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      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 {
     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" "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 = 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, null, null, null} ; [ 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, null, null, null} ; [ 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 !{}
     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, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !16, i32 0, null, null, null} ; [ 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 !24 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
     81