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4a5feedcaa
This commit moves `MDLocation`, finishing off PR21433. There's an
accompanying clang commit for frontend testcases. I'll attach the
testcase upgrade script I used to PR21433 to help out-of-tree
frontends/backends.
This changes the schema for `DebugLoc` and `DILocation` from:
!{i32 3, i32 7, !7, !8}
to:
!MDLocation(line: 3, column: 7, scope: !7, inlinedAt: !8)
Note that empty fields (line/column: 0 and inlinedAt: null) don't get
printed by the assembly writer.
llvm-svn: 226048
83 lines
3.9 KiB
LLVM
83 lines
3.9 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 !{!"0x102"}), !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 !{!"0x102"}), !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 !{!"0x102"}), !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 = !{!"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]
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!1 = !{!"const.cpp", !"/tmp/dbginfo"}
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!2 = !{}
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!3 = !{!4}
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!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]
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!5 = !{!"0x29", !1} ; [ DW_TAG_file_type ] [/tmp/dbginfo/const.cpp]
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!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 ]
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!7 = !{!8}
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!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]
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!9 = !{!10, !12, !15}
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!10 = !{!"0x100\00i\005\000", !4, !5, !11} ; [ DW_TAG_auto_variable ] [i] [line 5]
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!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]
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!12 = !{!"0x100\00j\007\000", !4, !5, !13} ; [ DW_TAG_auto_variable ] [j] [line 7]
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!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]
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!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]
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!15 = !{!"0x100\00c\009\000", !4, !5, !16} ; [ DW_TAG_auto_variable ] [c] [line 9]
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!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]
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!17 = !{i32 2, !"Dwarf Version", i32 4}
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!18 = !{i32 1, !"Debug Info Version", i32 2}
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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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