; LLVM IR from holzschu/ios_system :: libinfo/gen.subproj (ip6opt)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%struct.cmsghdr = type { i64, i32, i32, [0 x i8] }

; Function Attrs: nounwind uwtable
define dso_local i32 @inet6_option_init(ptr noundef %0, ptr noundef %1, i32 noundef %2) #0 {
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store i32 %2, ptr %7, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #2
  %10 = load ptr, ptr %5, align 8, !tbaa !5
  store ptr %10, ptr %8, align 8, !tbaa !5
  %11 = load i32, ptr %7, align 4, !tbaa !9
  %12 = icmp ne i32 %11, 54
  br i1 %12, label %13, label %17

13:                                               ; preds = %3
  %14 = load i32, ptr %7, align 4, !tbaa !9
  %15 = icmp ne i32 %14, 59
  br i1 %15, label %16, label %17

16:                                               ; preds = %13
  store i32 -1, ptr %4, align 4
  store i32 1, ptr %9, align 4
  br label %27

17:                                               ; preds = %13, %3
  %18 = load ptr, ptr %8, align 8, !tbaa !5
  %19 = getelementptr inbounds %struct.cmsghdr, ptr %18, i32 0, i32 1
  store i32 41, ptr %19, align 8, !tbaa !9
  %20 = load i32, ptr %7, align 4, !tbaa !9
  %21 = load ptr, ptr %8, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct.cmsghdr, ptr %21, i32 0, i32 2
  store i32 %20, ptr %22, align 4, !tbaa !9
  %23 = load ptr, ptr %8, align 8, !tbaa !5
  %24 = getelementptr inbounds %struct.cmsghdr, ptr %23, i32 0, i32 0
  store i64 16, ptr %24, align 8, !tbaa !11
  %25 = load ptr, ptr %8, align 8, !tbaa !5
  %26 = load ptr, ptr %6, align 8, !tbaa !5
  store ptr %25, ptr %26, align 8, !tbaa !5
  store i32 0, ptr %4, align 4
  store i32 1, ptr %9, align 4
  br label %27

27:                                               ; preds = %17, %16
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #2
  %28 = load i32, ptr %4, align 4
  ret i32 %28
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

attributes #0 = { nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"long", !7, i64 0}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) uwtable
define dso_local range(i32 -1, 1) i32 @inet6_option_init(ptr noundef %0, ptr nocapture noundef writeonly %1, i32 noundef %2) local_unnamed_addr #0 {
  switch i32 %2, label %7 [
    i32 59, label %4
    i32 54, label %4
  ]

4:                                                ; preds = %3, %3
  %5 = getelementptr inbounds i8, ptr %0, i64 8
  store i32 41, ptr %5, align 8, !tbaa !5
  %6 = getelementptr inbounds i8, ptr %0, i64 12
  store i32 %2, ptr %6, align 4, !tbaa !5
  store i64 16, ptr %0, align 8, !tbaa !9
  store ptr %0, ptr %1, align 8, !tbaa !11
  br label %7

7:                                                ; preds = %3, %4
  %.0 = phi i32 [ 0, %4 ], [ -1, %3 ]
  ret i32 %.0
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"any pointer", !7, i64 0}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass