| ; 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 |
| |
| source_filename = "test/DebugInfo/X86/InlinedFnLocalVar.ll" |
| |
| @i = common global i32 0, !dbg !0 |
| |
| ; Function Attrs: nounwind readnone |
| declare void @llvm.dbg.declare(metadata, metadata, metadata) #0 |
| |
| ; Function Attrs: nounwind readnone |
| declare void @llvm.dbg.value(metadata, metadata, metadata) #0 |
| |
| ; Function Attrs: nounwind ssp |
| define i32 @bar() #1 !dbg !8 { |
| entry: |
| %0 = load i32, ptr @i, align 4, !dbg !11 |
| tail call void @llvm.dbg.value(metadata i32 %0, metadata !13, metadata !24), !dbg !25 |
| tail call void @llvm.dbg.declare(metadata !5, metadata !18, metadata !24), !dbg !26 |
| %1 = mul nsw i32 %0, %0, !dbg !27 |
| store i32 %1, ptr @i, align 4, !dbg !11 |
| ret i32 %1, !dbg !28 |
| } |
| |
| attributes #0 = { nounwind readnone } |
| attributes #1 = { nounwind ssp } |
| |
| !llvm.dbg.cu = !{!4} |
| !llvm.module.flags = !{!7} |
| |
| !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) |
| !1 = !DIGlobalVariable(name: "i", scope: !2, file: !2, line: 5, type: !3, isLocal: false, isDefinition: true) |
| !2 = !DIFile(filename: "bar.c", directory: "/tmp/") |
| !3 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) |
| !4 = distinct !DICompileUnit(language: DW_LANG_C89, file: !2, producer: "4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !5, retainedTypes: !5, globals: !6, imports: !5) |
| !5 = !{} |
| !6 = !{!0} |
| !7 = !{i32 1, !"Debug Info Version", i32 3} |
| !8 = distinct !DISubprogram(name: "bar", linkageName: "bar", scope: !2, file: !2, line: 14, type: !9, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: true, unit: !4) |
| !9 = !DISubroutineType(types: !10) |
| !10 = !{!3} |
| !11 = !DILocation(line: 15, scope: !12) |
| !12 = distinct !DILexicalBlock(scope: !8, file: !2, line: 14) |
| !13 = !DILocalVariable(name: "j", arg: 1, scope: !14, file: !2, line: 9, type: !3) |
| !14 = distinct !DISubprogram(name: "foo", scope: !2, file: !2, line: 9, type: !15, isLocal: true, isDefinition: true, scopeLine: 9, virtualIndex: 6, isOptimized: true, unit: !4, retainedNodes: !17) |
| !15 = !DISubroutineType(types: !16) |
| !16 = !{!3, !3} |
| !17 = !{!13, !18} |
| !18 = !DILocalVariable(name: "xyz", scope: !19, file: !2, line: 10, type: !20) |
| !19 = distinct !DILexicalBlock(scope: !14, file: !2, line: 9) |
| !20 = !DICompositeType(tag: DW_TAG_structure_type, name: "X", scope: !14, file: !2, line: 10, size: 64, align: 32, elements: !21) |
| !21 = !{!22, !23} |
| !22 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !20, file: !2, line: 10, baseType: !3, size: 32, align: 32) |
| !23 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !20, file: !2, line: 10, baseType: !3, size: 32, align: 32, offset: 32) |
| !24 = !DIExpression() |
| !25 = !DILocation(line: 9, scope: !14, inlinedAt: !11) |
| !26 = !DILocation(line: 9, scope: !19, inlinedAt: !11) |
| !27 = !DILocation(line: 11, scope: !19, inlinedAt: !11) |
| !28 = !DILocation(line: 16, scope: !12) |
| |