; LLVM IR from MinaFaried3/Assiut-University-Training---Newcomers :: g-sheet4_string (S-MaxSplit)

; 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 norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca [1000 x [1000 x i8]], align 16
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 1000000, ptr %2) #6
  call void @llvm.lifetime.start.p0(i64 32, ptr %3) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  %14 = 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) %3)
          to label %15 unwind label %22

15:                                               ; preds = %0
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  store i32 0, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  store i32 0, ptr %7, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #6
  store i32 0, ptr %8, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #6
  store i32 0, ptr %9, align 4, !tbaa !5
  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 %16

16:                                               ; preds = %68, %15
  %17 = load i32, ptr %11, align 4, !tbaa !5
  %18 = sext i32 %17 to i64
  %19 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  %20 = icmp ult i64 %18, %19
  br i1 %20, label %26, label %21

21:                                               ; preds = %16
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  br label %71

22:                                               ; preds = %0
  %23 = landingpad { ptr, i32 }
          cleanup
  %24 = extractvalue { ptr, i32 } %23, 0
  store ptr %24, ptr %4, align 8
  %25 = extractvalue { ptr, i32 } %23, 1
  store i32 %25, ptr %5, align 4
  br label %128

26:                                               ; preds = %16
  %27 = load i32, ptr %11, align 4, !tbaa !5
  %28 = sext i32 %27 to i64
  %29 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %28)
          to label %30 unwind label %43

30:                                               ; preds = %26
  %31 = load i8, ptr %29, align 1, !tbaa !9
  %32 = sext i8 %31 to i32
  %33 = icmp eq i32 %32, 76
  br i1 %33, label %34, label %47

34:                                               ; preds = %30
  %35 = load i32, ptr %10, align 4, !tbaa !5
  %36 = add nsw i32 %35, 1
  store i32 %36, ptr %10, align 4, !tbaa !5
  %37 = load i32, ptr %8, align 4, !tbaa !5
  %38 = sext i32 %37 to i64
  %39 = getelementptr inbounds [1000 x [1000 x i8]], ptr %2, i64 0, i64 %38
  %40 = load i32, ptr %7, align 4, !tbaa !5
  %41 = sext i32 %40 to i64
  %42 = getelementptr inbounds [1000 x i8], ptr %39, i64 0, i64 %41
  store i8 76, ptr %42, align 1, !tbaa !9
  br label %56

43:                                               ; preds = %26
  %44 = landingpad { ptr, i32 }
          cleanup
  %45 = extractvalue { ptr, i32 } %44, 0
  store ptr %45, ptr %4, align 8
  %46 = extractvalue { ptr, i32 } %44, 1
  store i32 %46, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  br label %127

47:                                               ; preds = %30
  %48 = load i32, ptr %9, align 4, !tbaa !5
  %49 = add nsw i32 %48, 1
  store i32 %49, ptr %9, align 4, !tbaa !5
  %50 = load i32, ptr %8, align 4, !tbaa !5
  %51 = sext i32 %50 to i64
  %52 = getelementptr inbounds [1000 x [1000 x i8]], ptr %2, i64 0, i64 %51
  %53 = load i32, ptr %7, align 4, !tbaa !5
  %54 = sext i32 %53 to i64
  %55 = getelementptr inbounds [1000 x i8], ptr %52, i64 0, i64 %54
  store i8 82, ptr %55, align 1, !tbaa !9
  br label %56

56:                                               ; preds = %47, %34
  %57 = load i32, ptr %7, align 4, !tbaa !5
  %58 = add nsw i32 %57, 1
  store i32 %58, ptr %7, align 4, !tbaa !5
  %59 = load i32, ptr %9, align 4, !tbaa !5
  %60 = load i32, ptr %10, align 4, !tbaa !5
  %61 = icmp eq i32 %59, %60
  br i1 %61, label %62, label %67

62:                                               ; preds = %56
  %63 = load i32, ptr %6, align 4, !tbaa !5
  %64 = add nsw i32 %63, 1
  store i32 %64, ptr %6, align 4, !tbaa !5
  store i32 0, ptr %7, align 4, !tbaa !5
  %65 = load i32, ptr %8, align 4, !tbaa !5
  %66 = add nsw i32 %65, 1
  store i32 %66, ptr %8, align 4, !tbaa !5
  store i32 0, ptr %10, align 4, !tbaa !5
  store i32 0, ptr %9, align 4, !tbaa !5
  br label %67

67:                                               ; preds = %62, %56
  br label %68

68:                                               ; preds = %67
  %69 = load i32, ptr %11, align 4, !tbaa !5
  %70 = add nsw i32 %69, 1
  store i32 %70, ptr %11, align 4, !tbaa !5
  br label %16, !llvm.loop !10

