; LLVM IR from MostafaTwfiq/C-DataStructures-And-Algorithms :: DataStructure/Tables/Sources (HashMap)

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

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

; Function Attrs: nounwind uwtable
define dso_local i32 @getNextPrime(i32 noundef %0) #1 {
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  store i32 %0, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #2
  %7 = load i32, ptr %3, align 4, !tbaa !5
  store i32 %7, ptr %4, align 4, !tbaa !5
  br label %8

8:                                                ; preds = %43, %1
  %9 = load i32, ptr %4, align 4, !tbaa !5
  %10 = icmp sle i32 %9, 2147483647
  br i1 %10, label %12, label %11

11:                                               ; preds = %8
  store i32 2, ptr %5, align 4
  br label %46

12:                                               ; preds = %8
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #2
  %13 = load i32, ptr %4, align 4, !tbaa !5
  %14 = sdiv i32 %13, 2
  store i32 %14, ptr %6, align 4, !tbaa !5
  br label %15

15:                                               ; preds = %37, %12
  %16 = load i32, ptr %6, align 4, !tbaa !5
  %17 = icmp sgt i32 %16, 1
  br i1 %17, label %19, label %18

18:                                               ; preds = %15
  store i32 5, ptr %5, align 4
  br label %40

19:                                               ; preds = %15
  %20 = load i32, ptr %4, align 4, !tbaa !5
  %21 = load i32, ptr %6, align 4, !tbaa !5
  %22 = srem i32 %20, %21
  %23 = icmp eq i32 %22, 0
  br i1 %23, label %24, label %25

24:                                               ; preds = %19
  store i32 5, ptr %5, align 4
  br label %40

25:                                               ; preds = %19
  %26 = load i32, ptr %6, align 4, !tbaa !5
  %27 = icmp eq i32 %26, 2
  br i1 %27, label %28, label %35

28:                                               ; preds = %25
  %29 = load i32, ptr %4, align 4, !tbaa !5
  %30 = load i32, ptr %6, align 4, !tbaa !5
  %31 = srem i32 %29, %30
  %32 = icmp ne i32 %31, 0
  br i1 %32, label %33, label %35

33:                                               ; preds = %28
  %34 = load i32, ptr %4, align 4, !tbaa !5
  store i32 %34, ptr %2, align 4
  store i32 1, ptr %5, align 4
  br label %40

35:                                               ; preds = %28, %25
  br label %36

36:                                               ; preds = %35
  br label %37

37:                                               ; preds = %36
  %38 = load i32, ptr %6, align 4, !tbaa !5
  %39 = add nsw i32 %38, -1
  store i32 %39, ptr %6, align 4, !tbaa !5
  br label %15, !llvm.loop !9

40:                                               ; preds = %33, %24, %18
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #2
  %41 = load i32, ptr %5, align 4
  switch i32 %41, label %46 [
    i32 5, label %42
  ]

42:                                               ; preds = %40
  br label %43

43:                                               ; preds = %42
  %44 = load i32, ptr %4, align 4, !tbaa !5
  %45 = add nsw i32 %44, 1
  store i32 %45, ptr %4, align 4, !tbaa !5
  br label %8, !llvm.loop !11

46:                                               ; preds = %40, %11
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #2
  %47 = load i32, ptr %5, align 4
  switch i32 %47, label %51 [
    i32 2, label %48
    i32 1, label %49
  ]

48:                                               ; preds = %46
  store i32 1, ptr %2, align 4
  br label %49

49:                                               ; preds = %48, %46
  %50 = load i32, ptr %2, align 4
  ret i32 %50

51:                                               ; preds = %46
  unreachable
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = { 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/C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}


; 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: nofree norecurse nosync nounwind memory(none) uwtable
define dso_local i32 @getNextPrime(i32 noundef %0) local_unnamed_addr #0 {
  br label %2

2:                                                ; preds = %._crit_edge, %1
  %.016 = phi i32 [ %0, %1 ], [ %11, %._crit_edge ]
  %3 = icmp sgt i32 %.016, 3
  br i1 %3, label %.lr.ph.preheader, label %._crit_edge

.lr.ph.preheader:                                 ; preds = %2
  %4 = lshr i32 %.016, 1
  %5 = urem i32 %.016, %4
  %6 = icmp eq i32 %5, 0
  br i1 %6, label %._crit_edge, label %.lr.ph26

.lr.ph:                                           ; preds = %.lr.ph26
  %7 = add nsw i32 %.02325, -1
  %8 = srem i32 %.016, %7
  %9 = icmp eq i32 %8, 0
  br i1 %9, label %._crit_edge, label %.lr.ph26, !llvm.loop !5

.lr.ph26:                                         ; preds = %.lr.ph.preheader, %.lr.ph
  %.02325 = phi i32 [ %7, %.lr.ph ], [ %4, %.lr.ph.preheader ]
  %10 = icmp eq i32 %.02325, 2
  br i1 %10, label %12, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %.lr.ph.preheader, %2
  %11 = add nsw i32 %.016, 1
  br label %2, !llvm.loop !7

12:                                               ; preds = %.lr.ph26
  ret i32 %.016
}

attributes #0 = { nofree norecurse nosync nounwind memory(none) 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" }

!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 = distinct !{!7, !6}


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