1; RUN: %llc_dwarf -O0 -filetype=obj -dwarf-linkage-names=Abstract < %s | llvm-dwarfdump -debug-dump=info - > %t 2; RUN: FileCheck %s -check-prefix=ONENAME < %t 3; RUN: FileCheck %s -check-prefix=REF < %t 4; Verify tuning for SCE gets us Abstract only. 5; RUN: %llc_dwarf -O0 -filetype=obj -debugger-tune=sce < %s | llvm-dwarfdump -debug-dump=info - > %t 6; RUN: FileCheck %s -check-prefix=ONENAME < %t 7; RUN: FileCheck %s -check-prefix=REF < %t 8; REQUIRES: object-emission 9 10; Verify that the only linkage-name present is the abstract origin of the 11; inlined subprogram. 12 13; IR generated from clang -O0 with: 14; void f1(); 15; __attribute__((always_inline)) void f2() { 16; f1(); 17; } 18; void f3() { 19; f2(); 20; } 21 22; Show that there's only one linkage_name. 23; ONENAME: {{DW_AT(_MIPS)?_linkage_name}} 24; ONENAME-NOT: {{DW_AT(_MIPS)?_linkage_name}} 25 26; Locate the subprogram DIE with the linkage name. 27; Show that the inlined_subroutine refers to it. 28; REF: DW_TAG_subprogram 29; REF: [[FOO:0x.*]]: DW_TAG_subprogram 30; REF-NOT: {{DW_TAG|NULL}} 31; REF: {{DW_AT(_MIPS)?_linkage_name}} 32; REF: DW_TAG_inlined_subroutine 33; REF-NOT: {{DW_TAG|NULL}} 34; REF: DW_AT_abstract_origin {{.*}} {[[FOO]]} 35 36; Function Attrs: alwaysinline uwtable 37define void @_Z2f2v() #0 !dbg !4 { 38entry: 39 call void @_Z2f1v(), !dbg !11 40 ret void, !dbg !12 41} 42 43declare void @_Z2f1v() 44 45; Function Attrs: uwtable 46define void @_Z2f3v() #2 !dbg !7 { 47entry: 48 call void @_Z2f1v(), !dbg !13 49 ret void, !dbg !15 50} 51 52attributes #0 = { alwaysinline uwtable } 53attributes #2 = { uwtable } 54 55!llvm.dbg.cu = !{!0} 56!llvm.module.flags = !{!8, !9} 57!llvm.ident = !{!10} 58 59!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) 60!1 = !DIFile(filename: "linkage-name-abstract.cpp", directory: "/home/probinson/projects/scratch") 61!2 = !{} 62!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) 63!5 = !DISubroutineType(types: !6) 64!6 = !{null} 65!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) 66!8 = !{i32 2, !"Dwarf Version", i32 4} 67!9 = !{i32 2, !"Debug Info Version", i32 3} 68!10 = !{!"clang version 3.9.0 (trunk 265282)"} 69!11 = !DILocation(line: 3, column: 3, scope: !4) 70!12 = !DILocation(line: 4, column: 1, scope: !4) 71!13 = !DILocation(line: 3, column: 3, scope: !4, inlinedAt: !14) 72!14 = distinct !DILocation(line: 6, column: 3, scope: !7) 73!15 = !DILocation(line: 7, column: 1, scope: !7) 74