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e56023a059
Finish off PR23080 by renaming the debug info IR constructs from `MD*` to `DI*`. The last of the `DIDescriptor` classes were deleted in r235356, and the last of the related typedefs removed in r235413, so this has all baked for about a week. Note: If you have out-of-tree code (like a frontend), I recommend that you get everything compiling and tests passing with the *previous* commit before updating to this one. It'll be easier to keep track of what code is using the `DIDescriptor` hierarchy and what you've already updated, and I think you're extremely unlikely to insert bugs. YMMV of course. Back to *this* commit: I did this using the rename-md-di-nodes.sh upgrade script I've attached to PR23080 (both code and testcases) and filtered through clang-format-diff.py. I edited the tests for test/Assembler/invalid-generic-debug-node-*.ll by hand since the columns were off-by-three. It should work on your out-of-tree testcases (and code, if you've followed the advice in the previous paragraph). Some of the tests are in badly named files now (e.g., test/Assembler/invalid-mdcompositetype-missing-tag.ll should be 'dicompositetype'); I'll come back and move the files in a follow-up commit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236120 91177308-0d34-0410-b5e6-96231b3b80d8
47 lines
2.3 KiB
LLVM
47 lines
2.3 KiB
LLVM
; RUN: llc -mtriple=x86_64-apple-darwin %s -o %t -filetype=obj
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; RUN: llvm-dwarfdump -debug-dump=all %t | FileCheck %s
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; Checks that we don't emit a size for a pointer type.
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; CHECK: DW_TAG_pointer_type
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; CHECK-NEXT: DW_AT_type
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; CHECK-NOT: DW_AT_byte_size
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; CHECK: DW_TAG
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; CHECK: .debug_info contents
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%struct.A = type { i32 }
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define i32 @_Z3fooP1A(%struct.A* %a) nounwind uwtable ssp {
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entry:
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%a.addr = alloca %struct.A*, align 8
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store %struct.A* %a, %struct.A** %a.addr, align 8
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call void @llvm.dbg.declare(metadata %struct.A** %a.addr, metadata !16, metadata !DIExpression()), !dbg !17
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%0 = load %struct.A*, %struct.A** %a.addr, align 8, !dbg !18
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%b = getelementptr inbounds %struct.A, %struct.A* %0, i32 0, i32 0, !dbg !18
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%1 = load i32, i32* %b, align 4, !dbg !18
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ret i32 %1, !dbg !18
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}
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declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!21}
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!0 = !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.1 (trunk 150996)", isOptimized: false, emissionKind: 0, file: !20, enums: !1, retainedTypes: !1, subprograms: !3, globals: !1, imports: !1)
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!1 = !{}
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!3 = !{!5}
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!5 = !DISubprogram(name: "foo", linkageName: "_Z3fooP1A", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 3, file: !20, scope: !6, type: !7, function: i32 (%struct.A*)* @_Z3fooP1A)
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!6 = !DIFile(filename: "foo.cpp", directory: "/Users/echristo")
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!7 = !DISubroutineType(types: !8)
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!8 = !{!9, !10}
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!9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!10 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !11)
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!11 = !DICompositeType(tag: DW_TAG_class_type, name: "A", line: 1, size: 32, align: 32, file: !20, elements: !12)
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!12 = !{!13}
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!13 = !DIDerivedType(tag: DW_TAG_member, name: "b", line: 1, size: 32, align: 32, file: !20, scope: !11, baseType: !9)
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!16 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "a", line: 3, arg: 1, scope: !5, file: !6, type: !10)
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!17 = !DILocation(line: 3, column: 13, scope: !5)
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!18 = !DILocation(line: 4, column: 3, scope: !19)
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!19 = distinct !DILexicalBlock(line: 3, column: 16, file: !20, scope: !5)
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!20 = !DIFile(filename: "foo.cpp", directory: "/Users/echristo")
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!21 = !{i32 1, !"Debug Info Version", i32 3}
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