; LLVM IR from PaddlePaddle/FastDeploy :: fastdeploy/encryption/util/src (system_utils)

; 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::fpos" = type { i64, %struct.__mbstate_t }
%struct.__mbstate_t = type { i32, %union.anon.0 }
%union.anon.0 = type { i32 }
%"class.std::istreambuf_iterator" = type <{ ptr, i32, [4 x i8] }>
%"class.std::back_insert_iterator" = type { ptr }

@.str.4 = external hidden unnamed_addr constant [44 x i8], align 1
@__FUNCTION__._ZN10fastdeploy4util11SystemUtils15check_key_matchEPKcS3_ = external hidden unnamed_addr constant [16 x i8], align 1

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

declare void @_ZN10fastdeploy4util6crypto11SHA256Utils13sha256_stringERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32)) #2

declare i32 @printf(ptr noundef, ...) #2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN10fastdeploy4util11SystemUtils15check_key_matchERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERSi(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(16) %1) #3 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca %"class.std::__cxx11::basic_string", align 8
  %7 = alloca i32, align 4
  %8 = alloca %"class.std::__cxx11::basic_string", align 8
  %9 = alloca %"class.std::fpos", align 8
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  %12 = alloca %"class.std::istreambuf_iterator", align 8
  %13 = alloca %"class.std::back_insert_iterator", align 8
  %14 = alloca %"class.std::back_insert_iterator", align 8
  %15 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  %16 = load ptr, ptr %5, align 8, !tbaa !5
  %17 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi5seekgElSt12_Ios_Seekdir(ptr noundef nonnull align 8 dereferenceable(16) %16, i64 noundef 0, i32 noundef 0)
  call void @llvm.lifetime.start.p0(i64 32, ptr %6) #6
  %18 = load ptr, ptr %4, align 8, !tbaa !5
  call void @_ZN10fastdeploy4util6crypto11SHA256Utils13sha256_stringERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %6, ptr noundef nonnull align 8 dereferenceable(32) %18)
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  store i32 64, ptr %7, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 32, ptr %8) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #6
  %19 = load ptr, ptr %5, align 8, !tbaa !5
  invoke void @_ZNSt4fposI11__mbstate_tEC2El(ptr noundef nonnull align 8 dereferenceable(16) %9, i64 noundef 7)
          to label %20 unwind label %48

20:                                               ; preds = %2
  %21 = getelementptr inbounds { i64, i64 }, ptr %9, i32 0, i32 0
  %22 = load i64, ptr %21, align 8
  %23 = getelementptr inbounds { i64, i64 }, ptr %9, i32 0, i32 1
  %24 = load i64, ptr %23, align 8
  %25 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi5seekgESt4fposI11__mbstate_tE(ptr noundef nonnull align 8 dereferenceable(16) %19, i64 %22, i64 %24)
          to label %26 unwind label %48

26:                                               ; preds = %20
  %27 = load ptr, ptr %5, align 8, !tbaa !5
  call void @_ZNSt19istreambuf_iteratorIcSt11char_traitsIcEEC2ERSi(ptr noundef nonnull align 8 dereferenceable(12) %12, ptr noundef nonnull align 8 dereferenceable(16) %27) #6
  %28 = load i32, ptr %7, align 4, !tbaa !9
  %29 = invoke ptr @_ZSt13back_inserterINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESt20back_insert_iteratorIT_ERS7_(ptr noundef nonnull align 8 dereferenceable(32) %8)
          to label %30 unwind label %48

30:                                               ; preds = %26
  %31 = getelementptr inbounds %"class.std::back_insert_iterator", ptr %13, i32 0, i32 0
  store ptr %29, ptr %31, align 8
  %32 = getelementptr inbounds { ptr, i32 }, ptr %12, i32 0, i32 0
  %33 = load ptr, ptr %32, align 8
  %34 = getelementptr inbounds { ptr, i32 }, ptr %12, i32 0, i32 1
  %35 = load i32, ptr %34, align 8
  %36 = getelementptr inbounds %"class.std::back_insert_iterator", ptr %13, i32 0, i32 0
  %37 = load ptr, ptr %36, align 8
  %38 = invoke ptr @_ZSt6copy_nISt19istreambuf_iteratorIcSt11char_traitsIcEEiSt20back_insert_iteratorINSt7__cxx1112basic_stringIcS2_SaIcEEEEET1_T_T0_SA_(ptr %33, i32 %35, i32 noundef %28, ptr %37)
          to label %39 unwind label %48

