; LLVM IR from VastoLorde95/Competitive-Programming :: Hackerrank/Company Contests/Sears 2016/Problem B/B.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

; 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 i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::__cxx11::basic_string", align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  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
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #5
  %9 = 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 %10 unwind label %26

10:                                               ; preds = %0
  %11 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %9, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %12 unwind label %26

12:                                               ; preds = %10
  %13 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #5
  %14 = trunc i64 %13 to i32
  store i32 %14, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 32, ptr %6) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %6, ptr noundef nonnull align 8 dereferenceable(32) %1)
          to label %15 unwind label %30

15:                                               ; preds = %12
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #5
  store i32 0, ptr %7, align 4, !tbaa !5
  br label %16

16:                                               ; preds = %54, %15
  %17 = load i32, ptr %7, align 4, !tbaa !5
  %18 = load i32, ptr %2, align 4, !tbaa !5
  %19 = icmp slt i32 %17, %18
  br i1 %19, label %20, label %23

20:                                               ; preds = %16
  %21 = load i32, ptr %3, align 4, !tbaa !5
  %22 = icmp sgt i32 %21, 0
  br label %23

23:                                               ; preds = %20, %16
  %24 = phi i1 [ false, %16 ], [ %22, %20 ]
  br i1 %24, label %34, label %25

25:                                               ; preds = %23
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  br label %57

26:                                               ; preds = %10, %0
  %27 = landingpad { ptr, i32 }
          cleanup
  %28 = extractvalue { ptr, i32 } %27, 0
  store ptr %28, ptr %4, align 8
  %29 = extractvalue { ptr, i32 } %27, 1
  store i32 %29, ptr %5, align 4
  br label %107

30:                                               ; preds = %12
  %31 = landingpad { ptr, i32 }
          cleanup
  %32 = extractvalue { ptr, i32 } %31, 0
  store ptr %32, ptr %4, align 8
  %33 = extractvalue { ptr, i32 } %31, 1
  store i32 %33, ptr %5, align 4
  br label %106

34:                                               ; preds = %23
  %35 = load i32, ptr %7, align 4, !tbaa !5
  %36 = sext i32 %35 to i64
  %37 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %36)
          to label %38 unwind label %49

38:                                               ; preds = %34
  %39 = load i8, ptr %37, align 1, !tbaa !9
  %40 = sext i8 %39 to i32
  %41 = icmp ne i32 %40, 97
  br i1 %41, label %42, label %53

42:                                               ; preds = %38
  %43 = load i32, ptr %7, align 4, !tbaa !5
  %44 = sext i32 %43 to i64
  %45 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %6, i64 noundef %44)
          to label %46 unwind label %49

46:                                               ; preds = %42
  store i8 97, ptr %45, align 1, !tbaa !9
  %47 = load i32, ptr %3, align 4, !tbaa !5
  %48 = add nsw i32 %47, -1
  store i32 %48, ptr %3, align 4, !tbaa !5
  br label %53

49:                                               ; preds = %42, %34
  %50 = landingpad { ptr, i32 }
          cleanup
  %51 = extractvalue { ptr, i32 } %50, 0
  store ptr %51, ptr %4, align 8
  %52 = extractvalue { ptr, i32 } %50, 1
  store i32 %52, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  br label %105

53:                                               ; preds = %46, %38
  br label %54

54:                                               ; preds = %53
  %55 = load i32, ptr %7, align 4, !tbaa !5
  %56 = add nsw i32 %55, 1
  store i32 %56, ptr %7, align 4, !tbaa !5
  br label %16, !llvm.loop !10

57:                                               ; preds = %25
  %58 = load i32, ptr %3, align 4, !tbaa !5
  %59 = icmp sgt i32 %58, 0
  br i1 %59, label %60, label %96

60:                                               ; preds = %57
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #5
  %61 = load i32, ptr %2, align 4, !tbaa !5
  %62 = sub nsw i32 %61, 1
  store i32 %62, ptr %8, align 4, !tbaa !5
  br label %63

63:                                               ; preds = %92, %60
  %64 = load i32, ptr %8, align 4, !tbaa !5
  %65 = icmp sge i32 %64, 0
  br i1 %65, label %66, label %69

66:                                               ; preds = %63
  %67 = load i32, ptr %3, align 4, !tbaa !5
  %68 = icmp sgt i32 %67, 0
  br label %69

