llvm/llvm/test/DebugInfo/X86/noreturn_objc.ll

; RUN: llc -filetype=obj < %s | llvm-dwarfdump -debug-info - | FileCheck %s

; Generated by clang++ -S -c --emit-llvm -g from the following ObjC source:
; #include <stdlib.h>
; __attribute__ ((noreturn)) void f()
; {
;  exit(0);
; }

; CHECK: DW_TAG_subprogram
; CHECK-NOT: DW_TAG
; CHECK: DW_AT_name{{.*}}"f"
; CHECK-NOT: DW_TAG
; CHECK: DW_AT_noreturn

; ModuleID = './test.m'
source_filename = "./test.m"
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

; Function Attrs: noreturn
define void @f() #0 !dbg !6 {
entry:
  call void @exit(i32 0) #2, !dbg !10
  unreachable, !dbg !10

return:                                           ; No predecessors!
  ret void, !dbg !11
}

; Function Attrs: noreturn
declare void @exit(i32) #1

attributes #0 = { noreturn }

!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!3, !4}
!llvm.ident = !{!5}

!0 = distinct !DICompileUnit(language: DW_LANG_ObjC, file: !1, producer: "clang version 4.0.0", isOptimized: false, runtimeVersion: 1, emissionKind: FullDebug, enums: !2)
!1 = !DIFile(filename: "test.m", directory: "/home/del/test/noreturn/objc")
!2 = !{}
!3 = !{i32 2, !"Dwarf Version", i32 4}
!4 = !{i32 2, !"Debug Info Version", i32 3}
!5 = !{!"clang version 4.0.0"}
!6 = distinct !DISubprogram(name: "f", scope: !7, file: !7, line: 2, type: !8, isLocal: false, isDefinition: true, scopeLine: 3, flags: DIFlagNoReturn, isOptimized: false, unit: !0, retainedNodes: !2)
!7 = !DIFile(filename: "./test.m", directory: "/home/del/test/noreturn/objc")
!8 = !DISubroutineType(types: !9)
!9 = !{null}
!10 = !DILocation(line: 4, column: 3, scope: !6)
!11 = !DILocation(line: 5, column: 1, scope: !6)