; LLVM IR from ravireddy07/cpp-book :: src/Code-Chef (POTATOES)

; 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"

%"class.std::vector" = type { %"struct.std::_Bvector_base" }
%"struct.std::_Bvector_base" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" = type { %"struct.std::_Bit_iterator", %"struct.std::_Bit_iterator", ptr }
%"struct.std::_Bit_iterator" = type { %"struct.std::_Bit_iterator_base.base", [4 x i8] }
%"struct.std::_Bit_iterator_base.base" = type <{ ptr, i32 }>
%"struct.std::_Bit_reference" = type { ptr, i64 }

@.str = external hidden unnamed_addr constant [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [7 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z9getPrimesl(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8, i64 noundef) #0

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

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40)) unnamed_addr #2 align 2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #3 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i64, align 8
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca %"struct.std::_Bit_reference", align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #5
  store i64 3100, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 40, ptr %3) #5
  call void @_Z9getPrimesl(ptr dead_on_unwind writable sret(%"class.std::vector") align 8 %3, i64 noundef 3100)
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #5
  %11 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %4)
          to label %12 unwind label %38

12:                                               ; preds = %0
  br label %13

13:                                               ; preds = %53, %12
  %14 = load i32, ptr %4, align 4, !tbaa !9
  %15 = add nsw i32 %14, -1
  store i32 %15, ptr %4, align 4, !tbaa !9
  %16 = icmp ne i32 %14, 0
  br i1 %16, label %17, label %60

17:                                               ; preds = %13
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #5
  %18 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %7, ptr noundef %8)
          to label %19 unwind label %42

19:                                               ; preds = %17
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #5
  store i32 1, ptr %9, align 4, !tbaa !9
  br label %20

20:                                               ; preds = %35, %19
  call void @llvm.lifetime.start.p0(i64 16, ptr %10) #5
  %21 = load i32, ptr %7, align 4, !tbaa !9
  %22 = load i32, ptr %8, align 4, !tbaa !9
  %23 = add nsw i32 %21, %22
  %24 = load i32, ptr %9, align 4, !tbaa !9
  %25 = add nsw i32 %23, %24
  %26 = sext i32 %25 to i64
  %27 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %3, i64 noundef %26)
          to label %28 unwind label %46

28:                                               ; preds = %20
  %29 = getelementptr inbounds { ptr, i64 }, ptr %10, i32 0, i32 0
  %30 = extractvalue { ptr, i64 } %27, 0
  store ptr %30, ptr %29, align 8
  %31 = getelementptr inbounds { ptr, i64 }, ptr %10, i32 0, i32 1
  %32 = extractvalue { ptr, i64 } %27, 1
  store i64 %32, ptr %31, align 8
  %33 = call noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16) %10) #5
  %34 = xor i1 %33, true
  call void @llvm.lifetime.end.p0(i64 16, ptr %10) #5
  br i1 %34, label %35, label %50

35:                                               ; preds = %28
  %36 = load i32, ptr %9, align 4, !tbaa !9
  %37 = add nsw i32 %36, 1
  store i32 %37, ptr %9, align 4, !tbaa !9
  br label %20, !llvm.loop !11

38:                                               ; preds = %0
  %39 = landingpad { ptr, i32 }
          cleanup
  %40 = extractvalue { ptr, i32 } %39, 0
  store ptr %40, ptr %5, align 8
  %41 = extractvalue { ptr, i32 } %39, 1
  store i32 %41, ptr %6, align 4
  br label %62

42:                                               ; preds = %17
  %43 = landingpad { ptr, i32 }
          cleanup
  %44 = extractvalue { ptr, i32 } %43, 0
  store ptr %44, ptr %5, align 8
  %45 = extractvalue { ptr, i32 } %43, 1
  store i32 %45, ptr %6, align 4
  br label %59

46:                                               ; preds = %20
  %47 = landingpad { ptr, i32 }
          cleanup
  %48 = extractvalue { ptr, i32 } %47, 0
  store ptr %48, ptr %5, align 8
  %49 = extractvalue { ptr, i32 } %47, 1
  store i32 %49, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %10) #5
  br label %58

50:                                               ; preds = %28
  %51 = load i32, ptr %9, align 4, !tbaa !9
  %52 = invoke i32 (ptr, ...) @printf(ptr noundef @.str, i32 noundef %51)
          to label %53 unwind label %54

53:                                               ; preds = %50
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  br label %13, !llvm.loop !13

