; LLVM IR from HarshCasper/NeoAlgo :: C-Plus-Plus/other/Longest_Consecutive_Subsequence.ll (Z5solvev)

; 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::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_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 }
%"struct.std::pair" = type <{ %"struct.std::_Rb_tree_const_iterator", i8, [7 x i8] }>
%"struct.std::_Rb_tree_const_iterator" = type { ptr }

@_ZSt3cin = external global %"class.std::basic_istream", align 8

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z5solvev() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca ptr, align 8
  %3 = alloca i64, align 8
  %4 = alloca i32, align 4
  %5 = alloca %"class.std::set", align 8
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca %"struct.std::pair", align 8
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %13 = alloca i32, align 4
  %14 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %15 = alloca i32, align 4
  %16 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %17 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %18 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %1) #6
  %19 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %20 = load i32, ptr %1, align 4, !tbaa !5
  %21 = zext i32 %20 to i64
  %22 = call ptr @llvm.stacksave.p0()
  store ptr %22, ptr %2, align 8
  %23 = alloca i32, i64 %21, align 16
  store i64 %21, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #6
  store i32 0, ptr %4, align 4, !tbaa !5
  br label %24

24:                                               ; preds = %34, %0
  %25 = load i32, ptr %4, align 4, !tbaa !5
  %26 = load i32, ptr %1, align 4, !tbaa !5
  %27 = icmp slt i32 %25, %26
  br i1 %27, label %29, label %28

28:                                               ; preds = %24
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  br label %37

29:                                               ; preds = %24
  %30 = load i32, ptr %4, align 4, !tbaa !5
  %31 = sext i32 %30 to i64
  %32 = getelementptr inbounds i32, ptr %23, i64 %31
  %33 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %32)
  br label %34

34:                                               ; preds = %29
  %35 = load i32, ptr %4, align 4, !tbaa !5
  %36 = add nsw i32 %35, 1
  store i32 %36, ptr %4, align 4, !tbaa !5
  br label %24, !llvm.loop !9

37:                                               ; preds = %28
  call void @llvm.lifetime.start.p0(i64 48, ptr %5) #6
  call void @_ZNSt3setIiSt4lessIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %5) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  store i32 0, ptr %6, align 4, !tbaa !5
  br label %38

38:                                               ; preds = %53, %37
  %39 = load i32, ptr %6, align 4, !tbaa !5
  %40 = load i32, ptr %1, align 4, !tbaa !5
  %41 = icmp slt i32 %39, %40
  br i1 %41, label %43, label %42

42:                                               ; preds = %38
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  br label %60

43:                                               ; preds = %38
  %44 = load i32, ptr %6, align 4, !tbaa !5
  %45 = sext i32 %44 to i64
  %46 = getelementptr inbounds i32, ptr %23, i64 %45
  %47 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %5, ptr noundef nonnull align 4 dereferenceable(4) %46)
          to label %48 unwind label %56

48:                                               ; preds = %43
  %49 = getelementptr inbounds { ptr, i8 }, ptr %9, i32 0, i32 0
  %50 = extractvalue { ptr, i8 } %47, 0
  store ptr %50, ptr %49, align 8
  %51 = getelementptr inbounds { ptr, i8 }, ptr %9, i32 0, i32 1
  %52 = extractvalue { ptr, i8 } %47, 1
  store i8 %52, ptr %51, align 8
  br label %53

53:                                               ; preds = %48
  %54 = load i32, ptr %6, align 4, !tbaa !5
  %55 = add nsw i32 %54, 1
  store i32 %55, ptr %6, align 4, !tbaa !5
  br label %38, !llvm.loop !11

56:                                               ; preds = %43
  %57 = landingpad { ptr, i32 }
          cleanup
  %58 = extractvalue { ptr, i32 } %57, 0
  store ptr %58, ptr %7, align 8
  %59 = extractvalue { ptr, i32 } %57, 1
  store i32 %59, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  br label %124

60:                                               ; preds = %42
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #6
  store i32 0, ptr %10, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #6
  store i32 0, ptr %11, align 4, !tbaa !5
  br label %61

61:                                               ; preds = %117, %60
  %62 = load i32, ptr %11, align 4, !tbaa !5
  %63 = load i32, ptr %1, align 4, !tbaa !5
  %64 = icmp slt i32 %62, %63
  br i1 %64, label %66, label %65

