| ; RUN: llc -filetype=obj -use-unknown-locations=Enable -mtriple=x86_64-unknown-linux %s -o %t |
| ; RUN: llvm-dwarfdump -debug-line %t | FileCheck %s |
| |
| define void @_Z3bazv() !dbg !6 { |
| call void @_Z3foov(), !dbg !9 |
| call void @_Z3foov() ; no !dbg, so will be marked as line 0 |
| ret void, !dbg !11 |
| } |
| |
| declare void @_Z3foov() |
| |
| !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 3.9.0 (trunk 267219)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2) |
| !1 = !DIFile(filename: "test.cc", directory: ".") |
| !2 = !{} |
| !3 = !{i32 2, !"Dwarf Version", i32 4} |
| !4 = !{i32 2, !"Debug Info Version", i32 3} |
| !5 = !{!"clang version 3.9.0 (trunk 267219)"} |
| !6 = distinct !DISubprogram(name: "baz", linkageName: "_Z3bazv", scope: !1, file: !1, line: 3, type: !7, isLocal: false, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2) |
| !7 = !DISubroutineType(types: !8) |
| !8 = !{null} |
| !9 = !DILocation(line: 4, column: 3, scope: !10) |
| !10 = !DILexicalBlockFile(scope: !6, file: !1, discriminator: 1) |
| !11 = !DILocation(line: 6, column: 1, scope: !6) |
| |
| ; Look at the lengths. We can't verify the line-number-program size |
| ; directly, but the difference in the two lengths should not change |
| ; unexpectedly. |
| ; CHECK: total_length: 0x00000044 |
| ; CHECK: prologue_length: 0x0000001f |
| ; |
| ; Verify that we see a line entry with a discriminator, and the next entry |
| ; has line 0 and no discriminator. |
| ; line column file ISA discriminator |
| ; CHECK: 4 3 1 0 1 |
| ; CHECK-NEXT: 0 3 1 0 0 |