1; RUN: %llc_dwarf -O2 %s -o - | FileCheck %s 2; Check struct X for dead variable xyz from inlined function foo. 3 4; CHECK: section_info 5; CHECK: DW_TAG_structure_type 6; CHECK-NEXT: DW_AT_name 7 8 9@i = common global i32 0 ; <i32*> [#uses=2] 10 11declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone 12 13declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone 14 15define i32 @bar() nounwind ssp !dbg !6 { 16entry: 17 %0 = load i32, i32* @i, align 4, !dbg !17 ; <i32> [#uses=2] 18 tail call void @llvm.dbg.value(metadata i32 %0, i64 0, metadata !59, metadata !DIExpression()), !dbg !19 19 tail call void @llvm.dbg.declare(metadata !29, metadata !60, metadata !DIExpression()), !dbg !21 20 %1 = mul nsw i32 %0, %0, !dbg !22 ; <i32> [#uses=2] 21 store i32 %1, i32* @i, align 4, !dbg !17 22 ret i32 %1, !dbg !23 23} 24 25!llvm.dbg.cu = !{!2} 26!llvm.module.flags = !{!28} 27 28!0 = distinct !DISubprogram(name: "foo", line: 9, isLocal: true, isDefinition: true, virtualIndex: 6, isOptimized: true, unit: !2, scopeLine: 9, file: !27, scope: !1, type: !3, variables: !24) 29!1 = !DIFile(filename: "bar.c", directory: "/tmp/") 30!2 = distinct !DICompileUnit(language: DW_LANG_C89, producer: "4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", isOptimized: true, emissionKind: FullDebug, file: !27, enums: !20, retainedTypes: !20, globals: !26, imports: !20) 31!3 = !DISubroutineType(types: !4) 32!4 = !{!5, !5} 33!5 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 34!6 = distinct !DISubprogram(name: "bar", linkageName: "bar", line: 14, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: true, unit: !2, file: !27, scope: !1, type: !7) 35!7 = !DISubroutineType(types: !8) 36!8 = !{!5} 37!9 = !DILocalVariable(name: "j", line: 9, arg: 1, scope: !0, file: !1, type: !5) 38!10 = !DILocalVariable(name: "xyz", line: 10, scope: !11, file: !1, type: !12) 39 40!59 = !DILocalVariable(name: "j", line: 9, arg: 1, scope: !0, file: !1, type: !5) 41!60 = !DILocalVariable(name: "xyz", line: 10, scope: !11, file: !1, type: !12) 42 43!11 = distinct !DILexicalBlock(line: 9, column: 0, file: !1, scope: !0) 44!12 = !DICompositeType(tag: DW_TAG_structure_type, name: "X", line: 10, size: 64, align: 32, file: !27, scope: !0, elements: !13) 45!13 = !{!14, !15} 46!14 = !DIDerivedType(tag: DW_TAG_member, name: "a", line: 10, size: 32, align: 32, file: !27, scope: !12, baseType: !5) 47!15 = !DIDerivedType(tag: DW_TAG_member, name: "b", line: 10, size: 32, align: 32, offset: 32, file: !27, scope: !12, baseType: !5) 48!16 = !DIGlobalVariable(name: "i", line: 5, isLocal: false, isDefinition: true, scope: !1, file: !1, type: !5, variable: i32* @i) 49!17 = !DILocation(line: 15, scope: !18) 50!18 = distinct !DILexicalBlock(line: 14, column: 0, file: !1, scope: !6) 51!19 = !DILocation(line: 9, scope: !0, inlinedAt: !17) 52!20 = !{} 53!21 = !DILocation(line: 9, scope: !11, inlinedAt: !17) 54!22 = !DILocation(line: 11, scope: !11, inlinedAt: !17) 55!23 = !DILocation(line: 16, scope: !18) 56!24 = !{!9, !10} 57!26 = !{!16} 58!27 = !DIFile(filename: "bar.c", directory: "/tmp/") 59!28 = !{i32 1, !"Debug Info Version", i32 3} 60!29 = !{null} 61