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https://github.com/c64scene-ar/llvm-6502.git
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d4017d0489
When a function gets replaced by `ModuleLinker`, drop superseded subprograms. This ensures that the "first" subprogram pointing at a function is the same one that `!dbg` references point at. This is a stop-gap fix for PR21910. Notably, this fixes Release+Asserts bootstraps that are currently asserting out in `LexicalScopes::initialize()` due to the explicit instantiations in `lib/IR/Dominators.cpp` eventually getting replaced by -argpromotion. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224389 91177308-0d34-0410-b5e6-96231b3b80d8
28 lines
1.4 KiB
LLVM
28 lines
1.4 KiB
LLVM
%struct.Class = type { i8 }
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define weak_odr i32 @_ZN5ClassIiE3fooEv(%struct.Class* %this) align 2 {
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entry:
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%this.addr = alloca %struct.Class*, align 8
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store %struct.Class* %this, %struct.Class** %this.addr, align 8
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%this1 = load %struct.Class** %this.addr
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ret i32 0, !dbg !12
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}
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!8, !9, !10}
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!llvm.ident = !{!11}
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!0 = !{!"0x11\004\00clang version 3.6.0 (trunk 224193) (llvm/trunk 224197)\000\00\000\00\002", !1, !2, !2, !3, !2, !2} ; [ DW_TAG_compile_unit ] [/Users/dexonsmith/data/llvm/staging/test/Linker/repro/d2/t2.cpp] [DW_LANG_C_plus_plus]
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!1 = !{!"t2.cpp", !"/Users/dexonsmith/data/llvm/staging/test/Linker/repro/d2"}
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!2 = !{}
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!3 = !{!4}
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!4 = !{!"0x2e\00foo\00foo\00\002\000\001\000\000\00256\000\002", !5, !6, !7, null, i32 (%struct.Class*)* @_ZN5ClassIiE3fooEv, null, null, !2} ; [ DW_TAG_subprogram ] [line 2] [def] [foo]
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!5 = !{!"../t.h", !"/Users/dexonsmith/data/llvm/staging/test/Linker/repro/d2"}
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!6 = !{!"0x29", !5} ; [ DW_TAG_file_type ] [/Users/dexonsmith/data/llvm/staging/test/Linker/repro/d2/../t.h]
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!7 = !{!"0x15\00\000\000\000\000\000\000", null, null, null, !2, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!8 = !{i32 2, !"Dwarf Version", i32 2}
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!9 = !{i32 2, !"Debug Info Version", i32 2}
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!10 = !{i32 1, !"PIC Level", i32 2}
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!11 = !{!"clang version 3.6.0 (trunk 224193) (llvm/trunk 224197)"}
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!12 = !{i32 2, i32 15, !4, null}
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