; LLVM IR from Tudor67/Competitive-Programming :: AtCoder/ABC320 (B_sol4_manacher_O(N)_time_O(N)_extra_space)

; 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::allocator" = type { i8 }

; Function Attrs: mustprogress uwtable
define dso_local void @_Z8manacherRNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERSt6vectorIiSaIiEE(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(24) %1) #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::__cxx11::basic_string", align 8
  %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
  %15 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  %16 = load ptr, ptr %3, align 8, !tbaa !5
  %17 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %16) #4
  %18 = mul i64 2, %17
  %19 = add i64 %18, 1
  %20 = trunc i64 %19 to i32
  store i32 %20, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 32, ptr %6) #4
  %21 = load i32, ptr %5, align 4, !tbaa !9
  %22 = sext i32 %21 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEmcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %6, i64 noundef %22, i8 noundef signext 46, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %23 unwind label %29

23:                                               ; preds = %2
  call void @_ZNSt15__new_allocatorIcED2Ev(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 1, ptr %10, align 4, !tbaa !9
  br label %24

24:                                               ; preds = %45, %23
  %25 = load i32, ptr %10, align 4, !tbaa !9
  %26 = load i32, ptr %5, align 4, !tbaa !9
  %27 = icmp slt i32 %25, %26
  br i1 %27, label %33, label %28

28:                                               ; preds = %24
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #4
  br label %52

29:                                               ; preds = %2
  %30 = landingpad { ptr, i32 }
          cleanup
  %31 = extractvalue { ptr, i32 } %30, 0
  store ptr %31, ptr %8, align 8
  %32 = extractvalue { ptr, i32 } %30, 1
  store i32 %32, ptr %9, align 4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #4
  br label %188

33:                                               ; preds = %24
  %34 = load ptr, ptr %3, align 8, !tbaa !5
  %35 = load i32, ptr %10, align 4, !tbaa !9
  %36 = sdiv i32 %35, 2
  %37 = sext i32 %36 to i64
  %38 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %34, i64 noundef %37)
          to label %39 unwind label %48

39:                                               ; preds = %33
  %40 = load i8, ptr %38, align 1, !tbaa !11
  %41 = load i32, ptr %10, align 4, !tbaa !9
  %42 = sext i32 %41 to i64
  %43 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %6, i64 noundef %42)
          to label %44 unwind label %48

44:                                               ; preds = %39
  store i8 %40, ptr %43, align 1, !tbaa !11
  br label %45

45:                                               ; preds = %44
  %46 = load i32, ptr %10, align 4, !tbaa !9
  %47 = add nsw i32 %46, 2
  store i32 %47, ptr %10, align 4, !tbaa !9
  br label %24, !llvm.loop !12

48:                                               ; preds = %39, %33
  %49 = landingpad { ptr, i32 }
          cleanup
  %50 = extractvalue { ptr, i32 } %49, 0
  store ptr %50, ptr %8, align 8
  %51 = extractvalue { ptr, i32 } %49, 1
  store i32 %51, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #4
  br label %187

52:                                               ; preds = %28
  %53 = load ptr, ptr %4, align 8, !tbaa !5
  %54 = load i32, ptr %5, align 4, !tbaa !9
  %55 = sext i32 %54 to i64
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #4
  store i32 0, ptr %11, align 4, !tbaa !9
  invoke void @_ZNSt6vectorIiSaIiEE6assignEmRKi(ptr noundef nonnull align 8 dereferenceable(24) %53, i64 noundef %55, ptr noundef nonnull align 4 dereferenceable(4) %11)
          to label %56 unwind label %62

56:                                               ; preds = %52
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #4
  store i32 0, ptr %12, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #4
  store i32 0, ptr %13, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #4
  store i32 0, ptr %14, align 4, !tbaa !9
  br label %57

57:                                               ; preds = %182, %56
  %58 = load i32, ptr %14, align 4, !tbaa !9
  %59 = load i32, ptr %5, align 4, !tbaa !9
  %60 = icmp slt i32 %58, %59
  br i1 %60, label %66, label %61

