forked from OSchip/llvm-project
83 lines
3.6 KiB
LLVM
83 lines
3.6 KiB
LLVM
; REQUIRES: object-emission
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; RUN: %llc_dwarf -O0 -filetype=obj %s -o - | llvm-dwarfdump -debug-dump=info - | FileCheck %s
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; Use correct signedness when emitting constants of derived (sugared) types.
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; Test compiled to IR from clang with -O1 and the following source:
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; void func(int);
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; void func(unsigned);
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; void func(char16_t);
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; int main() {
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; const int i = 42;
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; func(i);
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; const unsigned j = 117;
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; func(j);
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; char16_t c = 7;
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; func(c);
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; }
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; CHECK: DW_AT_const_value [DW_FORM_sdata] (42)
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; CHECK: DW_AT_const_value [DW_FORM_udata] (117)
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; CHECK: DW_AT_const_value [DW_FORM_udata] (7)
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; Function Attrs: uwtable
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define i32 @main() #0 {
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entry:
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tail call void @llvm.dbg.value(metadata i32 42, i64 0, metadata !10, metadata !MDExpression()), !dbg !21
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tail call void @_Z4funci(i32 42), !dbg !22
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tail call void @llvm.dbg.value(metadata i32 117, i64 0, metadata !12, metadata !MDExpression()), !dbg !24
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tail call void @_Z4funcj(i32 117), !dbg !25
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tail call void @llvm.dbg.value(metadata i16 7, i64 0, metadata !15, metadata !MDExpression()), !dbg !27
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tail call void @_Z4funcDs(i16 zeroext 7), !dbg !28
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ret i32 0, !dbg !29
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}
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declare void @_Z4funci(i32) #1
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declare void @_Z4funcj(i32) #1
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declare void @_Z4funcDs(i16 zeroext) #1
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #2
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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" }
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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" }
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attributes #2 = { nounwind readnone }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!17, !18}
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!llvm.ident = !{!19}
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!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)
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!1 = !MDFile(filename: "const.cpp", directory: "/tmp/dbginfo")
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!2 = !{}
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!3 = !{!4}
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!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)
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!5 = !MDFile(filename: "const.cpp", directory: "/tmp/dbginfo")
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!6 = !MDSubroutineType(types: !7)
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!7 = !{!8}
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!8 = !MDBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!9 = !{!10, !12, !15}
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!10 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "i", line: 5, scope: !4, file: !5, type: !11)
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!11 = !MDDerivedType(tag: DW_TAG_const_type, baseType: !8)
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!12 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "j", line: 7, scope: !4, file: !5, type: !13)
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!13 = !MDDerivedType(tag: DW_TAG_const_type, baseType: !14)
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!14 = !MDBasicType(tag: DW_TAG_base_type, name: "unsigned int", size: 32, align: 32, encoding: DW_ATE_unsigned)
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!15 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "c", line: 9, scope: !4, file: !5, type: !16)
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!16 = !MDBasicType(tag: DW_TAG_base_type, name: "char16_t", size: 16, align: 16, encoding: 16)
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!17 = !{i32 2, !"Dwarf Version", i32 4}
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!18 = !{i32 1, !"Debug Info Version", i32 3}
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!19 = !{!"clang version 3.5.0 "}
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!20 = !{i32 42}
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!21 = !MDLocation(line: 5, scope: !4)
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!22 = !MDLocation(line: 6, scope: !4)
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!23 = !{i32 117}
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!24 = !MDLocation(line: 7, scope: !4)
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!25 = !MDLocation(line: 8, scope: !4)
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!26 = !{i16 7}
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!27 = !MDLocation(line: 9, scope: !4)
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!28 = !MDLocation(line: 10, scope: !4)
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!29 = !MDLocation(line: 11, scope: !4)
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