; RUN: llc -O0 < %s | FileCheck %s
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"
target triple = "x86_64-apple-macosx10.6.7"

;CHECK-LABEL: foo:
;CHECK: .loc	1 2 11 prologue_end
define i32 @foo(i32 %i) nounwind ssp !dbg !1 {
entry:
  %i.addr = alloca i32, align 4
  %j = alloca i32, align 4
  store i32 %i, i32* %i.addr, align 4
  call void @llvm.dbg.declare(metadata i32* %i.addr, metadata !7, metadata !DIExpression()), !dbg !8
  call void @llvm.dbg.declare(metadata i32* %j, metadata !9, metadata !DIExpression()), !dbg !11
  store i32 2, i32* %j, align 4, !dbg !12
  %tmp = load i32, i32* %j, align 4, !dbg !13
  %inc = add nsw i32 %tmp, 1, !dbg !13
  store i32 %inc, i32* %j, align 4, !dbg !13
  %tmp1 = load i32, i32* %j, align 4, !dbg !14
  %tmp2 = load i32, i32* %i.addr, align 4, !dbg !14
  %add = add nsw i32 %tmp1, %tmp2, !dbg !14
  store i32 %add, i32* %j, align 4, !dbg !14
  %tmp3 = load i32, i32* %j, align 4, !dbg !15
  ret i32 %tmp3, !dbg !15
}

declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone

;CHECK-LABEL: main:
;CHECK: .loc 1 8 2 prologue_end

define i32 @main() nounwind ssp !dbg !6 {
entry:
  %retval = alloca i32, align 4
  store i32 0, i32* %retval, !dbg !22
  %call = call i32 @foo(i32 21), !dbg !16
  ret i32 %call, !dbg !16
}

!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!21}
!18 = !{!1, !6}

!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.0 (trunk 131100)", isOptimized: false, emissionKind: FullDebug, file: !19, enums: !20, retainedTypes: !20, imports:  null)
!1 = distinct !DISubprogram(name: "foo", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 1, file: !19, scope: !2, type: !3)
!2 = !DIFile(filename: "/tmp/a.c", directory: "/private/tmp")
!3 = !DISubroutineType(types: !4)
!4 = !{!5}
!5 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
!6 = distinct !DISubprogram(name: "main", line: 7, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, unit: !0, scopeLine: 7, file: !19, scope: !2, type: !3)
!7 = !DILocalVariable(name: "i", line: 1, arg: 1, scope: !1, file: !2, type: !5)
!8 = !DILocation(line: 1, column: 13, scope: !1)
!9 = !DILocalVariable(name: "j", line: 2, scope: !10, file: !2, type: !5)
!10 = distinct !DILexicalBlock(line: 1, column: 16, file: !19, scope: !1)
!11 = !DILocation(line: 2, column: 6, scope: !10)
!12 = !DILocation(line: 2, column: 11, scope: !10)
!13 = !DILocation(line: 3, column: 2, scope: !10)
!14 = !DILocation(line: 4, column: 2, scope: !10)
!15 = !DILocation(line: 5, column: 2, scope: !10)
!16 = !DILocation(line: 8, column: 2, scope: !17)
!17 = distinct !DILexicalBlock(line: 7, column: 12, file: !19, scope: !6)
!19 = !DIFile(filename: "/tmp/a.c", directory: "/private/tmp")
!20 = !{}
!21 = !{i32 1, !"Debug Info Version", i32 3}
!22 = !DILocation(line: 0, column: 0, scope: !17)