1 ; RUN: opt -S -passes=wholeprogramdevirt -whole-program-visibility %s | FileCheck %s
3 target datalayout = "e-p:64:64"
4 target triple = "x86_64-unknown-linux-gnu"
6 ; CHECK: [[VT1DATA:@[^ ]*]] = private constant { [0 x i8], [4 x ptr], [5 x i8] } { [0 x i8] zeroinitializer, [4 x ptr] [ptr null, ptr @vf0i1, ptr @vf1i1, ptr @vf1i32], [5 x i8] c"\02\01\00\00\00" }, !type [[T8:![0-9]+]]
7 @vt1 = constant [4 x ptr] [
14 ; CHECK: [[VT2DATA:@[^ ]*]] = private constant { [0 x i8], [3 x ptr], [5 x i8] } { [0 x i8] zeroinitializer, [3 x ptr] [ptr @vf1i1, ptr @vf0i1, ptr @vf2i32], [5 x i8] c"\01\02\00\00\00" }, !type [[T0:![0-9]+]]
15 @vt2 = constant [3 x ptr] [
21 ; CHECK: [[VT3DATA:@[^ ]*]] = private constant { [0 x i8], [4 x ptr], [5 x i8] } { [0 x i8] zeroinitializer, [4 x ptr] [ptr null, ptr @vf0i1, ptr @vf1i1, ptr @vf3i32], [5 x i8] c"\02\03\00\00\00" }, !type [[T8]]
22 @vt3 = constant [4 x ptr] [
29 ; CHECK: [[VT4DATA:@[^ ]*]] = private constant { [0 x i8], [3 x ptr], [5 x i8] } { [0 x i8] zeroinitializer, [3 x ptr] [ptr @vf1i1, ptr @vf0i1, ptr @vf4i32], [5 x i8] c"\01\04\00\00\00" }, !type [[T0]]
30 @vt4 = constant [3 x ptr] [
36 ; CHECK: @vt1 = alias [4 x ptr], getelementptr inbounds ({ [0 x i8], [4 x ptr], [5 x i8] }, ptr [[VT1DATA]], i32 0, i32 1)
37 ; CHECK: @vt2 = alias [3 x ptr], getelementptr inbounds ({ [0 x i8], [3 x ptr], [5 x i8] }, ptr [[VT2DATA]], i32 0, i32 1)
38 ; CHECK: @vt3 = alias [4 x ptr], getelementptr inbounds ({ [0 x i8], [4 x ptr], [5 x i8] }, ptr [[VT3DATA]], i32 0, i32 1)
39 ; CHECK: @vt4 = alias [3 x ptr], getelementptr inbounds ({ [0 x i8], [3 x ptr], [5 x i8] }, ptr [[VT4DATA]], i32 0, i32 1)
41 define i1 @vf0i1(ptr %this) readnone {
45 define i1 @vf1i1(ptr %this) readnone {
49 define i32 @vf1i32(ptr %this) readnone {
53 define i32 @vf2i32(ptr %this) readnone {
57 define i32 @vf3i32(ptr %this) readnone {
61 define i32 @vf4i32(ptr %this) readnone {
65 ; CHECK: define i1 @call1(
66 define i1 @call1(ptr %obj) {
67 %vtable = load ptr, ptr %obj
68 %p = call i1 @llvm.type.test(ptr %vtable, metadata !"typeid")
69 call void @llvm.assume(i1 %p)
70 %fptr = load ptr, ptr %vtable
71 ; CHECK: [[VTGEP1:%[^ ]*]] = getelementptr i8, ptr %vtable, i32 24
72 ; CHECK: [[VTLOAD1:%[^ ]*]] = load i8, ptr [[VTGEP1]]
73 ; CHECK: [[VTAND1:%[^ ]*]] = and i8 [[VTLOAD1]], 1
74 ; CHECK: [[VTCMP1:%[^ ]*]] = icmp ne i8 [[VTAND1]], 0
75 %result = call i1 %fptr(ptr %obj)
76 ; CHECK: ret i1 [[VTCMP1]]
80 ; CHECK: define i1 @call2(
81 define i1 @call2(ptr %obj) {
82 %vtable = load ptr, ptr %obj
83 %p = call i1 @llvm.type.test(ptr %vtable, metadata !"typeid")
84 call void @llvm.assume(i1 %p)
85 %fptrptr = getelementptr [3 x ptr], ptr %vtable, i32 0, i32 1
86 %fptr = load ptr, ptr %fptrptr
87 ; CHECK: [[VTGEP2:%[^ ]*]] = getelementptr i8, ptr %vtable, i32 24
88 ; CHECK: [[VTLOAD2:%[^ ]*]] = load i8, ptr [[VTGEP2]]
89 ; CHECK: [[VTAND2:%[^ ]*]] = and i8 [[VTLOAD2]], 2
90 ; CHECK: [[VTCMP2:%[^ ]*]] = icmp ne i8 [[VTAND2]], 0
91 %result = call i1 %fptr(ptr %obj)
92 ; CHECK: ret i1 [[VTCMP2]]
96 ; CHECK: define i32 @call3(
97 define i32 @call3(ptr %obj) {
98 %vtable = load ptr, ptr %obj
99 %p = call i1 @llvm.type.test(ptr %vtable, metadata !"typeid")
100 call void @llvm.assume(i1 %p)
101 %fptrptr = getelementptr [3 x ptr], ptr %vtable, i32 0, i32 2
102 %fptr = load ptr, ptr %fptrptr
103 ; CHECK: [[VTGEP3:%[^ ]*]] = getelementptr i8, ptr %vtable, i32 25
104 ; CHECK: [[VTLOAD3:%[^ ]*]] = load i32, ptr [[VTGEP3]]
105 %result = call i32 %fptr(ptr %obj)
106 ; CHECK: ret i32 [[VTLOAD3]]
110 declare i1 @llvm.type.test(ptr, metadata)
111 declare void @llvm.assume(i1)
113 ; CHECK: [[T8]] = !{i32 8, !"typeid"}
114 ; CHECK: [[T0]] = !{i32 0, !"typeid"}
116 !0 = !{i32 0, !"typeid"}
117 !1 = !{i32 8, !"typeid"}