| ; RUN: llc -mtriple mips-linux-gnu -O2 %s -o - | FileCheck %s |
| ; Check struct X for dead variable xyz from inlined function foo. |
| |
| ; CHECK: section_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 !59, metadata !DIExpression()), !dbg !19 |
| tail call void @llvm.dbg.declare(metadata !29, metadata !60, 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) |
| |
| !59 = !DILocalVariable(name: "j", line: 9, arg: 1, scope: !0, file: !1, type: !5) |
| !60 = !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} |