forked from OSchip/llvm-project
74 lines
2.8 KiB
LLVM
74 lines
2.8 KiB
LLVM
; RUN: %llc_dwarf -O0 -filetype=obj -dwarf-linkage-names=Abstract < %s | llvm-dwarfdump -debug-dump=info - > %t
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; RUN: FileCheck %s -check-prefix=ONENAME < %t
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; RUN: FileCheck %s -check-prefix=REF < %t
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; Verify tuning for SCE gets us Abstract only.
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; RUN: %llc_dwarf -O0 -filetype=obj -debugger-tune=sce < %s | llvm-dwarfdump -debug-dump=info - > %t
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; RUN: FileCheck %s -check-prefix=ONENAME < %t
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; RUN: FileCheck %s -check-prefix=REF < %t
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; REQUIRES: object-emission
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; Verify that the only linkage-name present is the abstract origin of the
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; inlined subprogram.
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; IR generated from clang -O0 with:
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; void f1();
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; __attribute__((always_inline)) void f2() {
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; f1();
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; }
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; void f3() {
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; f2();
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; }
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; Show that there's only one linkage_name.
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; ONENAME: {{DW_AT(_MIPS)?_linkage_name}}
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; ONENAME-NOT: {{DW_AT(_MIPS)?_linkage_name}}
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; Locate the subprogram DIE with the linkage name.
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; Show that the inlined_subroutine refers to it.
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; REF: DW_TAG_subprogram
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; REF: [[FOO:0x.*]]: DW_TAG_subprogram
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; REF-NOT: {{DW_TAG|NULL}}
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; REF: {{DW_AT(_MIPS)?_linkage_name}}
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; REF: DW_TAG_inlined_subroutine
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; REF-NOT: {{DW_TAG|NULL}}
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; REF: DW_AT_abstract_origin {{.*}} {[[FOO]]}
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; Function Attrs: alwaysinline uwtable
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define void @_Z2f2v() #0 !dbg !4 {
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entry:
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call void @_Z2f1v(), !dbg !11
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ret void, !dbg !12
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}
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declare void @_Z2f1v()
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; Function Attrs: uwtable
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define void @_Z2f3v() #2 !dbg !7 {
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entry:
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call void @_Z2f1v(), !dbg !13
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ret void, !dbg !15
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}
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attributes #0 = { alwaysinline uwtable }
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attributes #2 = { uwtable }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!8, !9}
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!llvm.ident = !{!10}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 3.9.0 (trunk 265282)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
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!1 = !DIFile(filename: "linkage-name-abstract.cpp", directory: "/home/probinson/projects/scratch")
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!2 = !{}
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!4 = distinct !DISubprogram(name: "f2", linkageName: "_Z2f2v", scope: !1, file: !1, line: 2, type: !5, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: false, unit: !0, variables: !2)
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!5 = !DISubroutineType(types: !6)
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!6 = !{null}
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!7 = distinct !DISubprogram(name: "f3", linkageName: "_Z2f3v", scope: !1, file: !1, line: 5, type: !5, isLocal: false, isDefinition: true, scopeLine: 5, flags: DIFlagPrototyped, isOptimized: false, unit: !0, variables: !2)
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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 = !{!"clang version 3.9.0 (trunk 265282)"}
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!11 = !DILocation(line: 3, column: 3, scope: !4)
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!12 = !DILocation(line: 4, column: 1, scope: !4)
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!13 = !DILocation(line: 3, column: 3, scope: !4, inlinedAt: !14)
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!14 = distinct !DILocation(line: 6, column: 3, scope: !7)
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!15 = !DILocation(line: 7, column: 1, scope: !7)
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