1 ; REQUIRES: object-emission 2 3 ; RUN: llc -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 { 40 entry: 41 %b = alloca i32, align 4 42 call void @llvm.dbg.declare(metadata !{i32* %b}, metadata !20), !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) #1 49 50 attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"="true" "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} 55 56 !0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.4 ", i1 false, metadata !"", i32 0, metadata !2, metadata !11, metadata !12, metadata !17, metadata !11, metadata !""} ; [ DW_TAG_compile_unit ] [/tmp/enum.cpp] [DW_LANG_C_plus_plus] 57 !1 = metadata !{metadata !"enum.cpp", metadata !"/tmp"} 58 !2 = metadata !{metadata !3, metadata !8} 59 !3 = metadata !{i32 786436, metadata !1, null, metadata !"e1", i32 1, i64 64, i64 64, i32 0, i32 0, null, metadata !4, i32 0, i32 0} ; [ DW_TAG_enumeration_type ] [e1] [line 1, size 64, align 64, offset 0] [def] [from ] 60 !4 = metadata !{metadata !5, metadata !6, metadata !7} 61 !5 = metadata !{i32 786472, metadata !"I", i64 0} ; [ DW_TAG_enumerator ] [I :: 0] 62 !6 = metadata !{i32 786472, metadata !"J", i64 4294967295} ; [ DW_TAG_enumerator ] [J :: 4294967295] 63 !7 = metadata !{i32 786472, metadata !"K", i64 -1152921504606846976} ; [ DW_TAG_enumerator ] [K :: 17293822569102704640] 64 !8 = metadata !{i32 786436, metadata !1, null, metadata !"e2", i32 2, i64 32, i64 32, i32 0, i32 0, null, metadata !9, i32 0, i32 0} ; [ DW_TAG_enumeration_type ] [e2] [line 2, size 32, align 32, offset 0] [def] [from ] 65 !9 = metadata !{metadata !10} 66 !10 = metadata !{i32 786472, metadata !"X", i64 0} ; [ DW_TAG_enumerator ] [X :: 0] 67 !11 = metadata !{i32 0} 68 !12 = metadata !{metadata !13} 69 !13 = metadata !{i32 786478, metadata !1, metadata !14, metadata !"func", metadata !"func", metadata !"_Z4funcv", i32 3, metadata !15, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void ()* @_Z4funcv, null, null, metadata !11, i32 3} ; [ DW_TAG_subprogram ] [line 3] [def] [func] 70 !14 = metadata !{i32 786473, metadata !1} ; [ DW_TAG_file_type ] [/tmp/enum.cpp] 71 !15 = metadata !{i32 786453, i32 0, i32 0, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !16, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 72 !16 = metadata !{null} 73 !17 = metadata !{metadata !18} 74 !18 = metadata !{i32 786484, i32 0, null, metadata !"a", metadata !"a", metadata !"", metadata !14, i32 1, metadata !3, i32 0, i32 1, i64* @a, null} ; [ DW_TAG_variable ] [a] [line 1] [def] 75 !19 = metadata !{i32 2, metadata !"Dwarf Version", i32 3} 76 !20 = metadata !{i32 786688, metadata !13, metadata !"b", metadata !14, i32 4, metadata !21, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [b] [line 4] 77 !21 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed] 78 !22 = metadata !{i32 4, i32 0, metadata !13, null} 79 !23 = metadata !{i32 5, i32 0, metadata !13, null} 80
