| ; RUN: %llc_dwarf -O0 -filetype=obj -dwarf-linkage-names=Abstract < %s | llvm-dwarfdump -debug-dump=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 -debug-dump=info - > %t |
| ; RUN: FileCheck %s -check-prefix=ONENAME < %t |
| ; RUN: FileCheck %s -check-prefix=REF < %t |
| ; REQUIRES: object-emission |
| |
| ; 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(); |
| ; } |
| |
| ; Show that there's only one linkage_name. |
| ; ONENAME: {{DW_AT(_MIPS)?_linkage_name}} |
| ; ONENAME-NOT: {{DW_AT(_MIPS)?_linkage_name}} |
| |
| ; Locate the subprogram DIE with the linkage name. |
| ; Show that the inlined_subroutine refers to it. |
| ; REF: DW_TAG_subprogram |
| ; REF: [[FOO:0x.*]]: DW_TAG_subprogram |
| ; REF-NOT: {{DW_TAG|NULL}} |
| ; REF: {{DW_AT(_MIPS)?_linkage_name}} |
| ; REF: DW_TAG_inlined_subroutine |
| ; REF-NOT: {{DW_TAG|NULL}} |
| ; REF: DW_AT_abstract_origin {{.*}} {[[FOO]]} |
| |
| ; Function Attrs: alwaysinline uwtable |
| define void @_Z2f2v() #0 !dbg !4 { |
| entry: |
| call void @_Z2f1v(), !dbg !11 |
| ret void, !dbg !12 |
| } |
| |
| declare void @_Z2f1v() |
| |
| ; Function Attrs: uwtable |
| define void @_Z2f3v() #2 !dbg !7 { |
| entry: |
| call void @_Z2f1v(), !dbg !13 |
| ret void, !dbg !15 |
| } |
| |
| attributes #0 = { alwaysinline uwtable } |
| attributes #2 = { uwtable } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!8, !9} |
| !llvm.ident = !{!10} |
| |
| !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) |
| !1 = !DIFile(filename: "linkage-name-abstract.cpp", directory: "/home/probinson/projects/scratch") |
| !2 = !{} |
| !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) |
| !5 = !DISubroutineType(types: !6) |
| !6 = !{null} |
| !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) |
| !8 = !{i32 2, !"Dwarf Version", i32 4} |
| !9 = !{i32 2, !"Debug Info Version", i32 3} |
| !10 = !{!"clang version 3.9.0 (trunk 265282)"} |
| !11 = !DILocation(line: 3, column: 3, scope: !4) |
| !12 = !DILocation(line: 4, column: 1, scope: !4) |
| !13 = !DILocation(line: 3, column: 3, scope: !4, inlinedAt: !14) |
| !14 = distinct !DILocation(line: 6, column: 3, scope: !7) |
| !15 = !DILocation(line: 7, column: 1, scope: !7) |