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1; RUN: llc -mtriple=x86_64-pc-linux -split-dwarf-file=input.dwo -O3 \
2; RUN:     -function-sections -data-sections \
3; RUN:     -relocation-model=pic -filetype=asm \
4; RUN:     -generate-type-units -o - %s | \
5; RUN:     FileCheck %s --check-prefix=CHECK-ASM
6; RUN: llc -mtriple=x86_64-pc-linux -split-dwarf-file=input.dwo -O3 \
7; RUN:     -function-sections -data-sections \
8; RUN:     -relocation-model=pic -filetype=obj \
9; RUN:     -generate-type-units -o - %s | \
10; RUN:     llvm-readelf -sections | \
11; RUN:     FileCheck %s --check-prefix=CHECK-ELF
12; Created from `clang++ -fxray-instrument -gsplit-dwarf -fdebug-types-section
13; -ffunction-sections -fdata-sections -emit-llvm -S input.cc`:
14; input.cc:
15;
16; class a {
17;   int b();
18; };
19; int a::b() {
20;   for (;;)
21;     ;
22; }
23;
24; In this test we want to make sure that the xray_instr_map section for
25; `a::b()` is actually associated with the function's symbol instead of the
26; .debug_types.dwo section.
27;
28; CHECK-ASM: xray_fn_idx,"awo",@progbits,_ZN1a1bEv,unique,1
29;
30; CHECK-ELF-DAG: [[FSECT:[0-9]+]]] .text._ZN1a1bEv PROGBITS
31; CHECK-ELF-DAG: [{{.*}}] .debug_types.dwo PROGBITS
32; CHECK-ELF-DAG: [{{.*}}] xray_instr_map PROGBITS {{.*}} {{.*}} {{.*}} {{.*}} WAL [[FSECT]]
33target triple = "x86_64-pc-linux"
34
35%class.a = type { i8 }
36
37; Function Attrs: nounwind readnone uwtable
38define i32 @_ZN1a1bEv(%class.a* nocapture readnone) local_unnamed_addr #0 align 2 !dbg !8 {
39  tail call void @llvm.dbg.value(metadata %class.a* %0, metadata !17, metadata !DIExpression()), !dbg !19
40  br label %2, !dbg !20
41
42; <label>:2:                                      ; preds = %2, %1
43  br label %2, !dbg !21, !llvm.loop !25
44}
45
46
47; Function Attrs: nounwind readnone speculatable
48declare void @llvm.dbg.value(metadata, metadata, metadata) #1
49
50attributes #0 = { nounwind readnone uwtable "xray-instruction-threshold"="200" }
51attributes #1 = { nounwind readnone speculatable }
52
53!llvm.dbg.cu = !{!0}
54!llvm.module.flags = !{!3, !4, !5, !6}
55!llvm.ident = !{!7}
56
57!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version trunk (trunk r312634)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, debugInfoForProfiling: true)
58!1 = !DIFile(filename: "input.cc", directory: "/usr/local/google/home/dberris/tmp")
59!2 = !{}
60!3 = !{i32 2, !"Debug Info Version", i32 3}
61!4 = !{i32 1, !"wchar_size", i32 4}
62!5 = !{i32 7, !"PIC Level", i32 2}
63!6 = !{i32 7, !"PIE Level", i32 2}
64!7 = !{!"clang version trunk (trunk r312634)"}
65!8 = distinct !DISubprogram(name: "b", linkageName: "_ZN1a1bEv", scope: !9, file: !1, line: 4, type: !12, isLocal: false, isDefinition: true, scopeLine: 4, flags: DIFlagPrototyped, isOptimized: true, unit: !0, declaration: !11, retainedNodes: !16)
66!9 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "a", file: !1, line: 1, size: 8, elements: !10, identifier: "_ZTS1a")
67!10 = !{!11}
68!11 = !DISubprogram(name: "b", linkageName: "_ZN1a1bEv", scope: !9, file: !1, line: 2, type: !12, isLocal: false, isDefinition: false, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: true)
69!12 = !DISubroutineType(types: !13)
70!13 = !{!14, !15}
71!14 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
72!15 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !9, size: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
73!16 = !{!17}
74!17 = !DILocalVariable(name: "this", arg: 1, scope: !8, type: !18, flags: DIFlagArtificial | DIFlagObjectPointer)
75!18 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !9, size: 64)
76!19 = !DILocation(line: 0, scope: !8)
77!20 = !DILocation(line: 5, column: 3, scope: !8)
78!21 = !DILocation(line: 5, column: 3, scope: !22)
79!22 = !DILexicalBlockFile(scope: !23, file: !1, discriminator: 2)
80!23 = distinct !DILexicalBlock(scope: !24, file: !1, line: 5, column: 3)
81!24 = distinct !DILexicalBlock(scope: !8, file: !1, line: 5, column: 3)
82!25 = distinct !{!25, !26, !27}
83!26 = !DILocation(line: 5, column: 3, scope: !24)
84!27 = !DILocation(line: 6, column: 5, scope: !24)
85