65:                                               ; preds = %61
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  br label %121

66:                                               ; preds = %61
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #6
  %67 = load i32, ptr %11, align 4, !tbaa !5
  %68 = sext i32 %67 to i64
  %69 = getelementptr inbounds i32, ptr %23, i64 %68
  %70 = load i32, ptr %69, align 4, !tbaa !5
  %71 = sub nsw i32 %70, 1
  store i32 %71, ptr %13, align 4, !tbaa !5
  %72 = invoke ptr @_ZNSt3setIiSt4lessIiESaIiEE4findERKi(ptr noundef nonnull align 8 dereferenceable(48) %5, ptr noundef nonnull align 4 dereferenceable(4) %13)
          to label %73 unwind label %93

73:                                               ; preds = %66
  %74 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %12, i32 0, i32 0
  store ptr %72, ptr %74, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #6
  %75 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %5) #6
  %76 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %14, i32 0, i32 0
  store ptr %75, ptr %76, align 8
  %77 = call noundef zeroext i1 @_ZSteqRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8) %12, ptr noundef nonnull align 8 dereferenceable(8) %14) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  br i1 %77, label %78, label %116

78:                                               ; preds = %73
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #6
  %79 = load i32, ptr %11, align 4, !tbaa !5
  %80 = sext i32 %79 to i64
  %81 = getelementptr inbounds i32, ptr %23, i64 %80
  %82 = load i32, ptr %81, align 4, !tbaa !5
  store i32 %82, ptr %15, align 4, !tbaa !5
  br label %83

83:                                               ; preds = %90, %78
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #6
  %84 = invoke ptr @_ZNSt3setIiSt4lessIiESaIiEE4findERKi(ptr noundef nonnull align 8 dereferenceable(48) %5, ptr noundef nonnull align 4 dereferenceable(4) %15)
          to label %85 unwind label %97

85:                                               ; preds = %83
  %86 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %16, i32 0, i32 0
  store ptr %84, ptr %86, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #6
  %87 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %5) #6
  %88 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %17, i32 0, i32 0
  store ptr %87, ptr %88, align 8
  %89 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8) %16, ptr noundef nonnull align 8 dereferenceable(8) %17) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #6
  br i1 %89, label %90, label %101

90:                                               ; preds = %85
  %91 = load i32, ptr %15, align 4, !tbaa !5
  %92 = add nsw i32 %91, 1
  store i32 %92, ptr %15, align 4, !tbaa !5
  br label %83, !llvm.loop !12

93:                                               ; preds = %66
  %94 = landingpad { ptr, i32 }
          cleanup
  %95 = extractvalue { ptr, i32 } %94, 0
  store ptr %95, ptr %7, align 8
  %96 = extractvalue { ptr, i32 } %94, 1
  store i32 %96, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  br label %120

97:                                               ; preds = %83
  %98 = landingpad { ptr, i32 }
          cleanup
  %99 = extractvalue { ptr, i32 } %98, 0
  store ptr %99, ptr %7, align 8
  %100 = extractvalue { ptr, i32 } %98, 1
  store i32 %100, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #6
  br label %115

101:                                              ; preds = %85
  call void @llvm.lifetime.start.p0(i64 4, ptr %18) #6
  %102 = load i32, ptr %15, align 4, !tbaa !5
  %103 = load i32, ptr %11, align 4, !tbaa !5
  %104 = sext i32 %103 to i64
  %105 = getelementptr inbounds i32, ptr %23, i64 %104
  %106 = load i32, ptr %105, align 4, !tbaa !5
  %107 = sub nsw i32 %102, %106
  store i32 %107, ptr %18, align 4, !tbaa !5
  %108 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %10, ptr noundef nonnull align 4 dereferenceable(4) %18)
          to label %109 unwind label %111

109:                                              ; preds = %101
  %110 = load i32, ptr %108, align 4, !tbaa !5
  store i32 %110, ptr %10, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #6
  br label %116

111:                                              ; preds = %101
  %112 = landingpad { ptr, i32 }
          cleanup
  %113 = extractvalue { ptr, i32 } %112, 0
  store ptr %113, ptr %7, align 8
  %114 = extractvalue { ptr, i32 } %112, 1
  store i32 %114, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #6
  br label %115

