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https://github.com/c64scene-ar/llvm-6502.git
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1dd4e56d55
Few weeks ago, llvm completely inverted the debug info graph. Earlier each debug info node used to keep track of its compile unit, now compile unit keeps track of important nodes. One impact of this change is that the global variable's do not have any context, which should be checked before deciding to use AT_specification DIE. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140282 91177308-0d34-0410-b5e6-96231b3b80d8
21 lines
1.2 KiB
LLVM
21 lines
1.2 KiB
LLVM
; RUN: llc < %s | FileCheck %s
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; Radar 10147769
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; Do not unnecessarily use AT_specification DIE.
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; CHECK-NOT: AT_specification
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@a = common global [10 x i32] zeroinitializer, align 16
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!llvm.dbg.cu = !{!0}
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!0 = metadata !{i32 720913, i32 0, i32 12, metadata !"x.c", metadata !"/private/tmp", metadata !"clang version 3.0 (trunk 140253)", i1 true, i1 false, metadata !"", i32 0, metadata !1, metadata !1, metadata !1, metadata !3} ; [ DW_TAG_compile_unit ]
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!1 = metadata !{metadata !2}
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!2 = metadata !{i32 0}
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!3 = metadata !{metadata !4}
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!4 = metadata !{metadata !5}
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!5 = metadata !{i32 720948, i32 0, null, metadata !"a", metadata !"a", metadata !"", metadata !6, i32 1, metadata !7, i32 0, i32 1, [10 x i32]* @a} ; [ DW_TAG_variable ]
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!6 = metadata !{i32 720937, metadata !"x.c", metadata !"/private/tmp", null} ; [ DW_TAG_file_type ]
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!7 = metadata !{i32 720897, null, metadata !"", null, i32 0, i64 320, i64 32, i32 0, i32 0, metadata !8, metadata !9, i32 0, i32 0} ; [ DW_TAG_array_type ]
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!8 = 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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!9 = metadata !{metadata !10}
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!10 = metadata !{i32 720929, i64 0, i64 9} ; [ DW_TAG_subrange_type ]
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