61:                                               ; preds = %57
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #4
  br label %186

62:                                               ; preds = %52
  %63 = landingpad { ptr, i32 }
          cleanup
  %64 = extractvalue { ptr, i32 } %63, 0
  store ptr %64, ptr %8, align 8
  %65 = extractvalue { ptr, i32 } %63, 1
  store i32 %65, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  br label %187

66:                                               ; preds = %57
  %67 = load i32, ptr %14, align 4, !tbaa !9
  %68 = load i32, ptr %13, align 4, !tbaa !9
  %69 = icmp sle i32 %67, %68
  br i1 %69, label %70, label %94

70:                                               ; preds = %66
  %71 = load ptr, ptr %4, align 8, !tbaa !5
  %72 = load i32, ptr %12, align 4, !tbaa !9
  %73 = load i32, ptr %13, align 4, !tbaa !9
  %74 = load i32, ptr %14, align 4, !tbaa !9
  %75 = sub nsw i32 %73, %74
  %76 = add nsw i32 %72, %75
  %77 = sext i32 %76 to i64
  %78 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %71, i64 noundef %77) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #4
  %79 = load i32, ptr %13, align 4, !tbaa !9
  %80 = load i32, ptr %14, align 4, !tbaa !9
  %81 = sub nsw i32 %79, %80
  %82 = add nsw i32 %81, 1
  store i32 %82, ptr %15, align 4, !tbaa !9
  %83 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %78, ptr noundef nonnull align 4 dereferenceable(4) %15)
          to label %84 unwind label %90

84:                                               ; preds = %70
  %85 = load i32, ptr %83, align 4, !tbaa !9
  %86 = load ptr, ptr %4, align 8, !tbaa !5
  %87 = load i32, ptr %14, align 4, !tbaa !9
  %88 = sext i32 %87 to i64
  %89 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %86, i64 noundef %88) #4
  store i32 %85, ptr %89, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #4
  br label %94

90:                                               ; preds = %70
  %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 %15) #4
  br label %185

94:                                               ; preds = %84, %66
  br label %95

95:                                               ; preds = %142, %94
  %96 = load i32, ptr %14, align 4, !tbaa !9
  %97 = load ptr, ptr %4, align 8, !tbaa !5
  %98 = load i32, ptr %14, align 4, !tbaa !9
  %99 = sext i32 %98 to i64
  %100 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %97, i64 noundef %99) #4
  %101 = load i32, ptr %100, align 4, !tbaa !9
  %102 = sub nsw i32 %96, %101
  %103 = icmp sle i32 0, %102
  br i1 %103, label %104, label %140

104:                                              ; preds = %95
  %105 = load i32, ptr %14, align 4, !tbaa !9
  %106 = load ptr, ptr %4, align 8, !tbaa !5
  %107 = load i32, ptr %14, align 4, !tbaa !9
  %108 = sext i32 %107 to i64
  %109 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %106, i64 noundef %108) #4
  %110 = load i32, ptr %109, align 4, !tbaa !9
  %111 = add nsw i32 %105, %110
  %112 = load i32, ptr %5, align 4, !tbaa !9
  %113 = icmp slt i32 %111, %112
  br i1 %113, label %114, label %140

114:                                              ; preds = %104
  %115 = load i32, ptr %14, align 4, !tbaa !9
  %116 = load ptr, ptr %4, align 8, !tbaa !5
  %117 = load i32, ptr %14, align 4, !tbaa !9
  %118 = sext i32 %117 to i64
  %119 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %116, i64 noundef %118) #4
  %120 = load i32, ptr %119, align 4, !tbaa !9
  %121 = sub nsw i32 %115, %120
  %122 = sext i32 %121 to i64
  %123 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %6, i64 noundef %122)
          to label %124 unwind label %149

