; LLVM IR from AdarshGaur/Competitive-Programming :: Codeforces/Codeforces Round #604 (Div. 2)/A. Beautiful String.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::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::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" }

@_Z1sB5cxx11 = external dso_local global %"class.std::__cxx11::basic_string", align 8
@n = external dso_local global i64, align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.2 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z10assigncharlll(i64 noundef, i64 noundef, i64 noundef) #0

; 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) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev() #0 {
  %1 = alloca i64, align 8
  %2 = alloca i64, align 8
  %3 = alloca i32, align 4
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  %7 = call 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) @_Z1sB5cxx11)
  %8 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) @_Z1sB5cxx11) #5
  store i64 %8, ptr @n, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %1) #5
  store i64 0, ptr %1, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #5
  store i64 0, ptr %2, align 8, !tbaa !5
  br label %9

9:                                                ; preds = %23, %0
  %10 = load i64, ptr %2, align 8, !tbaa !5
  %11 = load i64, ptr @n, align 8, !tbaa !5
  %12 = icmp slt i64 %10, %11
  br i1 %12, label %14, label %13

13:                                               ; preds = %9
  store i32 2, ptr %3, align 4
  br label %26

14:                                               ; preds = %9
  %15 = load i64, ptr %2, align 8, !tbaa !5
  %16 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) @_Z1sB5cxx11, i64 noundef %15)
  %17 = load i8, ptr %16, align 1, !tbaa !9
  %18 = sext i8 %17 to i32
  %19 = icmp ne i32 %18, 63
  br i1 %19, label %20, label %22

20:                                               ; preds = %14
  %21 = load i64, ptr %2, align 8, !tbaa !5
  store i64 %21, ptr %1, align 8, !tbaa !5
  store i32 2, ptr %3, align 4
  br label %26

22:                                               ; preds = %14
  br label %23

23:                                               ; preds = %22
  %24 = load i64, ptr %2, align 8, !tbaa !5
  %25 = add nsw i64 %24, 1
  store i64 %25, ptr %2, align 8, !tbaa !5
  br label %9, !llvm.loop !10

26:                                               ; preds = %20, %13
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  br label %27

27:                                               ; preds = %26
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #5
  %28 = load i64, ptr %1, align 8, !tbaa !5
  %29 = add nsw i64 %28, 1
  store i64 %29, ptr %4, align 8, !tbaa !5
  br label %30

30:                                               ; preds = %48, %27
  %31 = load i64, ptr %4, align 8, !tbaa !5
  %32 = load i64, ptr @n, align 8, !tbaa !5
  %33 = icmp slt i64 %31, %32
  br i1 %33, label %35, label %34

34:                                               ; preds = %30
  store i32 5, ptr %3, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #5
  br label %51

35:                                               ; preds = %30
  %36 = load i64, ptr %4, align 8, !tbaa !5
  %37 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) @_Z1sB5cxx11, i64 noundef %36)
  %38 = load i8, ptr %37, align 1, !tbaa !9
  %39 = sext i8 %38 to i32
  %40 = icmp eq i32 %39, 63
  br i1 %40, label %41, label %47

41:                                               ; preds = %35
  %42 = load i64, ptr %4, align 8, !tbaa !5
  %43 = sub nsw i64 %42, 1
  %44 = load i64, ptr %4, align 8, !tbaa !5
  %45 = load i64, ptr %4, align 8, !tbaa !5
  %46 = add nsw i64 %45, 1
  call void @_Z10assigncharlll(i64 noundef %43, i64 noundef %44, i64 noundef %46)
  br label %47

47:                                               ; preds = %41, %35
  br label %48

48:                                               ; preds = %47
  %49 = load i64, ptr %4, align 8, !tbaa !5
  %50 = add nsw i64 %49, 1
  store i64 %50, ptr %4, align 8, !tbaa !5
  br label %30, !llvm.loop !12

51:                                               ; preds = %34
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #5
  %52 = load i64, ptr %1, align 8, !tbaa !5
  store i64 %52, ptr %5, align 8, !tbaa !5
  br label %53

53:                                               ; preds = %70, %51
  %54 = load i64, ptr %5, align 8, !tbaa !5
  %55 = icmp sge i64 %54, 0
  br i1 %55, label %57, label %56

56:                                               ; preds = %53
  store i32 8, ptr %3, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  br label %73

57:                                               ; preds = %53
  %58 = load i64, ptr %5, align 8, !tbaa !5
  %59 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) @_Z1sB5cxx11, i64 noundef %58)
  %60 = load i8, ptr %59, align 1, !tbaa !9
  %61 = sext i8 %60 to i32
  %62 = icmp eq i32 %61, 63
  br i1 %62, label %63, label %69

63:                                               ; preds = %57
  %64 = load i64, ptr %5, align 8, !tbaa !5
  %65 = add nsw i64 %64, 1
  %66 = load i64, ptr %5, align 8, !tbaa !5
  %67 = load i64, ptr %5, align 8, !tbaa !5
  %68 = sub nsw i64 %67, 1
  call void @_Z10assigncharlll(i64 noundef %65, i64 noundef %66, i64 noundef %68)
  br label %69

69:                                               ; preds = %63, %57
  br label %70

70:                                               ; preds = %69
  %71 = load i64, ptr %5, align 8, !tbaa !5
  %72 = add nsw i64 %71, -1
  store i64 %72, ptr %5, align 8, !tbaa !5
  br label %53, !llvm.loop !13

73:                                               ; preds = %56
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #5
  store i64 1, ptr %6, align 8, !tbaa !5
  br label %74

74:                                               ; preds = %93, %73
  %75 = load i64, ptr %6, align 8, !tbaa !5
  %76 = load i64, ptr @n, align 8, !tbaa !5
  %77 = icmp slt i64 %75, %76
  br i1 %77, label %79, label %78

78:                                               ; preds = %74
  store i32 11, ptr %3, align 4
  br label %96

79:                                               ; preds = %74
  %80 = load i64, ptr %6, align 8, !tbaa !5
  %81 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) @_Z1sB5cxx11, i64 noundef %80)
  %82 = load i8, ptr %81, align 1, !tbaa !9
  %83 = sext i8 %82 to i32
  %84 = load i64, ptr %6, align 8, !tbaa !5
  %85 = sub nsw i64 %84, 1
  %86 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) @_Z1sB5cxx11, i64 noundef %85)
  %87 = load i8, ptr %86, align 1, !tbaa !9
  %88 = sext i8 %87 to i32
  %89 = icmp eq i32 %83, %88
  br i1 %89, label %90, label %92

90:                                               ; preds = %79
  %91 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32) @_Z1sB5cxx11, ptr noundef @.str)
  store i32 11, ptr %3, align 4
  br label %96

92:                                               ; preds = %79
  br label %93

93:                                               ; preds = %92
  %94 = load i64, ptr %6, align 8, !tbaa !5
  %95 = add nsw i64 %94, 1
  store i64 %95, ptr %6, align 8, !tbaa !5
  br label %74, !llvm.loop !14

96:                                               ; preds = %90, %78
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  br label %97

97:                                               ; preds = %96
  %98 = call 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) @_Z1sB5cxx11)
  %99 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %98, ptr noundef @.str.2)
  call void @llvm.lifetime.end.p0(i64 8, ptr %1) #5
  ret void
}

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)) #2

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

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) #0 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

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 nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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}
!13 = distinct !{!13, !11}
!14 = distinct !{!14, !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::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::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" }

@_Z1sB5cxx11 = external dso_local global %"class.std::__cxx11::basic_string", align 8
@n = external dso_local local_unnamed_addr global i64, align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.2 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z10assigncharlll(i64 noundef, i64 noundef, i64 noundef) local_unnamed_addr #0

; 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 #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev() local_unnamed_addr #0 {
  %1 = tail call 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) @_Z1sB5cxx11)
  %2 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) @_Z1sB5cxx11) #4
  store i64 %2, ptr @n, align 8, !tbaa !5
  %3 = icmp sgt i64 %2, 0
  br i1 %3, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %0, %6
  %.02427 = phi i64 [ %7, %6 ], [ 0, %0 ]
  %4 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) @_Z1sB5cxx11, i64 noundef %.02427)
  %5 = load i8, ptr %4, align 1, !tbaa !9
  %.not = icmp eq i8 %5, 63
  %.pre.pre = load i64, ptr @n, align 8, !tbaa !5
  br i1 %.not, label %6, label %._crit_edge

6:                                                ; preds = %.lr.ph
  %7 = add nuw nsw i64 %.02427, 1
  %8 = icmp slt i64 %7, %.pre.pre
  br i1 %8, label %.lr.ph, label %._crit_edge, !llvm.loop !10

