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9b18dbfe83
While gaining practical experience hand-updating CHECK lines (for moving
the new debug info hierarchy into place), I learnt a few things about
CHECK-ability of the specialized node assembly output.
- The first part of a `CHECK:` is to identify the "right" node (this
is especially true if you intend to use the new `CHECK-SAME`
feature, since the first CHECK needs to identify the node correctly
before you can split the line).
- If there's a `tag:`, it should go first.
- If there's a `name:`, it should go next (followed by the
`linkageName:`, if any).
- If there's a `scope:`, it should follow after that.
- When a node type supports multiple DW_TAGs, but one is implied by
its name and is overwhelmingly more common, the `tag:` field is
terribly uninteresting unless it's different.
- `MDBasicType` is almost always `DW_TAG_base_type`.
- `MDTemplateValueParameter` is almost always
`DW_TAG_template_value_parameter`.
- Printing `name: ""` doesn't improve CHECK-ability, and there are far
more nodes than I realized that are commonly nameless.
- There are a few other fields that similarly aren't very interesting
when they're empty.
This commit updates the `AsmWriter` as suggested above (and makes
necessary changes in `LLParser` for round-tripping).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230877 91177308-0d34-0410-b5e6-96231b3b80d8
25 lines
1.2 KiB
LLVM
25 lines
1.2 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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; CHECK: !named = !{!0, !1, !2, !3, !3, !4, !5, !5, !6}
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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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; CHECK: !1 = distinct !{}
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; CHECK-NEXT: !2 = !MDTemplateTypeParameter(name: "Ty", type: !1)
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; CHECK-NEXT: !3 = !MDTemplateTypeParameter(type: !1)
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!2 = !MDTemplateTypeParameter(name: "Ty", type: !1)
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!3 = !MDTemplateTypeParameter(type: !1)
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!4 = !MDTemplateTypeParameter(name: "", type: !1)
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; CHECK-NEXT: !4 = !MDTemplateValueParameter(name: "V", type: !1, value: i32 7)
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; CHECK-NEXT: !5 = !MDTemplateValueParameter(type: !1, value: i32 7)
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; CHECK-NEXT: !6 = !MDTemplateValueParameter(tag: DW_TAG_GNU_template_template_param, name: "param", type: !1, value: !"template")
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!5 = !MDTemplateValueParameter(name: "V", type: !1, value: i32 7)
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!6 = !MDTemplateValueParameter(type: !1, value: i32 7)
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!7 = !MDTemplateValueParameter(tag: DW_TAG_template_value_parameter,
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name: "", type: !1, value: i32 7)
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!8 = !MDTemplateValueParameter(tag: DW_TAG_GNU_template_template_param, name: "param", type: !1, value: !"template")
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