; LLVM IR from JayXon/Leanify :: lib/zopflipng/lodepng (lodepng_util)

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

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN7lodepng12getChunkInfoERSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS6_EERS0_ImSaImEERKS0_IhSaIhEE(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull align 8 dereferenceable(24) %2) #1 personality ptr @__gxx_personality_v0 {
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca [5 x i8], align 1
  %11 = alloca %"class.std::__cxx11::basic_string", align 8
  %12 = alloca %"class.std::allocator.0", align 1
  %13 = alloca ptr, align 8
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  %16 = alloca i32, align 4
  %17 = alloca %"class.std::__cxx11::basic_string", align 8
  %18 = alloca %"class.std::allocator.0", align 1
  %19 = alloca i64, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #4
  %20 = load ptr, ptr %7, align 8, !tbaa !5
  %21 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt6vectorIhSaIhEE4backEv(ptr noundef nonnull align 8 dereferenceable(24) %20) #4
  %22 = getelementptr inbounds i8, ptr %21, i64 1
  store ptr %22, ptr %9, align 8, !tbaa !5
  %23 = load ptr, ptr %7, align 8, !tbaa !5
  %24 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt6vectorIhSaIhEE5frontEv(ptr noundef nonnull align 8 dereferenceable(24) %23) #4
  %25 = getelementptr inbounds i8, ptr %24, i64 8
  store ptr %25, ptr %8, align 8, !tbaa !5
  br label %26

26:                                               ; preds = %66, %3
  %27 = load ptr, ptr %8, align 8, !tbaa !5
  %28 = load ptr, ptr %9, align 8, !tbaa !5
  %29 = icmp ult ptr %27, %28
  br i1 %29, label %30, label %37

30:                                               ; preds = %26
  %31 = load ptr, ptr %9, align 8, !tbaa !5
  %32 = load ptr, ptr %8, align 8, !tbaa !5
  %33 = ptrtoint ptr %31 to i64
  %34 = ptrtoint ptr %32 to i64
  %35 = sub i64 %33, %34
  %36 = icmp sge i64 %35, 8
  br label %37

37:                                               ; preds = %30, %26
  %38 = phi i1 [ false, %26 ], [ %36, %30 ]
  br i1 %38, label %39, label %77

39:                                               ; preds = %37
  call void @llvm.lifetime.start.p0(i64 5, ptr %10) #4
  %40 = getelementptr inbounds [5 x i8], ptr %10, i64 0, i64 0
  %41 = load ptr, ptr %8, align 8, !tbaa !5
  call void @_Z18lodepng_chunk_typePcPKh(ptr noundef %40, ptr noundef %41)
  call void @llvm.lifetime.start.p0(i64 32, ptr %11) #4
  %42 = getelementptr inbounds [5 x i8], ptr %10, i64 0, i64 0
  call void @llvm.lifetime.start.p0(i64 1, ptr %12) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %11, ptr noundef %42, ptr noundef nonnull align 1 dereferenceable(1) %12)
          to label %43 unwind label %47

43:                                               ; preds = %39
  %44 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %11) #4
  %45 = icmp ne i64 %44, 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %11) #4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %12) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %11) #4
  br i1 %45, label %46, label %51

46:                                               ; preds = %43
  store i32 1, ptr %4, align 4
  store i32 1, ptr %15, align 4
  br label %64

47:                                               ; preds = %39
  %48 = landingpad { ptr, i32 }
          cleanup
  %49 = extractvalue { ptr, i32 } %48, 0
  store ptr %49, ptr %13, align 8
  %50 = extractvalue { ptr, i32 } %48, 1
  store i32 %50, ptr %14, align 4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %12) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %11) #4
  br label %76

51:                                               ; preds = %43
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #4
  %52 = load ptr, ptr %8, align 8, !tbaa !5
  %53 = call noundef i32 @_Z20lodepng_chunk_lengthPKh(ptr noundef %52)
  store i32 %53, ptr %16, align 4, !tbaa !9
  %54 = load ptr, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 32, ptr %17) #4
  %55 = getelementptr inbounds [5 x i8], ptr %10, i64 0, i64 0
  call void @llvm.lifetime.start.p0(i64 1, ptr %18) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %18) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %17, ptr noundef %55, ptr noundef nonnull align 1 dereferenceable(1) %18)
          to label %56 unwind label %67

