; LLVM IR from DionysiosB/CodeForces :: 0001-0099 (40A-FindColor)

; 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"

@.str = external hidden unnamed_addr constant [9 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [6 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [6 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca double, align 8
  %5 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #4
  %6 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2, ptr noundef %3)
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #4
  %7 = load i64, ptr %2, align 8, !tbaa !5
  %8 = load i64, ptr %2, align 8, !tbaa !5
  %9 = mul nsw i64 %7, %8
  %10 = load i64, ptr %3, align 8, !tbaa !5
  %11 = load i64, ptr %3, align 8, !tbaa !5
  %12 = mul nsw i64 %10, %11
  %13 = add nsw i64 %9, %12
  %14 = sitofp i64 %13 to double
  store double %14, ptr %4, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #4
  %15 = load double, ptr %4, align 8, !tbaa !9
  %16 = call double @sqrt(double noundef %15) #4
  %17 = fptosi double %16 to i64
  store i64 %17, ptr %5, align 8, !tbaa !5
  %18 = load i64, ptr %5, align 8, !tbaa !5
  %19 = load i64, ptr %5, align 8, !tbaa !5
  %20 = mul nsw i64 %18, %19
  %21 = sitofp i64 %20 to double
  %22 = load double, ptr %4, align 8, !tbaa !9
  %23 = fcmp oeq double %21, %22
  br i1 %23, label %24, label %26

24:                                               ; preds = %0
  %25 = call i32 @puts(ptr noundef @.str.1)
  br label %44

26:                                               ; preds = %0
  %27 = load i64, ptr %2, align 8, !tbaa !5
  %28 = load i64, ptr %3, align 8, !tbaa !5
  %29 = mul nsw i64 %27, %28
  %30 = icmp slt i64 %29, 0
  br i1 %30, label %31, label %34

31:                                               ; preds = %26
  %32 = load i64, ptr %5, align 8, !tbaa !5
  %33 = add nsw i64 %32, 1
  store i64 %33, ptr %5, align 8, !tbaa !5
  br label %34

34:                                               ; preds = %31, %26
  %35 = load i64, ptr %5, align 8, !tbaa !5
  %36 = srem i64 %35, 2
  %37 = icmp ne i64 %36, 0
  br i1 %37, label %38, label %39

38:                                               ; preds = %34
  br label %40

39:                                               ; preds = %34
  br label %40

40:                                               ; preds = %39, %38
  %41 = phi ptr [ @.str.2, %38 ], [ @.str.1, %39 ]
  %42 = getelementptr inbounds [6 x i8], ptr %41, i64 0, i64 0
  %43 = call i32 @puts(ptr noundef %42)
  br label %44

44:                                               ; preds = %40, %24
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #4
  ret i32 0
}

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

declare i32 @__isoc99_scanf(ptr noundef, ...) #2

; Function Attrs: nounwind
declare double @sqrt(double noundef) #3

declare i32 @puts(ptr 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 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "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 "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 = { 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 = !{!"double", !7, i64 0}


; 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"

@.str = external hidden unnamed_addr constant [9 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [6 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [6 x i8], align 1

; Function Attrs: mustprogress nofree norecurse nounwind uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = alloca i64, align 8
  %2 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #4
  %3 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1, ptr noundef nonnull %2)
  %4 = load i64, ptr %1, align 8, !tbaa !5
  %5 = mul nsw i64 %4, %4
  %6 = load i64, ptr %2, align 8, !tbaa !5
  %7 = mul nsw i64 %6, %6
  %8 = add nuw nsw i64 %7, %5
  %9 = uitofp nneg i64 %8 to double
  %sqrt = call double @llvm.sqrt.f64(double %9)
  %10 = fptosi double %sqrt to i64
  %11 = mul nsw i64 %10, %10
  %12 = uitofp nneg i64 %11 to double
  %13 = fcmp oeq double %12, %9
  br i1 %13, label %18, label %14

14:                                               ; preds = %0
  %15 = mul nsw i64 %6, %4
  %16 = lshr i64 %15, 63
  %spec.select = add i64 %16, %10
  %17 = and i64 %spec.select, 1
  %.not = icmp eq i64 %17, 0
  %.str.2..str.1 = select i1 %.not, ptr @.str.1, ptr @.str.2
  br label %18

18:                                               ; preds = %0, %14
  %.str.2..str.1.sink = phi ptr [ %.str.2..str.1, %14 ], [ @.str.1, %0 ]
  %19 = call i32 @puts(ptr noundef nonnull dereferenceable(1) %.str.2..str.1.sink)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #4
  ret i32 0
}

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

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: nofree nounwind
declare noundef i32 @puts(ptr nocapture noundef readonly) local_unnamed_addr #2

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

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.sqrt.f64(double) #3

attributes #0 = { mustprogress nofree norecurse 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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #4 = { 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"}


; Effective O3 passes: AggressiveInstCombinePass,EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass