; LLVM IR from AdarshGaur/Competitive-Programming :: Codeforces/Random Problems/B. Minor Reduction.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::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"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] }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::__cxx11::basic_string", align 8
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca i32, align 4
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  %9 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 32, ptr %1) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #5
  %10 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %1)
          to label %11 unwind label %19

11:                                               ; preds = %0
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #5
  %12 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #5
  store i64 %12, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #5
  %13 = load i64, ptr %4, align 8, !tbaa !5
  %14 = sub nsw i64 %13, 1
  store i64 %14, ptr %5, align 8, !tbaa !5
  br label %15

15:                                               ; preds = %69, %11
  %16 = load i64, ptr %5, align 8, !tbaa !5
  %17 = icmp sgt i64 %16, 0
  br i1 %17, label %23, label %18

18:                                               ; preds = %15
  store i32 2, ptr %6, align 4
  br label %72

19:                                               ; preds = %0
  %20 = landingpad { ptr, i32 }
          cleanup
  %21 = extractvalue { ptr, i32 } %20, 0
  store ptr %21, ptr %2, align 8
  %22 = extractvalue { ptr, i32 } %20, 1
  store i32 %22, ptr %3, align 4
  br label %123

23:                                               ; preds = %15
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  %24 = load i64, ptr %5, align 8, !tbaa !5
  %25 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %24)
          to label %26 unwind label %61

26:                                               ; preds = %23
  %27 = load i8, ptr %25, align 1, !tbaa !9
  %28 = sext i8 %27 to i32
  %29 = sub nsw i32 %28, 48
  %30 = load i64, ptr %5, align 8, !tbaa !5
  %31 = sub nsw i64 %30, 1
  %32 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %31)
          to label %33 unwind label %61

33:                                               ; preds = %26
  %34 = load i8, ptr %32, align 1, !tbaa !9
  %35 = sext i8 %34 to i32
  %36 = add nsw i32 %29, %35
  %37 = sub nsw i32 %36, 48
  %38 = sext i32 %37 to i64
  store i64 %38, ptr %7, align 8, !tbaa !5
  %39 = load i64, ptr %7, align 8, !tbaa !5
  %40 = icmp sge i64 %39, 10
  br i1 %40, label %41, label %65

41:                                               ; preds = %33
  %42 = load i64, ptr %7, align 8, !tbaa !5
  %43 = srem i64 %42, 10
  %44 = add nsw i64 48, %43
  %45 = trunc i64 %44 to i8
  %46 = load i64, ptr %5, align 8, !tbaa !5
  %47 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %46)
          to label %48 unwind label %61

48:                                               ; preds = %41
  store i8 %45, ptr %47, align 1, !tbaa !9
  %49 = load i64, ptr %7, align 8, !tbaa !5
  %50 = sdiv i64 %49, 10
  %51 = add nsw i64 48, %50
  %52 = trunc i64 %51 to i8
  %53 = load i64, ptr %5, align 8, !tbaa !5
  %54 = sub nsw i64 %53, 1
  %55 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %54)
          to label %56 unwind label %61

56:                                               ; preds = %48
  store i8 %52, ptr %55, align 1, !tbaa !9
  %57 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(32) %1)
          to label %58 unwind label %61

58:                                               ; preds = %56
  %59 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %57, ptr noundef @.str)
          to label %60 unwind label %61

60:                                               ; preds = %58
  store i32 1, ptr %6, align 4
  br label %66

61:                                               ; preds = %58, %56, %48, %41, %26, %23
  %62 = landingpad { ptr, i32 }
          cleanup
  %63 = extractvalue { ptr, i32 } %62, 0
  store ptr %63, ptr %2, align 8
  %64 = extractvalue { ptr, i32 } %62, 1
  store i32 %64, ptr %3, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  br label %122

65:                                               ; preds = %33
  store i32 0, ptr %6, align 4
  br label %66

66:                                               ; preds = %65, %60
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  %67 = load i32, ptr %6, align 4
  switch i32 %67, label %72 [
    i32 0, label %68
  ]