124:                                              ; preds = %114
  %125 = load i8, ptr %123, align 1, !tbaa !11
  %126 = sext i8 %125 to i32
  %127 = load i32, ptr %14, align 4, !tbaa !9
  %128 = load ptr, ptr %4, align 8, !tbaa !5
  %129 = load i32, ptr %14, align 4, !tbaa !9
  %130 = sext i32 %129 to i64
  %131 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %128, i64 noundef %130) #4
  %132 = load i32, ptr %131, align 4, !tbaa !9
  %133 = add nsw i32 %127, %132
  %134 = sext i32 %133 to i64
  %135 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %6, i64 noundef %134)
          to label %136 unwind label %149

136:                                              ; preds = %124
  %137 = load i8, ptr %135, align 1, !tbaa !11
  %138 = sext i8 %137 to i32
  %139 = icmp eq i32 %126, %138
  br label %140

140:                                              ; preds = %136, %104, %95
  %141 = phi i1 [ false, %104 ], [ false, %95 ], [ %139, %136 ]
  br i1 %141, label %142, label %153

142:                                              ; preds = %140
  %143 = load ptr, ptr %4, align 8, !tbaa !5
  %144 = load i32, ptr %14, align 4, !tbaa !9
  %145 = sext i32 %144 to i64
  %146 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %143, i64 noundef %145) #4
  %147 = load i32, ptr %146, align 4, !tbaa !9
  %148 = add nsw i32 %147, 1
  store i32 %148, ptr %146, align 4, !tbaa !9
  br label %95, !llvm.loop !14

149:                                              ; preds = %124, %114
  %150 = landingpad { ptr, i32 }
          cleanup
  %151 = extractvalue { ptr, i32 } %150, 0
  store ptr %151, ptr %8, align 8
  %152 = extractvalue { ptr, i32 } %150, 1
  store i32 %152, ptr %9, align 4
  br label %185

153:                                              ; preds = %140
  %154 = load i32, ptr %14, align 4, !tbaa !9
  %155 = load ptr, ptr %4, align 8, !tbaa !5
  %156 = load i32, ptr %14, align 4, !tbaa !9
  %157 = sext i32 %156 to i64
  %158 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %155, i64 noundef %157) #4
  %159 = load i32, ptr %158, align 4, !tbaa !9
  %160 = add nsw i32 %154, %159
  %161 = sub nsw i32 %160, 1
  %162 = load i32, ptr %13, align 4, !tbaa !9
  %163 = icmp sge i32 %161, %162
  br i1 %163, label %164, label %181

164:                                              ; preds = %153
  %165 = load i32, ptr %14, align 4, !tbaa !9
  %166 = load ptr, ptr %4, align 8, !tbaa !5
  %167 = load i32, ptr %14, align 4, !tbaa !9
  %168 = sext i32 %167 to i64
  %169 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %166, i64 noundef %168) #4
  %170 = load i32, ptr %169, align 4, !tbaa !9
  %171 = sub nsw i32 %165, %170
  %172 = add nsw i32 %171, 1
  store i32 %172, ptr %12, align 4, !tbaa !9
  %173 = load i32, ptr %14, align 4, !tbaa !9
  %174 = load ptr, ptr %4, align 8, !tbaa !5
  %175 = load i32, ptr %14, align 4, !tbaa !9
  %176 = sext i32 %175 to i64
  %177 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %174, i64 noundef %176) #4
  %178 = load i32, ptr %177, align 4, !tbaa !9
  %179 = add nsw i32 %173, %178
  %180 = sub nsw i32 %179, 1
  store i32 %180, ptr %13, align 4, !tbaa !9
  br label %181

181:                                              ; preds = %164, %153
  br label %182

182:                                              ; preds = %181
  %183 = load i32, ptr %14, align 4, !tbaa !9
  %184 = add nsw i32 %183, 1
  store i32 %184, ptr %14, align 4, !tbaa !9
  br label %57, !llvm.loop !15

185:                                              ; preds = %149, %90
  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
  br label %187

186:                                              ; preds = %61
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  ret void

187:                                              ; preds = %185, %62, %48
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #4
  br label %188