115:                                              ; preds = %111, %97
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #6
  br label %120

116:                                              ; preds = %109, %73
  br label %117

117:                                              ; preds = %116
  %118 = load i32, ptr %11, align 4, !tbaa !5
  %119 = add nsw i32 %118, 1
  store i32 %119, ptr %11, align 4, !tbaa !5
  br label %61, !llvm.loop !13

120:                                              ; preds = %115, %93
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  br label %124

121:                                              ; preds = %65
  %122 = load i32, ptr %10, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  call void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %5) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr %5) #6
  %123 = load ptr, ptr %2, align 8
  call void @llvm.stackrestore.p0(ptr %123)
  call void @llvm.lifetime.end.p0(i64 4, ptr %1) #6
  ret i32 %122

124:                                              ; preds = %120, %56
  call void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %5) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %1) #6
  br label %125

125:                                              ; preds = %124
  %126 = load ptr, ptr %7, align 8
  %127 = load i32, ptr %8, align 4
  %128 = insertvalue { ptr, i32 } poison, ptr %126, 0
  %129 = insertvalue { ptr, i32 } %128, i32 %127, 1
  resume { ptr, i32 } %129
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #3

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIiSt4lessIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZSteqRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #4

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt3setIiSt4lessIiESaIiEE4findERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #4

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #4 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #3

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { nocallback nofree nosync nounwind willreturn }
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 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = distinct !{!12, !10}
!13 = distinct !{!13, !10}


; 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::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_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 }
%"struct.std::_Rb_tree_const_iterator" = type { ptr }

@_ZSt3cin = external global %"class.std::basic_istream", align 8

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z5solvev() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::set", align 8
  %3 = alloca i32, align 4
  %4 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %5 = alloca i32, align 4
  %6 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %7 = alloca i32, align 4
  %8 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %9 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %10 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  %11 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %12 = load i32, ptr %1, align 4, !tbaa !5
  %13 = zext i32 %12 to i64
  %14 = call ptr @llvm.stacksave.p0()
  %15 = alloca i32, i64 %13, align 16
  %16 = load i32, ptr %1, align 4, !tbaa !5
  %17 = icmp sgt i32 %16, 0
  br i1 %17, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %0
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %2) #6
  call void @_ZNSt3setIiSt4lessIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %2) #6
  %18 = load i32, ptr %1, align 4, !tbaa !5
  %19 = icmp sgt i32 %18, 0
  br i1 %19, label %.lr.ph24, label %._crit_edge25.thread

._crit_edge25.thread:                             ; preds = %._crit_edge
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #6
  br label %._crit_edge29

.lr.ph:                                           ; preds = %0, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
  %20 = getelementptr inbounds i32, ptr %15, i64 %indvars.iv
  %21 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %20)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %22 = load i32, ptr %1, align 4, !tbaa !5
  %23 = sext i32 %22 to i64
  %24 = icmp slt i64 %indvars.iv.next, %23
  br i1 %24, label %.lr.ph, label %._crit_edge, !llvm.loop !9

._crit_edge25:                                    ; preds = %28
  %25 = icmp sgt i32 %29, 0
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #6
  store i32 0, ptr %3, align 4, !tbaa !5
  br i1 %25, label %.lr.ph28, label %._crit_edge29

.lr.ph24:                                         ; preds = %._crit_edge, %28
  %indvars.iv31 = phi i64 [ %indvars.iv.next32, %28 ], [ 0, %._crit_edge ]
  %26 = getelementptr inbounds i32, ptr %15, i64 %indvars.iv31
  %27 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %2, ptr noundef nonnull align 4 dereferenceable(4) %26)
          to label %28 unwind label %32

28:                                               ; preds = %.lr.ph24
  %indvars.iv.next32 = add nuw nsw i64 %indvars.iv31, 1
  %29 = load i32, ptr %1, align 4, !tbaa !5
  %30 = sext i32 %29 to i64
  %31 = icmp slt i64 %indvars.iv.next32, %30
  br i1 %31, label %.lr.ph24, label %._crit_edge25, !llvm.loop !11

32:                                               ; preds = %.lr.ph24
  %33 = landingpad { ptr, i32 }
          cleanup
  br label %67

