; LLVM IR from sgtlaugh/algovault :: code_library/manacher.ll/Z8manacherRKNSt7 (cxx1112basic_stringIcSt11char_traitsIcESaIcEEE)

; 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: mustprogress uwtable
define dso_local void @_Z8manacherRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8 %0, ptr noundef nonnull align 8 dereferenceable(32) %1) #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, 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 i1, align 1
  %11 = alloca %"class.std::allocator", align 1
  %12 = alloca ptr, align 8
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  %16 = 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
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  %17 = load ptr, ptr %4, align 8, !tbaa !5
  %18 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %17) #4
  %19 = trunc i64 %18 to i32
  store i32 %19, ptr %8, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #4
  %20 = load i32, ptr %8, align 4, !tbaa !9
  %21 = shl i32 %20, 1
  store i32 %21, ptr %9, align 4, !tbaa !9
  store i1 false, ptr %10, align 1
  %22 = load i32, ptr %9, align 4, !tbaa !9
  %23 = sext i32 %22 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %11) #4
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #4
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %23, ptr noundef nonnull align 1 dereferenceable(1) %11)
          to label %24 unwind label %67

24:                                               ; preds = %2
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #4
  store i32 0, ptr %5, align 4, !tbaa !9
  store i32 0, ptr %6, align 4, !tbaa !9
  store i32 0, ptr %7, align 4, !tbaa !9
  br label %25

25:                                               ; preds = %136, %24
  %26 = load i32, ptr %5, align 4, !tbaa !9
  %27 = load i32, ptr %9, align 4, !tbaa !9
  %28 = icmp slt i32 %26, %27
  br i1 %28, label %29, label %145

29:                                               ; preds = %25
  br label %30

30:                                               ; preds = %64, %29
  %31 = load i32, ptr %6, align 4, !tbaa !9
  %32 = load i32, ptr %5, align 4, !tbaa !9
  %33 = icmp sle i32 %31, %32
  br i1 %33, label %34, label %62

34:                                               ; preds = %30
  %35 = load i32, ptr %5, align 4, !tbaa !9
  %36 = load i32, ptr %6, align 4, !tbaa !9
  %37 = add nsw i32 %35, %36
  %38 = add nsw i32 %37, 1
  %39 = load i32, ptr %9, align 4, !tbaa !9
  %40 = icmp slt i32 %38, %39
  br i1 %40, label %41, label %62

41:                                               ; preds = %34
  %42 = load ptr, ptr %4, align 8, !tbaa !5
  %43 = load i32, ptr %5, align 4, !tbaa !9
  %44 = load i32, ptr %6, align 4, !tbaa !9
  %45 = sub nsw i32 %43, %44
  %46 = ashr i32 %45, 1
  %47 = sext i32 %46 to i64
  %48 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %42, i64 noundef %47) #4
  %49 = load i8, ptr %48, align 1, !tbaa !11
  %50 = sext i8 %49 to i32
  %51 = load ptr, ptr %4, align 8, !tbaa !5
  %52 = load i32, ptr %5, align 4, !tbaa !9
  %53 = load i32, ptr %6, align 4, !tbaa !9
  %54 = add nsw i32 %52, %53
  %55 = add nsw i32 %54, 1
  %56 = ashr i32 %55, 1
  %57 = sext i32 %56 to i64
  %58 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %51, i64 noundef %57) #4
  %59 = load i8, ptr %58, align 1, !tbaa !11
  %60 = sext i8 %59 to i32
  %61 = icmp eq i32 %50, %60
  br label %62

62:                                               ; preds = %41, %34, %30
  %63 = phi i1 [ false, %34 ], [ false, %30 ], [ %61, %41 ]
  br i1 %63, label %64, label %71

64:                                               ; preds = %62
  %65 = load i32, ptr %6, align 4, !tbaa !9
  %66 = add nsw i32 %65, 1
  store i32 %66, ptr %6, align 4, !tbaa !9
  br label %30, !llvm.loop !12

67:                                               ; preds = %2
  %68 = landingpad { ptr, i32 }
          cleanup
  %69 = extractvalue { ptr, i32 } %68, 0
  store ptr %69, ptr %12, align 8
  %70 = extractvalue { ptr, i32 } %68, 1
  store i32 %70, ptr %13, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #4
  br label %150

71:                                               ; preds = %62
  store i32 1, ptr %7, align 4, !tbaa !9
  %72 = load i32, ptr %6, align 4, !tbaa !9
  %73 = load i32, ptr %5, align 4, !tbaa !9
  %74 = sext i32 %73 to i64
  %75 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %74) #4
  store i32 %72, ptr %75, align 4, !tbaa !9
  br label %76

76:                                               ; preds = %123, %71
  %77 = load i32, ptr %7, align 4, !tbaa !9
  %78 = load i32, ptr %5, align 4, !tbaa !9
  %79 = icmp sle i32 %77, %78
  br i1 %79, label %80, label %101

80:                                               ; preds = %76
  %81 = load i32, ptr %7, align 4, !tbaa !9
  %82 = load i32, ptr %5, align 4, !tbaa !9
  %83 = sext i32 %82 to i64
  %84 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %83) #4
  %85 = load i32, ptr %84, align 4, !tbaa !9
  %86 = icmp sle i32 %81, %85
  br i1 %86, label %87, label %101

87:                                               ; preds = %80
  %88 = load i32, ptr %5, align 4, !tbaa !9
  %89 = sext i32 %88 to i64
  %90 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %89) #4
  %91 = load i32, ptr %90, align 4, !tbaa !9
  %92 = load i32, ptr %7, align 4, !tbaa !9
  %93 = sub nsw i32 %91, %92
  %94 = load i32, ptr %5, align 4, !tbaa !9
  %95 = load i32, ptr %7, align 4, !tbaa !9
  %96 = sub nsw i32 %94, %95
  %97 = sext i32 %96 to i64
  %98 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %97) #4
  %99 = load i32, ptr %98, align 4, !tbaa !9
  %100 = icmp ne i32 %93, %99
  br label %101

101:                                              ; preds = %87, %80, %76
  %102 = phi i1 [ false, %80 ], [ false, %76 ], [ %100, %87 ]
  br i1 %102, label %103, label %130

103:                                              ; preds = %101
  %104 = load i32, ptr %5, align 4, !tbaa !9
  %105 = load i32, ptr %7, align 4, !tbaa !9
  %106 = sub nsw i32 %104, %105
  %107 = sext i32 %106 to i64
  %108 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %107) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #4
  %109 = load i32, ptr %5, align 4, !tbaa !9
  %110 = sext i32 %109 to i64
  %111 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %110) #4
  %112 = load i32, ptr %111, align 4, !tbaa !9
  %113 = load i32, ptr %7, align 4, !tbaa !9
  %114 = sub nsw i32 %112, %113
  store i32 %114, ptr %14, align 4, !tbaa !9
  %115 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %108, ptr noundef nonnull align 4 dereferenceable(4) %14)
          to label %116 unwind label %126

116:                                              ; preds = %103
  %117 = load i32, ptr %115, align 4, !tbaa !9
  %118 = load i32, ptr %5, align 4, !tbaa !9
  %119 = load i32, ptr %7, align 4, !tbaa !9
  %120 = add nsw i32 %118, %119
  %121 = sext i32 %120 to i64
  %122 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %121) #4
  store i32 %117, ptr %122, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #4
  br label %123

123:                                              ; preds = %116
  %124 = load i32, ptr %7, align 4, !tbaa !9
  %125 = add nsw i32 %124, 1
  store i32 %125, ptr %7, align 4, !tbaa !9
  br label %76, !llvm.loop !14

126:                                              ; preds = %103
  %127 = landingpad { ptr, i32 }
          cleanup
  %128 = extractvalue { ptr, i32 } %127, 0
  store ptr %128, ptr %12, align 8
  %129 = extractvalue { ptr, i32 } %127, 1
  store i32 %129, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #4
  br label %149

130:                                              ; preds = %101
  br label %131

131:                                              ; preds = %130
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #4
  store i32 0, ptr %15, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #4
  %132 = load i32, ptr %6, align 4, !tbaa !9
  %133 = load i32, ptr %7, align 4, !tbaa !9
  %134 = sub nsw i32 %132, %133
  store i32 %134, ptr %16, align 4, !tbaa !9
  %135 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %15, ptr noundef nonnull align 4 dereferenceable(4) %16)
          to label %136 unwind label %141

