forked from OSchip/llvm-project
132 lines
5.4 KiB
LLVM
132 lines
5.4 KiB
LLVM
; RUN: %llc_dwarf -O0 -filetype=obj -dwarf-linkage-names=Abstract < %s | llvm-dwarfdump -v -debug-info - > %t
|
|
; RUN: FileCheck %s -check-prefix=ONENAME < %t
|
|
; RUN: FileCheck %s -check-prefix=REF < %t
|
|
; Verify tuning for SCE gets us Abstract only.
|
|
; RUN: %llc_dwarf -O0 -filetype=obj -debugger-tune=sce < %s | llvm-dwarfdump -v -debug-info - > %t
|
|
; RUN: FileCheck %s -check-prefix=ONENAME < %t
|
|
; RUN: FileCheck %s -check-prefix=REF < %t
|
|
|
|
; Verify that the only linkage-name present is the abstract origin of the
|
|
; inlined subprogram.
|
|
|
|
; IR generated from clang -O0 with:
|
|
; void f1();
|
|
; __attribute__((always_inline)) void f2() {
|
|
; f1();
|
|
; }
|
|
; void f3() {
|
|
; f2();
|
|
; }
|
|
;
|
|
; struct F4 {
|
|
; __attribute__((always_inline)) void f5();
|
|
; };
|
|
; void F4::f5() {
|
|
; f1();
|
|
; }
|
|
; void f6() {
|
|
; F4::f5();
|
|
; }
|
|
|
|
; Show that the only linkage names are for the inlined functions,
|
|
; because those are the ones with an abstract origin.
|
|
; ONENAME-NOT: {{DW_AT(_MIPS)?_linkage_name}}
|
|
; ONENAME: {{DW_AT(_MIPS)?_linkage_name}} {{.*}} "_Z2f2v"
|
|
; ONENAME-NOT: {{DW_AT(_MIPS)?_linkage_name}}
|
|
; ONENAME: {{DW_AT(_MIPS)?_linkage_name}} {{.*}} "_ZN2F42f5Ev"
|
|
; ONENAME-NOT: {{DW_AT(_MIPS)?_linkage_name}}
|
|
|
|
; For f2() we see the definition pointing to an abstract origin DIE,
|
|
; which in turn is where the linkage_name is; and then there's
|
|
; an inlined_subroutine pointing back to the abstract origin.
|
|
; The order of these DIEs is not important of course, just the links.
|
|
; REF: DW_TAG_subprogram
|
|
; REF-NOT: {{DW_TAG|NULL}}
|
|
; REF: DW_AT_abstract_origin {{.*}} {[[F2:0x.*]]} "_Z2f2v"
|
|
; REF: [[F2]]: DW_TAG_subprogram
|
|
; REF-NEXT: linkage_name {{.*}} "_Z2f2v"
|
|
; REF: DW_TAG_inlined_subroutine
|
|
; REF-NOT: {{DW_TAG|NULL}}
|
|
; REF: DW_AT_abstract_origin {{.*}} {[[F2]]}
|
|
|
|
; For F4::f5(), first we see the in-class declaration,
|
|
; then the definition, abstract origin, and the inlined_subroutine.
|
|
; REF: DW_TAG_structure_type
|
|
; REF-NEXT: DW_AT_name {{.*}} "F4"
|
|
; REF-NOT: {{DW_TAG|NULL}}
|
|
; REF: [[F5_DECL:0x.*]]: DW_TAG_subprogram
|
|
; REF-NEXT: DW_AT_name {{.*}} "f5"
|
|
; REF: DW_TAG_subprogram
|
|
; REF-NOT: {{DW_TAG|NULL}}
|
|
; REF: DW_AT_abstract_origin {{.*}} {[[F5_ABS:0x.*]]} "_ZN2F42f5Ev"
|
|
; REF: [[F5_ABS]]: DW_TAG_subprogram
|
|
; REF-NOT: {{DW_TAG|NULL}}
|
|
; REF: linkage_name {{.*}} "_ZN2F42f5Ev"
|
|
; REF-NEXT: DW_AT_specification {{.*}} {[[F5_DECL]]}
|
|
; REF: DW_TAG_inlined_subroutine
|
|
; REF-NOT: {{DW_TAG|NULL}}
|
|
; REF: DW_AT_abstract_origin {{.*}} {[[F5_ABS]]}
|
|
|
|
|
|
; Function Attrs: alwaysinline uwtable
|
|
define void @_Z2f2v() #0 !dbg !6 {
|
|
entry:
|
|
call void @_Z2f1v(), !dbg !9
|
|
ret void, !dbg !10
|
|
}
|
|
|
|
declare void @_Z2f1v()
|
|
|
|
; Function Attrs: uwtable
|
|
define void @_Z2f3v() !dbg !11 {
|
|
entry:
|
|
call void @_Z2f1v(), !dbg !12
|
|
ret void, !dbg !14
|
|
}
|
|
|
|
; Function Attrs: alwaysinline uwtable
|
|
define void @_ZN2F42f5Ev() #0 align 2 !dbg !15 {
|
|
entry:
|
|
call void @_Z2f1v(), !dbg !19
|
|
ret void, !dbg !20
|
|
}
|
|
|
|
; Function Attrs: uwtable
|
|
define void @_Z2f6v() !dbg !21 {
|
|
entry:
|
|
call void @_Z2f1v(), !dbg !22
|
|
ret void, !dbg !24
|
|
}
|
|
|
|
attributes #0 = { alwaysinline }
|
|
|
|
!llvm.dbg.cu = !{!0}
|
|
!llvm.module.flags = !{!3, !4}
|
|
!llvm.ident = !{!5}
|
|
|
|
!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)
|
|
!1 = !DIFile(filename: "linkage-name-abstract-static.cpp", directory: "/home/probinson/projects/scratch")
|
|
!2 = !{}
|
|
!3 = !{i32 2, !"Dwarf Version", i32 4}
|
|
!4 = !{i32 2, !"Debug Info Version", i32 3}
|
|
!5 = !{!"clang version 4.0.0 (trunk 288231)"}
|
|
!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)
|
|
!7 = !DISubroutineType(types: !8)
|
|
!8 = !{null}
|
|
!9 = !DILocation(line: 3, column: 3, scope: !6)
|
|
!10 = !DILocation(line: 4, column: 1, scope: !6)
|
|
!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)
|
|
!12 = !DILocation(line: 3, column: 3, scope: !6, inlinedAt: !13)
|
|
!13 = distinct !DILocation(line: 6, column: 3, scope: !11)
|
|
!14 = !DILocation(line: 7, column: 1, scope: !11)
|
|
!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)
|
|
!16 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "F4", file: !1, line: 9, size: 8, elements: !17, identifier: "_ZTS2F4")
|
|
!17 = !{!18}
|
|
!18 = !DISubprogram(name: "f5", linkageName: "_ZN2F42f5Ev", scope: !16, file: !1, line: 10, type: !7, isLocal: false, isDefinition: false, scopeLine: 10, flags: DIFlagPrototyped, isOptimized: false)
|
|
!19 = !DILocation(line: 13, column: 3, scope: !15)
|
|
!20 = !DILocation(line: 14, column: 1, scope: !15)
|
|
!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)
|
|
!22 = !DILocation(line: 13, column: 3, scope: !15, inlinedAt: !23)
|
|
!23 = distinct !DILocation(line: 16, column: 3, scope: !21)
|
|
!24 = !DILocation(line: 17, column: 1, scope: !21)
|