56:                                               ; preds = %51
  invoke void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE9push_backEOS5_(ptr noundef nonnull align 8 dereferenceable(24) %54, ptr noundef nonnull align 8 dereferenceable(32) %17)
          to label %57 unwind label %71

57:                                               ; preds = %56
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %17) #4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %18) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %18) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %17) #4
  %58 = load ptr, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %19) #4
  %59 = load i32, ptr %16, align 4, !tbaa !9
  %60 = zext i32 %59 to i64
  store i64 %60, ptr %19, align 8, !tbaa !11
  call void @_ZNSt6vectorImSaImEE9push_backEOm(ptr noundef nonnull align 8 dereferenceable(24) %58, ptr noundef nonnull align 8 dereferenceable(8) %19)
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #4
  %61 = load ptr, ptr %8, align 8, !tbaa !5
  %62 = load ptr, ptr %9, align 8, !tbaa !5
  %63 = call noundef ptr @_Z24lodepng_chunk_next_constPKhS0_(ptr noundef %61, ptr noundef %62)
  store ptr %63, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #4
  store i32 0, ptr %15, align 4
  br label %64

64:                                               ; preds = %57, %46
  call void @llvm.lifetime.end.p0(i64 5, ptr %10) #4
  %65 = load i32, ptr %15, align 4
  switch i32 %65, label %78 [
    i32 0, label %66
  ]

66:                                               ; preds = %64
  br label %26, !llvm.loop !13

67:                                               ; preds = %51
  %68 = landingpad { ptr, i32 }
          cleanup
  %69 = extractvalue { ptr, i32 } %68, 0
  store ptr %69, ptr %13, align 8
  %70 = extractvalue { ptr, i32 } %68, 1
  store i32 %70, ptr %14, align 4
  br label %75

71:                                               ; preds = %56
  %72 = landingpad { ptr, i32 }
          cleanup
  %73 = extractvalue { ptr, i32 } %72, 0
  store ptr %73, ptr %13, align 8
  %74 = extractvalue { ptr, i32 } %72, 1
  store i32 %74, ptr %14, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %17) #4
  br label %75

75:                                               ; preds = %71, %67
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %18) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %18) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %17) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #4
  br label %76

76:                                               ; preds = %75, %47
  call void @llvm.lifetime.end.p0(i64 5, ptr %10) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  br label %80

77:                                               ; preds = %37
  store i32 0, ptr %4, align 4
  store i32 1, ptr %15, align 4
  br label %78

78:                                               ; preds = %77, %64
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  %79 = load i32, ptr %4, align 4
  ret i32 %79

80:                                               ; preds = %76
  %81 = load ptr, ptr %13, align 8
  %82 = load i32, ptr %14, align 4
  %83 = insertvalue { ptr, i32 } poison, ptr %81, 0
  %84 = insertvalue { ptr, i32 } %83, i32 %82, 1
  resume { ptr, i32 } %84
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt6vectorIhSaIhEE4backEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt6vectorIhSaIhEE5frontEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

declare void @_Z18lodepng_chunk_typePcPKh(ptr noundef, ptr noundef) #3

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

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

declare noundef i32 @_Z20lodepng_chunk_lengthPKh(ptr noundef) #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE9push_backEOS5_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorImSaImEE9push_backEOm(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

declare noundef ptr @_Z24lodepng_chunk_next_constPKhS0_(ptr noundef, ptr noundef) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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" }
attributes #2 = { 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 #3 = { "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 }

!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, !12, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


