; RUN: llc -generate-arange-section < %s | FileCheck %s

; CHECK: .short  2 # DWARF Arange version number
; CHECK: # Segment Size
; CHECK-NOT: debug_loc
; CHECK: .quad global
; CHECK-NOT: debug_loc
; CHECK: # ARange terminator

; --- Source code ---
; Generated with "clang -g -O1 -S -emit-llvm"

; int global = 2;
; int foo(int bar) { return bar; }
; int foo2(int bar2) { return bar2; }

; int main() {
;   return foo(2) + foo2(1) + global;
; }


; ModuleID = 'tmp/debug_ranges/a.cc'
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

@global = global i32 2, align 4

; Function Attrs: nounwind readnone uwtable
define i32 @_Z3fooi(i32 %bar) #0 {
entry:
  tail call void @llvm.dbg.value(metadata i32 %bar, i64 0, metadata !10, metadata !{!"0x102"}), !dbg !20
  ret i32 %bar, !dbg !20
}

; Function Attrs: nounwind readnone uwtable
define i32 @_Z4foo2i(i32 %bar2) #0 {
entry:
  tail call void @llvm.dbg.value(metadata i32 %bar2, i64 0, metadata !13, metadata !{!"0x102"}), !dbg !21
  ret i32 %bar2, !dbg !21
}

; Function Attrs: nounwind readonly uwtable
define i32 @main() #1 {
entry:
  %call = tail call i32 @_Z3fooi(i32 2), !dbg !22
  %call1 = tail call i32 @_Z4foo2i(i32 1), !dbg !22
  %add = add nsw i32 %call1, %call, !dbg !22
  %0 = load i32* @global, align 4, !dbg !22, !tbaa !23
  %add2 = add nsw i32 %add, %0, !dbg !22
  ret i32 %add2, !dbg !22
}

; Function Attrs: nounwind readnone
declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #2

attributes #0 = { nounwind readnone uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { nounwind readonly uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #2 = { nounwind readnone }

!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!19, !26}

!0 = !{!"0x11\004\00clang version 3.4 (191881)\001\00\000\00\001", !1, !2, !2, !3, !17, !2} ; [ DW_TAG_compile_unit ] [/tmp/debug_ranges/a.cc] [DW_LANG_C_plus_plus]
!1 = !{!"tmp/debug_ranges/a.cc", !"/"}
!2 = !{}
!3 = !{!4, !11, !14}
!4 = !{!"0x2e\00foo\00foo\00_Z3fooi\002\000\001\000\006\00256\001\002", !1, !5, !6, null, i32 (i32)* @_Z3fooi, null, null, !9} ; [ DW_TAG_subprogram ] [line 2] [def] [foo]
!5 = !{!"0x29", !1}          ; [ DW_TAG_file_type ] [/tmp/debug_ranges/a.cc]
!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}
!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 = !{!"0x101\00bar\0016777218\000", !4, !5, !8} ; [ DW_TAG_arg_variable ] [bar] [line 2]
!11 = !{!"0x2e\00foo2\00foo2\00_Z4foo2i\003\000\001\000\006\00256\001\003", !1, !5, !6, null, i32 (i32)* @_Z4foo2i, null, null, !12} ; [ DW_TAG_subprogram ] [line 3] [def] [foo2]
!12 = !{!13}
!13 = !{!"0x101\00bar2\0016777219\000", !11, !5, !8} ; [ DW_TAG_arg_variable ] [bar2] [line 3]
!14 = !{!"0x2e\00main\00main\00\005\000\001\000\006\00256\001\005", !1, !5, !15, null, i32 ()* @main, null, null, !2} ; [ DW_TAG_subprogram ] [line 5] [def] [main]
!15 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !16, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!16 = !{!8}
!17 = !{!18}
!18 = !{!"0x34\00global\00global\00\001\000\001", null, !5, !8, i32* @global, null} ; [ DW_TAG_variable ] [global] [line 1] [def]
!19 = !{i32 2, !"Dwarf Version", i32 4}
!20 = !MDLocation(line: 2, scope: !4)
!21 = !MDLocation(line: 3, scope: !11)
!22 = !MDLocation(line: 6, scope: !14)
!23 = !{!"int", !24}
!24 = !{!"omnipotent char", !25}
!25 = !{!"Simple C/C++ TBAA"}
!26 = !{i32 1, !"Debug Info Version", i32 2}