8*] [
22 i8* bitcast (i1 (i8*)* @vf0i1 to i8*),
23 i8* bitcast (i1 (i8*)* @vf1i1 to i8*),
24 i8* bitcast (i32 (i8*)* @vf3i32 to i8*)
27 ; CHECK: [[VT4DATA:@[^ ]*]] = private constant { [16 x i8], [3 x i8*], [0 x i8] } { [16 x i8] c"\00\00\00\00\00\00\00\00\00\00\00\02\04\00\00\00", [3 x i8*] [i8* bitcast (i1 (i8*)* @vf1i1 to i8*), i8* bitcast (i1 (i8*)* @vf0i1 to i8*), i8* bitcast (i32 (i8*)* @vf4i32 to i8*)], [0 x i8] zeroinitializer }, align 16, !type [[T16:![0-9]+]]
28 @vt4 = constant [3 x i8*] [
29 i8* bitcast (i1 (i8*)* @vf1i1 to i8*),
30 i8* bitcast (i1 (i8*)* @vf0i1 to i8*),
31 i8* bitcast (i32 (i8*)* @vf4i32 to i8*)
34 ; CHECK: @vt5 = {{.*}}, !type [[T0:![0-9]+]]
35 @vt5 = constant [3 x i8*] [
36 i8* bitcast (void ()* @__cxa_pure_virtual to i8*),
37 i8* bitcast (void ()* @__cxa_pure_virtual to i8*),
38 i8* bitcast (void ()* @__cxa_pure_virtual to i8*)
41 ; CHECK: @vt1 = alias [3 x i8*], getelementptr inbounds ({ [8 x i8], [3 x i8*], [0 x i8] }, { [8 x i8], [3 x i8*], [0 x i8] }* [[VT1DATA]], i32 0, i32 1)
42 ; CHECK: @vt2 = alias [3 x i8*], getelementptr inbounds ({ [8 x i8], [3 x i8*], [0 x i8] }, { [8 x i8], [3 x i8*], [0 x i8] }* [[VT2DATA]], i32 0, i32 1)
43 ; CHECK: @vt3 = alias [3 x i8*], getelementptr inbounds ({ [5 x i8], [3 x i8*], [0 x i8] }, { [5 x i8], [3 x i8*], [0 x i8] }* [[VT3DATA]], i32 0, i32 1)
44 ; CHECK: @vt4 = alias [3 x i8*], getelementptr inbounds ({ [16 x i8], [3 x i8*], [0 x i8] }, { [16 x i8], [3 x i8*], [0 x i8] }* [[VT4DATA]], i32 0, i32 1)
46 define i1 @vf0i1(i8* %this) readnone {
50 define i1 @vf1i1(i8* %this) readnone {
54 define i32 @vf1i32(i8* %this) readnone {
58 define i32 @vf2i32(i8* %this) readnone {
62 define i32 @vf3i32(i8* %this) readnone {
66 define i32 @vf4i32(i8* %this) readnone {
70 ; CHECK: define i1 @call1(
71 define i1 @call1(i8* %obj) {
72 %vtableptr = bitcast i8* %obj to [3 x i8*]**
73 %vtable = load [3 x i8*]*, [3 x i8*]** %vtableptr
74 ; CHECK: {{.*}} = bitcast [3 x i8*]* {{.*}} to i8*
75 ; CHECK: [[VT1:%[^ ]*]] = bitcast [3 x i8*]* {{.*}} to i8*
76 %vtablei8 = bitcast [3 x i8*]* %vtable to i8*
77 %p = call i1 @llvm.type.test(i8* %vtablei8, metadata !"typeid")
78 call void @llvm.assume(i1 %p)
79 %fptrptr = getelementptr [3 x i8*], [3 x i8*]* %vtable, i32 0, i32 0
80 %fptr = load i8*, i8** %fptrptr
81 %fptr_casted = bitcast i8* %fptr to i1 (i8*)*
82 ; CHECK: [[VTGEP1:%[^ ]*]] = getelementptr i8, i8* [[VT1]], i32 -5
83 ; CHECK: [[VTLOAD1:%[^ ]*]] = load i8, i8* [[VTGEP1]]
84 ; CHECK: [[VTAND1:%[^ ]*]] = and i8 [[VTLOAD1]], 2
85 ; CHECK: [[VTCMP1:%[^ ]*]] = icmp ne i8 [[VTAND1]], 0
86 %result = call i1 %fptr_casted(i8* %obj)
87 ; CHECK: ret i1 [[VTCMP1]]
91 ; CHECK: define i1 @call2(
92 define i1 @call2(i8* %obj) {
93 %vtableptr = bitcast i8* %obj to [3 x i8*]**
94 %vtable = load [3 x i8*]*, [3 x i8*]** %vtableptr
95 ; CHECK: {{.*}} = bitcast [3 x i8*]* {{.*}} to i8*
96 ; CHECK: [[VT2:%[^ ]*]] = bitcast [3 x i8*]* {{.*}} to i8*
97 %vtablei8 = bitcast [3 x i8*]* %vtable to i8*
98 %p = call i1 @llvm.type.test(i8* %vtablei8, metadata !"typeid")
99 call void @llvm.assume(i1 %p)
100 %fptrptr = getelementptr [3 x i8*], [3 x i8*]* %vtable, i32 0, i32 1
101 %fptr = load i8*, i8** %fptrptr
102 %fptr_casted = bitcast i8* %fptr to i1 (i8*)*
103 ; CHECK: [[VTGEP2:%[^ ]*]] = getelementptr i8, i8* [[VT2]], i32 -5
104 ; CHECK: [[VTLOAD2:%[^ ]*]] = load i8, i8* [[VTGEP2]]
105 ; CHECK: [[VTAND2:%[^ ]*]] = and i8 [[VTLOAD2]], 1
106 ; CHECK: [[VTCMP2:%[^ ]*]] = icmp ne i8 [[VTAND2]], 0
107 %result = call i1 %fptr_casted(i8* %obj)
108 ; CHECK: ret i1 [[VTCMP2]]
112 ; CHECK: define i32 @call3(
113 define i32 @call3(i8* %obj) {
114 %vtableptr = bitcast i8* %obj to [3 x i8*]**
115 %vtable = load [3 x i8*]*, [3 x i8*]** %vtableptr
116 ; CHECK: {{.*}} = bitcast [3 x i8*]* {{.*}} to i8*
117 ; CHECK: [[VT3:%[^ ]*]] = bitcast [3 x i8*]* {{.*}} to i8*
118 %vtablei8 = bitcast [3 x i8*]* %vtable to i8*
119 %p = call i1 @llvm.type.test(i8* %vtablei8, metadata !"typeid")
120 call void @llvm.assume(i1 %p)
121 %fptrptr = getelementptr [3 x i8*], [3 x i8*]* %vtable, i32 0, i32 2
122 %fptr = load i8*, i8** %fptrptr
123 %fptr_casted = bitcast i8* %fptr to i32 (i8*)*
124 ; CHECK: [[VTGEP3:%[^ ]*]] = getelementptr i8, i8* [[VT3]], i32 -4
125 ; CHECK: [[VTBC3:%[^ ]*]] = bitcast i8* [[VTGEP3]] to i32*
126 ; CHECK: [[VTLOAD3:%[^ ]*]] = load i32, i32* [[VTBC3]]
127 %result = call i32 %fptr_casted(i8* %obj)
128 ; CHECK: ret i32 [[VTLOAD3]]
132 declare i1 @llvm.type.test(i8*, metadata)
133 declare void @llvm.assume(i1)
134 declare void @__cxa_pure_virtual()
136 ; CHECK: [[T8]] = !{i32 8, !"typeid"}
137 ; CHECK: [[T5]] = !{i32 5, !"typeid"}
138 ; CHECK: [[T16]] = !{i32 16, !"typeid"}
139 ; CHECK: [[T0]] = !{i32 0, !"typeid"}
141 !0 = !{i32 0, !"typeid"}