; LLVM IR from TheAlgorithms/C-Plus-Plus :: dynamic_programming (house_robber)

; 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"

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN19dynamic_programming12house_robber11houseRobberERKSt6vectorIjSaIjEERKj(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 4 dereferenceable(4) %1) #0 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  %11 = load ptr, ptr %5, align 8, !tbaa !5
  %12 = load i32, ptr %11, align 4, !tbaa !9
  %13 = icmp eq i32 %12, 0
  br i1 %13, label %14, label %15

14:                                               ; preds = %2
  store i32 0, ptr %3, align 4
  br label %67

15:                                               ; preds = %2
  %16 = load ptr, ptr %5, align 8, !tbaa !5
  %17 = load i32, ptr %16, align 4, !tbaa !9
  %18 = icmp eq i32 %17, 1
  br i1 %18, label %19, label %23

19:                                               ; preds = %15
  %20 = load ptr, ptr %4, align 8, !tbaa !5
  %21 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt6vectorIjSaIjEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %20, i64 noundef 0) #4
  %22 = load i32, ptr %21, align 4, !tbaa !9
  store i32 %22, ptr %3, align 4
  br label %67

23:                                               ; preds = %15
  %24 = load ptr, ptr %5, align 8, !tbaa !5
  %25 = load i32, ptr %24, align 4, !tbaa !9
  %26 = icmp eq i32 %25, 2
  br i1 %26, label %27, label %34

27:                                               ; preds = %23
  %28 = load ptr, ptr %4, align 8, !tbaa !5
  %29 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt6vectorIjSaIjEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %28, i64 noundef 0) #4
  %30 = load ptr, ptr %4, align 8, !tbaa !5
  %31 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt6vectorIjSaIjEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %30, i64 noundef 1) #4
  %32 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIjERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %29, ptr noundef nonnull align 4 dereferenceable(4) %31)
  %33 = load i32, ptr %32, align 4, !tbaa !9
  store i32 %33, ptr %3, align 4
  br label %67

34:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #4
  store i32 0, ptr %6, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  %35 = load ptr, ptr %4, align 8, !tbaa !5
  %36 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt6vectorIjSaIjEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %35, i64 noundef 0) #4
  %37 = load i32, ptr %36, align 4, !tbaa !9
  store i32 %37, ptr %7, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  %38 = load ptr, ptr %4, align 8, !tbaa !5
  %39 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt6vectorIjSaIjEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %38, i64 noundef 0) #4
  %40 = load ptr, ptr %4, align 8, !tbaa !5
  %41 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt6vectorIjSaIjEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %40, i64 noundef 1) #4
  %42 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIjERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %39, ptr noundef nonnull align 4 dereferenceable(4) %41)
  %43 = load i32, ptr %42, align 4, !tbaa !9
  store i32 %43, ptr %8, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #4
  store i32 2, ptr %9, align 4, !tbaa !9
  br label %44

44:                                               ; preds = %62, %34
  %45 = load i32, ptr %9, align 4, !tbaa !9
  %46 = load ptr, ptr %5, align 8, !tbaa !5
  %47 = load i32, ptr %46, align 4, !tbaa !9
  %48 = icmp ult i32 %45, %47
  br i1 %48, label %50, label %49

49:                                               ; preds = %44
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  br label %65

50:                                               ; preds = %44
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #4
  %51 = load ptr, ptr %4, align 8, !tbaa !5
  %52 = load i32, ptr %9, align 4, !tbaa !9
  %53 = zext i32 %52 to i64
  %54 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt6vectorIjSaIjEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %51, i64 noundef %53) #4
  %55 = load i32, ptr %54, align 4, !tbaa !9
  %56 = load i32, ptr %7, align 4, !tbaa !9
  %57 = add i32 %55, %56
  store i32 %57, ptr %10, align 4, !tbaa !9
  %58 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIjERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %10, ptr noundef nonnull align 4 dereferenceable(4) %8)
  %59 = load i32, ptr %58, align 4, !tbaa !9
  store i32 %59, ptr %6, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #4
  %60 = load i32, ptr %8, align 4, !tbaa !9
  store i32 %60, ptr %7, align 4, !tbaa !9
  %61 = load i32, ptr %6, align 4, !tbaa !9
  store i32 %61, ptr %8, align 4, !tbaa !9
  br label %62

62:                                               ; preds = %50
  %63 = load i32, ptr %9, align 4, !tbaa !9
  %64 = add i32 %63, 1
  store i32 %64, ptr %9, align 4, !tbaa !9
  br label %44, !llvm.loop !11

65:                                               ; preds = %49
  %66 = load i32, ptr %6, align 4, !tbaa !9
  store i32 %66, ptr %3, align 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
  br label %67

67:                                               ; preds = %65, %27, %19, %14
  %68 = load i32, ptr %3, align 4
  ret i32 %68
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt6vectorIjSaIjEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIjERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #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

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 = { 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 #3 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


; 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"

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef i32 @_ZN19dynamic_programming12house_robber11houseRobberERKSt6vectorIjSaIjEERKj(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr nocapture noundef nonnull readonly align 4 dereferenceable(4) %1) local_unnamed_addr #0 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = load i32, ptr %1, align 4, !tbaa !5
  switch i32 %5, label %14 [
    i32 0, label %32
    i32 1, label %6
    i32 2, label %9
  ]

6:                                                ; preds = %2
  %7 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt6vectorIjSaIjEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 0) #3
  %8 = load i32, ptr %7, align 4, !tbaa !5
  br label %32

9:                                                ; preds = %2
  %10 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt6vectorIjSaIjEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 0) #3
  %11 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt6vectorIjSaIjEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 1) #3
  %12 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIjERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %10, ptr noundef nonnull align 4 dereferenceable(4) %11)
  %13 = load i32, ptr %12, align 4, !tbaa !5
  br label %32

14:                                               ; preds = %2
  %15 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt6vectorIjSaIjEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 0) #3
  %16 = load i32, ptr %15, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #3
  %17 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt6vectorIjSaIjEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 0) #3
  %18 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt6vectorIjSaIjEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 1) #3
  %19 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIjERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %17, ptr noundef nonnull align 4 dereferenceable(4) %18)
  %20 = load i32, ptr %19, align 4, !tbaa !5
  store i32 %20, ptr %3, align 4, !tbaa !5
  %21 = load i32, ptr %1, align 4, !tbaa !5
  %22 = icmp ugt i32 %21, 2
  br i1 %22, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %14
  %.018.lcssa = phi i32 [ 0, %14 ], [ %27, %.lr.ph ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #3
  br label %32

.lr.ph:                                           ; preds = %14, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 2, %14 ]
  %.01721 = phi i32 [ %28, %.lr.ph ], [ %16, %14 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #3
  %23 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt6vectorIjSaIjEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %indvars.iv) #3
  %24 = load i32, ptr %23, align 4, !tbaa !5
  %25 = add i32 %24, %.01721
  store i32 %25, ptr %4, align 4, !tbaa !5
  %26 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIjERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %4, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %27 = load i32, ptr %26, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #3
  %28 = load i32, ptr %3, align 4, !tbaa !5
  store i32 %27, ptr %3, align 4, !tbaa !5
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %29 = load i32, ptr %1, align 4, !tbaa !5
  %30 = zext i32 %29 to i64
  %31 = icmp ult i64 %indvars.iv.next, %30
  br i1 %31, label %.lr.ph, label %._crit_edge, !llvm.loop !9

32:                                               ; preds = %2, %._crit_edge, %9, %6
  %.019 = phi i32 [ %8, %6 ], [ %13, %9 ], [ %.018.lcssa, %._crit_edge ], [ %5, %2 ]
  ret i32 %.019
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt6vectorIjSaIjEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIjERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

attributes #0 = { 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 #1 = { 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 #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


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