; LLVM IR from DionysiosB/CodeForces :: 0400-0499 (479A-Expression)

; 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 [4 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
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #3
  %6 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2, ptr noundef %3, ptr noundef %4)
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  store i32 0, ptr %5, align 4, !tbaa !5
  %7 = load i32, ptr %2, align 4, !tbaa !5
  %8 = icmp eq i32 %7, 1
  br i1 %8, label %9, label %18

9:                                                ; preds = %0
  %10 = load i32, ptr %4, align 4, !tbaa !5
  %11 = icmp eq i32 %10, 1
  br i1 %11, label %12, label %18

12:                                               ; preds = %9
  %13 = load i32, ptr %2, align 4, !tbaa !5
  %14 = load i32, ptr %3, align 4, !tbaa !5
  %15 = add nsw i32 %13, %14
  %16 = load i32, ptr %4, align 4, !tbaa !5
  %17 = add nsw i32 %15, %16
  store i32 %17, ptr %5, align 4, !tbaa !5
  br label %58

18:                                               ; preds = %9, %0
  %19 = load i32, ptr %2, align 4, !tbaa !5
  %20 = icmp eq i32 %19, 1
  br i1 %20, label %28, label %21

21:                                               ; preds = %18
  %22 = load i32, ptr %3, align 4, !tbaa !5
  %23 = icmp eq i32 %22, 1
  br i1 %23, label %24, label %34

24:                                               ; preds = %21
  %25 = load i32, ptr %2, align 4, !tbaa !5
  %26 = load i32, ptr %4, align 4, !tbaa !5
  %27 = icmp slt i32 %25, %26
  br i1 %27, label %28, label %34

28:                                               ; preds = %24, %18
  %29 = load i32, ptr %2, align 4, !tbaa !5
  %30 = load i32, ptr %3, align 4, !tbaa !5
  %31 = add nsw i32 %29, %30
  %32 = load i32, ptr %4, align 4, !tbaa !5
  %33 = mul nsw i32 %31, %32
  store i32 %33, ptr %5, align 4, !tbaa !5
  br label %57

34:                                               ; preds = %24, %21
  %35 = load i32, ptr %4, align 4, !tbaa !5
  %36 = icmp eq i32 %35, 1
  br i1 %36, label %44, label %37

37:                                               ; preds = %34
  %38 = load i32, ptr %3, align 4, !tbaa !5
  %39 = icmp eq i32 %38, 1
  br i1 %39, label %40, label %50

40:                                               ; preds = %37
  %41 = load i32, ptr %2, align 4, !tbaa !5
  %42 = load i32, ptr %4, align 4, !tbaa !5
  %43 = icmp sge i32 %41, %42
  br i1 %43, label %44, label %50

44:                                               ; preds = %40, %34
  %45 = load i32, ptr %2, align 4, !tbaa !5
  %46 = load i32, ptr %3, align 4, !tbaa !5
  %47 = load i32, ptr %4, align 4, !tbaa !5
  %48 = add nsw i32 %46, %47
  %49 = mul nsw i32 %45, %48
  store i32 %49, ptr %5, align 4, !tbaa !5
  br label %56

50:                                               ; preds = %40, %37
  %51 = load i32, ptr %2, align 4, !tbaa !5
  %52 = load i32, ptr %3, align 4, !tbaa !5
  %53 = mul nsw i32 %51, %52
  %54 = load i32, ptr %4, align 4, !tbaa !5
  %55 = mul nsw i32 %53, %54
  store i32 %55, ptr %5, align 4, !tbaa !5
  br label %56

56:                                               ; preds = %50, %44
  br label %57

57:                                               ; preds = %56, %28
  br label %58

58:                                               ; preds = %57, %12
  %59 = load i32, ptr %5, align 4, !tbaa !5
  %60 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, i32 noundef %59)
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #3
  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

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 = { 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"}


; 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 [4 x i8], align 1

; Function Attrs: mustprogress nofree norecurse nounwind 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
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #3
  %4 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1, ptr noundef nonnull %2, ptr noundef nonnull %3)
  %5 = load i32, ptr %1, align 4
  %6 = icmp eq i32 %5, 1
  %7 = load i32, ptr %3, align 4
  %8 = icmp eq i32 %7, 1
  %or.cond = select i1 %6, i1 %8, i1 false
  %9 = load i32, ptr %2, align 4, !tbaa !5
  br i1 %or.cond, label %10, label %12

10:                                               ; preds = %0
  %11 = add nsw i32 %9, 2
  br label %27

12:                                               ; preds = %0
  br i1 %6, label %16, label %13

13:                                               ; preds = %12
  %14 = icmp eq i32 %9, 1
  %15 = icmp slt i32 %5, %7
  %or.cond5 = select i1 %14, i1 %15, i1 false
  br i1 %or.cond5, label %16, label %19

16:                                               ; preds = %13, %12
  %17 = add nsw i32 %9, %5
  %18 = mul nsw i32 %17, %7
  br label %27

19:                                               ; preds = %13
  %.not = xor i1 %8, true
  %20 = icmp ne i32 %9, 1
  %or.cond6 = select i1 %20, i1 true, i1 %15
  %or.cond7 = and i1 %or.cond6, %.not
  br i1 %or.cond7, label %24, label %21

21:                                               ; preds = %19
  %22 = add nsw i32 %9, %7
  %23 = mul nsw i32 %22, %5
  br label %27

24:                                               ; preds = %19
  %25 = mul i32 %7, %5
  %26 = mul i32 %25, %9
  br label %27

27:                                               ; preds = %16, %24, %21, %10
  %.0 = phi i32 [ %11, %10 ], [ %18, %16 ], [ %23, %21 ], [ %26, %24 ]
  %28 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i32 noundef %.0)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #3
  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 @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 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 = { 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"}


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