54:                                               ; preds = %50
  %55 = landingpad { ptr, i32 }
          cleanup
  %56 = extractvalue { ptr, i32 } %55, 0
  store ptr %56, ptr %5, align 8
  %57 = extractvalue { ptr, i32 } %55, 1
  store i32 %57, ptr %6, align 4
  br label %58

58:                                               ; preds = %54, %46
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #5
  br label %59

59:                                               ; preds = %58, %42
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  br label %62

60:                                               ; preds = %13
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #5
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %3) #5
  call void @llvm.lifetime.end.p0(i64 40, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  %61 = load i32, ptr %1, align 4
  ret i32 %61

62:                                               ; preds = %59, %38
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #5
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %3) #5
  call void @llvm.lifetime.end.p0(i64 40, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  br label %63

63:                                               ; preds = %62
  %64 = load ptr, ptr %5, align 8
  %65 = load i32, ptr %6, align 4
  %66 = insertvalue { ptr, i32 } poison, ptr %64, 0
  %67 = insertvalue { ptr, i32 } %66, i32 %65, 1
  resume { ptr, i32 } %67
}

declare i32 @__isoc99_scanf(ptr noundef, ...) #4

declare i32 @printf(ptr noundef, ...) #4

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 = { 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 = { mustprogress norecurse 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 #4 = { "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 #5 = { 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", !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"}
!13 = distinct !{!13, !12}


; 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"

%"class.std::vector" = type { %"struct.std::_Bvector_base" }
%"struct.std::_Bvector_base" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" = type { %"struct.std::_Bit_iterator", %"struct.std::_Bit_iterator", ptr }
%"struct.std::_Bit_iterator" = type { %"struct.std::_Bit_iterator_base.base", [4 x i8] }
%"struct.std::_Bit_iterator_base.base" = type <{ ptr, i32 }>
%"struct.std::_Bit_reference" = type { ptr, i64 }

@.str = external hidden unnamed_addr constant [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [7 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z9getPrimesl(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8, i64 noundef) local_unnamed_addr #0

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

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40)) unnamed_addr #2 align 2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #3 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::vector", align 8
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca %"struct.std::_Bit_reference", align 8
  call void @llvm.lifetime.start.p0(i64 40, ptr nonnull %1) #5
  call void @_Z9getPrimesl(ptr dead_on_unwind nonnull writable sret(%"class.std::vector") align 8 %1, i64 noundef 3100)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #5
  %6 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %2)
  %7 = load i32, ptr %2, align 4, !tbaa !5
  %8 = add nsw i32 %7, -1
  store i32 %8, ptr %2, align 4, !tbaa !5
  %.not6 = icmp eq i32 %7, 0
  br i1 %.not6, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %0
  %9 = getelementptr inbounds i8, ptr %5, i64 8
  br label %10

10:                                               ; preds = %.lr.ph, %27
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #5
  %11 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %3, ptr noundef nonnull %4)
  br label %12

12:                                               ; preds = %23, %10
  %.0 = phi i32 [ 1, %10 ], [ %24, %23 ]
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %5) #5
  %13 = load i32, ptr %3, align 4, !tbaa !5
  %14 = load i32, ptr %4, align 4, !tbaa !5
  %15 = add i32 %13, %.0
  %16 = add i32 %15, %14
  %17 = sext i32 %16 to i64
  %18 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %1, i64 noundef %17)
          to label %19 unwind label %25

19:                                               ; preds = %12
  %20 = extractvalue { ptr, i64 } %18, 0
  store ptr %20, ptr %5, align 8
  %21 = extractvalue { ptr, i64 } %18, 1
  store i64 %21, ptr %9, align 8
  %22 = call noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16) %5) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %5) #5
  br i1 %22, label %27, label %23

23:                                               ; preds = %19
  %24 = add nuw nsw i32 %.0, 1
  br label %12, !llvm.loop !9

25:                                               ; preds = %12
  %26 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #5
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %1) #5
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %1) #5
  resume { ptr, i32 } %26

27:                                               ; preds = %19
  %28 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %.0)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #5
  %29 = load i32, ptr %2, align 4, !tbaa !5
  %30 = add nsw i32 %29, -1
  store i32 %30, ptr %2, align 4, !tbaa !5
  %.not = icmp eq i32 %29, 0
  br i1 %.not, label %._crit_edge, label %10, !llvm.loop !11

._crit_edge:                                      ; preds = %27, %0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #5
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %1) #5
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %1) #5
  ret i32 0
}

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #4

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #4

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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 = { mustprogress norecurse 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 #4 = { nofree nounwind "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 #5 = { 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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimplifyCFGPass