1 ; REQUIRES: object-emission 2 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. 5 6 ; Test compiled to IR from clang with -O1 and the following source: 7 8 ; void func(int); 9 ; void func(unsigned); 10 ; void func(char16_t); 11 ; int main() { 12 ; const int i = 42; 13 ; func(i); 14 ; const unsigned j = 117; 15 ; func(j); 16 ; char16_t c = 7; 17 ; func(c); 18 ; } 19 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) 23 24 ; Function Attrs: uwtable 25 define i32 @main() #0 !dbg !4 { 26 entry: 27 tail call void @llvm.dbg.value(metadata i32 42, i64 0, metadata !10, metadata !DIExpression()), !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 !DIExpression()), !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 !DIExpression()), !dbg !27 32 tail call void @_Z4funcDs(i16 zeroext 7), !dbg !28 33 ret i32 0, !dbg !29 34 } 35 36 declare void @_Z4funci(i32) #1 37 38 declare void @_Z4funcj(i32) #1 39 40 declare void @_Z4funcDs(i16 zeroext) #1 41 42 ; Function Attrs: nounwind readnone 43 declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #2 44 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 } 48 49 !llvm.dbg.cu = !{!0} 50 !llvm.module.flags = !{!17, !18} 51 !llvm.ident = !{!19} 52 53 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 ", isOptimized: true, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2) 54 !1 = !DIFile(filename: "const.cpp", directory: "/tmp/dbginfo") 55 !2 = !{} 56 !4 = distinct !DISubprogram(name: "main", line: 4, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 4, file: !1, scope: !5, type: !6, variables: !9) 57 !5 = !DIFile(filename: "const.cpp", directory: "/tmp/dbginfo") 58 !6 = !DISubroutineType(types: !7) 59 !7 = !{!8} 60 !8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 61 !9 = !{!10, !12, !15} 62 !10 = !DILocalVariable(name: "i", line: 5, scope: !4, file: !5, type: !11) 63 !11 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !8) 64 !12 = !DILocalVariable(name: "j", line: 7, scope: !4, file: !5, type: !13) 65 !13 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !14) 66 !14 = !DIBasicType(tag: DW_TAG_base_type, name: "unsigned int", size: 32, align: 32, encoding: DW_ATE_unsigned) 67 !15 = !DILocalVariable(name: "c", line: 9, scope: !4, file: !5, type: !16) 68 !16 = !DIBasicType(tag: DW_TAG_base_type, name: "char16_t", size: 16, align: 16, encoding: 16) 69 !17 = !{i32 2, !"Dwarf Version", i32 4} 70 !18 = !{i32 1, !"Debug Info Version", i32 3} 71 !19 = !{!"clang version 3.5.0 "} 72 !20 = !{i32 42} 73 !21 = !DILocation(line: 5, scope: !4) 74 !22 = !DILocation(line: 6, scope: !4) 75 !23 = !{i32 117} 76 !24 = !DILocation(line: 7, scope: !4) 77 !25 = !DILocation(line: 8, scope: !4) 78 !26 = !{i16 7} 79 !27 = !DILocation(line: 9, scope: !4) 80 !28 = !DILocation(line: 10, scope: !4) 81 !29 = !DILocation(line: 11, scope: !4) 82
