; LLVM IR from AdarshGaur/Competitive-Programming :: Algorithm Library/Strings (Manacher's Algorihtm)

; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z15evenPalindromesRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8 %0, ptr noundef nonnull align 8 dereferenceable(32) %1) #2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i1, align 1
  %7 = alloca %"class.std::allocator", align 1
  %8 = alloca ptr, align 8
  %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
  %14 = alloca i32, align 4
  store ptr %0, ptr %3, align 8
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  %15 = load ptr, ptr %4, align 8, !tbaa !5
  %16 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %15) #4
  %17 = trunc i64 %16 to i32
  store i32 %17, ptr %5, align 4, !tbaa !9
  store i1 false, ptr %6, align 1
  %18 = load i32, ptr %5, align 4, !tbaa !9
  %19 = sext i32 %18 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #4
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #4
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %19, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %20 unwind label %26

20:                                               ; preds = %2
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #4
  store i32 0, ptr %10, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #4
  store i32 -1, ptr %11, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #4
  store i32 0, ptr %12, align 4, !tbaa !9
  br label %21

21:                                               ; preds = %115, %20
  %22 = load i32, ptr %12, align 4, !tbaa !9
  %23 = load i32, ptr %5, align 4, !tbaa !9
  %24 = icmp slt i32 %22, %23
  br i1 %24, label %30, label %25

25:                                               ; preds = %21
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #4
  br label %118

26:                                               ; preds = %2
  %27 = landingpad { ptr, i32 }
          cleanup
  %28 = extractvalue { ptr, i32 } %27, 0
  store ptr %28, ptr %8, align 8
  %29 = extractvalue { ptr, i32 } %27, 1
  store i32 %29, ptr %9, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #4
  br label %122

30:                                               ; preds = %21
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #4
  %31 = load i32, ptr %12, align 4, !tbaa !9
  %32 = load i32, ptr %11, align 4, !tbaa !9
  %33 = icmp sgt i32 %31, %32
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #4
  br i1 %33, label %34, label %35

34:                                               ; preds = %30
  br label %51

35:                                               ; preds = %30
  %36 = load i32, ptr %10, align 4, !tbaa !9
  %37 = load i32, ptr %11, align 4, !tbaa !9
  %38 = load i32, ptr %12, align 4, !tbaa !9
  %39 = sub nsw i32 %37, %38
  %40 = add nsw i32 %39, 1
  %41 = add nsw i32 %36, %40
  %42 = sext i32 %41 to i64
  %43 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %42) #4
  %44 = load i32, ptr %11, align 4, !tbaa !9
  %45 = load i32, ptr %12, align 4, !tbaa !9
  %46 = sub nsw i32 %44, %45
  %47 = add nsw i32 %46, 1
  store i32 %47, ptr %14, align 4, !tbaa !9
  %48 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %43, ptr noundef nonnull align 4 dereferenceable(4) %14)
          to label %49 unwind label %90

49:                                               ; preds = %35
  %50 = load i32, ptr %48, align 4, !tbaa !9
  br label %51

51:                                               ; preds = %49, %34
  %52 = phi i32 [ 0, %34 ], [ %50, %49 ]
  %53 = add nsw i32 %52, 1
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #4
  store i32 %53, ptr %13, align 4, !tbaa !9
  br label %54

54:                                               ; preds = %87, %51
  %55 = load i32, ptr %12, align 4, !tbaa !9
  %56 = load i32, ptr %13, align 4, !tbaa !9
  %57 = add nsw i32 %55, %56
  %58 = sub nsw i32 %57, 1
  %59 = load i32, ptr %5, align 4, !tbaa !9
  %60 = icmp slt i32 %58, %59
  br i1 %60, label %61, label %85

61:                                               ; preds = %54
  %62 = load i32, ptr %12, align 4, !tbaa !9
  %63 = load i32, ptr %13, align 4, !tbaa !9
  %64 = sub nsw i32 %62, %63
  %65 = icmp sge i32 %64, 0
  br i1 %65, label %66, label %85