136:                                              ; preds = %131
  %137 = load i32, ptr %135, align 4, !tbaa !9
  store i32 %137, ptr %6, align 4, !tbaa !9
  %138 = load i32, ptr %7, align 4, !tbaa !9
  %139 = load i32, ptr %5, align 4, !tbaa !9
  %140 = add nsw i32 %139, %138
  store i32 %140, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #4
  br label %25, !llvm.loop !15

141:                                              ; preds = %131
  %142 = landingpad { ptr, i32 }
          cleanup
  %143 = extractvalue { ptr, i32 } %142, 0
  store ptr %143, ptr %12, align 8
  %144 = extractvalue { ptr, i32 } %142, 1
  store i32 %144, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #4
  br label %149

145:                                              ; preds = %25
  call void @_ZNSt6vectorIiSaIiEE8pop_backEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  store i1 true, ptr %10, align 1
  %146 = load i1, ptr %10, align 1
  br i1 %146, label %148, label %147

147:                                              ; preds = %145
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  br label %148

148:                                              ; preds = %147, %145
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  ret void

149:                                              ; preds = %141, %126
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  br label %150

150:                                              ; preds = %149, %67
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  br label %151

151:                                              ; preds = %150
  %152 = load ptr, ptr %12, align 8
  %153 = load i32, ptr %13, align 4
  %154 = insertvalue { ptr, i32 } poison, ptr %152, 0
  %155 = insertvalue { ptr, i32 } %154, i32 %153, 1
  resume { ptr, i32 } %155
}

; 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 dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 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 #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 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #2 align 2

; 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: 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: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_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 void @_ZNSt6vectorIiSaIiEE8pop_backEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(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::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 uwtable
define dso_local void @_Z8manacherRKNSt7__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 #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::allocator", align 1
  %4 = alloca i32, align 4
  %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) %1) #4
  %8 = trunc i64 %7 to i32
  %9 = shl i32 %8, 1
  %10 = sext i32 %9 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %3) #4
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #4
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %10, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %11 unwind label %29

11:                                               ; preds = %2
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #4
  %12 = icmp sgt i32 %9, 0
  br i1 %12, label %.preheader, label %._crit_edge

.preheader:                                       ; preds = %11, %.critedge2
  %.063 = phi i32 [ %.pre-phi, %.critedge2 ], [ 0, %11 ]
  %.04262 = phi i32 [ %55, %.critedge2 ], [ 0, %11 ]
  %13 = add nsw i32 %.063, 1
  %.not48 = icmp sgt i32 %.04262, %.063
  br i1 %.not48, label %.critedge, label %.lr.ph

.lr.ph:                                           ; preds = %.preheader, %27
  %.149 = phi i32 [ %28, %27 ], [ %.04262, %.preheader ]
  %14 = add i32 %13, %.149
  %15 = icmp slt i32 %14, %9
  br i1 %15, label %16, label %.critedge

16:                                               ; preds = %.lr.ph
  %17 = sub nsw i32 %.063, %.149
  %18 = ashr i32 %17, 1
  %19 = sext i32 %18 to i64
  %20 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %19) #4
  %21 = load i8, ptr %20, align 1, !tbaa !5
  %22 = ashr i32 %14, 1
  %23 = sext i32 %22 to i64
  %24 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %23) #4
  %25 = load i8, ptr %24, align 1, !tbaa !5
  %26 = icmp eq i8 %21, %25
  br i1 %26, label %27, label %.critedge

27:                                               ; preds = %16
  %28 = add i32 %.149, 1
  %exitcond.not = icmp eq i32 %.149, %.063
  br i1 %exitcond.not, label %.critedge, label %.lr.ph, !llvm.loop !8

29:                                               ; preds = %2
  %30 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #4
  resume { ptr, i32 } %30

.critedge:                                        ; preds = %16, %27, %.lr.ph, %.preheader
  %.1.lcssa = phi i32 [ %.04262, %.preheader ], [ %.149, %.lr.ph ], [ %13, %27 ], [ %.149, %16 ]
  %31 = zext i32 %.063 to i64
  %32 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %31) #4
  store i32 %.1.lcssa, ptr %32, align 4, !tbaa !10
  %.not4554 = icmp eq i32 %.063, 0
  br i1 %.not4554, label %.critedge2, label %.lr.ph56.preheader

.lr.ph56.preheader:                               ; preds = %.critedge
  %33 = sext i32 %.063 to i64
  br label %.lr.ph56

.lr.ph56:                                         ; preds = %.lr.ph56.preheader, %44
  %indvars.iv = phi i64 [ 1, %.lr.ph56.preheader ], [ %indvars.iv.next, %44 ]
  %indvars64 = trunc i64 %indvars.iv to i32
  %34 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %31) #4
  %35 = load i32, ptr %34, align 4, !tbaa !10
  %36 = sext i32 %35 to i64
  %.not46 = icmp sgt i64 %indvars.iv, %36
  br i1 %.not46, label %.critedge2.loopexit, label %37

37:                                               ; preds = %.lr.ph56
  %38 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %31) #4
  %39 = load i32, ptr %38, align 4, !tbaa !10
  %40 = sub nsw i32 %39, %indvars64
  %41 = sub nsw i64 %33, %indvars.iv
  %42 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %41) #4
  %43 = load i32, ptr %42, align 4, !tbaa !10
  %.not47 = icmp eq i32 %40, %43
  br i1 %.not47, label %.critedge2.loopexit, label %44

44:                                               ; preds = %37
  %45 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %41) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #4
  %46 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %31) #4
  %47 = load i32, ptr %46, align 4, !tbaa !10
  %48 = sub nsw i32 %47, %indvars64
  store i32 %48, ptr %4, align 4, !tbaa !10
  %49 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %45, ptr noundef nonnull align 4 dereferenceable(4) %4)
  %50 = load i32, ptr %49, align 4, !tbaa !10
  %51 = add nuw nsw i64 %indvars.iv, %33
  %52 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %51) #4
  store i32 %50, ptr %52, align 4, !tbaa !10
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #4
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond65.not = icmp eq i64 %indvars.iv, %31
  br i1 %exitcond65.not, label %.critedge2.loopexit, label %.lr.ph56, !llvm.loop !12

.critedge2.loopexit:                              ; preds = %37, %44, %.lr.ph56
  %.043.lcssa.ph = phi i32 [ %indvars64, %.lr.ph56 ], [ %13, %44 ], [ %indvars64, %37 ]
  %.pre = add nuw nsw i32 %.043.lcssa.ph, %.063
  br label %.critedge2

.critedge2:                                       ; preds = %.critedge2.loopexit, %.critedge
  %.pre-phi = phi i32 [ %.pre, %.critedge2.loopexit ], [ 1, %.critedge ]
  %.043.lcssa = phi i32 [ %.043.lcssa.ph, %.critedge2.loopexit ], [ 1, %.critedge ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #4
  store i32 0, ptr %5, align 4, !tbaa !10
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #4
  %53 = sub nsw i32 %.1.lcssa, %.043.lcssa
  store i32 %53, ptr %6, align 4, !tbaa !10
  %54 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %5, ptr noundef nonnull align 4 dereferenceable(4) %6)
  %55 = load i32, ptr %54, align 4, !tbaa !10
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #4
  %56 = icmp slt i32 %.pre-phi, %9
  br i1 %56, label %.preheader, label %._crit_edge, !llvm.loop !13

._crit_edge:                                      ; preds = %.critedge2, %11
  call void @_ZNSt6vectorIiSaIiEE8pop_backEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  ret void
}

; 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 dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 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 #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 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) local_unnamed_addr #2 align 2

; 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: 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: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_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 void @_ZNSt6vectorIiSaIiEE8pop_backEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = distinct !{!8, !9}
!9 = !{!"llvm.loop.mustprogress"}
!10 = !{!11, !11, i64 0}
!11 = !{!"int", !6, i64 0}
!12 = distinct !{!12, !9}
!13 = distinct !{!13, !9}


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