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60963db173
Getting the DWARF types section is only implemented for ELF object files. We already disabled emitting debug types in clang (r337717), but now we also report an fatal error (rather than crashing) when trying to obtain this section in MC. Additionally we ignore the generate debug types flag for unsupported target triples. See PR38190 for more information. Differential revision: https://reviews.llvm.org/D50057 llvm-svn: 338527
71 lines
3.0 KiB
LLVM
71 lines
3.0 KiB
LLVM
; Verify the emission of accelerator tables for various targets for the DWARF<=4 case
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; Darwin has the apple tables unless we specifically tune for gdb
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; RUN: llc -mtriple=x86_64-apple-darwin12 -filetype=obj < %s \
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; RUN: | llvm-readobj -sections - | FileCheck --check-prefix=APPLE %s
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; RUN: llc -mtriple=x86_64-apple-darwin12 -filetype=obj -debugger-tune=gdb < %s \
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; RUN: | llvm-readobj -sections - | FileCheck --check-prefix=NONE %s
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; Linux does has debug_names tables only if we explicitly tune for lldb
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; RUN: llc -mtriple=x86_64-pc-linux -filetype=obj < %s \
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; RUN: | llvm-readobj -sections - | FileCheck --check-prefix=NONE %s
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; RUN: llc -mtriple=x86_64-pc-linux -filetype=obj -debugger-tune=lldb < %s \
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; RUN: | llvm-readobj -sections - | FileCheck --check-prefix=DEBUG_NAMES %s
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; No accelerator tables if type units are enabled, as DWARF v4 type units are
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; not compatible with accelerator tables.
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; RUN: llc -mtriple=x86_64-pc-linux -filetype=obj -generate-type-units -debugger-tune=lldb < %s \
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; RUN: | llvm-readobj -sections - | FileCheck --check-prefix=NONE %s
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; Debug types are ignored for non-ELF targets which means it shouldn't affect
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; accelerator table generation.
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; RUN: llc -mtriple=x86_64-apple-darwin12 -generate-type-units -filetype=obj < %s \
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; RUN: | llvm-readobj -sections - | FileCheck --check-prefix=APPLE %s
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; APPLE-NOT: debug_names
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; APPLE: apple_names
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; APPLE-NOT: debug_names
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; NONE-NOT: apple_names
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; NONE-NOT: debug_names
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; DEBUG_NAMES-NOT: apple_names
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; DEBUG_NAMES: debug_names
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; DEBUG_NAMES-NOT: apple_names
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@var = thread_local global i32 0, align 4, !dbg !0
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; Function Attrs: norecurse nounwind readnone uwtable
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define void @_Z3funv() local_unnamed_addr #0 !dbg !11 {
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ret void, !dbg !14
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}
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; Function Attrs: norecurse uwtable
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define weak_odr hidden i32* @_ZTW3var() local_unnamed_addr #1 {
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ret i32* @var
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}
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attributes #0 = { norecurse nounwind readnone uwtable }
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attributes #1 = { norecurse uwtable }
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!llvm.dbg.cu = !{!2}
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!llvm.module.flags = !{!7, !8, !9}
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!llvm.ident = !{!10}
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = distinct !DIGlobalVariable(name: "var", scope: !2, file: !3, line: 1, type: !6, isLocal: false, isDefinition: true)
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!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "clang version 7.0.0 (trunk 322268) (llvm/trunk 322267)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
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!3 = !DIFile(filename: "debugger-tune.cpp", directory: "/tmp")
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!4 = !{}
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!5 = !{!0}
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!6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!7 = !{i32 2, !"Dwarf Version", i32 4}
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!8 = !{i32 2, !"Debug Info Version", i32 3}
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!9 = !{i32 1, !"wchar_size", i32 4}
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!10 = !{!"clang version 7.0.0 (trunk 322268) (llvm/trunk 322267)"}
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!11 = distinct !DISubprogram(name: "fun", linkageName: "_Z3funv", scope: !3, file: !3, line: 2, type: !12, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: true, unit: !2, retainedNodes: !4)
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!12 = !DISubroutineType(types: !13)
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!13 = !{null}
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!14 = !DILocation(line: 2, column: 13, scope: !11)
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