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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
120 lines
5.6 KiB
LLVM
120 lines
5.6 KiB
LLVM
; RUN: llc -split-dwarf=Enable -O0 < %s -mtriple=x86_64-unknown-linux-gnu -filetype=obj | llvm-dwarfdump -debug-dump=info - | FileCheck %s
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; Test the emission of gmlt-like inlining information into the skeleton unit.
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; This allows inline-aware symbolication/backtracing given only the linked
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; executable, without needing access to the .dwos.
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; A simple example of inlining generated with clang -gsplit-dwarf
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; A member function is used to force emission of the declaration of the
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; function into the .dwo file, which may be shared with other CUs in the dwo ;
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; under fission, but should not be shared with the skeleton's CU. This also
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; tests the general case of context emission, which is suppressed in gmlt-like
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; data.
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; Include a template just to test template parameters are not emitted in
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; gmlt-like data.
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; And some varargs to make sure DW_TAG_unspecified_parameters is not emitted.
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; And a using declaration in a nested lexical_block... because that shouldn't
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; be emitted either.
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; Minor complication: after generating the LLVM IR, it was manually edited so
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; that the 'f1()' call from f3 was reordered to appear between the two inlined
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; f1 calls from f2. This causes f2's inlined_subroutine to use DW_AT_ranges,
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; thus exercising range list generation/referencing which was buggy.
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; struct foo {
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; template<typename T>
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; static void f2();
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; static void f3(...);
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; };
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;
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; void f1();
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;
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; template<typename T>
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; inline __attribute__((always_inline)) void foo::f2() {
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; f1();
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; f1();
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; }
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;
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; void foo::f3(...) {
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; if (true) {
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; f1();
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; f2<int>();
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; using ::foo;
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; }
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; }
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; Check that we emit the usual gmlt-like data for this file, including brief
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; descriptions of subprograms with inlined scopes.
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; FIXME: Once tools support indexed addresses in the skeleton CU, we should use
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; those (DW_FORM_addr would become DW_FORM_GNU_addr_index below) since those
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; addresses will already be in the address pool anyway.
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; CHECK: DW_TAG_subprogram
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; CHECK-NEXT: DW_AT_name {{.*}} "f2<int>"
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; CHECK-NOT: DW_
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; CHECK: DW_TAG_subprogram
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; CHECK-NEXT: DW_AT_low_pc [DW_FORM_addr]
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; CHECK-NEXT: DW_AT_high_pc
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; CHECK-NEXT: DW_AT_name {{.*}} "f3"
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; CHECK-NOT: {{DW_|NULL}}
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; CHECK: DW_TAG_inlined_subroutine
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; CHECK-NEXT: DW_AT_abstract_origin {{.*}} "f2<int>"
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; CHECK-NEXT: DW_AT_ranges
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; CHECK-NEXT: DW_AT_call_file
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; CHECK-NEXT: DW_AT_call_line {{.*}} (18)
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; CHECK-NOT: DW_
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; Function Attrs: uwtable
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define void @_ZN3foo2f3Ez(...) #0 align 2 {
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entry:
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call void @_Z2f1v(), !dbg !26
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call void @_Z2f1v(), !dbg !25
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call void @_Z2f1v(), !dbg !28
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ret void, !dbg !29
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}
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declare void @_Z2f1v() #1
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attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!22, !23}
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!llvm.ident = !{!24}
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!0 = !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.6.0 ", isOptimized: false, splitDebugFilename: "fission-inline.dwo", emissionKind: 1, file: !1, enums: !2, retainedTypes: !3, subprograms: !9, globals: !2, imports: !18)
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!1 = !DIFile(filename: "fission-inline.cpp", directory: "/tmp/dbginfo")
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!2 = !{}
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!3 = !{!4}
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!4 = !DICompositeType(tag: DW_TAG_structure_type, name: "foo", line: 1, size: 8, align: 8, file: !1, elements: !5, identifier: "_ZTS3foo")
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!5 = !{!6}
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!6 = !DISubprogram(name: "f3", linkageName: "_ZN3foo2f3Ez", line: 4, isLocal: false, isDefinition: false, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 4, file: !1, scope: !"_ZTS3foo", type: !7)
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!7 = !DISubroutineType(types: !8)
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!8 = !{null, null}
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!9 = !{!10, !11}
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!10 = !DISubprogram(name: "f3", linkageName: "_ZN3foo2f3Ez", line: 15, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 15, file: !1, scope: !"_ZTS3foo", type: !7, function: void (...)* @_ZN3foo2f3Ez, declaration: !6, variables: !2)
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!11 = !DISubprogram(name: "f2<int>", linkageName: "_ZN3foo2f2IiEEvv", line: 10, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 10, file: !1, scope: !"_ZTS3foo", type: !12, templateParams: !14, declaration: !17, variables: !2)
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!12 = !DISubroutineType(types: !13)
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!13 = !{null}
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!14 = !{!15}
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!15 = !DITemplateTypeParameter(name: "T", type: !16)
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!16 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!17 = !DISubprogram(name: "f2<int>", linkageName: "_ZN3foo2f2IiEEvv", line: 10, isLocal: false, isDefinition: false, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 10, file: !1, scope: !"_ZTS3foo", type: !12, templateParams: !14)
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!18 = !{!19}
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!19 = !DIImportedEntity(tag: DW_TAG_imported_declaration, line: 19, scope: !20, entity: !"_ZTS3foo")
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!20 = distinct !DILexicalBlock(line: 16, column: 13, file: !1, scope: !21)
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!21 = distinct !DILexicalBlock(line: 16, column: 7, file: !1, scope: !10)
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!22 = !{i32 2, !"Dwarf Version", i32 4}
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!23 = !{i32 2, !"Debug Info Version", i32 3}
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!24 = !{!"clang version 3.6.0 "}
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!25 = !DILocation(line: 17, column: 5, scope: !20)
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!26 = !DILocation(line: 11, column: 3, scope: !11, inlinedAt: !27)
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!27 = !DILocation(line: 18, column: 5, scope: !20)
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!28 = !DILocation(line: 12, column: 3, scope: !11, inlinedAt: !27)
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!29 = !DILocation(line: 21, column: 1, scope: !10)
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