; LLVM IR from tangjz/acm-icpc :: codeforces/complete (1342A)

; 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.anon = type { ptr, ptr, ptr }

@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [9 x i8], align 1
@.str.3 = 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 i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i64, align 8
  %9 = alloca %class.anon, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #5
  store i32 1, ptr %2, align 4, !tbaa !5
  %10 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #5
  store i32 1, ptr %3, align 4, !tbaa !5
  br label %11

11:                                               ; preds = %36, %0
  %12 = load i32, ptr %3, align 4, !tbaa !5
  %13 = load i32, ptr %2, align 4, !tbaa !5
  %14 = icmp sle i32 %12, %13
  br i1 %14, label %16, label %15

15:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  br label %39

16:                                               ; preds = %11
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #5
  %17 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.2, ptr noundef %4, ptr noundef %5, ptr noundef %6, ptr noundef %7)
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #5
  %18 = load i32, ptr %6, align 4, !tbaa !5
  %19 = sext i32 %18 to i64
  %20 = load i32, ptr %4, align 4, !tbaa !5
  %21 = call i32 @llvm.abs.i32(i32 %20, i1 true)
  %22 = load i32, ptr %5, align 4, !tbaa !5
  %23 = call i32 @llvm.abs.i32(i32 %22, i1 true)
  %24 = add nsw i32 %21, %23
  %25 = sext i32 %24 to i64
  %26 = mul nsw i64 %19, %25
  store i64 %26, ptr %8, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 24, ptr %9) #5
  %27 = getelementptr inbounds %class.anon, ptr %9, i32 0, i32 0
  store ptr %8, ptr %27, align 8, !tbaa !11
  %28 = getelementptr inbounds %class.anon, ptr %9, i32 0, i32 1
  store ptr %7, ptr %28, align 8, !tbaa !11
  %29 = getelementptr inbounds %class.anon, ptr %9, i32 0, i32 2
  store ptr %6, ptr %29, align 8, !tbaa !11
  %30 = load i32, ptr %4, align 4, !tbaa !5
  %31 = load i32, ptr %5, align 4, !tbaa !5
  call void @"_ZZ4mainENK3$_0clEii"(ptr noundef nonnull align 8 dereferenceable(24) %9, i32 noundef %30, i32 noundef %31)
  %32 = load i32, ptr %5, align 4, !tbaa !5
  %33 = load i32, ptr %4, align 4, !tbaa !5
  call void @"_ZZ4mainENK3$_0clEii"(ptr noundef nonnull align 8 dereferenceable(24) %9, i32 noundef %32, i32 noundef %33)
  %34 = load i64, ptr %8, align 8, !tbaa !9
  %35 = call i32 (ptr, ...) @printf(ptr noundef @.str.3, i64 noundef %34)
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #5
  br label %36

36:                                               ; preds = %16
  %37 = load i32, ptr %3, align 4, !tbaa !5
  %38 = add nsw i32 %37, 1
  store i32 %38, ptr %3, align 4, !tbaa !5
  br label %11, !llvm.loop !13

39:                                               ; preds = %15
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #5
  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: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.abs.i32(i32, i1 immarg) #3

; Function Attrs: inlinehint mustprogress uwtable
declare hidden void @"_ZZ4mainENK3$_0clEii"(ptr noundef nonnull align 8 dereferenceable(24), i32 noundef, i32 noundef) #4 align 2

declare i32 @printf(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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #4 = { inlinehint 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 #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 = !{!10, !10, i64 0}
!10 = !{!"long long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"any pointer", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"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"

%class.anon = type { ptr, ptr, ptr }

@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [9 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [6 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i64, align 8
  %7 = alloca %class.anon, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #5
  store i32 1, ptr %1, align 4, !tbaa !5
  %8 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %9 = load i32, ptr %1, align 4, !tbaa !5
  %.not2 = icmp slt i32 %9, 1
  br i1 %.not2, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %0
  %10 = getelementptr inbounds i8, ptr %7, i64 8
  %11 = getelementptr inbounds i8, ptr %7, i64 16
  br label %12

._crit_edge:                                      ; preds = %12, %0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #5
  ret i32 0

12:                                               ; preds = %.lr.ph, %12
  %.03 = phi i32 [ 1, %.lr.ph ], [ %27, %12 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #5
  %13 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.2, ptr noundef nonnull %2, ptr noundef nonnull %3, ptr noundef nonnull %4, ptr noundef nonnull %5)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #5
  %14 = load i32, ptr %4, align 4, !tbaa !5
  %15 = sext i32 %14 to i64
  %16 = load i32, ptr %2, align 4, !tbaa !5
  %17 = call i32 @llvm.abs.i32(i32 %16, i1 true)
  %18 = load i32, ptr %3, align 4, !tbaa !5
  %19 = call i32 @llvm.abs.i32(i32 %18, i1 true)
  %20 = add nuw nsw i32 %19, %17
  %21 = zext nneg i32 %20 to i64
  %22 = mul nsw i64 %21, %15
  store i64 %22, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %7) #5
  store ptr %6, ptr %7, align 8, !tbaa !11
  store ptr %5, ptr %10, align 8, !tbaa !11
  store ptr %4, ptr %11, align 8, !tbaa !11
  call void @"_ZZ4mainENK3$_0clEii"(ptr noundef nonnull align 8 dereferenceable(24) %7, i32 noundef %16, i32 noundef %18)
  %23 = load i32, ptr %3, align 4, !tbaa !5
  %24 = load i32, ptr %2, align 4, !tbaa !5
  call void @"_ZZ4mainENK3$_0clEii"(ptr noundef nonnull align 8 dereferenceable(24) %7, i32 noundef %23, i32 noundef %24)
  %25 = load i64, ptr %6, align 8, !tbaa !9
  %26 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3, i64 noundef %25)
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #5
  call void @llvm.lifetime.end.p0(i64 4, 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
  %27 = add nuw nsw i32 %.03, 1
  %28 = load i32, ptr %1, align 4, !tbaa !5
  %.not.not = icmp slt i32 %.03, %28
  br i1 %.not.not, label %12, label %._crit_edge, !llvm.loop !13
}

; 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 nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.abs.i32(i32, i1 immarg) #3

; Function Attrs: inlinehint mustprogress uwtable
declare hidden void @"_ZZ4mainENK3$_0clEii"(ptr noundef nonnull align 8 dereferenceable(24), i32 noundef, i32 noundef) local_unnamed_addr #4 align 2

; Function Attrs: nofree nounwind
declare noundef i32 @printf(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

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 = { 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 nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #4 = { inlinehint 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 #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 = !{!10, !10, i64 0}
!10 = !{!"long long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"any pointer", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


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