69:                                               ; preds = %66, %63
  %70 = phi i1 [ false, %63 ], [ %68, %66 ]
  br i1 %70, label %72, label %71

71:                                               ; preds = %69
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #5
  br label %95

72:                                               ; preds = %69
  %73 = load i32, ptr %8, align 4, !tbaa !5
  %74 = sext i32 %73 to i64
  %75 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %74)
          to label %76 unwind label %87

76:                                               ; preds = %72
  %77 = load i8, ptr %75, align 1, !tbaa !9
  %78 = sext i8 %77 to i32
  %79 = icmp eq i32 %78, 97
  br i1 %79, label %80, label %91

80:                                               ; preds = %76
  %81 = load i32, ptr %8, align 4, !tbaa !5
  %82 = sext i32 %81 to i64
  %83 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %6, i64 noundef %82)
          to label %84 unwind label %87

84:                                               ; preds = %80
  store i8 98, ptr %83, align 1, !tbaa !9
  %85 = load i32, ptr %3, align 4, !tbaa !5
  %86 = add nsw i32 %85, -1
  store i32 %86, ptr %3, align 4, !tbaa !5
  br label %91

87:                                               ; preds = %80, %72
  %88 = landingpad { ptr, i32 }
          cleanup
  %89 = extractvalue { ptr, i32 } %88, 0
  store ptr %89, ptr %4, align 8
  %90 = extractvalue { ptr, i32 } %88, 1
  store i32 %90, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #5
  br label %105

91:                                               ; preds = %84, %76
  br label %92

92:                                               ; preds = %91
  %93 = load i32, ptr %8, align 4, !tbaa !5
  %94 = add nsw i32 %93, -1
  store i32 %94, ptr %8, align 4, !tbaa !5
  br label %63, !llvm.loop !12

95:                                               ; preds = %71
  br label %96

96:                                               ; preds = %95, %57
  %97 = 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) %6)
          to label %98 unwind label %101

98:                                               ; preds = %96
  %99 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %97, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %100 unwind label %101

100:                                              ; preds = %98
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #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
  ret void

101:                                              ; preds = %98, %96
  %102 = landingpad { ptr, i32 }
          cleanup
  %103 = extractvalue { ptr, i32 } %102, 0
  store ptr %103, ptr %4, align 8
  %104 = extractvalue { ptr, i32 } %102, 1
  store i32 %104, ptr %5, align 4
  br label %105

105:                                              ; preds = %101, %87, %49
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #5
  br label %106

106:                                              ; preds = %105, %30
  call void @llvm.lifetime.end.p0(i64 32, ptr %6) #5
  br label %107

107:                                              ; preds = %106, %26
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #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
  br label %108

108:                                              ; preds = %107
  %109 = load ptr, ptr %4, align 8
  %110 = load i32, ptr %5, align 4
  %111 = insertvalue { ptr, i32 } poison, ptr %109, 0
  %112 = insertvalue { ptr, i32 } %111, i32 %110, 1
  resume { ptr, i32 } %112
}

; 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(...)

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #3

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 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: 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 @_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: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #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 = !{!"int", !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

; 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
  %2 = alloca i32, align 4
  %3 = 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
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #5
  %4 = 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 %5 unwind label %19

5:                                                ; preds = %0
  %6 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %4, ptr noundef nonnull align 4 dereferenceable(4) %2)
          to label %7 unwind label %19

7:                                                ; preds = %5
  %8 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #5
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef nonnull align 8 dereferenceable(32) %1)
          to label %.preheader17 unwind label %21

.preheader17:                                     ; preds = %7
  %9 = trunc i64 %8 to i32
  %10 = icmp sgt i32 %9, 0
  %11 = load i32, ptr %2, align 4
  %12 = icmp sgt i32 %11, 0
  %13 = select i1 %10, i1 %12, i1 false
  br i1 %13, label %.lr.ph.preheader, label %._crit_edge

.lr.ph.preheader:                                 ; preds = %.preheader17
  %14 = and i64 %8, 2147483647
  br label %.lr.ph

._crit_edge:                                      ; preds = %29, %.preheader17
  %15 = phi i32 [ %11, %.preheader17 ], [ %30, %29 ]
  %.lcssa = phi i1 [ %12, %.preheader17 ], [ %32, %29 ]
  %16 = icmp sgt i32 %15, 0
  %17 = and i1 %.lcssa, %10
  %or.cond = select i1 %17, i1 %16, i1 false
  br i1 %or.cond, label %.lr.ph21.preheader, label %.loopexit

.lr.ph21.preheader:                               ; preds = %._crit_edge
  %18 = and i64 %8, 2147483647
  br label %.lr.ph21

19:                                               ; preds = %5, %0
  %20 = landingpad { ptr, i32 }
          cleanup
  br label %53

21:                                               ; preds = %7
  %22 = landingpad { ptr, i32 }
          cleanup
  br label %52

.lr.ph:                                           ; preds = %.lr.ph.preheader, %29
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next, %29 ]
  %23 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %indvars.iv)
  %24 = load i8, ptr %23, align 1, !tbaa !5
  %.not = icmp eq i8 %24, 97
  br i1 %.not, label %.lr.ph._crit_edge, label %25

.lr.ph._crit_edge:                                ; preds = %.lr.ph
  %.pre = load i32, ptr %2, align 4
  br label %29

25:                                               ; preds = %.lr.ph
  %26 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %indvars.iv)
  store i8 97, ptr %26, align 1, !tbaa !5
  %27 = load i32, ptr %2, align 4, !tbaa !8
  %28 = add nsw i32 %27, -1
  store i32 %28, ptr %2, align 4, !tbaa !8
  br label %29

29:                                               ; preds = %.lr.ph._crit_edge, %25
  %30 = phi i32 [ %.pre, %.lr.ph._crit_edge ], [ %28, %25 ]
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %31 = icmp ult i64 %indvars.iv.next, %14
  %32 = icmp sgt i32 %30, 0
  %33 = select i1 %31, i1 %32, i1 false
  br i1 %33, label %.lr.ph, label %._crit_edge, !llvm.loop !10

.lr.ph21:                                         ; preds = %.lr.ph21.preheader, %41
  %indvars.iv24 = phi i64 [ %18, %.lr.ph21.preheader ], [ %indvars.iv.next25, %41 ]
  %indvars.iv.next25 = add nsw i64 %indvars.iv24, -1
  %34 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %indvars.iv.next25)
  %35 = load i8, ptr %34, align 1, !tbaa !5
  %36 = icmp eq i8 %35, 97
  br i1 %36, label %37, label %.lr.ph21._crit_edge

.lr.ph21._crit_edge:                              ; preds = %.lr.ph21
  %.pre27 = load i32, ptr %2, align 4
  br label %41

37:                                               ; preds = %.lr.ph21
  %38 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %indvars.iv.next25)
  store i8 98, ptr %38, align 1, !tbaa !5
  %39 = load i32, ptr %2, align 4, !tbaa !8
  %40 = add nsw i32 %39, -1
  store i32 %40, ptr %2, align 4, !tbaa !8
  br label %41

41:                                               ; preds = %.lr.ph21._crit_edge, %37
  %42 = phi i32 [ %.pre27, %.lr.ph21._crit_edge ], [ %40, %37 ]
  %43 = icmp ugt i64 %indvars.iv24, 1
  %44 = icmp sgt i32 %42, 0
  %45 = select i1 %43, i1 %44, i1 false
  br i1 %45, label %.lr.ph21, label %.loopexit, !llvm.loop !12

.loopexit:                                        ; preds = %41, %._crit_edge
  %46 = 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) %3)
          to label %47 unwind label %50

47:                                               ; preds = %.loopexit
  %48 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %46, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %49 unwind label %50

49:                                               ; preds = %47
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #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 nonnull %1) #5
  ret void

50:                                               ; preds = %47, %.loopexit
  %51 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  br label %52

52:                                               ; preds = %50, %21
  %.pn = phi { ptr, i32 } [ %51, %50 ], [ %22, %21 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #5
  br label %53

53:                                               ; preds = %52, %19
  %.pn.pn = phi { ptr, i32 } [ %.pn, %52 ], [ %20, %19 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #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 nonnull %1) #5
  resume { ptr, i32 } %.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(...)

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 #3

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 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: 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 @_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 uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #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 = !{!9, !9, i64 0}
!9 = !{!"int", !6, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}
!12 = distinct !{!12, !11}


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