66:                                               ; preds = %61
  %67 = load ptr, ptr %4, align 8, !tbaa !5
  %68 = load i32, ptr %12, align 4, !tbaa !9
  %69 = load i32, ptr %13, align 4, !tbaa !9
  %70 = add nsw i32 %68, %69
  %71 = sub nsw i32 %70, 1
  %72 = sext i32 %71 to i64
  %73 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %67, i64 noundef %72) #4
  %74 = load i8, ptr %73, align 1, !tbaa !11
  %75 = sext i8 %74 to i32
  %76 = load ptr, ptr %4, align 8, !tbaa !5
  %77 = load i32, ptr %12, align 4, !tbaa !9
  %78 = load i32, ptr %13, align 4, !tbaa !9
  %79 = sub nsw i32 %77, %78
  %80 = sext i32 %79 to i64
  %81 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %76, i64 noundef %80) #4
  %82 = load i8, ptr %81, align 1, !tbaa !11
  %83 = sext i8 %82 to i32
  %84 = icmp eq i32 %75, %83
  br label %85

85:                                               ; preds = %66, %61, %54
  %86 = phi i1 [ false, %61 ], [ false, %54 ], [ %84, %66 ]
  br i1 %86, label %87, label %94

87:                                               ; preds = %85
  %88 = load i32, ptr %13, align 4, !tbaa !9
  %89 = add nsw i32 %88, 1
  store i32 %89, ptr %13, align 4, !tbaa !9
  br label %54, !llvm.loop !12

90:                                               ; preds = %35
  %91 = landingpad { ptr, i32 }
          cleanup
  %92 = extractvalue { ptr, i32 } %91, 0
  store ptr %92, ptr %8, align 8
  %93 = extractvalue { ptr, i32 } %91, 1
  store i32 %93, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  br label %122

94:                                               ; preds = %85
  %95 = load i32, ptr %13, align 4, !tbaa !9
  %96 = add nsw i32 %95, -1
  store i32 %96, ptr %13, align 4, !tbaa !9
  %97 = load i32, ptr %12, align 4, !tbaa !9
  %98 = sext i32 %97 to i64
  %99 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %98) #4
  store i32 %96, ptr %99, align 4, !tbaa !9
  %100 = load i32, ptr %12, align 4, !tbaa !9
  %101 = load i32, ptr %13, align 4, !tbaa !9
  %102 = add nsw i32 %100, %101
  %103 = sub nsw i32 %102, 1
  %104 = load i32, ptr %11, align 4, !tbaa !9
  %105 = icmp sgt i32 %103, %104
  br i1 %105, label %106, label %114

106:                                              ; preds = %94
  %107 = load i32, ptr %12, align 4, !tbaa !9
  %108 = load i32, ptr %13, align 4, !tbaa !9
  %109 = sub nsw i32 %107, %108
  store i32 %109, ptr %10, align 4, !tbaa !9
  %110 = load i32, ptr %12, align 4, !tbaa !9
  %111 = load i32, ptr %13, align 4, !tbaa !9
  %112 = add nsw i32 %110, %111
  %113 = sub nsw i32 %112, 1
  store i32 %113, ptr %11, align 4, !tbaa !9
  br label %114

114:                                              ; preds = %106, %94
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #4
  br label %115

115:                                              ; preds = %114
  %116 = load i32, ptr %12, align 4, !tbaa !9
  %117 = add nsw i32 %116, 1
  store i32 %117, ptr %12, align 4, !tbaa !9
  br label %21, !llvm.loop !14

118:                                              ; preds = %25
  store i1 true, ptr %6, align 1
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #4
  %119 = load i1, ptr %6, align 1
  br i1 %119, label %121, label %120

120:                                              ; preds = %118
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  br label %121

121:                                              ; preds = %120, %118
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  ret void

122:                                              ; preds = %90, %26
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  br label %123

123:                                              ; preds = %122
  %124 = load ptr, ptr %8, align 8
  %125 = load i32, ptr %9, align 4
  %126 = insertvalue { ptr, i32 } poison, ptr %124, 0
  %127 = insertvalue { ptr, i32 } %126, i32 %125, 1
  resume { ptr, i32 } %127
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 #3 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!7, !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = distinct !{!14, !13}


; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; 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 nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__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 @_Z15evenPalindromesRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8 %0, ptr noundef nonnull align 8 dereferenceable(32) %1) local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::allocator", align 1
  %4 = alloca i32, align 4
  %5 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #5
  %6 = trunc i64 %5 to i32
  %sext = shl i64 %5, 32
  %7 = ashr exact i64 %sext, 32
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %3) #5
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #5
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %7, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %8 unwind label %10

8:                                                ; preds = %2
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #5
  %9 = icmp sgt i32 %6, 0
  br i1 %9, label %.lr.ph.preheader, label %._crit_edge

.lr.ph.preheader:                                 ; preds = %8
  %wide.trip.count = and i64 %5, 2147483647
  br label %.lr.ph

10:                                               ; preds = %2
  %11 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #5
  resume { ptr, i32 } %11

.lr.ph:                                           ; preds = %.lr.ph.preheader, %.critedge
  %indvars.iv48 = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next49, %.critedge ]
  %.03645 = phi i32 [ -1, %.lr.ph.preheader ], [ %spec.select43, %.critedge ]
  %.03744 = phi i32 [ 0, %.lr.ph.preheader ], [ %spec.select, %.critedge ]
  %12 = sext i32 %.03645 to i64
  %13 = icmp sgt i64 %indvars.iv48, %12
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #5
  br i1 %13, label %23, label %14

14:                                               ; preds = %.lr.ph
  %15 = trunc nuw nsw i64 %indvars.iv48 to i32
  %16 = sub nsw i32 %.03645, %15
  %17 = add nsw i32 %16, 1
  %18 = add nsw i32 %17, %.03744
  %19 = sext i32 %18 to i64
  %20 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %19) #5
  store i32 %17, ptr %4, align 4, !tbaa !5
  %21 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %20, ptr noundef nonnull align 4 dereferenceable(4) %4)
  %22 = load i32, ptr %21, align 4, !tbaa !5
  br label %23

23:                                               ; preds = %.lr.ph, %14
  %24 = phi i32 [ %22, %14 ], [ 0, %.lr.ph ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #5
  %25 = sext i32 %24 to i64
  %26 = trunc nuw nsw i64 %indvars.iv48 to i32
  br label %27

27:                                               ; preds = %34, %23
  %indvars.iv = phi i64 [ %indvars.iv.next, %34 ], [ %25, %23 ]
  %indvars.iv.next = add nsw i64 %indvars.iv, 1
  %28 = trunc nsw i64 %indvars.iv to i32
  %29 = add i32 %28, %26
  %30 = icmp slt i32 %29, %6
  br i1 %30, label %31, label %.critedge

31:                                               ; preds = %27
  %32 = sub nsw i64 %indvars.iv48, %indvars.iv.next
  %33 = icmp sgt i64 %32, -1
  br i1 %33, label %34, label %.critedge

34:                                               ; preds = %31
  %35 = sext i32 %29 to i64
  %36 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %35) #5
  %37 = load i8, ptr %36, align 1, !tbaa !9
  %38 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %32) #5
  %39 = load i8, ptr %38, align 1, !tbaa !9
  %40 = icmp eq i8 %37, %39
  br i1 %40, label %27, label %.critedge, !llvm.loop !10

.critedge:                                        ; preds = %31, %27, %34
  %41 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %indvars.iv48) #5
  store i32 %28, ptr %41, align 4, !tbaa !5
  %42 = add nsw i32 %29, -1
  %43 = icmp sgt i32 %42, %.03645
  %44 = sub nsw i32 %26, %28
  %spec.select = select i1 %43, i32 %44, i32 %.03744
  %spec.select43 = call i32 @llvm.smax.i32(i32 %42, i32 %.03645)
  %indvars.iv.next49 = add nuw nsw i64 %indvars.iv48, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next49, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !12

._crit_edge:                                      ; preds = %.critedge, %8
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.smax.i32(i32, i32) #4

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 #3 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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}


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