1; RUN: llc -mtriple=x86_64-linux-gnu %s -filetype=obj -o %t 2; RUN: llvm-dwarfdump %t | FileCheck %s 3 4; Reconstruct this via clang and -O2. 5; static void foo() { 6; struct X { int a; int b; } xyz; 7; } 8 9; int bar() { 10; foo(); 11; return 1; 12; } 13 14; Check that we still have the structure type for X even though we're not 15; going to emit a low/high_pc for foo. 16; CHECK: DW_TAG_structure_type 17 18; Function Attrs: nounwind readnone uwtable 19define i32 @bar() #0 !dbg !4 { 20entry: 21 ret i32 1, !dbg !21 22} 23 24attributes #0 = { nounwind readnone uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } 25 26!llvm.dbg.cu = !{!0} 27!llvm.module.flags = !{!18, !19} 28!llvm.ident = !{!20} 29 30!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.5.0 (trunk 209255) (llvm/trunk 209253)", isOptimized: true, emissionKind: 1, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2) 31!1 = !DIFile(filename: "debug-dead-local-var.c", directory: "/usr/local/google/home/echristo") 32!2 = !{} 33!3 = !{!4, !9} 34!4 = distinct !DISubprogram(name: "bar", line: 11, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: true, scopeLine: 11, file: !1, scope: !5, type: !6, variables: !2) 35!5 = !DIFile(filename: "debug-dead-local-var.c", directory: "/usr/local/google/home/echristo") 36!6 = !DISubroutineType(types: !7) 37!7 = !{!8} 38!8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 39!9 = distinct !DISubprogram(name: "foo", line: 6, isLocal: true, isDefinition: true, virtualIndex: 6, isOptimized: true, scopeLine: 6, file: !1, scope: !5, type: !10, variables: !12) 40!10 = !DISubroutineType(types: !11) 41!11 = !{null} 42!12 = !{!13} 43!13 = !DILocalVariable(name: "xyz", line: 8, scope: !9, file: !5, type: !14) 44!14 = !DICompositeType(tag: DW_TAG_structure_type, name: "X", line: 8, size: 64, align: 32, file: !1, scope: !9, elements: !15) 45!15 = !{!16, !17} 46!16 = !DIDerivedType(tag: DW_TAG_member, name: "a", line: 8, size: 32, align: 32, file: !1, scope: !14, baseType: !8) 47!17 = !DIDerivedType(tag: DW_TAG_member, name: "b", line: 8, size: 32, align: 32, offset: 32, file: !1, scope: !14, baseType: !8) 48!18 = !{i32 2, !"Dwarf Version", i32 4} 49!19 = !{i32 2, !"Debug Info Version", i32 3} 50!20 = !{!"clang version 3.5.0 (trunk 209255) (llvm/trunk 209253)"} 51!21 = !DILocation(line: 13, scope: !4) 52