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https://github.com/c64scene-ar/llvm-6502.git
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9f8d4037a6
Parse (and write) symbolic constants in debug info `flags:` fields.
This prevents a readability (and CHECK-ability) regression with the new
debug info hierarchy.
Old (well, current) assembly, with pretty-printing:
!{!"...\\0016387", ...} ; ... [public] [rvalue reference]
Flags field without this change:
!MDDerivedType(flags: 16387, ...)
Flags field with this change:
!MDDerivedType(flags: DIFlagPublic | DIFlagRValueReference, ...)
As discussed in the review thread, this isn't a final state. Most of
these flags correspond to `DW_AT_` symbolic constants, and we might
eventually want to support arbitrary attributes in some form. However,
as it stands now, some of the flags correspond to other concepts (like
`FlagStaticMember`); until things are refactored this is the simplest
way to move forward without regressing assembly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230111 91177308-0d34-0410-b5e6-96231b3b80d8
27 lines
1.3 KiB
LLVM
27 lines
1.3 KiB
LLVM
; RUN: llvm-as < %s | llvm-dis | llvm-as | llvm-dis | FileCheck %s
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; RUN: verify-uselistorder %s
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@foo = global i32 0
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; CHECK: !named = !{!0, !1, !2, !3, !4, !5, !6, !7, !8}
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!named = !{!0, !1, !2, !3, !4, !5, !6, !7, !8}
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!0 = distinct !{}
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!1 = distinct !{}
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!2 = !MDFile(filename: "path/to/file", directory: "/path/to/dir")
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!3 = distinct !{}
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!4 = distinct !{}
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; CHECK: !5 = !MDLocalVariable(tag: DW_TAG_arg_variable, scope: !0, name: "foo", file: !2, line: 7, type: !3, arg: 3, flags: DIFlagArtificial, inlinedAt: !4)
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; CHECK: !6 = !MDLocalVariable(tag: DW_TAG_auto_variable, scope: !0, name: "foo", file: !2, line: 7, type: !3, flags: DIFlagArtificial, inlinedAt: !4)
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!5 = !MDLocalVariable(tag: DW_TAG_arg_variable, scope: !0, name: "foo",
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file: !2, line: 7, type: !3, arg: 3,
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flags: DIFlagArtificial, inlinedAt: !4)
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!6 = !MDLocalVariable(tag: DW_TAG_auto_variable, scope: !0, name: "foo",
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file: !2, line: 7, type: !3, flags: DIFlagArtificial, inlinedAt: !4)
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; CHECK: !7 = !MDLocalVariable(tag: DW_TAG_arg_variable, scope: null, name: "", arg: 0)
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; CHECK: !8 = !MDLocalVariable(tag: DW_TAG_auto_variable, scope: null, name: "")
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!7 = !MDLocalVariable(tag: DW_TAG_arg_variable)
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!8 = !MDLocalVariable(tag: DW_TAG_auto_variable)
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