._crit_edge:                                      ; preds = %6, %.lr.ph, %0
  %9 = phi i64 [ %2, %0 ], [ %.pre.pre, %.lr.ph ], [ %.pre.pre, %6 ]
  %.025 = phi i64 [ 0, %0 ], [ 0, %6 ], [ %.02427, %.lr.ph ]
  %.02330 = add nuw nsw i64 %.025, 1
  %10 = icmp slt i64 %.02330, %9
  br i1 %10, label %.lr.ph34, label %.lr.ph36.preheader

.lr.ph36.preheader:                               ; preds = %16, %._crit_edge
  br label %.lr.ph36

.lr.ph34:                                         ; preds = %._crit_edge, %16
  %.02332 = phi i64 [ %.023, %16 ], [ %.02330, %._crit_edge ]
  %.023.in31 = phi i64 [ %.02332, %16 ], [ %.025, %._crit_edge ]
  %11 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) @_Z1sB5cxx11, i64 noundef %.02332)
  %12 = load i8, ptr %11, align 1, !tbaa !9
  %13 = icmp eq i8 %12, 63
  br i1 %13, label %14, label %16

14:                                               ; preds = %.lr.ph34
  %15 = add nuw nsw i64 %.023.in31, 2
  tail call void @_Z10assigncharlll(i64 noundef %.023.in31, i64 noundef %.02332, i64 noundef %15)
  br label %16

16:                                               ; preds = %.lr.ph34, %14
  %.023 = add nuw nsw i64 %.02332, 1
  %17 = load i64, ptr @n, align 8, !tbaa !5
  %18 = icmp slt i64 %.023, %17
  br i1 %18, label %.lr.ph34, label %.lr.ph36.preheader, !llvm.loop !12

.preheader:                                       ; preds = %26
  %.pre39 = load i64, ptr @n, align 8, !tbaa !5
  %19 = icmp sgt i64 %.pre39, 1
  br i1 %19, label %.lr.ph38, label %.loopexit

.lr.ph36:                                         ; preds = %.lr.ph36.preheader, %26
  %.02235 = phi i64 [ %.pre-phi, %26 ], [ %.025, %.lr.ph36.preheader ]
  %20 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) @_Z1sB5cxx11, i64 noundef %.02235)
  %21 = load i8, ptr %20, align 1, !tbaa !9
  %22 = icmp eq i8 %21, 63
  br i1 %22, label %23, label %.lr.ph36._crit_edge

.lr.ph36._crit_edge:                              ; preds = %.lr.ph36
  %.pre = add nsw i64 %.02235, -1
  br label %26

23:                                               ; preds = %.lr.ph36
  %24 = add nuw nsw i64 %.02235, 1
  %25 = add nsw i64 %.02235, -1
  tail call void @_Z10assigncharlll(i64 noundef %24, i64 noundef %.02235, i64 noundef %25)
  br label %26

26:                                               ; preds = %.lr.ph36._crit_edge, %23
  %.pre-phi = phi i64 [ %.pre, %.lr.ph36._crit_edge ], [ %25, %23 ]
  %27 = icmp sgt i64 %.02235, 0
  br i1 %27, label %.lr.ph36, label %.preheader, !llvm.loop !13

28:                                               ; preds = %.lr.ph38
  %29 = add nuw nsw i64 %.037, 1
  %30 = load i64, ptr @n, align 8, !tbaa !5
  %31 = icmp slt i64 %29, %30
  br i1 %31, label %.lr.ph38, label %.loopexit, !llvm.loop !14

.lr.ph38:                                         ; preds = %.preheader, %28
  %.037 = phi i64 [ %29, %28 ], [ 1, %.preheader ]
  %32 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) @_Z1sB5cxx11, i64 noundef %.037)
  %33 = load i8, ptr %32, align 1, !tbaa !9
  %34 = add nsw i64 %.037, -1
  %35 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) @_Z1sB5cxx11, i64 noundef %34)
  %36 = load i8, ptr %35, align 1, !tbaa !9
  %37 = icmp eq i8 %33, %36
  br i1 %37, label %38, label %28

38:                                               ; preds = %.lr.ph38
  %39 = tail call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32) @_Z1sB5cxx11, ptr noundef nonnull @.str)
  br label %.loopexit

.loopexit:                                        ; preds = %28, %.preheader, %38
  %40 = tail call 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) @_Z1sB5cxx11)
  %41 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %40, ptr noundef nonnull @.str.2)
  ret void
}

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 #2

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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) local_unnamed_addr #0 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 #3

; 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 #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 nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { 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 #4 = { 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}
!13 = distinct !{!13, !11}
!14 = distinct !{!14, !11}


; Effective O3 passes: BDCEPass,GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SCCPPass,SROAPass,SimplifyCFGPass,TailCallElimPass