1 ; RUN: %llc_dwarf -O2 %s -o - | FileCheck %s
2 ; Check struct X for dead variable xyz from inlined function foo.
5 ; CHECK: DW_TAG_structure_type
6 ; CHECK-NEXT: DW_AT_name
8 source_filename = "test/DebugInfo/Generic/2010-06-29-InlinedFnLocalVar.ll"
10 @i = common global i32 0, !dbg !0
12 ; Function Attrs: nounwind readnone
13 declare void @llvm.dbg.declare(metadata, metadata, metadata) #0
15 ; Function Attrs: nounwind readnone
16 declare void @llvm.dbg.value(metadata, metadata, metadata) #0
18 ; Function Attrs: nounwind ssp
19 define i32 @bar() #1 !dbg !8 {
21 %0 = load i32, i32* @i, align 4, !dbg !11
22 tail call void @llvm.dbg.value(metadata i32 %0, metadata !13, metadata !24), !dbg !25
23 tail call void @llvm.dbg.declare(metadata !5, metadata !18, metadata !24), !dbg !26
24 %1 = mul nsw i32 %0, %0, !dbg !27
25 store i32 %1, i32* @i, align 4, !dbg !11
29 attributes #0 = { nounwind readnone }
30 attributes #1 = { nounwind ssp }
33 !llvm.module.flags = !{!7}
35 !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
36 !1 = !DIGlobalVariable(name: "i", scope: !2, file: !2, line: 5, type: !3, isLocal: false, isDefinition: true)
37 !2 = !DIFile(filename: "bar.c", directory: "/tmp/")
38 !3 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
39 !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)
42 !7 = !{i32 1, !"Debug Info Version", i32 3}
43 !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)
44 !9 = !DISubroutineType(types: !10)
46 !11 = !DILocation(line: 15, scope: !12)
47 !12 = distinct !DILexicalBlock(scope: !8, file: !2, line: 14)
48 !13 = !DILocalVariable(name: "j", arg: 1, scope: !14, file: !2, line: 9, type: !3)
49 !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)
50 !15 = !DISubroutineType(types: !16)
53 !18 = !DILocalVariable(name: "xyz", scope: !19, file: !2, line: 10, type: !20)
54 !19 = distinct !DILexicalBlock(scope: !14, file: !2, line: 9)
55 !20 = !DICompositeType(tag: DW_TAG_structure_type, name: "X", scope: !14, file: !2, line: 10, size: 64, align: 32, elements: !21)
57 !22 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !20, file: !2, line: 10, baseType: !3, size: 32, align: 32)
58 !23 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !20, file: !2, line: 10, baseType: !3, size: 32, align: 32, offset: 32)
60 !25 = !DILocation(line: 9, scope: !14, inlinedAt: !11)
61 !26 = !DILocation(line: 9, scope: !19, inlinedAt: !11)
62 !27 = !DILocation(line: 11, scope: !19, inlinedAt: !11)
63 !28 = !DILocation(line: 16, scope: !12)