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 25define i32 @main() #0 { 26entry: 27 tail call void @llvm.dbg.value(metadata i32 42, i64 0, metadata !10, metadata !{!"0x102"}), !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 !{!"0x102"}), !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 !{!"0x102"}), !dbg !27 32 tail call void @_Z4funcDs(i16 zeroext 7), !dbg !28 33 ret i32 0, !dbg !29 34} 35 36declare void @_Z4funci(i32) #1 37 38declare void @_Z4funcj(i32) #1 39 40declare void @_Z4funcDs(i16 zeroext) #1 41 42; Function Attrs: nounwind readnone 43declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #2 44 45attributes #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" } 46attributes #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" } 47attributes #2 = { nounwind readnone } 48 49!llvm.dbg.cu = !{!0} 50!llvm.module.flags = !{!17, !18} 51!llvm.ident = !{!19} 52 53!0 = !{!"0x11\004\00clang version 3.5.0 \001\00\000\00\001", !1, !2, !2, !3, !2, !2} ; [ DW_TAG_compile_unit ] [/tmp/dbginfo/const.cpp] [DW_LANG_C_plus_plus] 54!1 = !{!"const.cpp", !"/tmp/dbginfo"} 55!2 = !{} 56!3 = !{!4} 57!4 = !{!"0x2e\00main\00main\00\004\000\001\000\006\00256\001\004", !1, !5, !6, null, i32 ()* @main, null, null, !9} ; [ DW_TAG_subprogram ] [line 4] [def] [main] 58!5 = !{!"0x29", !1} ; [ DW_TAG_file_type ] [/tmp/dbginfo/const.cpp] 59!6 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !7, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 60!7 = !{!8} 61!8 = !{!"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed] 62!9 = !{!10, !12, !15} 63!10 = !{!"0x100\00i\005\000", !4, !5, !11} ; [ DW_TAG_auto_variable ] [i] [line 5] 64!11 = !{!"0x26\00\000\000\000\000\000", null, null, !8} ; [ DW_TAG_const_type ] [line 0, size 0, align 0, offset 0] [from int] 65!12 = !{!"0x100\00j\007\000", !4, !5, !13} ; [ DW_TAG_auto_variable ] [j] [line 7] 66!13 = !{!"0x26\00\000\000\000\000\000", null, null, !14} ; [ DW_TAG_const_type ] [line 0, size 0, align 0, offset 0] [from unsigned int] 67!14 = !{!"0x24\00unsigned int\000\0032\0032\000\000\007", null, null} ; [ DW_TAG_base_type ] [unsigned int] [line 0, size 32, align 32, offset 0, enc DW_ATE_unsigned] 68!15 = !{!"0x100\00c\009\000", !4, !5, !16} ; [ DW_TAG_auto_variable ] [c] [line 9] 69!16 = !{!"0x24\00char16_t\000\0016\0016\000\000\0016", null, null} ; [ DW_TAG_base_type ] [char16_t] [line 0, size 16, align 16, offset 0, enc DW_ATE_UTF] 70!17 = !{i32 2, !"Dwarf Version", i32 4} 71!18 = !{i32 1, !"Debug Info Version", i32 2} 72!19 = !{!"clang version 3.5.0 "} 73!20 = !{i32 42} 74!21 = !MDLocation(line: 5, scope: !4) 75!22 = !MDLocation(line: 6, scope: !4) 76!23 = !{i32 117} 77!24 = !MDLocation(line: 7, scope: !4) 78!25 = !MDLocation(line: 8, scope: !4) 79!26 = !{i16 7} 80!27 = !MDLocation(line: 9, scope: !4) 81!28 = !MDLocation(line: 10, scope: !4) 82!29 = !MDLocation(line: 11, scope: !4) 83