39:                                               ; preds = %30
  %40 = getelementptr inbounds %"class.std::back_insert_iterator", ptr %14, i32 0, i32 0
  store ptr %38, ptr %40, align 8
  %41 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %8) #6
  %42 = load i32, ptr %7, align 4, !tbaa !9
  %43 = sext i32 %42 to i64
  %44 = icmp ne i64 %41, %43
  br i1 %44, label %45, label %52

45:                                               ; preds = %39
  %46 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.4, ptr noundef @__FUNCTION__._ZN10fastdeploy4util11SystemUtils15check_key_matchEPKcS3_, i32 noundef 81)
          to label %47 unwind label %48

47:                                               ; preds = %45
  store i32 100, ptr %3, align 4
  store i32 1, ptr %15, align 4
  br label %56

48:                                               ; preds = %45, %30, %26, %20, %2
  %49 = landingpad { ptr, i32 }
          cleanup
  %50 = extractvalue { ptr, i32 } %49, 0
  store ptr %50, ptr %10, align 8
  %51 = extractvalue { ptr, i32 } %49, 1
  store i32 %51, ptr %11, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %6) #6
  br label %58

52:                                               ; preds = %39
  %53 = call noundef zeroext i1 @_ZSteqIcEN9__gnu_cxx11__enable_ifIXsr9__is_charIT_EE7__valueEbE6__typeERKNSt7__cxx1112basic_stringIS2_St11char_traitsIS2_ESaIS2_EEESC_(ptr noundef nonnull align 8 dereferenceable(32) %8, ptr noundef nonnull align 8 dereferenceable(32) %6) #6
  br i1 %53, label %54, label %55

54:                                               ; preds = %52
  store i32 0, ptr %3, align 4
  store i32 1, ptr %15, align 4
  br label %56

55:                                               ; preds = %52
  store i32 104, ptr %3, align 4
  store i32 1, ptr %15, align 4
  br label %56

56:                                               ; preds = %55, %54, %47
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %6) #6
  %57 = load i32, ptr %3, align 4
  ret i32 %57

58:                                               ; preds = %48
  %59 = load ptr, ptr %10, align 8
  %60 = load i32, ptr %11, align 4
  %61 = insertvalue { ptr, i32 } poison, ptr %59, 0
  %62 = insertvalue { ptr, i32 } %61, i32 %60, 1
  resume { ptr, i32 } %62
}

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi5seekgElSt12_Ios_Seekdir(ptr noundef nonnull align 8 dereferenceable(16), i64 noundef, i32 noundef) #2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi5seekgESt4fposI11__mbstate_tE(ptr noundef nonnull align 8 dereferenceable(16), i64, i64) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4fposI11__mbstate_tEC2El(ptr noundef nonnull align 8 dereferenceable(16), i64 noundef) unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local ptr @_ZSt6copy_nISt19istreambuf_iteratorIcSt11char_traitsIcEEiSt20back_insert_iteratorINSt7__cxx1112basic_stringIcS2_SaIcEEEEET1_T_T0_SA_(ptr, i32, i32 noundef, ptr) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt19istreambuf_iteratorIcSt11char_traitsIcEEC2ERSi(ptr noundef nonnull align 8 dereferenceable(12), ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local ptr @_ZSt13back_inserterINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESt20back_insert_iteratorIT_ERS7_(ptr noundef nonnull align 8 dereferenceable(32)) #4

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZSteqIcEN9__gnu_cxx11__enable_ifIXsr9__is_charIT_EE7__valueEbE6__typeERKNSt7__cxx1112basic_stringIS2_St11char_traitsIS2_ESaIS2_EEESC_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) #5

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { "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 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 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 = { 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 #6 = { 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}


; 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::fpos" = type { i64, %struct.__mbstate_t }
%struct.__mbstate_t = type { i32, %union.anon.0 }
%union.anon.0 = type { i32 }
%"class.std::istreambuf_iterator" = type <{ ptr, i32, [4 x i8] }>

@.str.4 = external hidden unnamed_addr constant [44 x i8], align 1
@__FUNCTION__._ZN10fastdeploy4util11SystemUtils15check_key_matchEPKcS3_ = external hidden unnamed_addr constant [16 x i8], align 1