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

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN7lodepng12getChunkInfoERSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS6_EERS0_ImSaImEERKS0_IhSaIhEE(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull align 8 dereferenceable(24) %2) local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %4 = alloca [5 x i8], align 1
  %5 = alloca %"class.std::__cxx11::basic_string", align 8
  %6 = alloca %"class.std::allocator.0", align 1
  %7 = alloca %"class.std::__cxx11::basic_string", align 8
  %8 = alloca %"class.std::allocator.0", align 1
  %9 = alloca i64, align 8
  %10 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt6vectorIhSaIhEE4backEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #4
  %11 = getelementptr inbounds i8, ptr %10, i64 1
  %12 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt6vectorIhSaIhEE5frontEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #4
  %13 = getelementptr inbounds i8, ptr %12, i64 8
  %14 = ptrtoint ptr %11 to i64
  %15 = icmp ult ptr %13, %11
  %16 = ptrtoint ptr %13 to i64
  %17 = sub i64 %14, %16
  %18 = icmp sgt i64 %17, 7
  %19 = select i1 %15, i1 %18, i1 false
  br i1 %19, label %.lr.ph, label %.loopexit

.lr.ph:                                           ; preds = %3, %27
  %.02127 = phi ptr [ %29, %27 ], [ %13, %3 ]
  call void @llvm.lifetime.start.p0(i64 5, ptr nonnull %4) #4
  call void @_Z18lodepng_chunk_typePcPKh(ptr noundef nonnull %4, ptr noundef %.02127)
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %5) #4
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %6) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %5, ptr noundef nonnull %4, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %20 unwind label %22

20:                                               ; preds = %.lr.ph
  %21 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %5) #4
  %.not = icmp eq i64 %21, 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #4
  br i1 %.not, label %24, label %.thread

.thread:                                          ; preds = %20
  call void @llvm.lifetime.end.p0(i64 5, ptr nonnull %4) #4
  br label %.loopexit

22:                                               ; preds = %.lr.ph
  %23 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #4
  br label %40

24:                                               ; preds = %20
  %25 = call noundef i32 @_Z20lodepng_chunk_lengthPKh(ptr noundef %.02127)
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %7) #4
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %8) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %7, ptr noundef nonnull %4, ptr noundef nonnull align 1 dereferenceable(1) %8)
          to label %26 unwind label %35

26:                                               ; preds = %24
  invoke void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE9push_backEOS5_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(32) %7)
          to label %27 unwind label %37

27:                                               ; preds = %26
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %8) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %7) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #4
  %28 = zext i32 %25 to i64
  store i64 %28, ptr %9, align 8, !tbaa !5
  call void @_ZNSt6vectorImSaImEE9push_backEOm(ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull align 8 dereferenceable(8) %9)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #4
  %29 = call noundef ptr @_Z24lodepng_chunk_next_constPKhS0_(ptr noundef %.02127, ptr noundef nonnull %11)
  call void @llvm.lifetime.end.p0(i64 5, ptr nonnull %4) #4
  %30 = icmp ult ptr %29, %11
  %31 = ptrtoint ptr %29 to i64
  %32 = sub i64 %14, %31
  %33 = icmp sgt i64 %32, 7
  %34 = select i1 %30, i1 %33, i1 false
  br i1 %34, label %.lr.ph, label %.loopexit, !llvm.loop !9

35:                                               ; preds = %24
  %36 = landingpad { ptr, i32 }
          cleanup
  br label %39

37:                                               ; preds = %26
  %38 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #4
  br label %39

39:                                               ; preds = %37, %35
  %.pn = phi { ptr, i32 } [ %38, %37 ], [ %36, %35 ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %8) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %7) #4
  br label %40

40:                                               ; preds = %39, %22
  %.pn.pn = phi { ptr, i32 } [ %.pn, %39 ], [ %23, %22 ]
  call void @llvm.lifetime.end.p0(i64 5, ptr nonnull %4) #4
  resume { ptr, i32 } %.pn.pn

.loopexit:                                        ; preds = %27, %3, %.thread
  %.2 = phi i32 [ 1, %.thread ], [ 0, %3 ], [ 0, %27 ]
  ret i32 %.2
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt6vectorIhSaIhEE4backEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt6vectorIhSaIhEE5frontEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

declare void @_Z18lodepng_chunk_typePcPKh(ptr noundef, ptr noundef) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

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

declare noundef i32 @_Z20lodepng_chunk_lengthPKh(ptr noundef) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE9push_backEOS5_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorImSaImEE9push_backEOm(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

declare noundef ptr @_Z24lodepng_chunk_next_constPKhS0_(ptr noundef, ptr noundef) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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" }
attributes #2 = { 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 #3 = { "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 }

!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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass