; LLVM IR from MinaFaried3/Assiut-University-Training---Newcomers :: h-sheet5_function/D-PrimeFunction.ll (Z7isPrimex)

; 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 zeroext i1 @_Z7isPrimex(i64 noundef %0) #0 {
  %2 = alloca i1, align 1
  %3 = alloca i64, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  store i64 %0, ptr %3, align 8, !tbaa !5
  %6 = load i64, ptr %3, align 8, !tbaa !5
  %7 = icmp eq i64 %6, 1
  br i1 %7, label %8, label %9

8:                                                ; preds = %1
  store i1 false, ptr %2, align 1
  br label %31

9:                                                ; preds = %1
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #3
  %10 = load i64, ptr %3, align 8, !tbaa !5
  %11 = call noundef double @_ZSt4sqrtIxEN9__gnu_cxx11__enable_ifIXsr12__is_integerIT_EE7__valueEdE6__typeES2_(i64 noundef %10)
  %12 = fptosi double %11 to i32
  store i32 %12, ptr %4, align 4, !tbaa !9
  br label %13

13:                                               ; preds = %25, %9
  %14 = load i32, ptr %4, align 4, !tbaa !9
  %15 = icmp sge i32 %14, 2
  br i1 %15, label %17, label %16

16:                                               ; preds = %13
  store i32 2, ptr %5, align 4
  br label %28

17:                                               ; preds = %13
  %18 = load i64, ptr %3, align 8, !tbaa !5
  %19 = load i32, ptr %4, align 4, !tbaa !9
  %20 = sext i32 %19 to i64
  %21 = srem i64 %18, %20
  %22 = icmp eq i64 %21, 0
  br i1 %22, label %23, label %24

23:                                               ; preds = %17
  store i1 false, ptr %2, align 1
  store i32 1, ptr %5, align 4
  br label %28

24:                                               ; preds = %17
  br label %25

25:                                               ; preds = %24
  %26 = load i32, ptr %4, align 4, !tbaa !9
  %27 = add nsw i32 %26, -1
  store i32 %27, ptr %4, align 4, !tbaa !9
  br label %13, !llvm.loop !11

28:                                               ; preds = %23, %16
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #3
  %29 = load i32, ptr %5, align 4
  switch i32 %29, label %33 [
    i32 2, label %30
    i32 1, label %31
  ]

30:                                               ; preds = %28
  store i1 true, ptr %2, align 1
  br label %31

31:                                               ; preds = %30, %28, %8
  %32 = load i1, ptr %2, align 1
  ret i1 %32

33:                                               ; preds = %28
  unreachable
}

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef double @_ZSt4sqrtIxEN9__gnu_cxx11__enable_ifIXsr12__is_integerIT_EE7__valueEdE6__typeES2_(i64 noundef) #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 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 = { 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 = !{!"long long", !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 zeroext i1 @_Z7isPrimex(i64 noundef %0) local_unnamed_addr #0 {
  %2 = icmp eq i64 %0, 1
  br i1 %2, label %.loopexit, label %3

3:                                                ; preds = %1
  %4 = tail call noundef double @_ZSt4sqrtIxEN9__gnu_cxx11__enable_ifIXsr12__is_integerIT_EE7__valueEdE6__typeES2_(i64 noundef %0)
  %5 = fptosi double %4 to i32
  %6 = icmp slt i32 %5, 2
  br i1 %6, label %.loopexit, label %.lr.ph

.lr.ph:                                           ; preds = %3, %.lr.ph
  %.0710 = phi i32 [ %9, %.lr.ph ], [ %5, %3 ]
  %7 = zext nneg i32 %.0710 to i64
  %8 = srem i64 %0, %7
  %.not = icmp ne i64 %8, 0
  %9 = add nsw i32 %.0710, -1
  %10 = icmp sgt i32 %.0710, 2
  %or.cond.not = and i1 %10, %.not
  br i1 %or.cond.not, label %.lr.ph, label %.loopexit, !llvm.loop !5

.loopexit:                                        ; preds = %.lr.ph, %3, %1
  %.1 = phi i1 [ false, %1 ], [ true, %3 ], [ %.not, %.lr.ph ]
  ret i1 %.1
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef double @_ZSt4sqrtIxEN9__gnu_cxx11__enable_ifIXsr12__is_integerIT_EE7__valueEdE6__typeES2_(i64 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"}


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