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https://github.com/c64scene-ar/llvm-6502.git
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83902832de
This reverts commit r218918, effectively reapplying r218914 after fixing an Ocaml bindings test and an Asan crash. The root cause of the latter was a tightened-up check in `DILexicalBlock::Verify()`, so I'll file a PR to investigate who requires the loose check (and why). Original commit message follows. -- This patch addresses the first stage of PR17891 by folding constant arguments together into a single MDString. Integers are stringified and a `\0` character is used as a separator. Part of PR17891. Note: I've attached my testcases upgrade scripts to the PR. If I've just broken your out-of-tree testcases, they might help. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219010 91177308-0d34-0410-b5e6-96231b3b80d8
83 lines
4.6 KiB
LLVM
83 lines
4.6 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 !20, i64 0, metadata !10, metadata !{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 !23, i64 0, metadata !12, metadata !{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 !26, i64 0, metadata !15, metadata !{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 = metadata !{metadata !"0x11\004\00clang version 3.5.0 \001\00\000\00\001", metadata !1, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2} ; [ DW_TAG_compile_unit ] [/tmp/dbginfo/const.cpp] [DW_LANG_C_plus_plus]
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!1 = metadata !{metadata !"const.cpp", metadata !"/tmp/dbginfo"}
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!2 = metadata !{}
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!3 = metadata !{metadata !4}
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!4 = metadata !{metadata !"0x2e\00main\00main\00\004\000\001\000\006\00256\001\004", metadata !1, metadata !5, metadata !6, null, i32 ()* @main, null, null, metadata !9} ; [ DW_TAG_subprogram ] [line 4] [def] [main]
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!5 = metadata !{metadata !"0x29", metadata !1} ; [ DW_TAG_file_type ] [/tmp/dbginfo/const.cpp]
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!6 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !7, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!7 = metadata !{metadata !8}
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!8 = metadata !{metadata !"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 = metadata !{metadata !10, metadata !12, metadata !15}
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!10 = metadata !{metadata !"0x100\00i\005\000", metadata !4, metadata !5, metadata !11} ; [ DW_TAG_auto_variable ] [i] [line 5]
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!11 = metadata !{metadata !"0x26\00\000\000\000\000\000", null, null, metadata !8} ; [ DW_TAG_const_type ] [line 0, size 0, align 0, offset 0] [from int]
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!12 = metadata !{metadata !"0x100\00j\007\000", metadata !4, metadata !5, metadata !13} ; [ DW_TAG_auto_variable ] [j] [line 7]
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!13 = metadata !{metadata !"0x26\00\000\000\000\000\000", null, null, metadata !14} ; [ DW_TAG_const_type ] [line 0, size 0, align 0, offset 0] [from unsigned int]
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!14 = metadata !{metadata !"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 = metadata !{metadata !"0x100\00c\009\000", metadata !4, metadata !5, metadata !16} ; [ DW_TAG_auto_variable ] [c] [line 9]
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!16 = metadata !{metadata !"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 = metadata !{i32 2, metadata !"Dwarf Version", i32 4}
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!18 = metadata !{i32 1, metadata !"Debug Info Version", i32 2}
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!19 = metadata !{metadata !"clang version 3.5.0 "}
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!20 = metadata !{i32 42}
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!21 = metadata !{i32 5, i32 0, metadata !4, null}
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!22 = metadata !{i32 6, i32 0, metadata !4, null}
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!23 = metadata !{i32 117}
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!24 = metadata !{i32 7, i32 0, metadata !4, null}
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!25 = metadata !{i32 8, i32 0, metadata !4, null}
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!26 = metadata !{i16 7}
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!27 = metadata !{i32 9, i32 0, metadata !4, null}
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!28 = metadata !{i32 10, i32 0, metadata !4, null}
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!29 = metadata !{i32 11, i32 0, metadata !4, null}
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