test/DebugInfo/global.ll

; REQUIRES: object-emission

; RUN: %llc_dwarf -O0 -filetype=obj < %s > %t
; RUN: llvm-dwarfdump %t | FileCheck %s

; Also test that the null streamer doesn't crash with debug info.
; RUN: %llc_dwarf -O0 -filetype=null < %s

; generated from the following source compiled to bitcode with clang -g -O1
; static int i;
; int main() {
;   (void)&i;
; }

; CHECK: debug_info contents
; CHECK: DW_TAG_variable

; Function Attrs: nounwind readnone uwtable
define i32 @main() #0 {
entry:
  ret i32 0, !dbg !12
}

attributes #0 = { nounwind readnone uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }

!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!11, !13}

!0 = !{!"0x11\004\00clang version 3.4 \001\00\000\00\000", !1, !2, !2, !3, !9, !2} ; [ DW_TAG_compile_unit ] [/tmp/global.cpp] [DW_LANG_C_plus_plus]
!1 = !{!"global.cpp", !"/tmp"}
!2 = !{}
!3 = !{!4}
!4 = !{!"0x2e\00main\00main\00\002\000\001\000\006\00256\001\002", !1, !5, !6, null, i32 ()* @main, null, null, !2} ; [ DW_TAG_subprogram ] [line 2] [def] [main]
!5 = !{!"0x29", !1}          ; [ DW_TAG_file_type ] [/tmp/global.cpp]
!6 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !7, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!7 = !{!8}
!8 = !{!"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
!9 = !{!10}
!10 = !{!"0x34\00i\00i\00_ZL1i\001\001\001", null, !5, !8, null, null} ; [ DW_TAG_variable ]
!11 = !{i32 2, !"Dwarf Version", i32 3}
!12 = !MDLocation(line: 4, scope: !4)
!13 = !{i32 1, !"Debug Info Version", i32 2}