1 ; REQUIRES: object-emission 2 3 ; RUN: %llc_dwarf -O0 -filetype=obj < %s | llvm-dwarfdump - | FileCheck %s 4 5 ; Just because there are no scopes/locations on any instructions in the 6 ; function doesn't mean we can't describe the address range of the function. 7 ; Check that we do that 8 9 ; CHECK: DW_TAG_subprogram 10 ; CHECK-NOT: TAG 11 ; CHECK: DW_AT_low_pc 12 13 ; Function Attrs: nounwind uwtable 14 define void @f() #0 !dbg !6 { 15 entry: 16 ret void 17 } 18 19 !llvm.dbg.cu = !{!0} 20 !llvm.module.flags = !{!3, !4} 21 !llvm.ident = !{!5} 22 23 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 4.0.0 (trunk 289692) (llvm/trunk 289697)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2) 24 !1 = !DIFile(filename: "noscopes.c", directory: "/tmp/dbginfo") 25 !2 = !{} 26 !3 = !{i32 2, !"Dwarf Version", i32 4} 27 !4 = !{i32 2, !"Debug Info Version", i32 3} 28 !5 = !{!"clang version 4.0.0 (trunk 289692) (llvm/trunk 289697)"} 29 !6 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 1, type: !7, isLocal: false, isDefinition: true, scopeLine: 1, isOptimized: false, unit: !0, retainedNodes: !2) 30 !7 = !DISubroutineType(types: !8) 31 !8 = !{null} 32 !9 = !DILocation(line: 2, column: 1, scope: !6) 33 34