68:                                               ; preds = %66
  br label %69

69:                                               ; preds = %68
  %70 = load i64, ptr %5, align 8, !tbaa !5
  %71 = add nsw i64 %70, -1
  store i64 %71, ptr %5, align 8, !tbaa !5
  br label %15, !llvm.loop !10

72:                                               ; preds = %66, %18
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  %73 = load i32, ptr %6, align 4
  switch i32 %73, label %118 [
    i32 2, label %74
  ]

74:                                               ; preds = %72
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #5
  %75 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef 0)
          to label %76 unwind label %97

76:                                               ; preds = %74
  %77 = load i8, ptr %75, align 1, !tbaa !9
  %78 = sext i8 %77 to i32
  %79 = sub nsw i32 %78, 48
  %80 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef 1)
          to label %81 unwind label %97

81:                                               ; preds = %76
  %82 = load i8, ptr %80, align 1, !tbaa !9
  %83 = sext i8 %82 to i32
  %84 = add nsw i32 %79, %83
  %85 = sub nsw i32 %84, 48
  %86 = sext i32 %85 to i64
  store i64 %86, ptr %8, align 8, !tbaa !5
  %87 = load i64, ptr %8, align 8, !tbaa !5
  %88 = add nsw i64 48, %87
  %89 = trunc i64 %88 to i8
  %90 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef 1)
          to label %91 unwind label %97

91:                                               ; preds = %81
  store i8 %89, ptr %90, align 1, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #5
  store i64 1, ptr %9, align 8, !tbaa !5
  br label %92

92:                                               ; preds = %108, %91
  %93 = load i64, ptr %9, align 8, !tbaa !5
  %94 = load i64, ptr %4, align 8, !tbaa !5
  %95 = icmp slt i64 %93, %94
  br i1 %95, label %101, label %96

96:                                               ; preds = %92
  store i32 5, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  br label %115

97:                                               ; preds = %115, %81, %76, %74
  %98 = landingpad { ptr, i32 }
          cleanup
  %99 = extractvalue { ptr, i32 } %98, 0
  store ptr %99, ptr %2, align 8
  %100 = extractvalue { ptr, i32 } %98, 1
  store i32 %100, ptr %3, align 4
  br label %121

101:                                              ; preds = %92
  %102 = load i64, ptr %9, align 8, !tbaa !5
  %103 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %102)
          to label %104 unwind label %111

104:                                              ; preds = %101
  %105 = load i8, ptr %103, align 1, !tbaa !9
  %106 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i8 noundef signext %105)
          to label %107 unwind label %111

107:                                              ; preds = %104
  br label %108

108:                                              ; preds = %107
  %109 = load i64, ptr %9, align 8, !tbaa !5
  %110 = add nsw i64 %109, 1
  store i64 %110, ptr %9, align 8, !tbaa !5
  br label %92, !llvm.loop !12

111:                                              ; preds = %104, %101
  %112 = landingpad { ptr, i32 }
          cleanup
  %113 = extractvalue { ptr, i32 } %112, 0
  store ptr %113, ptr %2, align 8
  %114 = extractvalue { ptr, i32 } %112, 1
  store i32 %114, ptr %3, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  br label %121

115:                                              ; preds = %96
  %116 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
          to label %117 unwind label %97

117:                                              ; preds = %115
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  store i32 0, ptr %6, align 4
  br label %118

118:                                              ; preds = %117, %72
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %1) #5
  %119 = load i32, ptr %6, align 4
  switch i32 %119, label %129 [
    i32 0, label %120
    i32 1, label %120
  ]

120:                                              ; preds = %118, %118
  ret void

121:                                              ; preds = %111, %97
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  br label %122

122:                                              ; preds = %121, %61
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #5
  br label %123

123:                                              ; preds = %122, %19
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %1) #5
  br label %124

124:                                              ; preds = %123
  %125 = load ptr, ptr %2, align 8
  %126 = load i32, ptr %3, align 4
  %127 = insertvalue { ptr, i32 } poison, ptr %125, 0
  %128 = insertvalue { ptr, i32 } %127, i32 %126, 1
  resume { ptr, i32 } %128

129:                                              ; preds = %118
  unreachable
}

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

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

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) #3

declare i32 @__gxx_personality_v0(...)

