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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
103 lines
5.0 KiB
LLVM
103 lines
5.0 KiB
LLVM
; REQUIRES: object-emission
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;
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; RUN: llvm-link %s %p/type-unique-odr-b.ll -S -o - | %llc_dwarf -filetype=obj -O0 | llvm-dwarfdump -debug-dump=info - | FileCheck %s
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;
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; Test ODR-based type uniquing for C++ class members.
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; rdar://problem/15851313.
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;
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; $ cat -n type-unique-odr-a.cpp
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; 1 class A {
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; 2 int data;
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; 3 protected:
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; 4 void getFoo();
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; 5 };
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; 6
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; 7 static void bar() {
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; 8 A a;
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; 9 }
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; 10
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; 11 void baz() { bar(); }
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;; #include "ab.h"
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; foo_t bar() {
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; return A().getFoo();
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; }
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;
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; CHECK: DW_TAG_class_type
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; CHECK-NEXT: DW_AT_name {{.*}} "A"
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; CHECK-NOT: DW_TAG
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; CHECK: DW_TAG_member
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; CHECK-NEXT: DW_AT_name {{.*}} "data"
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; CHECK-NOT: DW_TAG
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; CHECK: DW_TAG_subprogram
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_MIPS_linkage_name {{.*}} "_ZN1A6getFooEv"
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_name {{.*}} "getFoo"
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; CHECK: DW_TAG_subprogram
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_MIPS_linkage_name {{.*}} "_Z3bazv"
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; CHECK: DW_TAG_subprogram
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_MIPS_linkage_name {{.*}} "_ZL3barv"
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; getFoo and A may only appear once.
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; CHECK-NOT: {{(getFoo)|("A")}}
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; ModuleID = 'type-unique-odr-a.cpp'
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%class.A = type { i32 }
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; Function Attrs: nounwind
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define void @_Z3bazv() #0 {
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entry:
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call void @_ZL3barv(), !dbg !23
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ret void, !dbg !23
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}
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; Function Attrs: nounwind
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define internal void @_ZL3barv() #0 {
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entry:
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%a = alloca %class.A, align 4
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call void @llvm.dbg.declare(metadata !{%class.A* %a}, metadata !24), !dbg !25
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ret void, !dbg !26
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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 }
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attributes #1 = { nounwind readnone }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!20, !21}
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!llvm.ident = !{!22}
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!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.5.0 ", i1 false, metadata !"", i32 0, metadata !2, metadata !3, metadata !14, metadata !2, metadata !2, metadata !"", i32 1} ; [ DW_TAG_compile_unit ] [<unknown>] [DW_LANG_C_plus_plus]
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!1 = metadata !{metadata !"<unknown>", metadata !""}
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!2 = metadata !{}
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!3 = metadata !{metadata !4}
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!4 = metadata !{i32 786434, metadata !5, null, metadata !"A", i32 1, i64 32, i64 32, i32 0, i32 0, null, metadata !6, i32 0, null, null, metadata !"_ZTS1A"} ; [ DW_TAG_class_type ] [A] [line 1, size 32, align 32, offset 0] [def] [from ]
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!5 = metadata !{metadata !"type-unique-odr-a.cpp", metadata !""}
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!6 = metadata !{metadata !7, metadata !9}
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!7 = metadata !{i32 786445, metadata !5, metadata !"_ZTS1A", metadata !"data", i32 2, i64 32, i64 32, i64 0, i32 1, metadata !8} ; [ DW_TAG_member ] [data] [line 2, size 32, align 32, offset 0] [private] [from int]
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!8 = 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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!9 = metadata !{i32 786478, metadata !5, metadata !"_ZTS1A", metadata !"getFoo", metadata !"getFoo", metadata !"_ZN1A6getFooEv", i32 4, metadata !10, i1 false, i1 false, i32 0, i32 0, null, i32 258, i1 false, null, null, i32 0, metadata !13, i32 4} ; [ DW_TAG_subprogram ] [line 4] [protected] [getFoo]
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!10 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !11, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!11 = metadata !{null, metadata !12}
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!12 = 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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!13 = metadata !{i32 786468}
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!14 = metadata !{metadata !15, metadata !19}
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!15 = metadata !{i32 786478, metadata !5, metadata !16, metadata !"baz", metadata !"baz", metadata !"_Z3bazv", i32 11, metadata !17, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void ()* @_Z3bazv, null, null, metadata !2, i32 11} ; [ DW_TAG_subprogram ] [line 11] [def] [baz]
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!16 = metadata !{i32 786473, metadata !5} ; [ DW_TAG_file_type ] [type-unique-odr-a.cpp]
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!17 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !18, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!18 = metadata !{null}
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!19 = metadata !{i32 786478, metadata !5, metadata !16, metadata !"bar", metadata !"bar", metadata !"_ZL3barv", i32 7, metadata !17, i1 true, i1 true, i32 0, i32 0, null, i32 256, i1 false, void ()* @_ZL3barv, null, null, metadata !2, i32 7} ; [ DW_TAG_subprogram ] [line 7] [local] [def] [bar]
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!20 = metadata !{i32 2, metadata !"Dwarf Version", i32 4}
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!21 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
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!22 = metadata !{metadata !"clang version 3.5.0 "}
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!23 = metadata !{i32 11, i32 0, metadata !15, null}
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!24 = metadata !{i32 786688, metadata !19, metadata !"a", metadata !16, i32 8, metadata !"_ZTS1A", i32 0, i32 0} ; [ DW_TAG_auto_variable ] [a] [line 8]
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!25 = metadata !{i32 8, i32 0, metadata !19, null} ; [ DW_TAG_imported_declaration ]
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!26 = metadata !{i32 9, i32 0, metadata !19, null}
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