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https://github.com/c64scene-ar/llvm-6502.git
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254d093f99
A further step to correctly emitting concrete out of line definitions preceeding inlined instances of the same program. To do this, emission of subprograms must be delayed until required since we don't know which (abstract only (if there's no out of line definition), concrete only (if there are no inlined instances), or both) DIEs are required at the start of the module. To reduce the test churn in the following commit that actually fixes the bug, this commit introduces the lazy DIE construction and cleans up test cases that are impacted by the changes in the resulting DIE ordering. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209675 91177308-0d34-0410-b5e6-96231b3b80d8
100 lines
5.3 KiB
LLVM
100 lines
5.3 KiB
LLVM
; RUN: %llc_dwarf -O0 -filetype=obj -o %t.o %s
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; RUN: llvm-dwarfdump -debug-dump=info %t.o | FileCheck %s
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; REQUIRES: object-emission
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;
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; Test debug info for variadic function arguments.
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; Created from tools/clang/tests/CodeGenCXX/debug-info-varargs.cpp
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;
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; The ... parameter of variadic should be emitted as
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; DW_TAG_unspecified_parameters.
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;
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; Normal variadic function.
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; void b(int c, ...);
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;
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; CHECK: DW_TAG_subprogram
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_name {{.*}} "a"
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; CHECK-NOT: DW_TAG
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; CHECK: DW_TAG_formal_parameter
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; CHECK-NOT: DW_TAG
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; CHECK: DW_TAG_formal_parameter
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; CHECK-NOT: DW_TAG
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; CHECK: DW_TAG_unspecified_parameters
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;
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; CHECK: DW_TAG_subprogram
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_name {{.*}} "b"
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; CHECK-NOT: DW_TAG
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; CHECK: DW_TAG_formal_parameter
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; CHECK-NOT: DW_TAG
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; CHECK: DW_TAG_unspecified_parameters
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;
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; Variadic C++ member function.
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; struct A { void a(int c, ...); }
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;
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; Variadic function pointer.
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; void (*fptr)(int, ...);
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;
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; CHECK: DW_TAG_subroutine_type
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; CHECK-NOT: DW_TAG
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; CHECK: DW_TAG_formal_parameter
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; CHECK-NOT: DW_TAG
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; CHECK: DW_TAG_unspecified_parameters
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;
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; ModuleID = 'llvm/tools/clang/test/CodeGenCXX/debug-info-varargs.cpp'
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%struct.A = type { i8 }
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; Function Attrs: nounwind ssp uwtable
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define void @_Z1biz(i32 %c, ...) #0 {
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%1 = alloca i32, align 4
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%a = alloca %struct.A, align 1
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%fptr = alloca void (i32, ...)*, align 8
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store i32 %c, i32* %1, align 4
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call void @llvm.dbg.declare(metadata !{i32* %1}, metadata !21), !dbg !22
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call void @llvm.dbg.declare(metadata !{%struct.A* %a}, metadata !23), !dbg !24
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call void @llvm.dbg.declare(metadata !{void (i32, ...)** %fptr}, metadata !25), !dbg !27
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store void (i32, ...)* @_Z1biz, void (i32, ...)** %fptr, align 8, !dbg !27
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ret void, !dbg !28
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}
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.declare(metadata, metadata) #1
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attributes #0 = { nounwind ssp uwtable }
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attributes #1 = { nounwind readnone }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!18, !19}
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!llvm.ident = !{!20}
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!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.5 ", i1 false, metadata !"", i32 0, metadata !2, metadata !3, metadata !13, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [llvm/tools/clang/test/CodeGenCXX/debug-info-varargs.cpp] [DW_LANG_C_plus_plus]
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!1 = metadata !{metadata !"llvm/tools/clang/test/CodeGenCXX/debug-info-varargs.cpp", metadata !"radar/13690847"}
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!2 = metadata !{}
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!3 = metadata !{metadata !4}
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!4 = metadata !{i32 786451, metadata !1, null, metadata !"A", i32 3, i64 8, i64 8, i32 0, i32 0, null, metadata !5, i32 0, null, null, metadata !"_ZTS1A"} ; [ DW_TAG_structure_type ] [A] [line 3, size 8, align 8, offset 0] [def] [from ]
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!5 = metadata !{metadata !6}
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!6 = metadata !{i32 786478, metadata !1, metadata !"_ZTS1A", metadata !"a", metadata !"a", metadata !"_ZN1A1aEiz", i32 6, metadata !7, i1 false, i1 false, i32 0, i32 0, null, i32 256, i1 false, null, null, i32 0, metadata !12, i32 6} ; [ DW_TAG_subprogram ] [line 6] [a]
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!7 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!8 = metadata !{null, metadata !9, metadata !10, metadata !11}
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!9 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !"_ZTS1A"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1A]
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!10 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
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!11 = metadata !{i32 786456}
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!12 = metadata !{i32 786468}
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!13 = metadata !{metadata !14}
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!14 = metadata !{i32 786478, metadata !1, metadata !15, metadata !"b", metadata !"b", metadata !"_Z1biz", i32 13, metadata !16, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (i32, ...)* @_Z1biz, null, null, metadata !2, i32 13} ; [ DW_TAG_subprogram ] [line 13] [def] [b]
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!15 = metadata !{i32 786473, metadata !1} ; [ DW_TAG_file_type ] [llvm/tools/clang/test/CodeGenCXX/debug-info-varargs.cpp]
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!16 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !17, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!17 = metadata !{null, metadata !10, metadata !11}
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!18 = metadata !{i32 2, metadata !"Dwarf Version", i32 2}
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!19 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
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!20 = metadata !{metadata !"clang version 3.5 "}
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!21 = metadata !{i32 786689, metadata !14, metadata !"c", metadata !15, i32 16777229, metadata !10, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [c] [line 13]
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!22 = metadata !{i32 13, i32 0, metadata !14, null}
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!23 = metadata !{i32 786688, metadata !14, metadata !"a", metadata !15, i32 16, metadata !4, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [a] [line 16]
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!24 = metadata !{i32 16, i32 0, metadata !14, null}
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!25 = metadata !{i32 786688, metadata !14, metadata !"fptr", metadata !15, i32 18, metadata !26, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [fptr] [line 18]
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!26 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !16} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from ]
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!27 = metadata !{i32 18, i32 0, metadata !14, null}
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!28 = metadata !{i32 22, i32 0, metadata !14, null}
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