1; RUN: llc -mcpu=core2 -mtriple=i686-pc-win32 -O0 < %s | FileCheck --check-prefix=X86 %s 2 3; This LL file was generated by running clang on the following code: 4; D:\test.cpp: 5; 1 void foo(); 6; 2 7; 3 static void bar(int arg, ...) { 8; 4 foo(); 9; 5 } 10; 6 11; 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 instruction 16; with debug information available. This used to be PR19239. 17 18; X86-LABEL: {{^}}"?bar@@YAXHZZ": 19; X86-NEXT: # BB 20; X86-NEXT: [[JMP_LINE:^L.*]]:{{$}} 21; X86: jmp "?foo@@YAXXZ" 22; X86-NEXT: [[END_OF_BAR:^L.*]]:{{$}} 23; X86-NOT: ret 24 25; X86-LABEL: .section .debug$S,"dr" 26; X86: .secrel32 "?bar@@YAXHZZ" 27; X86-NEXT: .secidx "?bar@@YAXHZZ" 28; X86: .long 0 29; X86-NEXT: .long 1 30; X86-NEXT: .long {{.*}} 31; X86-NEXT: .long [[JMP_LINE]]-"?bar@@YAXHZZ" 32; X86-NEXT: .long 4 33 34; X86-LABEL: .long 244 35 36; ModuleID = 'test.cpp' 37target datalayout = "e-m:w-p:32:32-i64:64-f80:32-n8:16:32-S32" 38target triple = "i686-pc-win32" 39 40; Function Attrs: nounwind 41define void @"\01?spam@@YAXXZ"() #0 { 42entry: 43 tail call void @"\01?bar@@YAXHZZ"(), !dbg !11 44 ret void, !dbg !12 45} 46 47; Function Attrs: nounwind 48define internal void @"\01?bar@@YAXHZZ"() #0 { 49entry: 50 tail call void @"\01?foo@@YAXXZ"() #2, !dbg !13 51 ret void, !dbg !14 52} 53 54declare void @"\01?foo@@YAXXZ"() #1 55 56attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "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" } 57attributes #1 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "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" } 58attributes #2 = { nounwind } 59 60!llvm.dbg.cu = !{!0} 61!llvm.module.flags = !{!8, !9} 62!llvm.ident = !{!10} 63 64!0 = !{!"0x11\004\00clang version 3.5.0 \001\00\000\00\002", !1, !2, !2, !3, !2, !2} ; [ DW_TAG_compile_unit ] [D:\/test.cpp] [DW_LANG_C_plus_plus] 65!1 = !{!"test.cpp", !"D:\5C"} 66!2 = !{} 67!3 = !{!4, !7} 68!4 = !{!"0x2e\00spam\00spam\00\007\000\001\000\006\00256\001\007", !1, !5, !6, null, void ()* @"\01?spam@@YAXXZ", null, null, !2} ; [ DW_TAG_subprogram ] [line 7] [def] [spam] 69!5 = !{!"0x29", !1} ; [ DW_TAG_file_type ] [D:\/test.cpp] 70!6 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !2, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 71!7 = !{!"0x2e\00bar\00bar\00\003\001\001\000\006\00256\001\003", !1, !5, !6, null, null, null, null, !2} ; [ DW_TAG_subprogram ] [line 3] [local] [def] [bar] 72!8 = !{i32 2, !"Dwarf Version", i32 4} 73!9 = !{i32 1, !"Debug Info Version", i32 2} 74!10 = !{!"clang version 3.5.0 "} 75!11 = !MDLocation(line: 8, scope: !4) 76!12 = !MDLocation(line: 9, scope: !4) 77!13 = !MDLocation(line: 4, scope: !7) 78!14 = !MDLocation(line: 5, scope: !7) 79