| ; REQUIRES: object-emission |
| |
| ; RUN: %llc_dwarf -O0 -filetype=obj < %s > %t |
| ; RUN: llvm-dwarfdump %t | FileCheck %s |
| |
| ; IR generated from the following code compiled with clang -g: |
| ; enum e1 { I, J = 0xffffffffU, K = 0xf000000000000000ULL } a; |
| ; enum e2 { X }; |
| ; void func() { |
| ; int b = X; |
| ; } |
| |
| ; These values were previously being truncated to -1 and 0 respectively. |
| |
| ; CHECK: debug_info contents |
| ; CHECK: DW_TAG_enumeration_type |
| ; CHECK-NEXT: DW_AT_name{{.*}} = "e1" |
| ; CHECK-NOT: NULL |
| ; CHECK: DW_TAG_enumerator |
| ; CHECK-NOT: NULL |
| ; CHECK: DW_TAG_enumerator |
| ; CHECK-NEXT: DW_AT_name{{.*}} = "J" |
| ; CHECK-NEXT: DW_AT_const_value [DW_FORM_sdata] (4294967295) |
| ; CHECK-NOT: NULL |
| ; CHECK: DW_TAG_enumerator |
| ; CHECK-NEXT: DW_AT_name{{.*}} = "K" |
| ; CHECK-NEXT: DW_AT_const_value [DW_FORM_sdata] (-1152921504606846976) |
| |
| ; Check that we retain enums that aren't referenced by any variables, etc |
| ; CHECK: DW_TAG_enumeration_type |
| ; CHECK-NEXT: DW_AT_name{{.*}} = "e2" |
| ; CHECK-NOT: NULL |
| ; CHECK: DW_TAG_enumerator |
| ; CHECK-NEXT: DW_AT_name{{.*}} = "X" |
| |
| @a = global i64 0, align 8 |
| |
| ; Function Attrs: nounwind uwtable |
| define void @_Z4funcv() #0 { |
| entry: |
| %b = alloca i32, align 4 |
| call void @llvm.dbg.declare(metadata i32* %b, metadata !20, metadata !DIExpression()), !dbg !22 |
| store i32 0, i32* %b, align 4, !dbg !22 |
| ret void, !dbg !23 |
| } |
| |
| ; Function Attrs: nounwind readnone |
| declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 |
| |
| 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" } |
| attributes #1 = { nounwind readnone } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!19, !24} |
| |
| !0 = !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.4 ", isOptimized: false, emissionKind: 0, file: !1, enums: !2, retainedTypes: !11, subprograms: !12, globals: !17, imports: !11) |
| !1 = !DIFile(filename: "enum.cpp", directory: "/tmp") |
| !2 = !{!3, !8} |
| !3 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "e1", line: 1, size: 64, align: 64, file: !1, elements: !4) |
| !4 = !{!5, !6, !7} |
| !5 = !DIEnumerator(name: "I", value: 0) ; [ DW_TAG_enumerator ] [I :: 0] |
| !6 = !DIEnumerator(name: "J", value: 4294967295) ; [ DW_TAG_enumerator ] [J :: 4294967295] |
| !7 = !DIEnumerator(name: "K", value: -1152921504606846976) ; [ DW_TAG_enumerator ] [K :: 17293822569102704640] |
| !8 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "e2", line: 2, size: 32, align: 32, file: !1, elements: !9) |
| !9 = !{!10} |
| !10 = !DIEnumerator(name: "X", value: 0) ; [ DW_TAG_enumerator ] [X :: 0] |
| !11 = !{} |
| !12 = !{!13} |
| !13 = !DISubprogram(name: "func", linkageName: "_Z4funcv", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 3, file: !1, scope: !14, type: !15, function: void ()* @_Z4funcv, variables: !11) |
| !14 = !DIFile(filename: "enum.cpp", directory: "/tmp") |
| !15 = !DISubroutineType(types: !16) |
| !16 = !{null} |
| !17 = !{!18} |
| !18 = !DIGlobalVariable(name: "a", line: 1, isLocal: false, isDefinition: true, scope: null, file: !14, type: !3, variable: i64* @a) |
| !19 = !{i32 2, !"Dwarf Version", i32 3} |
| !20 = !DILocalVariable(tag: DW_TAG_auto_variable, name: "b", line: 4, scope: !13, file: !14, type: !21) |
| !21 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) |
| !22 = !DILocation(line: 4, scope: !13) |
| !23 = !DILocation(line: 5, scope: !13) |
| !24 = !{i32 1, !"Debug Info Version", i32 3} |