; 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 noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #4

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) #4

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8), i8 noundef signext) #4

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

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 = { 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 = { 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 = { 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 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}
!12 = distinct !{!12, !11}


; 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::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"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] }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::__cxx11::basic_string", align 8
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %1) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #5
  %2 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %1)
          to label %3 unwind label %6

3:                                                ; preds = %0
  %4 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #5
  br label %.critedge

.critedge:                                        ; preds = %8, %3
  %.025.in = phi i64 [ %4, %3 ], [ %.025, %8 ]
  %5 = icmp slt i64 %.025.in, 2
  br i1 %5, label %.critedge31, label %8

6:                                                ; preds = %0
  %7 = landingpad { ptr, i32 }
          cleanup
  br label %51

8:                                                ; preds = %.critedge
  %.025 = add nsw i64 %.025.in, -1
  %9 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %.025)
  %10 = load i8, ptr %9, align 1, !tbaa !5
  %11 = sext i8 %10 to i64
  %12 = add nsw i64 %11, -48
  %13 = add nsw i64 %.025.in, -2
  %14 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %13)
  %15 = load i8, ptr %14, align 1, !tbaa !5
  %16 = sext i8 %15 to i64
  %17 = add nsw i64 %12, %16
  %18 = icmp slt i64 %17, 58
  br i1 %18, label %.critedge, label %19, !llvm.loop !8

19:                                               ; preds = %8
  %20 = trunc i64 %17 to i8
  %.lhs.trunc = add i8 %20, -48
  %21 = urem i8 %.lhs.trunc, 10
  %22 = or disjoint i8 %21, 48
  %23 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %.025)
  store i8 %22, ptr %23, align 1, !tbaa !5
  %24 = udiv i8 %.lhs.trunc, 10
  %25 = add nuw nsw i8 %24, 48
  %26 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %13)
  store i8 %25, ptr %26, align 1, !tbaa !5
  %27 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(32) %1)
          to label %28 unwind label %30

28:                                               ; preds = %19
  %29 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %27, ptr noundef nonnull @.str)
          to label %50 unwind label %30

30:                                               ; preds = %28, %19
  %31 = landingpad { ptr, i32 }
          cleanup
  br label %51

.critedge31:                                      ; preds = %.critedge
  %32 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef 0)
  %33 = load i8, ptr %32, align 1, !tbaa !5
  %34 = add i8 %33, -48
  %35 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef 1)
  %36 = load i8, ptr %35, align 1, !tbaa !5
  %37 = add i8 %34, %36
  %38 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef 1)
  store i8 %37, ptr %38, align 1, !tbaa !5
  %39 = icmp sgt i64 %4, 1
  br i1 %39, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %46, %.critedge31
  %40 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str)
          to label %50 unwind label %41

41:                                               ; preds = %._crit_edge
  %42 = landingpad { ptr, i32 }
          cleanup
  br label %51

.lr.ph:                                           ; preds = %.critedge31, %46
  %.036 = phi i64 [ %47, %46 ], [ 1, %.critedge31 ]
  %43 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %.036)
  %44 = load i8, ptr %43, align 1, !tbaa !5
  %45 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i8 noundef signext %44)
          to label %46 unwind label %48

46:                                               ; preds = %.lr.ph
  %47 = add nuw nsw i64 %.036, 1
  %exitcond.not = icmp eq i64 %47, %4
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !10

48:                                               ; preds = %.lr.ph
  %49 = landingpad { ptr, i32 }
          cleanup
  br label %51

50:                                               ; preds = %28, %._crit_edge
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %1) #5
  ret void

51:                                               ; preds = %30, %48, %41, %6
  %.pn.pn.pn = phi { ptr, i32 } [ %7, %6 ], [ %31, %30 ], [ %49, %48 ], [ %42, %41 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %1) #5
  resume { ptr, i32 } %.pn.pn.pn
}

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

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

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #3

declare i32 @__gxx_personality_v0(...)

; 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 noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #4

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #4

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8), i8 noundef signext) local_unnamed_addr #4

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

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


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