8d6a9c05f6
Part 1 of fix for issue https://github.com/llvm/llvm-project/issues/54624 Split from PR #87623. Clang front end changes to follow. Use DICompositeType to represent the template alias, using its extraData field as a tuple of DITemplateParameter to describe the template parameters. Added template-alias.ll - Check DWARF emission. Modified frame-types.s - Check llvm-symbolizer understands the DIE.
72 lines
2.9 KiB
LLVM
72 lines
2.9 KiB
LLVM
; RUN: llc %s -o - --filetype=obj | llvm-dwarfdump - --name A --show-children | FileCheck %s --check-prefix=TREE
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;; -ggnu-pubnames (nameTableKind: GNU).
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; RUN: llc %s -o - --filetype=obj \
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; RUN: | llvm-dwarfdump - --debug-gnu-pubtypes \
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; RUN: | FileCheck %s --check-prefix=GNU-TYPES
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;; -gpubnames (remove nameTableKind field from DICompileUnit).
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; RUN: sed 's/, nameTableKind: GNU//g' < %s \
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; RUN: | llc - -o - --filetype=obj \
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; RUN: | llvm-dwarfdump - --debug-pubtypes \
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; RUN: | FileCheck %s --check-prefix=PUB-TYPES
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;; C++ source from clang/test/CodeGenCXX/template-alias.cpp, compiled with -gsce:
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;; template<typename Y, int Z>
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;; struct X {
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;; Y m1 = Z;
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;; };
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;;
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;; template<typename B, int C>
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;; using A = X<B, C>;
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;;
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;; A<int, 5> a;
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;; Test emission of DIDerivedType with tag: DW_TAG_template_alias.
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; TREE: DW_TAG_template_alias
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; TREE: DW_AT_type (0x{{[0-9a-f]+}} "X<int, 5>")
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; TREE: DW_AT_name ("A")
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; TREE: DW_TAG_template_type_parameter
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; TREE: DW_AT_type (0x{{[0-9a-f]+}} "int")
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; TREE: DW_AT_name ("B")
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; TREE: DW_TAG_template_value_parameter
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; TREE: DW_AT_type (0x{{[0-9a-f]+}} "int")
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; TREE: DW_AT_name ("C")
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; TREE: DW_AT_const_value (5)
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; TREE: NULL
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; GNU-TYPES: STATIC TYPE "A"
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; PUB-TYPES: "A"
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target triple = "x86_64-unknown-unkown"
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%struct.X = type { i32 }
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@a = global %struct.X { i32 5 }, align 4, !dbg !0
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!llvm.dbg.cu = !{!2}
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!llvm.module.flags = !{!17, !18}
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!llvm.ident = !{!19}
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = distinct !DIGlobalVariable(name: "a", scope: !2, file: !5, line: 14, type: !6, isLocal: false, isDefinition: true)
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!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !3, producer: "clang version 19.0.0git", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, globals: !4, splitDebugInlining: false, nameTableKind: GNU)
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!3 = !DIFile(filename: "<stdin>", directory: "/")
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!4 = !{!0}
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!5 = !DIFile(filename: "clang/test/CodeGenCXX/template-alias.cpp", directory: "/")
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!6 = !DIDerivedType(tag: DW_TAG_template_alias, name: "A", file: !5, line: 12, baseType: !7, extraData: !14)
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!7 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "X<int, 5>", file: !5, line: 7, size: 32, flags: DIFlagTypePassByValue | DIFlagNonTrivial, elements: !8, templateParams: !11, identifier: "_ZTS1XIiLi5EE")
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!8 = !{!9}
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!9 = !DIDerivedType(tag: DW_TAG_member, name: "m1", scope: !7, file: !5, line: 8, baseType: !10, size: 32)
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!10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!11 = !{!12, !13}
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!12 = !DITemplateTypeParameter(name: "Y", type: !10)
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!13 = !DITemplateValueParameter(name: "Z", type: !10, value: i32 5)
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!14 = !{!15, !16}
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!15 = !DITemplateTypeParameter(name: "B", type: !10)
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!16 = !DITemplateValueParameter(name: "C", type: !10, value: i32 5)
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!17 = !{i32 2, !"Debug Info Version", i32 3}
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!18 = !{i32 1, !"wchar_size", i32 4}
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!19 = !{!"clang version 19.0.0git"}
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