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7c3ec60da7
The main lists of debug info metadata attached to the compile_unit had an extra layer of metadata nodes they went through for no apparent reason. This patch removes that (& still passes just as much of the GDB 7.5 test suite). If anyone can show evidence as to why these extra metadata nodes are there I'm open to reverting this patch & documenting why they're there. llvm-svn: 174266
49 lines
2.6 KiB
LLVM
49 lines
2.6 KiB
LLVM
; RUN: llc -mtriple=x86_64-pc-linux-gnu %s -o %t -filetype=obj
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; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s
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; ModuleID = 'test.c'
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@GLB = common global i32 0, align 4
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define i32 @f() nounwind {
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%LOC = alloca i32, align 4
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call void @llvm.dbg.declare(metadata !{i32* %LOC}, metadata !15), !dbg !17
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%1 = load i32* @GLB, align 4, !dbg !18
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store i32 %1, i32* %LOC, align 4, !dbg !18
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%2 = load i32* @GLB, align 4, !dbg !19
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ret i32 %2, !dbg !19
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}
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declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
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!llvm.dbg.cu = !{!0}
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!0 = metadata !{i32 720913, i32 0, i32 12, metadata !"test.c", metadata !"/work/llvm/vanilla/test/DebugInfo", metadata !"clang version 3.0 (trunk)", i1 true, i1 false, metadata !"", i32 0, metadata !1, metadata !1, metadata !3, metadata !12} ; [ DW_TAG_compile_unit ]
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!1 = metadata !{i32 0}
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!3 = metadata !{metadata !5}
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!5 = metadata !{i32 720942, i32 0, metadata !6, metadata !"f", metadata !"f", metadata !"", metadata !6, i32 3, metadata !7, i1 false, i1 true, i32 0, i32 0, i32 0, i32 0, i1 false, i32 ()* @f, null, null, metadata !10} ; [ DW_TAG_subprogram ]
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!6 = metadata !{i32 720937, metadata !"test.c", metadata !"/work/llvm/vanilla/test/DebugInfo", null} ; [ DW_TAG_file_type ]
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!7 = metadata !{i32 720917, i32 0, metadata !"", i32 0, i32 0, i64 0, i64 0, i32 0, i32 0, i32 0, metadata !8, i32 0, i32 0} ; [ DW_TAG_subroutine_type ]
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!8 = metadata !{metadata !9}
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!9 = metadata !{i32 720932, null, metadata !"int", null, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
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!10 = metadata !{metadata !11}
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!11 = metadata !{i32 720932} ; [ DW_TAG_base_type ]
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!12 = metadata !{metadata !14}
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!14 = metadata !{i32 720948, i32 0, null, metadata !"GLB", metadata !"GLB", metadata !"", metadata !6, i32 1, metadata !9, i32 0, i32 1, i32* @GLB} ; [ DW_TAG_variable ]
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!15 = metadata !{i32 721152, metadata !16, metadata !"LOC", metadata !6, i32 4, metadata !9, i32 0, i32 0} ; [ DW_TAG_auto_variable ]
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!16 = metadata !{i32 720907, metadata !5, i32 3, i32 9, metadata !6, i32 0} ; [ DW_TAG_lexical_block ]
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!17 = metadata !{i32 4, i32 9, metadata !16, null}
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!18 = metadata !{i32 4, i32 23, metadata !16, null}
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!19 = metadata !{i32 5, i32 5, metadata !16, null}
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; CHECK: DW_TAG_variable [3]
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; CHECK: DW_AT_name [DW_FORM_strp] ( .debug_str[0x00000043] = "GLB")
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; CHECK: DW_AT_decl_file [DW_FORM_data1] (0x01)
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; CHECK: DW_AT_decl_line [DW_FORM_data1] (0x01)
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; CHECK: DW_TAG_variable [6]
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; CHECK: DW_AT_name [DW_FORM_strp] ( .debug_str[0x0000004d] = "LOC")
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; CHECK: DW_AT_decl_file [DW_FORM_data1] (0x01)
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; CHECK: DW_AT_decl_line [DW_FORM_data1] (0x04)
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