xref: /llvm-project/llvm/test/ThinLTO/X86/Inputs/devirt2.ll (revision d5d3eb16b7ab72529c83dacb2889811491e48909) 
1target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
2target triple = "x86_64-grtev4-linux-gnu"
3
4%struct.A = type { ptr }
5%struct.B = type { %struct.A }
6%struct.C = type { %struct.A }
7%struct.D = type { ptr }
8%struct.E = type { ptr }
9
10@_ZTV1B = constant { [4 x ptr] } { [4 x ptr] [ptr null, ptr undef, ptr @_ZN1B1fEi, ptr @_ZN1A1nEi] }, !type !0, !type !1
11@_ZTV1C = constant { [4 x ptr] } { [4 x ptr] [ptr null, ptr undef, ptr @_ZN1C1fEi, ptr @_ZN1A1nEi] }, !type !0, !type !2
12@_ZTV1D = linkonce_odr constant { [3 x ptr] } { [3 x ptr] [ptr null, ptr undef, ptr @_ZN1D1mEi] }, !type !3
13@_ZTV1E = constant { [3 x ptr] } { [3 x ptr] [ptr null, ptr undef, ptr @_ZN1E1mEi] }, !type !4
14
15define i32 @_ZN1B1fEi(ptr %this, i32 %a) #0 {
16   ret i32 0
17}
18
19define internal i32 @_ZN1A1nEi(ptr %this, i32 %a) #0 {
20   ret i32 0
21}
22
23define i32 @_ZN1C1fEi(ptr %this, i32 %a) #0 {
24   ret i32 0
25}
26
27define linkonce_odr i32 @_ZN1D1mEi(ptr %this, i32 %a) #0 {
28   ret i32 0
29}
30
31define internal i32 @_ZN1E1mEi(ptr %this, i32 %a) #0 {
32   ret i32 0, !dbg !12
33}
34
35define i32 @test2(ptr %obj, i32 %a) {
36entry:
37  %vtable2 = load ptr, ptr %obj
38  %p2 = call i1 @llvm.type.test(ptr %vtable2, metadata !"_ZTS1E")
39  call void @llvm.assume(i1 %p2)
40
41  %fptr33 = load ptr, ptr %vtable2, align 8
42
43  %call4 = tail call i32 %fptr33(ptr nonnull %obj, i32 %a)
44  ret i32 %call4
45}
46
47attributes #0 = { noinline optnone }
48
49declare i1 @llvm.type.test(ptr, metadata)
50declare void @llvm.assume(i1)
51
52!llvm.dbg.cu = !{!5}
53!llvm.module.flags = !{!13, !14, !15}
54
55!0 = !{i64 16, !"_ZTS1A"}
56!1 = !{i64 16, !"_ZTS1B"}
57!2 = !{i64 16, !"_ZTS1C"}
58!3 = !{i64 16, !"_ZTS1D"}
59!4 = !{i64 16, !"_ZTS1E"}
60!5 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !6, producer: "clang version 12.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !7, splitDebugInlining: false, nameTableKind: None)
61!6 = !DIFile(filename: "test.cc", directory: "/tmp")
62!7 = !{}
63!8 = distinct !DISubprogram(name: "bar", linkageName: "_Z5barv", scope: !6, file: !6, line: 1, type: !9, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !7)
64!9 = !DISubroutineType(types: !10)
65!10 = !{!11}
66!11 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
67!12 = !DILocation(line: 2, column: 3, scope: !8, inlinedAt: !16)
68!13 = !{i32 7, !"Dwarf Version", i32 4}
69!14 = !{i32 2, !"Debug Info Version", i32 3}
70!15 = !{i32 1, !"wchar_size", i32 4}
71!16 = !DILocation(line: 1, column: 1, scope: !17)
72!17 = distinct !DISubprogram(name: "foo", linkageName: "_Z5foov", scope: !6, file: !6, line: 1, type: !9, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !7)
73