1c2d3338eb
This patch removes the verbose option from tests that do not need it and simplifies the checks. For tests that do have the verbose option, the checks were standardized to be more readable and consistent. Reviewed By: shchenz, dblaikie Differential Revision: https://reviews.llvm.org/D112636
132 lines
5.3 KiB
LLVM
132 lines
5.3 KiB
LLVM
; RUN: %llc_dwarf -O0 -filetype=obj -dwarf-linkage-names=Abstract < %s | llvm-dwarfdump -debug-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-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 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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;
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; struct F4 {
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; __attribute__((always_inline)) void f5();
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; };
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; void F4::f5() {
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; f1();
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; }
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; void f6() {
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; F4::f5();
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; }
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; Show that the only linkage names are for the inlined functions,
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; because those are the ones with an abstract origin.
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; ONENAME-NOT: {{DW_AT(_MIPS)?_linkage_name}}
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; ONENAME: {{DW_AT(_MIPS)?_linkage_name}} ("_Z2f2v")
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; ONENAME-NOT: {{DW_AT(_MIPS)?_linkage_name}}
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; ONENAME: {{DW_AT(_MIPS)?_linkage_name}} ("_ZN2F42f5Ev")
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; ONENAME-NOT: {{DW_AT(_MIPS)?_linkage_name}}
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; For f2() we see the definition pointing to an abstract origin DIE,
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; which in turn is where the linkage_name is; and then there's
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; an inlined_subroutine pointing back to the abstract origin.
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; The order of these DIEs is not important of course, just the links.
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; REF: DW_TAG_subprogram
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; REF-NOT: {{DW_TAG|NULL}}
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; REF: DW_AT_abstract_origin ([[F2:0x.*]] "_Z2f2v")
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; REF: [[F2]]: DW_TAG_subprogram
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; REF-NEXT: linkage_name ("_Z2f2v")
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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 ([[F2]]
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; For F4::f5(), first we see the in-class declaration,
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; then the definition, abstract origin, and the inlined_subroutine.
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; REF: DW_TAG_structure_type
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; REF-NEXT: DW_AT_name ("F4")
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; REF-NOT: {{DW_TAG|NULL}}
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; REF: [[F5_DECL:0x.*]]: DW_TAG_subprogram
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; REF-NEXT: DW_AT_name ("f5")
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; REF: DW_TAG_subprogram
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; REF-NOT: {{DW_TAG|NULL}}
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; REF: DW_AT_abstract_origin ([[F5_ABS:0x.*]] "_ZN2F42f5Ev")
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; REF: [[F5_ABS]]: DW_TAG_subprogram
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; REF-NOT: {{DW_TAG|NULL}}
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; REF: linkage_name ("_ZN2F42f5Ev")
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; REF-NEXT: DW_AT_specification ([[F5_DECL]]
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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 ([[F5_ABS]]
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; Function Attrs: alwaysinline uwtable
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define void @_Z2f2v() #0 !dbg !6 {
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entry:
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call void @_Z2f1v(), !dbg !9
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ret void, !dbg !10
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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() !dbg !11 {
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entry:
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call void @_Z2f1v(), !dbg !12
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ret void, !dbg !14
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}
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; Function Attrs: alwaysinline uwtable
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define void @_ZN2F42f5Ev() #0 align 2 !dbg !15 {
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entry:
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call void @_Z2f1v(), !dbg !19
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ret void, !dbg !20
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}
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; Function Attrs: uwtable
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define void @_Z2f6v() !dbg !21 {
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entry:
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call void @_Z2f1v(), !dbg !22
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ret void, !dbg !24
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}
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attributes #0 = { alwaysinline }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!3, !4}
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!llvm.ident = !{!5}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 4.0.0 (trunk 288231)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
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!1 = !DIFile(filename: "linkage-name-abstract-static.cpp", directory: "/home/probinson/projects/scratch")
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!2 = !{}
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!3 = !{i32 2, !"Dwarf Version", i32 4}
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!4 = !{i32 2, !"Debug Info Version", i32 3}
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!5 = !{!"clang version 4.0.0 (trunk 288231)"}
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!6 = distinct !DISubprogram(name: "f2", linkageName: "_Z2f2v", scope: !1, file: !1, line: 2, type: !7, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)
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!7 = !DISubroutineType(types: !8)
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!8 = !{null}
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!9 = !DILocation(line: 3, column: 3, scope: !6)
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!10 = !DILocation(line: 4, column: 1, scope: !6)
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!11 = distinct !DISubprogram(name: "f3", linkageName: "_Z2f3v", scope: !1, file: !1, line: 5, type: !7, isLocal: false, isDefinition: true, scopeLine: 5, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)
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!12 = !DILocation(line: 3, column: 3, scope: !6, inlinedAt: !13)
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!13 = distinct !DILocation(line: 6, column: 3, scope: !11)
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!14 = !DILocation(line: 7, column: 1, scope: !11)
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!15 = distinct !DISubprogram(name: "f5", linkageName: "_ZN2F42f5Ev", scope: !16, file: !1, line: 12, type: !7, isLocal: false, isDefinition: true, scopeLine: 12, flags: DIFlagPrototyped, isOptimized: false, unit: !0, declaration: !18, retainedNodes: !2)
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!16 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "F4", file: !1, line: 9, size: 8, elements: !17, identifier: "_ZTS2F4")
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!17 = !{!18}
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!18 = !DISubprogram(name: "f5", linkageName: "_ZN2F42f5Ev", scope: !16, file: !1, line: 10, type: !7, isLocal: false, isDefinition: false, scopeLine: 10, flags: DIFlagPrototyped, isOptimized: false)
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!19 = !DILocation(line: 13, column: 3, scope: !15)
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!20 = !DILocation(line: 14, column: 1, scope: !15)
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!21 = distinct !DISubprogram(name: "f6", linkageName: "_Z2f6v", scope: !1, file: !1, line: 15, type: !7, isLocal: false, isDefinition: true, scopeLine: 15, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)
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!22 = !DILocation(line: 13, column: 3, scope: !15, inlinedAt: !23)
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!23 = distinct !DILocation(line: 16, column: 3, scope: !21)
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!24 = !DILocation(line: 17, column: 1, scope: !21)
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