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DebugInfo: Fix bad debug info for compile units and types
Fix debug info in these tests, which started failing with a WIP patch to
verify compile units and types. The problems look like they were all
caused by bitrot. They fell into these categories:
- Using `!{i32 0}` instead of `!{}`.
- Using `!{null}` instead of `!{}`.
- Using `!MDExpression()` instead of `!{}`.
- Using `!8` instead of `!{!8}`.
- `file:` references that pointed at `MDCompileUnit`s instead of the
same `MDFile` as the compile unit.
- `file:` references that were numerically off-by-one or (off-by-ten).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@233415 91177308-0d34-0410-b5e6-96231b3b80d8
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@@ -20,7 +20,7 @@ declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnon
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!3 = !MDSubroutineType(types: !4)
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!4 = !{!5}
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!5 = !MDBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!6 = !{i32 0}
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!6 = !{}
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!7 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "i", line: 3, scope: !8, file: !1, type: !5)
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!8 = distinct !MDLexicalBlock(line: 2, column: 12, file: !12, scope: !0)
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!9 = !MDLocation(line: 3, column: 11, scope: !8)
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