188:                                              ; preds = %187, %29
  call void @llvm.lifetime.end.p0(i64 32, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  br label %189

189:                                              ; preds = %188
  %190 = load ptr, ptr %8, align 8
  %191 = load i32, ptr %9, align 4
  %192 = insertvalue { ptr, i32 } poison, ptr %190, 0
  %193 = insertvalue { ptr, i32 } %192, i32 %191, 1
  resume { ptr, i32 } %193
}

; 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 noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEmcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef, i8 noundef signext, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 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) #1

; 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: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE6assignEmRKi(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 4 dereferenceable(4)) #0 align 2

; 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) #2 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) 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 = { 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}
!15 = distinct !{!15, !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::__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::allocator" = type { i8 }

; Function Attrs: mustprogress uwtable
define dso_local void @_Z8manacherRNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERSt6vectorIiSaIiEE(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(24) %1) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca %"class.std::allocator", align 1
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  %.tr = trunc i64 %7 to i32
  %8 = shl i32 %.tr, 1
  %9 = or disjoint i32 %8, 1
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #4
  %10 = sext i32 %9 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEmcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %10, i8 noundef signext 46, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %11 unwind label %12

11:                                               ; preds = %2
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #4
  %.not62 = icmp slt i32 %8, 1
  br i1 %.not62, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %11
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #4
  store i32 0, ptr %5, align 4, !tbaa !5
  invoke void @_ZNSt6vectorIiSaIiEE6assignEmRKi(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %10, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %19 unwind label %21

12:                                               ; preds = %2
  %13 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #4
  br label %77

.lr.ph:                                           ; preds = %11, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 1, %11 ]
  %14 = lshr i64 %indvars.iv, 1
  %15 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %14)
  %16 = load i8, ptr %15, align 1, !tbaa !9
  %17 = 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 %16, ptr %17, align 1, !tbaa !9
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 2
  %18 = trunc nuw i64 %indvars.iv.next to i32
  %.not = icmp slt i32 %8, %18
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !10

19:                                               ; preds = %._crit_edge
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #4
  %.not5771 = icmp slt i32 %8, 0
  br i1 %.not5771, label %._crit_edge77, label %.lr.ph76.preheader

.lr.ph76.preheader:                               ; preds = %19
  %20 = or disjoint i32 %8, 1
  %wide.trip.count = zext nneg i32 %20 to i64
  br label %.lr.ph76

._crit_edge77:                                    ; preds = %76, %19
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #4
  ret void

21:                                               ; preds = %._crit_edge
  %22 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #4
  br label %77

.lr.ph76:                                         ; preds = %.lr.ph76.preheader, %76
  %indvars.iv79 = phi i64 [ 0, %.lr.ph76.preheader ], [ %indvars.iv.next80.pre-phi, %76 ]
  %.04973 = phi i32 [ 0, %.lr.ph76.preheader ], [ %.1, %76 ]
  %.05072 = phi i32 [ 0, %.lr.ph76.preheader ], [ %.151, %76 ]
  %23 = sext i32 %.04973 to i64
  %.not58 = icmp sgt i64 %indvars.iv79, %23
  br i1 %.not58, label %34, label %24

24:                                               ; preds = %.lr.ph76
  %25 = trunc nuw nsw i64 %indvars.iv79 to i32
  %26 = sub nsw i32 %.04973, %25
  %27 = add nsw i32 %26, %.05072
  %28 = sext i32 %27 to i64
  %29 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %28) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #4
  %30 = add nsw i32 %26, 1
  store i32 %30, ptr %6, align 4, !tbaa !5
  %31 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %29, ptr noundef nonnull align 4 dereferenceable(4) %6)
  %32 = load i32, ptr %31, align 4, !tbaa !5
  %33 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %indvars.iv79) #4
  store i32 %32, ptr %33, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #4
  br label %34

