; LLVM IR from rweather/lightweight-crypto :: src/genavr/code.ll (ZNK4Code8getLabelEh)

; 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.Code = type { %"class.std::vector.0", %"class.std::vector.5", %"class.std::vector", i32, i32, i32, i32, [16 x i8], i32, i32, i32, %"class.std::__cxx11::basic_string", %"class.std::map" }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<Insn, std::allocator<Insn>>::_Vector_impl" }
%"struct.std::_Vector_base<Insn, std::allocator<Insn>>::_Vector_impl" = type { %"struct.std::_Vector_base<Insn, std::allocator<Insn>>::_Vector_impl_data" }
%"struct.std::_Vector_base<Insn, std::allocator<Insn>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.5" = type { %"struct.std::_Vector_base.6" }
%"struct.std::_Vector_base.6" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<unsigned char, std::allocator<unsigned char>>::_Vector_impl" }
%"struct.std::_Vector_base<unsigned char, std::allocator<unsigned char>>::_Vector_impl" = type { %"struct.std::_Vector_base<unsigned char, std::allocator<unsigned char>>::_Vector_impl_data" }
%"struct.std::_Vector_base<unsigned char, std::allocator<unsigned char>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon.13 }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon.13 = type { i64, [8 x i8] }
%"class.std::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<unsigned char, std::pair<const unsigned char, Sbox>, std::_Select1st<std::pair<const unsigned char, Sbox>>, std::less<unsigned char>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<unsigned char, std::pair<const unsigned char, Sbox>, std::_Select1st<std::pair<const unsigned char, Sbox>>, std::less<unsigned char>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }

@_ZTISt16invalid_argument = external constant ptr
@.str.10 = external hidden unnamed_addr constant [24 x i8], align 1
@.str.11 = external hidden unnamed_addr constant [17 x i8], align 1

declare ptr @__cxa_allocate_exception(i64)

declare void @_ZNSt16invalid_argumentC1EPKc(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef) unnamed_addr #0

declare i32 @__gxx_personality_v0(...)

declare void @__cxa_free_exception(ptr)

; Function Attrs: nounwind
declare void @_ZNSt16invalid_argumentD1Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #1

declare void @__cxa_throw(ptr, ptr, ptr)

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZNK4Code8getLabelEh(ptr noundef nonnull align 8 dereferenceable(200) %0, i8 noundef zeroext %1) #3 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca i8, align 1
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i8 %1, ptr %4, align 1, !tbaa !9
  %8 = load ptr, ptr %3, align 8
  %9 = load i8, ptr %4, align 1, !tbaa !9
  %10 = zext i8 %9 to i32
  %11 = icmp slt i32 %10, 1
  br i1 %11, label %18, label %12

12:                                               ; preds = %2
  %13 = load i8, ptr %4, align 1, !tbaa !9
  %14 = zext i8 %13 to i64
  %15 = getelementptr inbounds %class.Code, ptr %8, i32 0, i32 1
  %16 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %15) #5
  %17 = icmp ugt i64 %14, %16
  br i1 %17, label %18, label %25

18:                                               ; preds = %12, %2
  %19 = call ptr @__cxa_allocate_exception(i64 16) #5
  invoke void @_ZNSt16invalid_argumentC1EPKc(ptr noundef nonnull align 8 dereferenceable(16) %19, ptr noundef @.str.10)
          to label %20 unwind label %21

20:                                               ; preds = %18
  call void @__cxa_throw(ptr %19, ptr @_ZTISt16invalid_argument, ptr @_ZNSt16invalid_argumentD1Ev) #6
  unreachable

21:                                               ; preds = %18
  %22 = landingpad { ptr, i32 }
          cleanup
  %23 = extractvalue { ptr, i32 } %22, 0
  store ptr %23, ptr %5, align 8
  %24 = extractvalue { ptr, i32 } %22, 1
  store i32 %24, ptr %6, align 4
  call void @__cxa_free_exception(ptr %19) #5
  br label %44

25:                                               ; preds = %12
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #5
  %26 = getelementptr inbounds %class.Code, ptr %8, i32 0, i32 1
  %27 = load i8, ptr %4, align 1, !tbaa !9
  %28 = zext i8 %27 to i32
  %29 = sub nsw i32 %28, 1
  %30 = sext i32 %29 to i64
  %31 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %26, i64 noundef %30) #5
  %32 = load i32, ptr %31, align 4, !tbaa !10
  store i32 %32, ptr %7, align 4, !tbaa !10
  %33 = load i32, ptr %7, align 4, !tbaa !10
  %34 = icmp slt i32 %33, 0
  br i1 %34, label %35, label %42

35:                                               ; preds = %25
  %36 = call ptr @__cxa_allocate_exception(i64 16) #5
  invoke void @_ZNSt16invalid_argumentC1EPKc(ptr noundef nonnull align 8 dereferenceable(16) %36, ptr noundef @.str.11)
          to label %37 unwind label %38

