| Paul Robinson | 43d1e45 | 2016-04-18 22:41:41 +0000 | [diff] [blame] | 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 |
| 37 | define void @_Z2f2v() #0 !dbg !4 { |
| 38 | entry: |
| 39 | call void @_Z2f1v(), !dbg !11 |
| 40 | ret void, !dbg !12 |
| 41 | } |
| 42 | |
| 43 | declare void @_Z2f1v() |
| 44 | |
| 45 | ; Function Attrs: uwtable |
| 46 | define void @_Z2f3v() #2 !dbg !7 { |
| 47 | entry: |
| 48 | call void @_Z2f1v(), !dbg !13 |
| 49 | ret void, !dbg !15 |
| 50 | } |
| 51 | |
| 52 | attributes #0 = { alwaysinline uwtable } |
| 53 | attributes #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) |