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In the old (well, current) schema, there are two types of file references: untagged and tagged (the latter references the former). !0 = !{!"filename", !"/directory"} !1 = !{!"0x29", !1} ; DW_TAG_file_type [filename] [/directory] The interface to `DIBuilder` universally takes the tagged version, described by `DIFile`. However, most `file:` references actually use the untagged version directly. In the new hierarchy, I'm merging this into a single node: `MDFile`. Originally I'd planned to keep the old schema unchanged until after I moved the new hierarchy into place. However, it turns out to be trivial to make `MDFile` match both nodes at the same time. - Anyone referencing !1 does so through `DIFile`, whose implementation I need to gut anyway (as I do the rest of the `DIDescriptor`s). - Anyone referencing !0 just references an `MDNode`, and expects a node with two `MDString` operands. This commit achieves that, and updates all the testcases for the parts of the new hierarchy that used the two-node schema (I've replaced the untagged nodes with `distinct !{}` to make the diff clear (otherwise the metadata all gets renumbered); it might be worthwhile to come back and delete those nodes and renumber the world, not sure). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230057 91177308-0d34-0410-b5e6-96231b3b80d8
27 lines
1.2 KiB
LLVM
27 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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@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: 8, 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: 8, 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: 8, 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: 8, 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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