; LLVM IR from DionysiosB/CodeForces :: 0500-0599 (577A-MultiplicationTable)

; 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 [5 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 i64, 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
  store i64 0, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #4
  store i64 1, ptr %5, align 8, !tbaa !5
  br label %7

7:                                                ; preds = %44, %0
  %8 = load i64, ptr %5, align 8, !tbaa !5
  %9 = sitofp i64 %8 to double
  %10 = load i64, ptr %3, align 8, !tbaa !5
  %11 = sitofp i64 %10 to double
  %12 = call double @sqrt(double noundef %11) #4
  %13 = fcmp ole double %9, %12
  br i1 %13, label %14, label %18

14:                                               ; preds = %7
  %15 = load i64, ptr %5, align 8, !tbaa !5
  %16 = load i64, ptr %2, align 8, !tbaa !5
  %17 = icmp sle i64 %15, %16
  br label %18

18:                                               ; preds = %14, %7
  %19 = phi i1 [ false, %7 ], [ %17, %14 ]
  br i1 %19, label %21, label %20

20:                                               ; preds = %18
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  br label %47

21:                                               ; preds = %18
  %22 = load i64, ptr %3, align 8, !tbaa !5
  %23 = load i64, ptr %5, align 8, !tbaa !5
  %24 = srem i64 %22, %23
  %25 = icmp eq i64 %24, 0
  br i1 %25, label %26, label %43

26:                                               ; preds = %21
  %27 = load i64, ptr %3, align 8, !tbaa !5
  %28 = load i64, ptr %5, align 8, !tbaa !5
  %29 = sdiv i64 %27, %28
  %30 = load i64, ptr %2, align 8, !tbaa !5
  %31 = icmp sle i64 %29, %30
  br i1 %31, label %32, label %43

32:                                               ; preds = %26
  %33 = load i64, ptr %5, align 8, !tbaa !5
  %34 = load i64, ptr %3, align 8, !tbaa !5
  %35 = load i64, ptr %5, align 8, !tbaa !5
  %36 = sdiv i64 %34, %35
  %37 = icmp eq i64 %33, %36
  %38 = zext i1 %37 to i32
  %39 = sub nsw i32 2, %38
  %40 = sext i32 %39 to i64
  %41 = load i64, ptr %4, align 8, !tbaa !5
  %42 = add nsw i64 %41, %40
  store i64 %42, ptr %4, align 8, !tbaa !5
  br label %43

43:                                               ; preds = %32, %26, %21
  br label %44

44:                                               ; preds = %43
  %45 = load i64, ptr %5, align 8, !tbaa !5
  %46 = add nsw i64 %45, 1
  store i64 %46, ptr %5, align 8, !tbaa !5
  br label %7, !llvm.loop !9

47:                                               ; preds = %20
  %48 = load i64, ptr %4, align 8, !tbaa !5
  %49 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, i64 noundef %48)
  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

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

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

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 = distinct !{!9, !10}
!10 = !{!"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"

@.str = external hidden unnamed_addr constant [9 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [5 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 %2, align 8, !tbaa !5
  %5 = sitofp i64 %4 to double
  %6 = call double @sqrt(double noundef %5) #4
  %7 = fcmp oge double %6, 1.000000e+00
  %8 = load i64, ptr %1, align 8
  %9 = icmp sgt i64 %8, 0
  %10 = select i1 %7, i1 %9, i1 false
  br i1 %10, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %0
  %.09.lcssa = phi i64 [ 0, %0 ], [ %.1, %.lr.ph ]
  %11 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i64 noundef %.09.lcssa)
  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

.lr.ph:                                           ; preds = %0, %.lr.ph
  %12 = phi i64 [ %25, %.lr.ph ], [ %8, %0 ]
  %.013 = phi i64 [ %20, %.lr.ph ], [ 1, %0 ]
  %.0912 = phi i64 [ %.1, %.lr.ph ], [ 0, %0 ]
  %13 = load i64, ptr %2, align 8, !tbaa !5
  %14 = srem i64 %13, %.013
  %15 = sdiv i64 %13, %.013
  %16 = icmp ne i64 %14, 0
  %.not = icmp sgt i64 %15, %12
  %or.cond = select i1 %16, i1 true, i1 %.not
  %17 = icmp eq i64 %.013, %15
  %18 = select i1 %17, i64 1, i64 2
  %19 = add nsw i64 %18, %.0912
  %.1 = select i1 %or.cond, i64 %.0912, i64 %19
  %20 = add nuw nsw i64 %.013, 1
  %21 = uitofp nneg i64 %20 to double
  %22 = sitofp i64 %13 to double
  %23 = call double @sqrt(double noundef %22) #4
  %24 = fcmp oge double %23, %21
  %25 = load i64, ptr %1, align 8
  %26 = icmp slt i64 %.013, %25
  %27 = select i1 %24, i1 %26, i1 false
  br i1 %27, label %.lr.ph, label %._crit_edge, !llvm.loop !9
}

; 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: mustprogress nofree nounwind willreturn memory(write)
declare double @sqrt(double noundef) local_unnamed_addr #3

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

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

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 = { mustprogress nofree nounwind willreturn memory(write) "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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


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