37:                                               ; preds = %35
  call void @__cxa_throw(ptr %36, ptr @_ZTISt16invalid_argument, ptr @_ZNSt16invalid_argumentD1Ev) #6
  unreachable

38:                                               ; preds = %35
  %39 = landingpad { ptr, i32 }
          cleanup
  %40 = extractvalue { ptr, i32 } %39, 0
  store ptr %40, ptr %5, align 8
  %41 = extractvalue { ptr, i32 } %39, 1
  store i32 %41, ptr %6, align 4
  call void @__cxa_free_exception(ptr %36) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  br label %44

42:                                               ; preds = %25
  %43 = load i32, ptr %7, align 4, !tbaa !10
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  ret i32 %43

44:                                               ; preds = %38, %21
  %45 = load ptr, ptr %5, align 8
  %46 = load i32, ptr %6, align 4
  %47 = insertvalue { ptr, i32 } poison, ptr %45, 0
  %48 = insertvalue { ptr, i32 } %47, i32 %46, 1
  resume { ptr, i32 } %48
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #4 align 2

attributes #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 = { nounwind "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 #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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" }
attributes #4 = { 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 #5 = { nounwind }
attributes #6 = { noreturn }

!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 = !{!7, !7, i64 0}
!10 = !{!11, !11, i64 0}
!11 = !{!"int", !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"

@_ZTISt16invalid_argument = external constant ptr
@.str.10 = external hidden unnamed_addr constant [24 x i8], align 1
@.str.11 = external hidden unnamed_addr constant [17 x i8], align 1

declare ptr @__cxa_allocate_exception(i64) local_unnamed_addr

declare void @_ZNSt16invalid_argumentC1EPKc(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef) unnamed_addr #0

declare i32 @__gxx_personality_v0(...)

declare void @__cxa_free_exception(ptr) local_unnamed_addr

; Function Attrs: nounwind
declare void @_ZNSt16invalid_argumentD1Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #1

declare void @__cxa_throw(ptr, ptr, ptr) local_unnamed_addr

; Function Attrs: mustprogress uwtable
define dso_local noundef range(i32 0, -2147483648) i32 @_ZNK4Code8getLabelEh(ptr noundef nonnull align 8 dereferenceable(200) %0, i8 noundef zeroext %1) local_unnamed_addr #2 align 2 personality ptr @__gxx_personality_v0 {
  %3 = zext i8 %1 to i64
  %4 = icmp eq i8 %1, 0
  br i1 %4, label %9, label %5

5:                                                ; preds = %2
  %6 = getelementptr inbounds i8, ptr %0, i64 24
  %7 = tail call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #4
  %8 = icmp ult i64 %7, %3
  br i1 %8, label %9, label %14

9:                                                ; preds = %5, %2
  %10 = tail call ptr @__cxa_allocate_exception(i64 16) #4
  invoke void @_ZNSt16invalid_argumentC1EPKc(ptr noundef nonnull align 8 dereferenceable(16) %10, ptr noundef nonnull @.str.10)
          to label %11 unwind label %12

11:                                               ; preds = %9
  tail call void @__cxa_throw(ptr nonnull %10, ptr nonnull @_ZTISt16invalid_argument, ptr nonnull @_ZNSt16invalid_argumentD1Ev) #5
  unreachable

12:                                               ; preds = %9
  %13 = landingpad { ptr, i32 }
          cleanup
  br label %26

14:                                               ; preds = %5
  %15 = add nuw nsw i64 %3, 4294967295
  %16 = and i64 %15, 4294967295
  %17 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %16) #4
  %18 = load i32, ptr %17, align 4, !tbaa !5
  %19 = icmp slt i32 %18, 0
  br i1 %19, label %20, label %25

20:                                               ; preds = %14
  %21 = tail call ptr @__cxa_allocate_exception(i64 16) #4
  invoke void @_ZNSt16invalid_argumentC1EPKc(ptr noundef nonnull align 8 dereferenceable(16) %21, ptr noundef nonnull @.str.11)
          to label %22 unwind label %23

22:                                               ; preds = %20
  tail call void @__cxa_throw(ptr nonnull %21, ptr nonnull @_ZTISt16invalid_argument, ptr nonnull @_ZNSt16invalid_argumentD1Ev) #5
  unreachable

23:                                               ; preds = %20
  %24 = landingpad { ptr, i32 }
          cleanup
  br label %26

25:                                               ; preds = %14
  ret i32 %18

26:                                               ; preds = %23, %12
  %.sink = phi ptr [ %21, %23 ], [ %10, %12 ]
  %.pn = phi { ptr, i32 } [ %24, %23 ], [ %13, %12 ]
  tail call void @__cxa_free_exception(ptr %.sink) #4
  resume { ptr, i32 } %.pn
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #3 align 2

attributes #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 = { nounwind "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 #2 = { 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" }
attributes #3 = { 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 #4 = { nounwind }
attributes #5 = { noreturn }

!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++ TBAA"}


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