; LLVM IR from ox-vgg/vise :: src/search_engine/relja_retrival/util/thread_queue.ll (Z7isPrimejRb)

; 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: mustprogress uwtable
define dso_local void @_Z7isPrimejRb(i32 noundef %0, ptr noundef nonnull align 1 dereferenceable(1) %1) #1 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  store i32 %0, ptr %3, align 4, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !9
  %7 = load i32, ptr %3, align 4, !tbaa !5
  %8 = icmp eq i32 %7, 0
  br i1 %8, label %12, label %9

9:                                                ; preds = %2
  %10 = load i32, ptr %3, align 4, !tbaa !5
  %11 = icmp eq i32 %10, 1
  br i1 %11, label %12, label %14

12:                                               ; preds = %9, %2
  %13 = load ptr, ptr %4, align 8, !tbaa !9
  store i8 0, ptr %13, align 1, !tbaa !11
  br label %37

14:                                               ; preds = %9
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  store i32 2, ptr %5, align 4, !tbaa !5
  br label %15

15:                                               ; preds = %30, %14
  %16 = load i32, ptr %5, align 4, !tbaa !5
  %17 = sitofp i32 %16 to double
  %18 = load i32, ptr %3, align 4, !tbaa !5
  %19 = call noundef double @_ZSt4sqrtIjEN9__gnu_cxx11__enable_ifIXsr12__is_integerIT_EE7__valueEdE6__typeES2_(i32 noundef %18)
  %20 = fcmp ole double %17, %19
  br i1 %20, label %22, label %21

21:                                               ; preds = %15
  store i32 2, ptr %6, align 4
  br label %33

22:                                               ; preds = %15
  %23 = load i32, ptr %3, align 4, !tbaa !5
  %24 = load i32, ptr %5, align 4, !tbaa !5
  %25 = urem i32 %23, %24
  %26 = icmp eq i32 %25, 0
  br i1 %26, label %27, label %29

27:                                               ; preds = %22
  %28 = load ptr, ptr %4, align 8, !tbaa !9
  store i8 0, ptr %28, align 1, !tbaa !11
  store i32 1, ptr %6, align 4
  br label %33

29:                                               ; preds = %22
  br label %30

30:                                               ; preds = %29
  %31 = load i32, ptr %5, align 4, !tbaa !5
  %32 = add nsw i32 %31, 1
  store i32 %32, ptr %5, align 4, !tbaa !5
  br label %15, !llvm.loop !13

33:                                               ; preds = %27, %21
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  %34 = load i32, ptr %6, align 4
  switch i32 %34, label %38 [
    i32 2, label %35
    i32 1, label %37
  ]

35:                                               ; preds = %33
  %36 = load ptr, ptr %4, align 8, !tbaa !9
  store i8 1, ptr %36, align 1, !tbaa !11
  br label %37

37:                                               ; preds = %35, %33, %12
  ret void

38:                                               ; preds = %33
  unreachable
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef double @_ZSt4sqrtIjEN9__gnu_cxx11__enable_ifIXsr12__is_integerIT_EE7__valueEdE6__typeES2_(i32 noundef) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = { 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 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"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 void @_Z7isPrimejRb(i32 noundef %0, ptr nocapture noundef nonnull writeonly align 1 dereferenceable(1) %1) local_unnamed_addr #0 {
  %or.cond = icmp ult i32 %0, 2
  br i1 %or.cond, label %._crit_edge, label %.preheader

.preheader:                                       ; preds = %2
  %3 = tail call noundef double @_ZSt4sqrtIjEN9__gnu_cxx11__enable_ifIXsr12__is_integerIT_EE7__valueEdE6__typeES2_(i32 noundef %0)
  %4 = fcmp ult double %3, 2.000000e+00
  br i1 %4, label %._crit_edge, label %.lr.ph

5:                                                ; preds = %.lr.ph
  %6 = add nuw nsw i32 %.01116, 1
  %7 = uitofp nneg i32 %6 to double
  %8 = tail call noundef double @_ZSt4sqrtIjEN9__gnu_cxx11__enable_ifIXsr12__is_integerIT_EE7__valueEdE6__typeES2_(i32 noundef %0)
  %9 = fcmp ult double %8, %7
  br i1 %9, label %._crit_edge, label %.lr.ph, !llvm.loop !5

.lr.ph:                                           ; preds = %.preheader, %5
  %.01116 = phi i32 [ %6, %5 ], [ 2, %.preheader ]
  %10 = urem i32 %0, %.01116
  %11 = icmp eq i32 %10, 0
  br i1 %11, label %._crit_edge, label %5

._crit_edge:                                      ; preds = %5, %.lr.ph, %.preheader, %2
  %.sink = phi i8 [ 0, %2 ], [ 1, %.preheader ], [ 0, %.lr.ph ], [ 1, %5 ]
  store i8 %.sink, ptr %1, align 1, !tbaa !7
  ret void
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef double @_ZSt4sqrtIjEN9__gnu_cxx11__enable_ifIXsr12__is_integerIT_EE7__valueEdE6__typeES2_(i32 noundef) local_unnamed_addr #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 = { 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" }

!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 = !{!"bool", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C++ TBAA"}


; Effective O3 passes: CorrelatedValuePropagationPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass