forked from OSchip/llvm-project
81 lines
3.5 KiB
LLVM
81 lines
3.5 KiB
LLVM
; 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 = distinct !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(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}
|