; LLVM IR from DionysiosB/CodeForces :: 0600-0699/670D2-MagicPowder2.ll (Z10haveEnoughSt6vectorIlSaIlEES1_ll)

; 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 nounwind uwtable
define dso_local noundef zeroext i1 @_Z10haveEnoughSt6vectorIlSaIlEES1_ll(ptr noundef %0, ptr noundef %1, i64 noundef %2, i64 noundef %3) #0 {
  %5 = alloca i1, align 1
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i64, align 8
  %9 = alloca i64, align 8
  %10 = alloca i64, align 8
  %11 = alloca i32, align 4
  %12 = alloca i64, align 8
  store ptr %0, ptr %6, align 8, !tbaa !5
  store ptr %1, ptr %7, align 8, !tbaa !5
  store i64 %2, ptr %8, align 8, !tbaa !9
  store i64 %3, ptr %9, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #2
  store i64 0, ptr %10, align 8, !tbaa !9
  br label %13

13:                                               ; preds = %45, %4
  %14 = load i64, ptr %10, align 8, !tbaa !9
  %15 = call noundef i64 @_ZNKSt6vectorIlSaIlEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #2
  %16 = icmp ult i64 %14, %15
  br i1 %16, label %18, label %17

17:                                               ; preds = %13
  store i32 2, ptr %11, align 4
  br label %48

18:                                               ; preds = %13
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #2
  %19 = load i64, ptr %8, align 8, !tbaa !9
  %20 = load i64, ptr %10, align 8, !tbaa !9
  %21 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %20) #2
  %22 = load i64, ptr %21, align 8, !tbaa !9
  %23 = mul nsw i64 %19, %22
  store i64 %23, ptr %12, align 8, !tbaa !9
  %24 = load i64, ptr %12, align 8, !tbaa !9
  %25 = load i64, ptr %10, align 8, !tbaa !9
  %26 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %25) #2
  %27 = load i64, ptr %26, align 8, !tbaa !9
  %28 = icmp sgt i64 %24, %27
  br i1 %28, label %29, label %37

29:                                               ; preds = %18
  %30 = load i64, ptr %12, align 8, !tbaa !9
  %31 = load i64, ptr %10, align 8, !tbaa !9
  %32 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %31) #2
  %33 = load i64, ptr %32, align 8, !tbaa !9
  %34 = sub nsw i64 %30, %33
  %35 = load i64, ptr %9, align 8, !tbaa !9
  %36 = sub nsw i64 %35, %34
  store i64 %36, ptr %9, align 8, !tbaa !9
  br label %37

37:                                               ; preds = %29, %18
  %38 = load i64, ptr %9, align 8, !tbaa !9
  %39 = icmp slt i64 %38, 0
  br i1 %39, label %40, label %41

40:                                               ; preds = %37
  store i1 false, ptr %5, align 1
  store i32 1, ptr %11, align 4
  br label %42

41:                                               ; preds = %37
  store i32 0, ptr %11, align 4
  br label %42

42:                                               ; preds = %41, %40
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #2
  %43 = load i32, ptr %11, align 4
  switch i32 %43, label %48 [
    i32 0, label %44
  ]

44:                                               ; preds = %42
  br label %45

45:                                               ; preds = %44
  %46 = load i64, ptr %10, align 8, !tbaa !9
  %47 = add nsw i64 %46, 1
  store i64 %47, ptr %10, align 8, !tbaa !9
  br label %13, !llvm.loop !11

48:                                               ; preds = %42, %17
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #2
  %49 = load i32, ptr %11, align 4
  switch i32 %49, label %53 [
    i32 2, label %50
    i32 1, label %51
  ]

50:                                               ; preds = %48
  store i1 true, ptr %5, align 1
  br label %51

51:                                               ; preds = %50, %48
  %52 = load i1, ptr %5, align 1
  ret i1 %52

53:                                               ; preds = %48
  unreachable
}

; 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 dso_local noundef i64 @_ZNKSt6vectorIlSaIlEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #0 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 = !{!"long", !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 zeroext i1 @_Z10haveEnoughSt6vectorIlSaIlEES1_ll(ptr noundef %0, ptr noundef nonnull %1, i64 noundef %2, i64 noundef %3) local_unnamed_addr #0 {
  %5 = tail call noundef i64 @_ZNKSt6vectorIlSaIlEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #1
  %6 = icmp eq i64 %5, 0
  br i1 %6, label %._crit_edge, label %.lr.ph

7:                                                ; preds = %20
  %8 = add nuw nsw i64 %.01420, 1
  %9 = tail call noundef i64 @_ZNKSt6vectorIlSaIlEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #1
  %.not = icmp ult i64 %8, %9
  br i1 %.not, label %.lr.ph, label %._crit_edge, !llvm.loop !5

.lr.ph:                                           ; preds = %4, %7
  %.01420 = phi i64 [ %8, %7 ], [ 0, %4 ]
  %.01519 = phi i64 [ %.116, %7 ], [ %3, %4 ]
  %10 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %.01420) #1
  %11 = load i64, ptr %10, align 8, !tbaa !7
  %12 = mul nsw i64 %11, %2
  %13 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %.01420) #1
  %14 = load i64, ptr %13, align 8, !tbaa !7
  %15 = icmp sgt i64 %12, %14
  br i1 %15, label %16, label %20

16:                                               ; preds = %.lr.ph
  %17 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %.01420) #1
  %18 = load i64, ptr %17, align 8, !tbaa !7
  %.neg = sub i64 %.01519, %12
  %19 = add i64 %.neg, %18
  br label %20

20:                                               ; preds = %16, %.lr.ph
  %.116 = phi i64 [ %19, %16 ], [ %.01519, %.lr.ph ]
  %21 = icmp sgt i64 %.116, -1
  br i1 %21, label %7, label %._crit_edge

._crit_edge:                                      ; preds = %20, %7, %4
  %.lcssa = phi i1 [ true, %4 ], [ %21, %7 ], [ %21, %20 ]
  ret i1 %.lcssa
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIlSaIlEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 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 = { 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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}
!7 = !{!8, !8, i64 0}
!8 = !{!"long", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C++ TBAA"}


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