; RUN: llc -filetype=asm %s -o - -mtriple arm64-apple-ios -addrsig | FileCheck %s
; RUN: llc -filetype=obj %s -o %t -mtriple arm64-apple-ios -addrsig
; RUN: llvm-readobj --hex-dump='__llvm_addrsig' %t | FileCheck %s --check-prefix=OBJ

; CHECK:			.addrsig{{$}}
; CHECK-NEXT:	.addrsig_sym _func03_takeaddr
; CHECK-NEXT:	.addrsig_sym _f1
; CHECK-NEXT:	.addrsig_sym _metadata_f2
; CHECK-NEXT:	.addrsig_sym _result
; CHECK-NEXT:	.addrsig_sym _g1
; CHECK-NEXT:	.addrsig_sym _a1
; CHECK-NEXT:	.addrsig_sym _i1

; OBJ: Hex dump of section '__llvm_addrsig':
; OBJ-NEXT:0x{{[0-9a-f]*}}

target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
target triple = "arm64-apple-ios7.0.0"

@result = global i32 0, align 4

; Function Attrs: minsize nofree noinline norecurse nounwind optsize ssp uwtable
define void @func01() local_unnamed_addr #0 {
entry:
  %0 = load volatile i32, ptr @result, align 4
  %add = add nsw i32 %0, 1
  store volatile i32 %add, ptr @result, align 4
  ret void
}

; Function Attrs: minsize nofree noinline norecurse nounwind optsize ssp uwtable
define void @func02() local_unnamed_addr #0 {
entry:
  %0 = load volatile i32, ptr @result, align 4
  %add = add nsw i32 %0, 1
  store volatile i32 %add, ptr @result, align 4
  ret void
}

; Function Attrs: minsize nofree noinline norecurse nounwind optsize ssp uwtable
define void @func03_takeaddr() #0 {
entry:
  %0 = load volatile i32, ptr @result, align 4
  %add = add nsw i32 %0, 1
  store volatile i32 %add, ptr @result, align 4
  ret void
}

; Function Attrs: minsize nofree norecurse nounwind optsize ssp uwtable
define void @callAllFunctions() local_unnamed_addr {
entry:
  tail call void @func01()
  tail call void @func02()
  tail call void @func03_takeaddr()
  %0 = load volatile i32, ptr @result, align 4
  %add = add nsw i32 %0, ptrtoint (ptr @func03_takeaddr to i32)
  store volatile i32 %add, ptr @result, align 4
  ret void
}


define void()* @f1() {
  %f1 = bitcast void()* ()* @f1 to i8*
  %f2 = bitcast void()* ()* @f2 to i8*
  %f3 = bitcast void()* @f3 to i8*
  %g1 = bitcast i32* @g1 to i8*
  %g2 = bitcast i32* @g2 to i8*
  %g3 = bitcast i32* @g3 to i8*
  %dllimport = bitcast i32* @dllimport to i8*
  %tls = bitcast i32* @tls to i8*
  %a1 = bitcast i32* @a1 to i8*
  %a2 = bitcast i32* @a2 to i8*
  %i1 = bitcast void()* @i1 to i8*
  %i2 = bitcast void()* @i2 to i8*
  call void @llvm.dbg.value(metadata i8* bitcast (void()* @metadata_f1 to i8*), metadata !5, metadata !DIExpression()), !dbg !7
  call void @llvm.dbg.value(metadata i8* bitcast (void()* @metadata_f2 to i8*), metadata !5, metadata !DIExpression()), !dbg !7
  call void @f4(i8* bitcast (void()* @metadata_f2 to i8*))
  unreachable
}

declare void @f4(i8*) unnamed_addr

declare void @metadata_f1()
declare void @metadata_f2()

define internal void()* @f2() local_unnamed_addr {
  unreachable
}

declare void @f3() unnamed_addr

@g1 = global i32 0
@g2 = internal local_unnamed_addr global i32 0
@g3 = external unnamed_addr global i32

@unref = external global i32

@dllimport = external dllimport global i32

@tls = thread_local global i32 0

@a1 = alias i32, i32* @g1
@a2 = internal local_unnamed_addr alias i32, i32* @g2

@i1 = ifunc void(), void()* ()* @f1
@i2 = internal local_unnamed_addr ifunc void(), void()* ()* @f2

declare void @llvm.dbg.value(metadata, metadata, metadata)

attributes #0 = { noinline }

!3 = distinct !DISubprogram(scope: null, isLocal: false, isDefinition: true, isOptimized: false)
!4 = !DILocation(line: 0, scope: !3)
!5 = !DILocalVariable(scope: !6)
!6 = distinct !DISubprogram(scope: null, isLocal: false, isDefinition: true, isOptimized: false)
!7 = !DILocation(line: 0, scope: !6, inlinedAt: !4)