._crit_edge29.loopexit:                           ; preds = %62
  %.pre = load i32, ptr %3, align 4, !tbaa !5
  br label %._crit_edge29

._crit_edge29:                                    ; preds = %._crit_edge25.thread, %._crit_edge29.loopexit, %._crit_edge25
  %34 = phi i32 [ %.pre, %._crit_edge29.loopexit ], [ 0, %._crit_edge25 ], [ 0, %._crit_edge25.thread ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #6
  call void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %2) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %2) #6
  call void @llvm.stackrestore.p0(ptr %14)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  ret i32 %34

.lr.ph28:                                         ; preds = %._crit_edge25, %62
  %indvars.iv34 = phi i64 [ %indvars.iv.next35, %62 ], [ 0, %._crit_edge25 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #6
  %35 = getelementptr inbounds i32, ptr %15, i64 %indvars.iv34
  %36 = load i32, ptr %35, align 4, !tbaa !5
  %37 = add nsw i32 %36, -1
  store i32 %37, ptr %5, align 4, !tbaa !5
  %38 = invoke ptr @_ZNSt3setIiSt4lessIiESaIiEE4findERKi(ptr noundef nonnull align 8 dereferenceable(48) %2, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %39 unwind label %52

39:                                               ; preds = %.lr.ph28
  store ptr %38, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #6
  %40 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %2) #6
  store ptr %40, ptr %6, align 8
  %41 = call noundef zeroext i1 @_ZSteqRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #6
  br i1 %41, label %42, label %62

42:                                               ; preds = %39
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #6
  %43 = load i32, ptr %35, align 4, !tbaa !5
  br label %44

44:                                               ; preds = %49, %42
  %storemerge = phi i32 [ %43, %42 ], [ %51, %49 ]
  store i32 %storemerge, ptr %7, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #6
  %45 = invoke ptr @_ZNSt3setIiSt4lessIiESaIiEE4findERKi(ptr noundef nonnull align 8 dereferenceable(48) %2, ptr noundef nonnull align 4 dereferenceable(4) %7)
          to label %46 unwind label %54

46:                                               ; preds = %44
  store ptr %45, ptr %8, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #6
  %47 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %2) #6
  store ptr %47, ptr %9, align 8
  %48 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %9) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #6
  br i1 %48, label %49, label %56

49:                                               ; preds = %46
  %50 = load i32, ptr %7, align 4, !tbaa !5
  %51 = add nsw i32 %50, 1
  br label %44, !llvm.loop !12

52:                                               ; preds = %.lr.ph28
  %53 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #6
  br label %66

54:                                               ; preds = %44
  %55 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #6
  br label %66

56:                                               ; preds = %46
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %10) #6
  %57 = load i32, ptr %7, align 4, !tbaa !5
  %58 = load i32, ptr %35, align 4, !tbaa !5
  %59 = sub nsw i32 %57, %58
  store i32 %59, ptr %10, align 4, !tbaa !5
  %60 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %3, ptr noundef nonnull align 4 dereferenceable(4) %10)
  %61 = load i32, ptr %60, align 4, !tbaa !5
  store i32 %61, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %10) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #6
  br label %62

62:                                               ; preds = %39, %56
  %indvars.iv.next35 = add nuw nsw i64 %indvars.iv34, 1
  %63 = load i32, ptr %1, align 4, !tbaa !5
  %64 = sext i32 %63 to i64
  %65 = icmp slt i64 %indvars.iv.next35, %64
  br i1 %65, label %.lr.ph28, label %._crit_edge29.loopexit, !llvm.loop !13

66:                                               ; preds = %54, %52
  %.pn = phi { ptr, i32 } [ %55, %54 ], [ %53, %52 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #6
  br label %67

67:                                               ; preds = %66, %32
  %.pn19 = phi { ptr, i32 } [ %33, %32 ], [ %.pn, %66 ]
  call void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %2) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn19
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #3

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIiSt4lessIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZSteqRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt3setIiSt4lessIiESaIiEE4findERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #3

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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 nocallback nofree nosync nounwind willreturn }
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 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = distinct !{!12, !10}
!13 = distinct !{!13, !10}


; Effective O3 passes: DSEPass,EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass