; LLVM IR from lzyrapx/Competitive-Programming :: HDUOJ (2393)

; 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 [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [7 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [20 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [19 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
  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
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  %7 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %3)
  store i32 1, ptr %2, align 4, !tbaa !5
  br label %8

8:                                                ; preds = %56, %0
  %9 = load i32, ptr %2, align 4, !tbaa !5
  %10 = load i32, ptr %3, align 4, !tbaa !5
  %11 = icmp sle i32 %9, %10
  br i1 %11, label %12, label %59

12:                                               ; preds = %8
  %13 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %4, ptr noundef %5, ptr noundef %6)
  %14 = load i32, ptr %4, align 4, !tbaa !5
  %15 = load i32, ptr %4, align 4, !tbaa !5
  %16 = mul nsw i32 %14, %15
  %17 = load i32, ptr %5, align 4, !tbaa !5
  %18 = load i32, ptr %5, align 4, !tbaa !5
  %19 = mul nsw i32 %17, %18
  %20 = load i32, ptr %6, align 4, !tbaa !5
  %21 = load i32, ptr %6, align 4, !tbaa !5
  %22 = mul nsw i32 %20, %21
  %23 = add nsw i32 %19, %22
  %24 = icmp eq i32 %16, %23
  br i1 %24, label %49, label %25

25:                                               ; preds = %12
  %26 = load i32, ptr %5, align 4, !tbaa !5
  %27 = load i32, ptr %5, align 4, !tbaa !5
  %28 = mul nsw i32 %26, %27
  %29 = load i32, ptr %4, align 4, !tbaa !5
  %30 = load i32, ptr %4, align 4, !tbaa !5
  %31 = mul nsw i32 %29, %30
  %32 = load i32, ptr %6, align 4, !tbaa !5
  %33 = load i32, ptr %6, align 4, !tbaa !5
  %34 = mul nsw i32 %32, %33
  %35 = add nsw i32 %31, %34
  %36 = icmp eq i32 %28, %35
  br i1 %36, label %49, label %37

37:                                               ; preds = %25
  %38 = load i32, ptr %6, align 4, !tbaa !5
  %39 = load i32, ptr %6, align 4, !tbaa !5
  %40 = mul nsw i32 %38, %39
  %41 = load i32, ptr %4, align 4, !tbaa !5
  %42 = load i32, ptr %4, align 4, !tbaa !5
  %43 = mul nsw i32 %41, %42
  %44 = load i32, ptr %5, align 4, !tbaa !5
  %45 = load i32, ptr %5, align 4, !tbaa !5
  %46 = mul nsw i32 %44, %45
  %47 = add nsw i32 %43, %46
  %48 = icmp eq i32 %40, %47
  br i1 %48, label %49, label %52

49:                                               ; preds = %37, %25, %12
  %50 = load i32, ptr %2, align 4, !tbaa !5
  %51 = call i32 (ptr, ...) @printf(ptr noundef @.str.2, i32 noundef %50)
  br label %55

52:                                               ; preds = %37
  %53 = load i32, ptr %2, align 4, !tbaa !5
  %54 = call i32 (ptr, ...) @printf(ptr noundef @.str.3, i32 noundef %53)
  br label %55

55:                                               ; preds = %52, %49
  br label %56

56:                                               ; preds = %55
  %57 = load i32, ptr %2, align 4, !tbaa !5
  %58 = add nsw i32 %57, 1
  store i32 %58, ptr %2, align 4, !tbaa !5
  br label %8, !llvm.loop !9

59:                                               ; preds = %8
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  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"}
!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 [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [7 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [20 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [19 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
  %4 = 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
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #3
  %5 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %6 = load i32, ptr %1, align 4, !tbaa !5
  %.not9 = icmp slt i32 %6, 1
  br i1 %.not9, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %0, %.lr.ph
  %.010 = phi i32 [ %21, %.lr.ph ], [ 1, %0 ]
  %7 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %2, ptr noundef nonnull %3, ptr noundef nonnull %4)
  %8 = load i32, ptr %2, align 4, !tbaa !5
  %9 = mul nsw i32 %8, %8
  %10 = load i32, ptr %3, align 4, !tbaa !5
  %11 = mul nsw i32 %10, %10
  %12 = load i32, ptr %4, align 4, !tbaa !5
  %13 = mul nsw i32 %12, %12
  %14 = add nuw nsw i32 %13, %11
  %15 = icmp eq i32 %9, %14
  %16 = add nuw nsw i32 %13, %9
  %17 = icmp eq i32 %11, %16
  %or.cond = select i1 %15, i1 true, i1 %17
  %18 = add nuw nsw i32 %11, %9
  %19 = icmp eq i32 %13, %18
  %or.cond8 = select i1 %or.cond, i1 true, i1 %19
  %.str.2..str.3 = select i1 %or.cond8, ptr @.str.2, ptr @.str.3
  %20 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) %.str.2..str.3, i32 noundef %.010)
  %21 = add nuw nsw i32 %.010, 1
  %22 = load i32, ptr %1, align 4, !tbaa !5
  %.not.not = icmp slt i32 %.010, %22
  br i1 %.not.not, label %.lr.ph, label %._crit_edge, !llvm.loop !9

._crit_edge:                                      ; preds = %.lr.ph, %0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #3
  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"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


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