; RUN: llc -mtriple i686-pc-cygwin -O2 %s -o - | FileCheck %s ; Check struct X for dead variable xyz from inlined function foo. ; CHECK: Lsection_info ; CHECK: DW_TAG_structure_type ; CHECK-NEXT: info_string @i = common global i32 0 ; <i32*> [#uses=2] declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone define i32 @bar() nounwind ssp !dbg !6 { entry: %0 = load i32, i32* @i, align 4, !dbg !17 ; <i32> [#uses=2] tail call void @llvm.dbg.value(metadata i32 %0, i64 0, metadata !109, metadata !DIExpression()), !dbg !19 tail call void @llvm.dbg.declare(metadata !29, metadata !110, metadata !DIExpression()), !dbg !21 %1 = mul nsw i32 %0, %0, !dbg !22 ; <i32> [#uses=2] store i32 %1, i32* @i, align 4, !dbg !17 ret i32 %1, !dbg !23 } !llvm.dbg.cu = !{!2} !llvm.module.flags = !{!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) !1 = !DIFile(filename: "bar.c", directory: "/tmp/") !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) !3 = !DISubroutineType(types: !4) !4 = !{!5, !5} !5 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) !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) !7 = !DISubroutineType(types: !8) !8 = !{!5} !9 = !DILocalVariable(name: "j", line: 9, arg: 1, scope: !0, file: !1, type: !5) !10 = !DILocalVariable(name: "xyz", line: 10, scope: !11, file: !1, type: !12) !109 = !DILocalVariable(name: "j", line: 9, arg: 1, scope: !0, file: !1, type: !5) !110 = !DILocalVariable(name: "xyz", line: 10, scope: !11, file: !1, type: !12) !11 = distinct !DILexicalBlock(line: 9, column: 0, file: !1, scope: !0) !12 = !DICompositeType(tag: DW_TAG_structure_type, name: "X", line: 10, size: 64, align: 32, file: !27, scope: !0, elements: !13) !13 = !{!14, !15} !14 = !DIDerivedType(tag: DW_TAG_member, name: "a", line: 10, size: 32, align: 32, file: !27, scope: !12, baseType: !5) !15 = !DIDerivedType(tag: DW_TAG_member, name: "b", line: 10, size: 32, align: 32, offset: 32, file: !27, scope: !12, baseType: !5) !16 = !DIGlobalVariable(name: "i", line: 5, isLocal: false, isDefinition: true, scope: !1, file: !1, type: !5, variable: i32* @i) !17 = !DILocation(line: 15, scope: !18) !18 = distinct !DILexicalBlock(line: 14, column: 0, file: !1, scope: !6) !19 = !DILocation(line: 9, scope: !0, inlinedAt: !17) !20 = !{} !21 = !DILocation(line: 9, scope: !11, inlinedAt: !17) !22 = !DILocation(line: 11, scope: !11, inlinedAt: !17) !23 = !DILocation(line: 16, scope: !18) !24 = !{!9, !10} !26 = !{!16} !27 = !DIFile(filename: "bar.c", directory: "/tmp/") !28 = !{i32 1, !"Debug Info Version", i32 3} !29 = !{null}