34:                                               ; preds = %24, %.lr.ph76
  %35 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %indvars.iv79) #4
  %36 = load i32, ptr %35, align 4, !tbaa !5
  %37 = sext i32 %36 to i64
  %.not5964 = icmp slt i64 %indvars.iv79, %37
  %.pre = trunc nuw nsw i64 %indvars.iv79 to i32
  br i1 %.not5964, label %.critedge, label %.lr.ph66

.lr.ph66:                                         ; preds = %34, %55
  %38 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %indvars.iv79) #4
  %39 = load i32, ptr %38, align 4, !tbaa !5
  %40 = add nsw i32 %39, %.pre
  %.not60 = icmp sgt i32 %40, %8
  br i1 %.not60, label %.critedge, label %41

41:                                               ; preds = %.lr.ph66
  %42 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %indvars.iv79) #4
  %43 = load i32, ptr %42, align 4, !tbaa !5
  %44 = sub nsw i32 %.pre, %43
  %45 = sext i32 %44 to i64
  %46 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %45)
  %47 = load i8, ptr %46, align 1, !tbaa !9
  %48 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %indvars.iv79) #4
  %49 = load i32, ptr %48, align 4, !tbaa !5
  %50 = add nsw i32 %49, %.pre
  %51 = sext i32 %50 to i64
  %52 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %51)
  %53 = load i8, ptr %52, align 1, !tbaa !9
  %54 = icmp eq i8 %47, %53
  br i1 %54, label %55, label %.critedge

55:                                               ; preds = %41
  %56 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %indvars.iv79) #4
  %57 = load i32, ptr %56, align 4, !tbaa !5
  %58 = add nsw i32 %57, 1
  store i32 %58, ptr %56, align 4, !tbaa !5
  %59 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %indvars.iv79) #4
  %60 = load i32, ptr %59, align 4, !tbaa !5
  %61 = sext i32 %60 to i64
  %.not59 = icmp slt i64 %indvars.iv79, %61
  br i1 %.not59, label %.critedge, label %.lr.ph66, !llvm.loop !12

.critedge:                                        ; preds = %41, %55, %.lr.ph66, %34
  %62 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %indvars.iv79) #4
  %63 = load i32, ptr %62, align 4, !tbaa !5
  %64 = add nsw i32 %63, %.pre
  %.not61.not = icmp sgt i32 %64, %.04973
  br i1 %.not61.not, label %65, label %.critedge._crit_edge

.critedge._crit_edge:                             ; preds = %.critedge
  %.pre82 = add nuw nsw i64 %indvars.iv79, 1
  br label %76

65:                                               ; preds = %.critedge
  %66 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %indvars.iv79) #4
  %67 = load i32, ptr %66, align 4, !tbaa !5
  %68 = add nuw nsw i64 %indvars.iv79, 1
  %69 = trunc nuw nsw i64 %68 to i32
  %70 = sub i32 %69, %67
  %71 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %indvars.iv79) #4
  %72 = load i32, ptr %71, align 4, !tbaa !5
  %73 = trunc i64 %indvars.iv79 to i32
  %74 = add i32 %73, -1
  %75 = add i32 %74, %72
  br label %76

76:                                               ; preds = %.critedge._crit_edge, %65
  %indvars.iv.next80.pre-phi = phi i64 [ %.pre82, %.critedge._crit_edge ], [ %68, %65 ]
  %.151 = phi i32 [ %.05072, %.critedge._crit_edge ], [ %70, %65 ]
  %.1 = phi i32 [ %.04973, %.critedge._crit_edge ], [ %75, %65 ]
  %exitcond.not = icmp eq i64 %indvars.iv.next80.pre-phi, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge77, label %.lr.ph76, !llvm.loop !13

77:                                               ; preds = %21, %12
  %.pn = phi { ptr, i32 } [ %22, %21 ], [ %13, %12 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #4
  resume { ptr, i32 } %.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 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 void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEmcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef, i8 noundef signext, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 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) #1

; 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 uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE6assignEmRKi(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0 align 2

; 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 #2 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) 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 = { 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 = !{!"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}
!13 = distinct !{!13, !11}


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