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

declare void @_ZN10fastdeploy4util6crypto11SHA256Utils13sha256_stringERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
define dso_local noundef range(i32 0, 105) i32 @_ZN10fastdeploy4util11SystemUtils15check_key_matchERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERSi(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(16) %1) local_unnamed_addr #4 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 = alloca %"class.std::fpos", align 8
  %6 = alloca %"class.std::istreambuf_iterator", align 8
  %7 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi5seekgElSt12_Ios_Seekdir(ptr noundef nonnull align 8 dereferenceable(16) %1, i64 noundef 0, i32 noundef 0)
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #7
  call void @_ZN10fastdeploy4util6crypto11SHA256Utils13sha256_stringERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %3, ptr noundef nonnull align 8 dereferenceable(32) %0)
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %4) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #7
  call void @_ZNSt4fposI11__mbstate_tEC2El(ptr noundef nonnull align 8 dereferenceable(16) %5, i64 noundef 7)
  %8 = load i64, ptr %5, align 8
  %9 = getelementptr inbounds i8, ptr %5, i64 8
  %10 = load i64, ptr %9, align 8
  %11 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi5seekgESt4fposI11__mbstate_tE(ptr noundef nonnull align 8 dereferenceable(16) %1, i64 %8, i64 %10)
          to label %12 unwind label %23

12:                                               ; preds = %2
  call void @_ZNSt19istreambuf_iteratorIcSt11char_traitsIcEEC2ERSi(ptr noundef nonnull align 8 dereferenceable(12) %6, ptr noundef nonnull align 8 dereferenceable(16) %1) #7
  %13 = invoke ptr @_ZSt13back_inserterINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESt20back_insert_iteratorIT_ERS7_(ptr noundef nonnull align 8 dereferenceable(32) %4)
          to label %14 unwind label %23

14:                                               ; preds = %12
  %15 = load ptr, ptr %6, align 8
  %16 = getelementptr inbounds i8, ptr %6, i64 8
  %17 = load i32, ptr %16, align 8
  %18 = invoke ptr @_ZSt6copy_nISt19istreambuf_iteratorIcSt11char_traitsIcEEiSt20back_insert_iteratorINSt7__cxx1112basic_stringIcS2_SaIcEEEEET1_T_T0_SA_(ptr %15, i32 %17, i32 noundef 64, ptr %13)
          to label %19 unwind label %23

19:                                               ; preds = %14
  %20 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %4) #7
  %.not = icmp eq i64 %20, 64
  br i1 %.not, label %25, label %21

21:                                               ; preds = %19
  %22 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.4, ptr noundef nonnull @__FUNCTION__._ZN10fastdeploy4util11SystemUtils15check_key_matchEPKcS3_, i32 noundef 81)
  br label %27

23:                                               ; preds = %14, %12, %2
  %24 = 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 @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #7
  resume { ptr, i32 } %24

25:                                               ; preds = %19
  %26 = call noundef zeroext i1 @_ZSteqIcEN9__gnu_cxx11__enable_ifIXsr9__is_charIT_EE7__valueEbE6__typeERKNSt7__cxx1112basic_stringIS2_St11char_traitsIS2_ESaIS2_EEESC_(ptr noundef nonnull align 8 dereferenceable(32) %4, ptr noundef nonnull align 8 dereferenceable(32) %3) #7
  %. = select i1 %26, i32 0, i32 104
  br label %27

27:                                               ; preds = %25, %21
  %.0 = phi i32 [ 100, %21 ], [ %., %25 ]
  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 @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #7
  ret i32 %.0
}

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi5seekgElSt12_Ios_Seekdir(ptr noundef nonnull align 8 dereferenceable(16), i64 noundef, i32 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi5seekgESt4fposI11__mbstate_tE(ptr noundef nonnull align 8 dereferenceable(16), i64, i64) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4fposI11__mbstate_tEC2El(ptr noundef nonnull align 8 dereferenceable(16), i64 noundef) unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local ptr @_ZSt6copy_nISt19istreambuf_iteratorIcSt11char_traitsIcEEiSt20back_insert_iteratorINSt7__cxx1112basic_stringIcS2_SaIcEEEEET1_T_T0_SA_(ptr, i32, i32 noundef, ptr) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt19istreambuf_iteratorIcSt11char_traitsIcEEC2ERSi(ptr noundef nonnull align 8 dereferenceable(12), ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local ptr @_ZSt13back_inserterINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESt20back_insert_iteratorIT_ERS7_(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZSteqIcEN9__gnu_cxx11__enable_ifIXsr9__is_charIT_EE7__valueEbE6__typeERKNSt7__cxx1112basic_stringIS2_St11char_traitsIS2_ESaIS2_EEESC_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #6

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { "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 = { nofree 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 #4 = { 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 #5 = { 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 #6 = { 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 #7 = { 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)"}


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