; LLVM IR from chensoft/libsocket :: src/ip/ip_version.ll (ZNK4chen11ip_version47maxhostEv)

; 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"

%"class.chen::ip_version4" = type { %"class.chen::ip_version", i32 }
%"class.chen::ip_version" = type { i8 }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK4chen11ip_version48wildcardEv(ptr noundef nonnull align 4 dereferenceable(8)) #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local i64 @_ZNK4chen11ip_version47maxhostEv(ptr noundef nonnull align 4 dereferenceable(8) %0) #1 align 2 {
  %2 = alloca %"class.chen::ip_version4", align 4
  %3 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  %4 = load ptr, ptr %3, align 8
  %5 = getelementptr inbounds %"class.chen::ip_version4", ptr %4, i32 0, i32 1
  %6 = load i32, ptr %5, align 4, !tbaa !9
  %7 = call noundef i32 @_ZNK4chen11ip_version48wildcardEv(ptr noundef nonnull align 4 dereferenceable(8) %4)
  %8 = or i32 %6, %7
  %9 = and i32 %8, -2
  %10 = getelementptr inbounds %"class.chen::ip_version", ptr %4, i32 0, i32 0
  %11 = load i8, ptr %10, align 4, !tbaa !13
  call void @_ZN4chen11ip_version4C1Ejh(ptr noundef nonnull align 4 dereferenceable(8) %2, i32 noundef %9, i8 noundef zeroext %11)
  %12 = load i64, ptr %2, align 4
  ret i64 %12
}

declare void @_ZN4chen11ip_version4C1Ejh(ptr, i32, i8)

attributes #0 = { mustprogress 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 = { mustprogress 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !12, i64 4}
!10 = !{!"_ZTSN4chen11ip_version4E", !11, i64 0, !12, i64 4}
!11 = !{!"_ZTSN4chen10ip_versionE", !7, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!11, !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"

%"class.chen::ip_version4" = type { %"class.chen::ip_version", i32 }
%"class.chen::ip_version" = type { i8 }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK4chen11ip_version48wildcardEv(ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local i64 @_ZNK4chen11ip_version47maxhostEv(ptr noundef nonnull align 4 dereferenceable(8) %0) local_unnamed_addr #1 align 2 {
  %2 = alloca %"class.chen::ip_version4", align 8
  %3 = getelementptr inbounds i8, ptr %0, i64 4
  %4 = load i32, ptr %3, align 4, !tbaa !5
  %5 = tail call noundef i32 @_ZNK4chen11ip_version48wildcardEv(ptr noundef nonnull align 4 dereferenceable(8) %0)
  %6 = or i32 %5, %4
  %7 = and i32 %6, -2
  %8 = load i8, ptr %0, align 4, !tbaa !11
  call void @_ZN4chen11ip_version4C1Ejh(ptr noundef nonnull align 4 dereferenceable(8) %2, i32 noundef %7, i8 noundef zeroext %8)
  %9 = load i64, ptr %2, align 8
  ret i64 %9
}

declare void @_ZN4chen11ip_version4C1Ejh(ptr, i32, i8) local_unnamed_addr

attributes #0 = { mustprogress 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 = { mustprogress 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, !10, i64 4}
!6 = !{!"_ZTSN4chen11ip_version4E", !7, i64 0, !10, i64 4}
!7 = !{!"_ZTSN4chen10ip_versionE", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!7, !8, i64 0}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferAlignmentPass,InstCombinePass,ReassociatePass,SROAPass,TailCallElimPass