71:                                               ; preds = %21
  %72 = load i32, ptr %6, align 4, !tbaa !5
  %73 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %72)
          to label %74 unwind label %81

74:                                               ; preds = %71
  %75 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %73, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %76 unwind label %81

76:                                               ; preds = %74
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #6
  store i32 0, ptr %12, align 4, !tbaa !5
  br label %77

77:                                               ; preds = %121, %76
  %78 = load i32, ptr %12, align 4, !tbaa !5
  %79 = icmp slt i32 %78, 1000
  br i1 %79, label %85, label %80

80:                                               ; preds = %77
  store i32 5, ptr %13, align 4
  br label %124

81:                                               ; preds = %74, %71
  %82 = landingpad { ptr, i32 }
          cleanup
  %83 = extractvalue { ptr, i32 } %82, 0
  store ptr %83, ptr %4, align 8
  %84 = extractvalue { ptr, i32 } %82, 1
  store i32 %84, ptr %5, align 4
  br label %127

85:                                               ; preds = %77
  %86 = load i32, ptr %12, align 4, !tbaa !5
  %87 = sext i32 %86 to i64
  %88 = getelementptr inbounds [1000 x [1000 x i8]], ptr %2, i64 0, i64 %87
  %89 = getelementptr inbounds [1000 x i8], ptr %88, i64 0, i64 0
  %90 = load i8, ptr %89, align 8, !tbaa !9
  %91 = sext i8 %90 to i32
  %92 = icmp eq i32 %91, 76
  br i1 %92, label %101, label %93

93:                                               ; preds = %85
  %94 = load i32, ptr %12, align 4, !tbaa !5
  %95 = sext i32 %94 to i64
  %96 = getelementptr inbounds [1000 x [1000 x i8]], ptr %2, i64 0, i64 %95
  %97 = getelementptr inbounds [1000 x i8], ptr %96, i64 0, i64 0
  %98 = load i8, ptr %97, align 8, !tbaa !9
  %99 = sext i8 %98 to i32
  %100 = icmp eq i32 %99, 82
  br i1 %100, label %101, label %116

101:                                              ; preds = %93, %85
  %102 = load i32, ptr %12, align 4, !tbaa !5
  %103 = sext i32 %102 to i64
  %104 = getelementptr inbounds [1000 x [1000 x i8]], ptr %2, i64 0, i64 %103
  %105 = getelementptr inbounds [1000 x i8], ptr %104, i64 0, i64 0
  %106 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef %105)
          to label %107 unwind label %112

107:                                              ; preds = %101
  %108 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %106, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %109 unwind label %112

109:                                              ; preds = %107
  %110 = load i32, ptr %6, align 4, !tbaa !5
  %111 = add nsw i32 %110, -1
  store i32 %111, ptr %6, align 4, !tbaa !5
  br label %116

112:                                              ; preds = %107, %101
  %113 = landingpad { ptr, i32 }
          cleanup
  %114 = extractvalue { ptr, i32 } %113, 0
  store ptr %114, ptr %4, align 8
  %115 = extractvalue { ptr, i32 } %113, 1
  store i32 %115, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  br label %127

116:                                              ; preds = %109, %93
  %117 = load i32, ptr %6, align 4, !tbaa !5
  %118 = icmp eq i32 %117, 0
  br i1 %118, label %119, label %120

119:                                              ; preds = %116
  store i32 5, ptr %13, align 4
  br label %124

120:                                              ; preds = %116
  br label %121

121:                                              ; preds = %120
  %122 = load i32, ptr %12, align 4, !tbaa !5
  %123 = add nsw i32 %122, 1
  store i32 %123, ptr %12, align 4, !tbaa !5
  br label %77, !llvm.loop !12

124:                                              ; preds = %119, %80
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  br label %125

125:                                              ; preds = %124
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 1000000, ptr %2) #6
  %126 = load i32, ptr %1, align 4
  ret i32 %126

127:                                              ; preds = %112, %81, %43
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  br label %128

128:                                              ; preds = %127, %22
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 1000000, ptr %2) #6
  br label %129

129:                                              ; preds = %128
  %130 = load ptr, ptr %4, align 8
  %131 = load i32, ptr %5, align 4
  %132 = insertvalue { ptr, i32 } poison, ptr %130, 0
  %133 = insertvalue { ptr, i32 } %132, i32 %131, 1
  resume { ptr, i32 } %133
}

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

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #3

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #4 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)) #5

; 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) #5

; 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 norecurse 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 = { 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 = { 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 norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca [1000 x [1000 x i8]], align 16
  %2 = alloca %"class.std::__cxx11::basic_string", align 8
  call void @llvm.lifetime.start.p0(i64 1000000, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %2) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  %3 = 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) %2)
          to label %.preheader44 unwind label %6

.preheader44:                                     ; preds = %0
  %4 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  %.not = icmp eq i64 %4, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %21, %.preheader44
  %.033.lcssa = phi i32 [ 0, %.preheader44 ], [ %.134, %21 ]
  %5 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %.033.lcssa)
          to label %24 unwind label %26

6:                                                ; preds = %0
  %7 = landingpad { ptr, i32 }
          cleanup
  br label %41

.lr.ph:                                           ; preds = %.preheader44, %21
  %indvars.iv = phi i64 [ %indvars.iv.next, %21 ], [ 0, %.preheader44 ]
  %.02549 = phi i32 [ %.2, %21 ], [ 0, %.preheader44 ]
  %.02648 = phi i32 [ %.228, %21 ], [ 0, %.preheader44 ]
  %.02947 = phi i32 [ %.130, %21 ], [ 0, %.preheader44 ]
  %.03146 = phi i32 [ %.132, %21 ], [ 0, %.preheader44 ]
  %.03345 = phi i32 [ %.134, %21 ], [ 0, %.preheader44 ]
  %8 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %indvars.iv)
  %9 = load i8, ptr %8, align 1, !tbaa !5
  %10 = icmp ne i8 %9, 76
  %11 = sext i32 %.02947 to i64
  %12 = sext i32 %.03146 to i64
  %13 = getelementptr inbounds [1000 x [1000 x i8]], ptr %1, i64 0, i64 %11, i64 %12
  %.sink = select i1 %10, i8 82, i8 76
  %14 = zext i1 %10 to i32
  %.127 = add nsw i32 %.02648, %14
  %not. = xor i1 %10, true
  %15 = zext i1 %not. to i32
  %.1 = add nsw i32 %.02549, %15
  store i8 %.sink, ptr %13, align 1, !tbaa !5
  %16 = add nsw i32 %.03146, 1
  %17 = icmp eq i32 %.127, %.1
  br i1 %17, label %18, label %21

18:                                               ; preds = %.lr.ph
  %19 = add nsw i32 %.03345, 1
  %20 = add nsw i32 %.02947, 1
  br label %21

21:                                               ; preds = %.lr.ph, %18
  %.134 = phi i32 [ %19, %18 ], [ %.03345, %.lr.ph ]
  %.132 = phi i32 [ 0, %18 ], [ %16, %.lr.ph ]
  %.130 = phi i32 [ %20, %18 ], [ %.02947, %.lr.ph ]
  %.228 = phi i32 [ 0, %18 ], [ %.127, %.lr.ph ]
  %.2 = phi i32 [ 0, %18 ], [ %.1, %.lr.ph ]
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %22 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  %23 = icmp ugt i64 %22, %indvars.iv.next
  br i1 %23, label %.lr.ph, label %._crit_edge, !llvm.loop !8

24:                                               ; preds = %._crit_edge
  %25 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %.preheader unwind label %26

26:                                               ; preds = %24, %._crit_edge
  %27 = landingpad { ptr, i32 }
          cleanup
  br label %41

.preheader:                                       ; preds = %24, %38
  %indvars.iv54 = phi i64 [ %indvars.iv.next55, %38 ], [ 0, %24 ]
  %.23551 = phi i32 [ %.3, %38 ], [ %.033.lcssa, %24 ]
  %28 = getelementptr inbounds [1000 x [1000 x i8]], ptr %1, i64 0, i64 %indvars.iv54
  %29 = load i8, ptr %28, align 8, !tbaa !5
  switch i8 %29, label %38 [
    i8 76, label %30
    i8 82, label %30
  ]

30:                                               ; preds = %.preheader, %.preheader
  %31 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull %28)
          to label %32 unwind label %36

32:                                               ; preds = %30
  %33 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %31, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %34 unwind label %36

34:                                               ; preds = %32
  %35 = add nsw i32 %.23551, -1
  br label %38

36:                                               ; preds = %32, %30
  %37 = landingpad { ptr, i32 }
          cleanup
  br label %41

38:                                               ; preds = %.preheader, %34
  %.3 = phi i32 [ %35, %34 ], [ %.23551, %.preheader ]
  %39 = icmp eq i32 %.3, 0
  %indvars.iv.next55 = add nuw nsw i64 %indvars.iv54, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next55, 1000
  %or.cond = select i1 %39, i1 true, i1 %exitcond.not
  br i1 %or.cond, label %40, label %.preheader, !llvm.loop !10

40:                                               ; preds = %38
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 1000000, ptr nonnull %1) #6
  ret i32 0

41:                                               ; preds = %26, %36, %6
  %.pn.pn = phi { ptr, i32 } [ %7, %6 ], [ %37, %36 ], [ %27, %26 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 1000000, ptr nonnull %1) #6
  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(...)

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

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #3

; 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 #4 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)) #5

; 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 #5

; 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 norecurse 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 = { 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 = { 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: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass