1 ; REQUIRES: object-emission 2 3 ; RUN: %llc_dwarf -O0 -filetype=obj < %s > %t 4 ; RUN: llvm-dwarfdump %t | FileCheck %s 5 6 ; IR generated from the following code compiled with clang -g: 7 ; enum e1 { I, J = 0xffffffffU, K = 0xf000000000000000ULL } a; 8 ; enum e2 { X }; 9 ; void func() { 10 ; int b = X; 11 ; } 12 13 ; These values were previously being truncated to -1 and 0 respectively. 14 15 ; CHECK: debug_info contents 16 ; CHECK: DW_TAG_enumeration_type 17 ; CHECK-NEXT: DW_AT_name{{.*}} = "e1" 18 ; CHECK-NOT: NULL 19 ; CHECK: DW_TAG_enumerator 20 ; CHECK-NOT: NULL 21 ; CHECK: DW_TAG_enumerator 22 ; CHECK-NEXT: DW_AT_name{{.*}} = "J" 23 ; CHECK-NEXT: DW_AT_const_value [DW_FORM_sdata] (4294967295) 24 ; CHECK-NOT: NULL 25 ; CHECK: DW_TAG_enumerator 26 ; CHECK-NEXT: DW_AT_name{{.*}} = "K" 27 ; CHECK-NEXT: DW_AT_const_value [DW_FORM_sdata] (-1152921504606846976) 28 29 ; Check that we retain enums that aren't referenced by any variables, etc 30 ; CHECK: DW_TAG_enumeration_type 31 ; CHECK-NEXT: DW_AT_name{{.*}} = "e2" 32 ; CHECK-NOT: NULL 33 ; CHECK: DW_TAG_enumerator 34 ; CHECK-NEXT: DW_AT_name{{.*}} = "X" 35 36 @a = global i64 0, align 8 37 38 ; Function Attrs: nounwind uwtable 39 define void @_Z4funcv() #0 !dbg !13 { 40 entry: 41 %b = alloca i32, align 4 42 call void @llvm.dbg.declare(metadata i32* %b, metadata !20, metadata !DIExpression()), !dbg !22 43 store i32 0, i32* %b, align 4, !dbg !22 44 ret void, !dbg !23 45 } 46 47 ; Function Attrs: nounwind readnone 48 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 49 50 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" "unsafe-fp-math"="false" "use-soft-float"="false" } 51 attributes #1 = { nounwind readnone } 52 53 !llvm.dbg.cu = !{!0} 54 !llvm.module.flags = !{!19, !24} 55 56 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.4 ", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !11, globals: !17, imports: !11) 57 !1 = !DIFile(filename: "enum.cpp", directory: "/tmp") 58 !2 = !{!3, !8} 59 !3 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "e1", line: 1, size: 64, align: 64, file: !1, elements: !4) 60 !4 = !{!5, !6, !7} 61 !5 = !DIEnumerator(name: "I", value: 0) ; [ DW_TAG_enumerator ] [I :: 0] 62 !6 = !DIEnumerator(name: "J", value: 4294967295) ; [ DW_TAG_enumerator ] [J :: 4294967295] 63 !7 = !DIEnumerator(name: "K", value: -1152921504606846976) ; [ DW_TAG_enumerator ] [K :: 17293822569102704640] 64 !8 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "e2", line: 2, size: 32, align: 32, file: !1, elements: !9) 65 !9 = !{!10} 66 !10 = !DIEnumerator(name: "X", value: 0) ; [ DW_TAG_enumerator ] [X :: 0] 67 !11 = !{} 68 !13 = distinct !DISubprogram(name: "func", linkageName: "_Z4funcv", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 3, file: !1, scope: !14, type: !15, variables: !11) 69 !14 = !DIFile(filename: "enum.cpp", directory: "/tmp") 70 !15 = !DISubroutineType(types: !16) 71 !16 = !{null} 72 !17 = !{!18} 73 !18 = !DIGlobalVariable(name: "a", line: 1, isLocal: false, isDefinition: true, scope: null, file: !14, type: !3, variable: i64* @a) 74 !19 = !{i32 2, !"Dwarf Version", i32 3} 75 !20 = !DILocalVariable(name: "b", line: 4, scope: !13, file: !14, type: !21) 76 !21 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 77 !22 = !DILocation(line: 4, scope: !13) 78 !23 = !DILocation(line: 5, scope: !13) 79 !24 = !{i32 1, !"Debug Info Version", i32 3} 80
