1 ; REQUIRES: object-emission
3 ; RUN: %llc_dwarf -O0 -filetype=obj %s -o - | llvm-dwarfdump -debug-dump=info - | FileCheck %s
4 ; Use correct signedness when emitting constants of derived (sugared) types.
6 ; Test compiled to IR from clang with -O1 and the following source:
10 ; void func(char16_t);
14 ; const unsigned j = 117;
20 ; CHECK: DW_AT_const_value [DW_FORM_sdata] (42)
21 ; CHECK: DW_AT_const_value [DW_FORM_udata] (117)
22 ; CHECK: DW_AT_const_value [DW_FORM_udata] (7)
24 ; Function Attrs: uwtable
25 define i32 @main() #0 {
27 tail call void @llvm.dbg.value(metadata i32 42, i64 0, metadata !10, metadata !MDExpression()), !dbg !21
28 tail call void @_Z4funci(i32 42), !dbg !22
29 tail call void @llvm.dbg.value(metadata i32 117, i64 0, metadata !12, metadata !MDExpression()), !dbg !24
30 tail call void @_Z4funcj(i32 117), !dbg !25
31 tail call void @llvm.dbg.value(metadata i16 7, i64 0, metadata !15, metadata !MDExpression()), !dbg !27
32 tail call void @_Z4funcDs(i16 zeroext 7), !dbg !28
36 declare void @_Z4funci(i32) #1
38 declare void @_Z4funcj(i32) #1
40 declare void @_Z4funcDs(i16 zeroext) #1
42 ; Function Attrs: nounwind readnone
43 declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #2
45 attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
46 attributes #1 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
47 attributes #2 = { nounwind readnone }
50 !llvm.module.flags = !{!17, !18}
53 !0 = !MDCompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 ", isOptimized: true, emissionKind: 1, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2)
54 !1 = !MDFile(filename: "const.cpp", directory: "/tmp/dbginfo")
57 !4 = !MDSubprogram(name: "main", line: 4, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 4, file: !1, scope: !5, type: !6, function: i32 ()* @main, variables: !9)
58 !5 = !MDFile(filename: "const.cpp", directory: "/tmp/dbginfo")
59 !6 = !MDSubroutineType(types: !7)
61 !8 = !MDBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
63 !10 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "i", line: 5, scope: !4, file: !5, type: !11)
64 !11 = !MDDerivedType(tag: DW_TAG_const_type, baseType: !8)
65 !12 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "j", line: 7, scope: !4, file: !5, type: !13)
66 !13 = !MDDerivedType(tag: DW_TAG_const_type, baseType: !14)
67 !14 = !MDBasicType(tag: DW_TAG_base_type, name: "unsigned int", size: 32, align: 32, encoding: DW_ATE_unsigned)
68 !15 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "c", line: 9, scope: !4, file: !5, type: !16)
69 !16 = !MDBasicType(tag: DW_TAG_base_type, name: "char16_t", size: 16, align: 16, encoding: 16)
70 !17 = !{i32 2, !"Dwarf Version", i32 4}
71 !18 = !{i32 1, !"Debug Info Version", i32 3}
72 !19 = !{!"clang version 3.5.0 "}
74 !21 = !MDLocation(line: 5, scope: !4)
75 !22 = !MDLocation(line: 6, scope: !4)
77 !24 = !MDLocation(line: 7, scope: !4)
78 !25 = !MDLocation(line: 8, scope: !4)
80 !27 = !MDLocation(line: 9, scope: !4)
81 !28 = !MDLocation(line: 10, scope: !4)
82 !29 = !MDLocation(line: 11, scope: !4)