; LLVM IR from ox-vgg/vise :: src/search_engine/relja_retrival/util/mpi_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
  %7 = alloca i32, align 4
  store i32 %0, ptr %3, align 4, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !9
  %8 = load i32, ptr %3, align 4, !tbaa !5
  %9 = icmp eq i32 %8, 0
  br i1 %9, label %13, label %10

10:                                               ; preds = %2
  %11 = load i32, ptr %3, align 4, !tbaa !5
  %12 = icmp eq i32 %11, 1
  br i1 %12, label %13, label %15

13:                                               ; preds = %10, %2
  %14 = load ptr, ptr %4, align 8, !tbaa !9
  store i8 0, ptr %14, align 1, !tbaa !11
  br label %49

15:                                               ; preds = %10
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  %16 = load i32, ptr %3, align 4, !tbaa !5
  %17 = call noundef double @_ZSt4sqrtIjEN9__gnu_cxx11__enable_ifIXsr12__is_integerIT_EE7__valueEdE6__typeES2_(i32 noundef %16)
  %18 = fadd double %17, 2.000000e+00
  %19 = fptoui double %18 to i32
  store i32 %19, ptr %5, align 4, !tbaa !5
  %20 = load i32, ptr %5, align 4, !tbaa !5
  %21 = load i32, ptr %3, align 4, !tbaa !5
  %22 = icmp uge i32 %20, %21
  br i1 %22, label %23, label %26

23:                                               ; preds = %15
  %24 = load i32, ptr %3, align 4, !tbaa !5
  %25 = sub i32 %24, 1
  store i32 %25, ptr %5, align 4, !tbaa !5
  br label %26

26:                                               ; preds = %23, %15
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  store i32 2, ptr %6, align 4, !tbaa !5
  br label %27

27:                                               ; preds = %40, %26
  %28 = load i32, ptr %6, align 4, !tbaa !5
  %29 = load i32, ptr %5, align 4, !tbaa !5
  %30 = icmp ule i32 %28, %29
  br i1 %30, label %32, label %31

31:                                               ; preds = %27
  store i32 2, ptr %7, align 4
  br label %43

32:                                               ; preds = %27
  %33 = load i32, ptr %3, align 4, !tbaa !5
  %34 = load i32, ptr %6, align 4, !tbaa !5
  %35 = urem i32 %33, %34
  %36 = icmp eq i32 %35, 0
  br i1 %36, label %37, label %39

37:                                               ; preds = %32
  %38 = load ptr, ptr %4, align 8, !tbaa !9
  store i8 0, ptr %38, align 1, !tbaa !11
  store i32 1, ptr %7, align 4
  br label %43

39:                                               ; preds = %32
  br label %40

40:                                               ; preds = %39
  %41 = load i32, ptr %6, align 4, !tbaa !5
  %42 = add i32 %41, 1
  store i32 %42, ptr %6, align 4, !tbaa !5
  br label %27, !llvm.loop !13

43:                                               ; preds = %37, %31
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  %44 = load i32, ptr %7, align 4
  switch i32 %44, label %47 [
    i32 2, label %45
  ]

45:                                               ; preds = %43
  %46 = load ptr, ptr %4, align 8, !tbaa !9
  store i8 1, ptr %46, align 1, !tbaa !11
  store i32 0, ptr %7, align 4
  br label %47

47:                                               ; preds = %45, %43
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  %48 = load i32, ptr %7, align 4
  switch i32 %48, label %50 [
    i32 0, label %49
    i32 1, label %49
  ]

49:                                               ; preds = %47, %47, %13
  ret void

50:                                               ; preds = %47
  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 %.critedge, label %3

3:                                                ; preds = %2
  %4 = tail call noundef double @_ZSt4sqrtIjEN9__gnu_cxx11__enable_ifIXsr12__is_integerIT_EE7__valueEdE6__typeES2_(i32 noundef %0)
  %5 = fadd double %4, 2.000000e+00
  %6 = fptoui double %5 to i32
  %.not = icmp ult i32 %6, %0
  %7 = add i32 %0, -1
  %spec.select = select i1 %.not, i32 %6, i32 %7
  %.not1920 = icmp ult i32 %spec.select, 2
  br i1 %.not1920, label %.critedge, label %.lr.ph

8:                                                ; preds = %.lr.ph
  %9 = add i32 %.01521, 1
  %exitcond.not = icmp eq i32 %.01521, %spec.select
  br i1 %exitcond.not, label %.critedge, label %.lr.ph, !llvm.loop !5

.lr.ph:                                           ; preds = %3, %8
  %.01521 = phi i32 [ %9, %8 ], [ 2, %3 ]
  %10 = urem i32 %0, %.01521
  %11 = icmp eq i32 %10, 0
  br i1 %11, label %.critedge, label %8

.critedge:                                        ; preds = %8, %.lr.ph, %3, %2
  %.sink = phi i8 [ 0, %2 ], [ 1, %3 ], [ 0, %.lr.ph ], [ 1, %8 ]
  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: EarlyCSEPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass