; RUN: llc -mcpu=core2 -mtriple=i686-pc-win32 -O0 < %s | FileCheck --check-prefix=X86 %s ; This LL file was generated by running clang on the following code: ; D:\test.cpp: ; 1 void foo(); ; 2 ; 3 static void bar(int arg, ...) { ; 4 foo(); ; 5 } ; 6 ; 7 void spam(void) { ; 8 bar(42); ; 9 } ; ; The bar function happens to have no lexical scopes, yet it has one instruction ; with debug information available. This used to be PR19239. ; X86: .cv_file 1 "D:\\test.cpp" ; X86-LABEL: {{^}}"?bar@@YAXHZZ": ; X86: .cv_loc 1 1 4 0 ; X86: jmp "?foo@@YAXXZ" ; X86: [[END_OF_BAR:.?Lfunc_end.*]]:{{$}} ; X86-NOT: ret ; X86-LABEL: .section .debug$S,"dr" ; X86: .secrel32 "?bar@@YAXHZZ" ; X86-NEXT: .secidx "?bar@@YAXHZZ" ; X86: .cv_linetable 1, "?bar@@YAXHZZ", [[END_OF_BAR]] ; X86: .cv_filechecksums ; X86: .cv_stringtable ; ModuleID = 'test.cpp' target datalayout = "e-m:w-p:32:32-i64:64-f80:32-n8:16:32-S32" target triple = "i686-pc-win32" ; Function Attrs: nounwind define void @"\01?spam@@YAXXZ"() #0 !dbg !4 { entry: tail call void @"\01?bar@@YAXHZZ"(), !dbg !11 ret void, !dbg !12 } ; Function Attrs: nounwind define internal void @"\01?bar@@YAXHZZ"() #0 !dbg !7 { entry: tail call void @"\01?foo@@YAXXZ"() #2, !dbg !13 ret void, !dbg !14 } declare void @"\01?foo@@YAXXZ"() #1 attributes #0 = { nounwind "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } attributes #1 = { "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } attributes #2 = { nounwind } !llvm.dbg.cu = !{!0} !llvm.module.flags = !{!8, !9} !llvm.ident = !{!10} !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 ", isOptimized: true, emissionKind: LineTablesOnly, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2) !1 = !DIFile(filename: "test.cpp", directory: "D:\5C") !2 = !{} !4 = distinct !DISubprogram(name: "spam", line: 7, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 7, file: !1, scope: !5, type: !6, retainedNodes: !2) !5 = !DIFile(filename: "test.cpp", directory: "D:C") !6 = !DISubroutineType(types: !2) !7 = distinct !DISubprogram(name: "bar", line: 3, isLocal: true, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 3, file: !1, scope: !5, type: !6, retainedNodes: !2) !8 = !{i32 2, !"CodeView", i32 1} !9 = !{i32 1, !"Debug Info Version", i32 3} !10 = !{!"clang version 3.5.0 "} !11 = !DILocation(line: 8, scope: !4) !12 = !DILocation(line: 9, scope: !4) !13 = !DILocation(line: 4, scope: !7) !14 = !DILocation(line: 5, scope: !7)