; ModuleID = 'prime.c'
source_filename = "prime.c"
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-pc-linux-gnu"

; Function Attrs: mustprogress nofree norecurse nosync nounwind readnone sspstrong uwtable willreturn
define dso_local zeroext i8 @divides(i32 %0, i32 %1) local_unnamed_addr #0 {
  %3 = urem i32 %1, %0
  %4 = icmp eq i32 %3, 0
  %5 = zext i1 %4 to i8
  ret i8 %5
}

; Function Attrs: mustprogress nofree norecurse nosync nounwind readnone sspstrong uwtable willreturn
define dso_local zeroext i8 @even(i32 %0) local_unnamed_addr #0 {
  %2 = trunc i32 %0 to i8
  %3 = and i8 %2, 1
  %4 = xor i8 %3, 1
  ret i8 %4
}

; Function Attrs: nofree norecurse nosync nounwind readnone sspstrong uwtable
define dso_local zeroext i8 @prime(i32 %0) local_unnamed_addr #1 {
  %2 = and i32 %0, 1
  %3 = icmp eq i32 %2, 0
  br i1 %3, label %6, label %4

4:                                                ; preds = %1
  %5 = icmp ult i32 %0, 9
  br i1 %5, label %16, label %11

6:                                                ; preds = %1
  %7 = icmp eq i32 %0, 2
  br label %18

8:                                                ; preds = %11
  %9 = mul i32 %15, %15
  %10 = icmp ugt i32 %9, %0
  br i1 %10, label %16, label %11, !llvm.loop !5

11:                                               ; preds = %4, %8
  %12 = phi i32 [ %15, %8 ], [ 3, %4 ]
  %13 = urem i32 %0, %12
  %14 = icmp eq i32 %13, 0
  %15 = add i32 %12, 2
  br i1 %14, label %18, label %8

16:                                               ; preds = %8, %4
  %17 = icmp ugt i32 %0, 1
  br label %18

18:                                               ; preds = %11, %16, %6
  %19 = phi i1 [ %7, %6 ], [ %17, %16 ], [ false, %11 ]
  %20 = zext i1 %19 to i8
  ret i8 %20
}

; Function Attrs: mustprogress nofree norecurse nosync nounwind sspstrong uwtable willreturn
define dso_local void @swap(i32* nocapture %0, i32* nocapture %1) local_unnamed_addr #2 {
  %3 = load i32, i32* %0, align 4, !tbaa !8
  %4 = load i32, i32* %1, align 4, !tbaa !8
  store i32 %4, i32* %0, align 4, !tbaa !8
  store i32 %3, i32* %1, align 4, !tbaa !8
  ret void
}

; Function Attrs: nofree nosync nounwind readnone sspstrong uwtable
define dso_local i32 @main() local_unnamed_addr #3 {
  br label %1

1:                                                ; preds = %1, %0
  %2 = phi i32 [ 3, %0 ], [ %5, %1 ]
  %3 = urem i32 513239, %2
  %4 = icmp eq i32 %3, 0
  %5 = add nuw nsw i32 %2, 2
  %6 = mul i32 %5, %5
  %7 = icmp ugt i32 %6, 513239
  %8 = select i1 %4, i1 true, i1 %7
  br i1 %8, label %9, label %1, !llvm.loop !5

9:                                                ; preds = %1
  br i1 %4, label %20, label %10

10:                                               ; preds = %9, %10
  %11 = phi i32 [ %14, %10 ], [ 3, %9 ]
  %12 = urem i32 21649, %11
  %13 = icmp eq i32 %12, 0
  %14 = add nuw nsw i32 %11, 2
  %15 = mul i32 %14, %14
  %16 = icmp ugt i32 %15, 21649
  %17 = select i1 %13, i1 true, i1 %16
  br i1 %17, label %18, label %10, !llvm.loop !5

18:                                               ; preds = %10
  %19 = zext i1 %13 to i32
  br label %20

20:                                               ; preds = %18, %9
  %21 = phi i32 [ 1, %9 ], [ %19, %18 ]
  ret i32 %21
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind readnone sspstrong uwtable willreturn "frame-pointer"="none" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nofree norecurse nosync nounwind readnone sspstrong uwtable "frame-pointer"="none" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress nofree norecurse nosync nounwind sspstrong uwtable willreturn "frame-pointer"="none" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { nofree nosync nounwind readnone sspstrong uwtable "frame-pointer"="none" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+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 7, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 1}
!4 = !{!"clang version 13.0.1"}
!5 = distinct !{!5, !6, !7}
!6 = !{!"llvm.loop.mustprogress"}
!7 = !{!"llvm.loop.unroll.disable"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !11, i64 0}
!11 = !{!"Simple C/C++ TBAA"}