; LLVM IR from pixelsdb/mini-pixels :: pixels-core/lib/encoding/EncodingLevel.ll (ZN13EncodingLevelC2Ei)

; 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.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon.0 }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon.0 = type { i64, [8 x i8] }
%class.EncodingLevel = type { i32 }

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

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN13EncodingLevelC2Ei(ptr noundef nonnull align 4 dereferenceable(4) %0, i32 noundef %1) unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca %"class.std::__cxx11::basic_string", align 8
  %6 = alloca %"class.std::__cxx11::basic_string", align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca i1, align 1
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  %10 = load ptr, ptr %3, align 8
  %11 = load i32, ptr %4, align 4, !tbaa !9
  %12 = call noundef zeroext i1 @_ZN13EncodingLevel7isValidEi(i32 noundef %11)
  br i1 %12, label %30, label %13

13:                                               ; preds = %2
  store i1 true, ptr %9, align 1
  %14 = call ptr @__cxa_allocate_exception(i64 16) #7
  call void @llvm.lifetime.start.p0(i64 32, ptr %5) #7
  call void @llvm.lifetime.start.p0(i64 32, ptr %6) #7
  %15 = load i32, ptr %4, align 4, !tbaa !9
  call void @_ZNSt7__cxx119to_stringEi(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %6, i32 noundef %15) #7
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_OS8_(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %5, ptr noundef @.str, ptr noundef nonnull align 8 dereferenceable(32) %6)
          to label %16 unwind label %18

16:                                               ; preds = %13
  invoke void @_ZNSt16invalid_argumentC1ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(16) %14, ptr noundef nonnull align 8 dereferenceable(32) %5)
          to label %17 unwind label %22

17:                                               ; preds = %16
  store i1 false, ptr %9, align 1
  invoke void @__cxa_throw(ptr %14, ptr @_ZTISt16invalid_argument, ptr @_ZNSt16invalid_argumentD1Ev) #8
          to label %38 unwind label %22

18:                                               ; preds = %13
  %19 = landingpad { ptr, i32 }
          cleanup
  %20 = extractvalue { ptr, i32 } %19, 0
  store ptr %20, ptr %7, align 8
  %21 = extractvalue { ptr, i32 } %19, 1
  store i32 %21, ptr %8, align 4
  br label %26

22:                                               ; preds = %17, %16
  %23 = landingpad { ptr, i32 }
          cleanup
  %24 = extractvalue { ptr, i32 } %23, 0
  store ptr %24, ptr %7, align 8
  %25 = extractvalue { ptr, i32 } %23, 1
  store i32 %25, ptr %8, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #7
  br label %26

26:                                               ; preds = %22, %18
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %6) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %5) #7
  %27 = load i1, ptr %9, align 1
  br i1 %27, label %28, label %29

28:                                               ; preds = %26
  call void @__cxa_free_exception(ptr %14) #7
  br label %29

29:                                               ; preds = %28, %26
  br label %33

30:                                               ; preds = %2
  %31 = load i32, ptr %4, align 4, !tbaa !9
  %32 = getelementptr inbounds %class.EncodingLevel, ptr %10, i32 0, i32 0
  store i32 %31, ptr %32, align 4, !tbaa !11
  ret void

33:                                               ; preds = %29
  %34 = load ptr, ptr %7, align 8
  %35 = load i32, ptr %8, align 4
  %36 = insertvalue { ptr, i32 } poison, ptr %34, 0
  %37 = insertvalue { ptr, i32 } %36, i32 %35, 1
  resume { ptr, i32 } %37

38:                                               ; preds = %17
  unreachable
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN13EncodingLevel7isValidEi(i32 noundef) #1 align 2

declare ptr @__cxa_allocate_exception(i64)

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

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_OS8_(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef, ptr noundef nonnull align 8 dereferenceable(32)) #3

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt7__cxx119to_stringEi(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, i32 noundef) #4

declare i32 @__gxx_personality_v0(...)

declare void @_ZNSt16invalid_argumentC1ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #5

; Function Attrs: nounwind
declare void @_ZNSt16invalid_argumentD1Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #6

declare void @__cxa_throw(ptr, ptr, ptr)

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

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

declare void @__cxa_free_exception(ptr)

attributes #0 = { 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 #1 = { 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 #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { inlinehint 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 = { inlinehint 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 = { "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 #6 = { 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 #7 = { nounwind }
attributes #8 = { 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 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !13, i64 0}
!12 = !{!"_ZTS13EncodingLevel", !13, i64 0}
!13 = !{!"_ZTSN13EncodingLevel5LevelE", !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.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon.0 }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon.0 = type { i64, [8 x i8] }

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

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN13EncodingLevelC2Ei(ptr nocapture noundef nonnull writeonly align 4 dereferenceable(4) %0, i32 noundef %1) unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca %"class.std::__cxx11::basic_string", align 8
  %5 = tail call noundef zeroext i1 @_ZN13EncodingLevel7isValidEi(i32 noundef %1)
  br i1 %5, label %14, label %6

6:                                                ; preds = %2
  %7 = tail call ptr @__cxa_allocate_exception(i64 16) #7
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #7
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %4) #7
  call void @_ZNSt7__cxx119to_stringEi(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %4, i32 noundef %1) #7
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_OS8_(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %3, ptr noundef nonnull @.str, ptr noundef nonnull align 8 dereferenceable(32) %4)
          to label %8 unwind label %.thread

8:                                                ; preds = %6
  invoke void @_ZNSt16invalid_argumentC1ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(16) %7, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %9 unwind label %11

9:                                                ; preds = %8
  invoke void @__cxa_throw(ptr nonnull %7, ptr nonnull @_ZTISt16invalid_argument, ptr nonnull @_ZNSt16invalid_argumentD1Ev) #8
          to label %16 unwind label %11

.thread:                                          ; preds = %6
  %10 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #7
  br label %13

11:                                               ; preds = %8, %9
  %.0 = phi i1 [ false, %9 ], [ true, %8 ]
  %12 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #7
  br i1 %.0, label %13, label %15

13:                                               ; preds = %.thread, %11
  %.pn12 = phi { ptr, i32 } [ %10, %.thread ], [ %12, %11 ]
  call void @__cxa_free_exception(ptr %7) #7
  br label %15

14:                                               ; preds = %2
  store i32 %1, ptr %0, align 4, !tbaa !5
  ret void

15:                                               ; preds = %11, %13
  %.pn11 = phi { ptr, i32 } [ %12, %11 ], [ %.pn12, %13 ]
  resume { ptr, i32 } %.pn11

16:                                               ; preds = %9
  unreachable
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN13EncodingLevel7isValidEi(i32 noundef) local_unnamed_addr #1 align 2

declare ptr @__cxa_allocate_exception(i64) local_unnamed_addr

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

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_OS8_(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef, ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #3

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt7__cxx119to_stringEi(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, i32 noundef) local_unnamed_addr #4

declare i32 @__gxx_personality_v0(...)

declare void @_ZNSt16invalid_argumentC1ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #5

; Function Attrs: nounwind
declare void @_ZNSt16invalid_argumentD1Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #6

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

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

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

declare void @__cxa_free_exception(ptr) local_unnamed_addr

attributes #0 = { 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 #1 = { 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 #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { inlinehint 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 = { inlinehint 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 = { "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 #6 = { 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 #7 = { nounwind }
attributes #8 = { 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, !7, i64 0}
!6 = !{!"_ZTS13EncodingLevel", !7, i64 0}
!7 = !{!"_ZTSN13EncodingLevel5LevelE", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}


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