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1; RUN: llc -mcpu=core2 -mtriple=i686-pc-win32 -O0 < %s | FileCheck --check-prefix=X86 %s2 3; This LL file was generated by running clang on the following code:4; D:\test.cpp:5; 1 void foo();6; 27; 3 static void bar(int arg, ...) {8; 4 foo();9; 5 }10; 611; 7 void spam(void) {12; 8 bar(42);13; 9 }14;15; The bar function happens to have no lexical scopes, yet it has one instruction16; with debug information available. This used to be PR19239.17 18; X86: .cv_file 1 "D:\\test.cpp"19 20; X86-LABEL: {{^}}"?bar@@YAXHZZ":21; X86: .cv_loc 1 1 4 022; X86: jmp "?foo@@YAXXZ"23; X86: [[END_OF_BAR:.?Lfunc_end.*]]:{{$}}24; X86-NOT: ret25 26; X86-LABEL: .section .debug$S,"dr"27; X86: .secrel32 "?bar@@YAXHZZ"28; X86-NEXT: .secidx "?bar@@YAXHZZ"29; X86: .cv_linetable 1, "?bar@@YAXHZZ", [[END_OF_BAR]]30; X86: .cv_filechecksums31; X86: .cv_stringtable32 33; ModuleID = 'test.cpp'34target datalayout = "e-m:w-p:32:32-i64:64-f80:32-n8:16:32-S32"35target triple = "i686-pc-win32"36 37; Function Attrs: nounwind38define void @"\01?spam@@YAXXZ"() #0 !dbg !4 {39entry:40 tail call void @"\01?bar@@YAXHZZ"(), !dbg !1141 ret void, !dbg !1242}43 44; Function Attrs: nounwind45define internal void @"\01?bar@@YAXHZZ"() #0 !dbg !7 {46entry:47 tail call void @"\01?foo@@YAXXZ"() #2, !dbg !1348 ret void, !dbg !1449}50 51declare void @"\01?foo@@YAXXZ"() #152 53attributes #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" "use-soft-float"="false" }54attributes #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" "use-soft-float"="false" }55attributes #2 = { nounwind }56 57!llvm.dbg.cu = !{!0}58!llvm.module.flags = !{!8, !9}59!llvm.ident = !{!10}60 61!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)62!1 = !DIFile(filename: "test.cpp", directory: "D:\5C")63!2 = !{}64!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)65!5 = !DIFile(filename: "test.cpp", directory: "D:C")66!6 = !DISubroutineType(types: !2)67!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)68!8 = !{i32 2, !"CodeView", i32 1}69!9 = !{i32 1, !"Debug Info Version", i32 3}70!10 = !{!"clang version 3.5.0 "}71!11 = !DILocation(line: 8, scope: !4)72!12 = !DILocation(line: 9, scope: !4)73!13 = !DILocation(line: 4, scope: !7)74!14 = !DILocation(line: 5, scope: !7)75