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https://github.com/c64scene-ar/llvm-6502.git
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e240cc0b4b
frontends to use a DIExpression with a DW_OP_deref instead. This is not only a much more natural place for this informationl; there is also a technical reason: The FlagIndirectVariable is used to mark a variable that is turned into a reference by virtue of the calling convention; this happens for example to aggregate return values. The inliner, for example, may actually need to undo this indirection to correctly represent the value in its new context. This is impossible to implement because the DIVariable can't be safely modified. We can however safely construct a new DIExpression on the fly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226476 91177308-0d34-0410-b5e6-96231b3b80d8
101 lines
5.1 KiB
LLVM
101 lines
5.1 KiB
LLVM
; REQUIRES: object-emission
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; Test (r)value qualifiers on C++11 non-static member functions.
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; Generated from tools/clang/test/CodeGenCXX/debug-info-qualifiers.cpp
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;
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; class A {
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; public:
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; void l() const &;
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; void r() const &&;
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; };
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;
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; void g() {
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; A a;
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; auto pl = &A::l;
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; auto pr = &A::r;
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; }
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;
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; RUN: %llc_dwarf -filetype=obj -O0 < %s | llvm-dwarfdump - | FileCheck %s
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; CHECK: DW_TAG_subroutine_type DW_CHILDREN_yes
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; CHECK-NEXT: DW_AT_reference DW_FORM_flag_present
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; CHECK: DW_TAG_subroutine_type DW_CHILDREN_yes
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; CHECK-NEXT: DW_AT_rvalue_reference DW_FORM_flag_present
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;
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; CHECK: DW_TAG_subprogram
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; CHECK-NOT: DW_TAG_subprogram
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; CHECK: DW_AT_name {{.*}}"l"
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; CHECK-NOT: DW_TAG_subprogram
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; CHECK: DW_AT_reference [DW_FORM_flag_present] (true)
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; CHECK: DW_TAG_subprogram
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; CHECK-NOT: DW_TAG_subprogram
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; CHECK: DW_AT_name {{.*}}"r"
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; CHECK-NOT: DW_TAG_subprogram
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; CHECK: DW_AT_rvalue_reference [DW_FORM_flag_present] (true)
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%class.A = type { i8 }
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; Function Attrs: nounwind
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define void @_Z1gv() #0 {
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%a = alloca %class.A, align 1
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%pl = alloca { i64, i64 }, align 8
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%pr = alloca { i64, i64 }, align 8
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call void @llvm.dbg.declare(metadata %class.A* %a, metadata !24, metadata !{!"0x102"}), !dbg !25
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call void @llvm.dbg.declare(metadata { i64, i64 }* %pl, metadata !26, metadata !{!"0x102"}), !dbg !31
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store { i64, i64 } { i64 ptrtoint (void (%class.A*)* @_ZNKR1A1lEv to i64), i64 0 }, { i64, i64 }* %pl, align 8, !dbg !31
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call void @llvm.dbg.declare(metadata { i64, i64 }* %pr, metadata !32, metadata !{!"0x102"}), !dbg !35
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store { i64, i64 } { i64 ptrtoint (void (%class.A*)* @_ZNKO1A1rEv to i64), i64 0 }, { i64, i64 }* %pr, align 8, !dbg !35
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ret void, !dbg !36
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}
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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declare void @_ZNKR1A1lEv(%class.A*)
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declare void @_ZNKO1A1rEv(%class.A*)
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attributes #0 = { nounwind }
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attributes #1 = { nounwind readnone }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!21, !22}
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!llvm.ident = !{!23}
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!0 = !{!"0x11\004\00clang version 3.5 \000\00\000\00\000", !1, !2, !3, !16, !2, !2} ; [ DW_TAG_compile_unit ] [] [DW_LANG_C_plus_plus]
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!1 = !{!"", !""}
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!2 = !{}
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!3 = !{!4}
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!4 = !{!"0x2\00A\002\008\008\000\000\000", !5, null, null, !6, null, null, !"_ZTS1A"} ; [ DW_TAG_class_type ] [A] [line 2, size 8, align 8, offset 0] [def] [from ]
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!5 = !{!"debug-info-qualifiers.cpp", !""}
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!6 = !{!7, !13}
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!7 = !{!"0x2e\00l\00l\00_ZNKR1A1lEv\005\000\000\000\006\008448\000\005", !5, !"_ZTS1A", !8, null, null, null, i32 0, !12} ; [ DW_TAG_subprogram ] [line 5] [reference] [l]
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!8 = !{!"0x15\00\000\000\000\000\008192\000", i32 0, null, null, !9, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [reference] [from ]
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!9 = !{null, !10}
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!10 = !{!"0xf\00\000\0064\0064\000\001088", null, null, !11} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from ]
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!11 = !{!"0x26\00\000\000\000\000\000", null, null, !"_ZTS1A"} ; [ DW_TAG_const_type ] [line 0, size 0, align 0, offset 0] [from _ZTS1A]
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!12 = !{i32 786468}
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!13 = !{!"0x2e\00r\00r\00_ZNKO1A1rEv\007\000\000\000\006\0017408\000\007", !5, !"_ZTS1A", !14, null, null, null, i32 0, !15} ; [ DW_TAG_subprogram ] [line 7] [rvalue reference] [r]
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!14 = !{!"0x15\00\000\000\000\000\0016384\000", i32 0, null, null, !9, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [rvalue reference] [from ]
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!15 = !{i32 786468}
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!16 = !{!17}
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!17 = !{!"0x2e\00g\00g\00_Z1gv\0010\000\001\000\006\00256\000\0010", !5, !18, !19, null, void ()* @_Z1gv, null, null, !2} ; [ DW_TAG_subprogram ] [line 10] [def] [g]
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!18 = !{!"0x29", !5} ; [ DW_TAG_file_type ]
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!19 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !20, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!20 = !{null}
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!21 = !{i32 2, !"Dwarf Version", i32 4}
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!22 = !{i32 1, !"Debug Info Version", i32 2}
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!23 = !{!"clang version 3.5 "}
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!24 = !{!"0x100\00a\0011\000", !17, !18, !4} ; [ DW_TAG_auto_variable ] [a] [line 11]
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!25 = !MDLocation(line: 11, scope: !17)
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!26 = !{!"0x100\00pl\0016\000", !17, !18, !27} ; [ DW_TAG_auto_variable ] [pl] [line 16]
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!27 = !{!"0x1f\00\000\000\000\000\000", null, null, !28, !"_ZTS1A"} ; [ DW_TAG_ptr_to_member_type ] [line 0, size 0, align 0, offset 0] [from ]
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!28 = !{!"0x15\00\000\000\000\000\008192\000", i32 0, null, null, !29, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [reference] [from ]
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!29 = !{null, !30}
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!30 = !{!"0xf\00\000\0064\0064\000\001088", null, null, !"_ZTS1A"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1A]
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!31 = !MDLocation(line: 16, scope: !17)
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!32 = !{!"0x100\00pr\0021\000", !17, !18, !33} ; [ DW_TAG_auto_variable ] [pr] [line 21]
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!33 = !{!"0x1f\00\000\000\000\000\000", null, null, !34, !"_ZTS1A"} ; [ DW_TAG_ptr_to_member_type ] [line 0, size 0, align 0, offset 0] [from ]
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!34 = !{!"0x15\00\000\000\000\000\0016384\000", i32 0, null, null, !29, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [rvalue reference] [from ]
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!35 = !MDLocation(line: 21, scope: !17)
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!36 = !MDLocation(line: 22, scope: !17)
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