1 ; REQUIRES: object-emission 2 ; RUN: %llc_dwarf -O0 -filetype=obj %s -o %t 3 ; RUN: llvm-dwarfdump %t | FileCheck %s 4 5 ; Check that we emit ranges for this CU since we have a function with and 6 ; without debug info. 7 ; Note: This depends upon the order of output in the .o file. Currently it's 8 ; in order of the output to make sure that the CU has multiple ranges since 9 ; there's a function in the middle. If they were together then it would have 10 ; a single range and no DW_AT_ranges. 11 ; CHECK: DW_TAG_compile_unit 12 ; CHECK: DW_AT_ranges 13 ; CHECK: DW_TAG_subprogram 14 ; CHECK: DW_TAG_subprogram 15 16 ; Function Attrs: nounwind uwtable 17 define i32 @b(i32 %c) #0 !dbg !5 { 18 entry: 19 %c.addr = alloca i32, align 4 20 store i32 %c, i32* %c.addr, align 4 21 call void @llvm.dbg.declare(metadata i32* %c.addr, metadata !13, metadata !DIExpression()), !dbg !14 22 %0 = load i32, i32* %c.addr, align 4, !dbg !14 23 %add = add nsw i32 %0, 1, !dbg !14 24 ret i32 %add, !dbg !14 25 } 26 27 ; Function Attrs: nounwind uwtable 28 define i32 @a(i32 %b) #0 { 29 entry: 30 %b.addr = alloca i32, align 4 31 store i32 %b, i32* %b.addr, align 4 32 %0 = load i32, i32* %b.addr, align 4 33 %add = add nsw i32 %0, 1 34 ret i32 %add 35 } 36 37 ; Function Attrs: nounwind readnone 38 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 39 40 ; Function Attrs: nounwind uwtable 41 define i32 @d(i32 %e) #0 !dbg !10 { 42 entry: 43 %e.addr = alloca i32, align 4 44 store i32 %e, i32* %e.addr, align 4 45 call void @llvm.dbg.declare(metadata i32* %e.addr, metadata !15, metadata !DIExpression()), !dbg !16 46 %0 = load i32, i32* %e.addr, align 4, !dbg !16 47 %add = add nsw i32 %0, 1, !dbg !16 48 ret i32 %add, !dbg !16 49 } 50 51 attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } 52 attributes #1 = { nounwind readnone } 53 54 !llvm.ident = !{!0, !0} 55 !llvm.dbg.cu = !{!1} 56 !llvm.module.flags = !{!11, !12} 57 58 !0 = !{!"clang version 3.5.0 (trunk 204164) (llvm/trunk 204183)"} 59 !1 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.5.0 (trunk 204164) (llvm/trunk 204183)", isOptimized: false, emissionKind: 1, file: !2, enums: !3, retainedTypes: !3, subprograms: !4, globals: !3, imports: !3) 60 !2 = !DIFile(filename: "b.c", directory: "/usr/local/google/home/echristo") 61 !3 = !{} 62 !4 = !{!5, !10} 63 !5 = distinct !DISubprogram(name: "b", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 1, file: !2, scope: !6, type: !7, variables: !3) 64 !6 = !DIFile(filename: "b.c", directory: "/usr/local/google/home/echristo") 65 !7 = !DISubroutineType(types: !8) 66 !8 = !{!9, !9} 67 !9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 68 !10 = distinct !DISubprogram(name: "d", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 3, file: !2, scope: !6, type: !7, variables: !3) 69 !11 = !{i32 2, !"Dwarf Version", i32 4} 70 !12 = !{i32 1, !"Debug Info Version", i32 3} 71 !13 = !DILocalVariable(name: "c", line: 1, arg: 1, scope: !5, file: !6, type: !9) 72 !14 = !DILocation(line: 1, scope: !5) 73 !15 = !DILocalVariable(name: "e", line: 3, arg: 1, scope: !10, file: !6, type: !9) 74 !16 = !DILocation(line: 3, scope: !10) 75
