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Summary: The lit feature object-emission was added because Hexagon did not support the integrated assembler, so some tests needed to be turned off with a Hexagon target. Hexagon now supports the integrated assembler, so this feature can be removed. Reviewers: bcain, kparzysz, jverma, whitequark, JDevlieghere Reviewed By: JDevlieghere Subscribers: mehdi_amini, hiraditya, steven_wu, dexonsmith, arphaman, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D73568
87 lines
4.0 KiB
LLVM
87 lines
4.0 KiB
LLVM
; Generate one file with all linkage names, and another with only abstract ones.
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; Then test both.
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; RUN: %llc_dwarf -accel-tables=Dwarf -dwarf-linkage-names=All -filetype=obj -o %t.All < %s
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; RUN: %llc_dwarf -accel-tables=Dwarf -dwarf-linkage-names=Abstract -filetype=obj -o %t.Abstract < %s
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; RUN: llvm-dwarfdump -debug-info -debug-names %t.All | FileCheck %s --check-prefix=ALL
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; RUN: llvm-dwarfdump -debug-info -debug-names %t.Abstract \
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; RUN: | FileCheck %s --check-prefix=ABSTRACT --implicit-check-not=_Z1gi --implicit-check-not=_ZN1n1vE
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; RUN: llvm-dwarfdump -debug-names -verify %t.All | FileCheck --check-prefix=VERIFY %s
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; RUN: llvm-dwarfdump -debug-names -verify %t.Abstract | FileCheck --check-prefix=VERIFY %s
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; We should have all three linkage names in the .debug_info and .debug_names
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; ALL: .debug_info contents:
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; ALL: DW_AT_linkage_name ("_ZN1n1vE")
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; ALL: DW_AT_linkage_name ("_Z1fi")
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; ALL: DW_AT_linkage_name ("_Z1gi")
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; ALL: .debug_names contents:
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; ALL: String: {{.*}} "_Z1fi"
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; ALL: String: {{.*}} "_Z1gi"
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; ALL: String: {{.*}} "_ZN1n1vE"
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; Only _Z1fi should be present in both sections
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; ABSTRACT: .debug_info contents:
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; ABSTRACT: DW_AT_linkage_name ("_Z1fi")
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; ABSTRACT: .debug_names contents:
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; ABSTRACT: String: {{.*}} "_Z1fi"
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; There should be no verification errors for both files.
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; VERIFY: No errors.
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; Input generated from the following C code using
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; clang -g -O2 -S -emit-llvm
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; int e(int);
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; inline int f(int a) { return e(a); }
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; int g(int a) { return f(a); }
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;
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; namespace n {
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; int v;
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; }
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@_ZN1n1vE = dso_local local_unnamed_addr global i32 0, align 4, !dbg !0
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define dso_local i32 @_Z1gi(i32 %a) local_unnamed_addr !dbg !12 {
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entry:
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call void @llvm.dbg.value(metadata i32 %a, metadata !16, metadata !DIExpression()), !dbg !17
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call void @llvm.dbg.value(metadata i32 %a, metadata !18, metadata !DIExpression()), !dbg !21
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%call.i = tail call i32 @_Z1ei(i32 %a), !dbg !23
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ret i32 %call.i, !dbg !24
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}
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declare dso_local i32 @_Z1ei(i32) local_unnamed_addr
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; Function Attrs: nounwind readnone speculatable
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declare void @llvm.dbg.value(metadata, metadata, metadata) #0
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attributes #2 = { nounwind readnone speculatable }
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!llvm.dbg.cu = !{!5}
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!llvm.module.flags = !{!8, !9, !10}
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!llvm.ident = !{!11}
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = distinct !DIGlobalVariable(name: "v", linkageName: "_ZN1n1vE", scope: !2, file: !3, line: 6, type: !4, isLocal: false, isDefinition: true)
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!2 = !DINamespace(name: "n", scope: null)
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!3 = !DIFile(filename: "/tmp/linkage-name.cc", directory: "/usr/local/google/home/labath/ll/build/dbg")
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!4 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!5 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "clang version 7.0.0 (trunk 331861) (llvm/trunk 331884)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !6, globals: !7)
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!6 = !{}
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!7 = !{!0}
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!8 = !{i32 2, !"Dwarf Version", i32 4}
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!9 = !{i32 2, !"Debug Info Version", i32 3}
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!10 = !{i32 1, !"wchar_size", i32 4}
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!11 = !{!"clang version 7.0.0 (trunk 331861) (llvm/trunk 331884)"}
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!12 = distinct !DISubprogram(name: "g", linkageName: "_Z1gi", scope: !3, file: !3, line: 3, type: !13, isLocal: false, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: true, unit: !5, retainedNodes: !15)
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!13 = !DISubroutineType(types: !14)
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!14 = !{!4, !4}
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!15 = !{!16}
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!16 = !DILocalVariable(name: "a", arg: 1, scope: !12, file: !3, line: 3, type: !4)
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!17 = !DILocation(line: 3, column: 11, scope: !12)
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!18 = !DILocalVariable(name: "a", arg: 1, scope: !19, file: !3, line: 2, type: !4)
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!19 = distinct !DISubprogram(name: "f", linkageName: "_Z1fi", scope: !3, file: !3, line: 2, type: !13, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: true, unit: !5, retainedNodes: !20)
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!20 = !{!18}
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!21 = !DILocation(line: 2, column: 18, scope: !19, inlinedAt: !22)
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!22 = distinct !DILocation(line: 3, column: 23, scope: !12)
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!23 = !DILocation(line: 2, column: 30, scope: !19, inlinedAt: !22)
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!24 = !DILocation(line: 3, column: 16, scope: !12)
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