123 lines
6.3 KiB
LLVM
123 lines
6.3 KiB
LLVM
; Test to make sure that lazily loaded debug location scope metadata is
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; handled properly. Note that we need to have the DILexicalScope !34
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; referenced from multiple function's debug locs for this to be in the
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; lazily loaded module level metadata block.
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; RUN: opt -module-hash -module-summary %s -o %t1.bc
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; RUN: opt -module-hash -module-summary %p/Inputs/pr35472.ll -o %t2.bc
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; RUN: llvm-lto -thinlto-action=run %t1.bc %t2.bc -exported-symbol=_Z5Alphav
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; RUN: llvm-nm %t1.bc.thinlto.o | FileCheck %s -check-prefix=ThinLTOa
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; RUN: llvm-nm %t2.bc.thinlto.o | FileCheck %s -check-prefix=ThinLTOb
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; ThinLTOa-DAG: T _Z5Bravov
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; ThinLTOa-DAG: W _ZN4EchoD2Ev
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; ThinLTOb-DAG: T _Z5Alphav
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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%struct.Delta = type { %struct.Charlie }
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%struct.Charlie = type { i32 }
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%struct.Echo = type { %struct.Charlie }
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$_ZN4EchoD2Ev = comdat any
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$_ZN5DeltaD2Ev = comdat any
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define void @_Z5Bravov() !dbg !7 {
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%Hotel = alloca %struct.Delta, align 4
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%India = alloca %struct.Echo, align 4
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call void @llvm.dbg.declare(metadata %struct.Delta* %Hotel, metadata !10, metadata !DIExpression()), !dbg !22
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call void @_ZN4EchoD2Ev(%struct.Echo* %India), !dbg !28
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ret void, !dbg !28
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}
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declare void @llvm.dbg.declare(metadata, metadata, metadata)
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define linkonce_odr void @_ZN4EchoD2Ev(%struct.Echo* %this) unnamed_addr comdat align 2 {
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%this.addr.i = alloca %struct.Charlie*, align 8
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call void @llvm.dbg.declare(metadata %struct.Charlie** %this.addr.i, metadata !29, metadata !DIExpression()), !dbg !32
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%this1.i = load %struct.Charlie*, %struct.Charlie** %this.addr.i, align 8
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%Golf.i = getelementptr inbounds %struct.Charlie, %struct.Charlie* %this1.i, i32 0, i32 0, !dbg !33
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ret void
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}
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define linkonce_odr void @_ZN5DeltaD2Ev(%struct.Delta* %this) unnamed_addr comdat align 2 !dbg !36 {
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%this.addr.i = alloca %struct.Charlie*, align 8
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call void @llvm.dbg.declare(metadata %struct.Charlie** %this.addr.i, metadata !29, metadata !DIExpression()), !dbg !41
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%this1.i = load %struct.Charlie*, %struct.Charlie** %this.addr.i, align 8
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%Golf.i = getelementptr inbounds %struct.Charlie, %struct.Charlie* %this1.i, i32 0, i32 0, !dbg !48
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ret void
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}
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!llvm.module.flags = !{!3, !4, !5}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 6.0.0 (trunk 321056)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
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!1 = !DIFile(filename: "a.cpp", directory: "/home/sunil/185335/302")
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!2 = !{}
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!3 = !{i32 2, !"Dwarf Version", i32 4}
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!4 = !{i32 2, !"Debug Info Version", i32 3}
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!5 = !{i32 1, !"wchar_size", i32 4}
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!7 = distinct !DISubprogram(name: "Bravo", linkageName: "_Z5Bravov", scope: !1, file: !1, line: 17, type: !8, isLocal: false, isDefinition: true, scopeLine: 17, flags: DIFlagPrototyped, isOptimized: false, unit: !0)
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!8 = !DISubroutineType(types: !9)
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!9 = !{null}
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!10 = !DILocalVariable(name: "Hotel", scope: !7, file: !1, line: 18, type: !11)
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!11 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Delta", file: !1, line: 6, size: 32, elements: !12, identifier: "_ZTS5Delta")
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!12 = !{!13}
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!13 = !DIDerivedType(tag: DW_TAG_member, name: "Foxtrot", scope: !11, file: !1, line: 7, baseType: !14, size: 32)
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!14 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Charlie", file: !1, line: 1, size: 32, elements: !15, identifier: "_ZTS7Charlie")
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!15 = !{!16, !18}
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!16 = !DIDerivedType(tag: DW_TAG_member, name: "Golf", scope: !14, file: !1, line: 3, baseType: !17, size: 32)
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!17 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!18 = !DISubprogram(name: "~Charlie", scope: !14, file: !1, line: 2, type: !19, isLocal: false, isDefinition: false, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: false)
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!19 = !DISubroutineType(types: !20)
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!20 = !{null, !21}
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!21 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !14, size: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
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!22 = !DILocation(line: 18, column: 11, scope: !7)
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!24 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Echo", file: !1, line: 10, size: 32, elements: !25, identifier: "_ZTS4Echo")
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!25 = !{!26}
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!26 = !DIDerivedType(tag: DW_TAG_member, name: "Foxtrot", scope: !24, file: !1, line: 11, baseType: !14, size: 32)
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!28 = !DILocation(line: 20, column: 1, scope: !7)
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!29 = !DILocalVariable(name: "this", arg: 1, scope: !30, type: !31, flags: DIFlagArtificial | DIFlagObjectPointer)
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!30 = distinct !DISubprogram(name: "~Charlie", linkageName: "_ZN7CharlieD2Ev", scope: !14, file: !1, line: 2, type: !19, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: false, unit: !0, declaration: !18)
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!31 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !14, size: 64)
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!32 = !DILocation(line: 0, scope: !30)
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!33 = !DILocation(line: 2, column: 53, scope: !34)
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!34 = distinct !DILexicalBlock(scope: !30, file: !1, line: 2, column: 51)
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!36 = distinct !DISubprogram(name: "~Delta", linkageName: "_ZN5DeltaD2Ev", scope: !11, file: !1, line: 6, type: !37, isLocal: false, isDefinition: true, scopeLine: 6, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false, unit: !0, declaration: !40)
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!37 = !DISubroutineType(types: !38)
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!38 = !{null, !39}
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!39 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !11, size: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
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!40 = !DISubprogram(name: "~Delta", scope: !11, type: !37, isLocal: false, isDefinition: false, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false)
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!41 = !DILocation(line: 0, scope: !30, inlinedAt: !42)
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!42 = distinct !DILocation(line: 6, column: 8, scope: !43)
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!43 = distinct !DILexicalBlock(scope: !36, file: !1, line: 6, column: 8)
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!48 = !DILocation(line: 2, column: 53, scope: !34, inlinedAt: !42)
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;----------------------------------------------------------------------------------------------
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; Compiled from following two source files with 'clang++ -S --std=c++11 -O0 -g -flto=thin'
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; struct Charlie {
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; __attribute__((__always_inline__)) ~Charlie() { Golf = 0; }
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; int Golf;
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; };
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;
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; struct Delta {
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; Charlie Foxtrot;
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; };
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;
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; struct Echo {
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; Charlie Foxtrot;
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; __attribute__((nodebug)) ~Echo() = default;
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; };
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;
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; extern void Bravo();
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;
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; void Bravo() {
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; Delta Hotel;
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; Echo India;
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; }
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; -----------------------------
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; extern void Bravo();
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; extern void Alpha();
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; void Alpha() { Bravo(); }
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