; LLVM IR from afrozchakure/Competitive-Programming-Solutions :: HackerRank/C (BoxesThroughATunnel)

; 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"

%struct.box = type { i32, i32, i32 }

@.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 [4 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local i32 @get_volume(i64, i32) #0

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #1

; Function Attrs: nounwind uwtable
declare dso_local i32 @is_lower_than_max_height(i64, i32) #0

; Function Attrs: nounwind uwtable
define dso_local i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca { i64, i32 }, align 4
  %7 = alloca { i64, i32 }, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #5
  %8 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #5
  %9 = load i32, ptr %2, align 4, !tbaa !5
  %10 = sext i32 %9 to i64
  %11 = mul i64 %10, 12
  %12 = call noalias ptr @malloc(i64 noundef %11) #6
  store ptr %12, ptr %3, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #5
  store i32 0, ptr %4, align 4, !tbaa !5
  br label %13

13:                                               ; preds = %35, %0
  %14 = load i32, ptr %4, align 4, !tbaa !5
  %15 = load i32, ptr %2, align 4, !tbaa !5
  %16 = icmp slt i32 %14, %15
  br i1 %16, label %18, label %17

17:                                               ; preds = %13
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #5
  br label %38

18:                                               ; preds = %13
  %19 = load ptr, ptr %3, align 8, !tbaa !9
  %20 = load i32, ptr %4, align 4, !tbaa !5
  %21 = sext i32 %20 to i64
  %22 = getelementptr inbounds %struct.box, ptr %19, i64 %21
  %23 = getelementptr inbounds %struct.box, ptr %22, i32 0, i32 1
  %24 = load ptr, ptr %3, align 8, !tbaa !9
  %25 = load i32, ptr %4, align 4, !tbaa !5
  %26 = sext i32 %25 to i64
  %27 = getelementptr inbounds %struct.box, ptr %24, i64 %26
  %28 = getelementptr inbounds %struct.box, ptr %27, i32 0, i32 2
  %29 = load ptr, ptr %3, align 8, !tbaa !9
  %30 = load i32, ptr %4, align 4, !tbaa !5
  %31 = sext i32 %30 to i64
  %32 = getelementptr inbounds %struct.box, ptr %29, i64 %31
  %33 = getelementptr inbounds %struct.box, ptr %32, i32 0, i32 0
  %34 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %23, ptr noundef %28, ptr noundef %33)
  br label %35

35:                                               ; preds = %18
  %36 = load i32, ptr %4, align 4, !tbaa !5
  %37 = add nsw i32 %36, 1
  store i32 %37, ptr %4, align 4, !tbaa !5
  br label %13, !llvm.loop !11

38:                                               ; preds = %17
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  store i32 0, ptr %5, align 4, !tbaa !5
  br label %39

39:                                               ; preds = %67, %38
  %40 = load i32, ptr %5, align 4, !tbaa !5
  %41 = load i32, ptr %2, align 4, !tbaa !5
  %42 = icmp slt i32 %40, %41
  br i1 %42, label %44, label %43

43:                                               ; preds = %39
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  br label %70

44:                                               ; preds = %39
  %45 = load ptr, ptr %3, align 8, !tbaa !9
  %46 = load i32, ptr %5, align 4, !tbaa !5
  %47 = sext i32 %46 to i64
  %48 = getelementptr inbounds %struct.box, ptr %45, i64 %47
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %6, ptr align 4 %48, i64 12, i1 false)
  %49 = getelementptr inbounds { i64, i32 }, ptr %6, i32 0, i32 0
  %50 = load i64, ptr %49, align 4
  %51 = getelementptr inbounds { i64, i32 }, ptr %6, i32 0, i32 1
  %52 = load i32, ptr %51, align 4
  %53 = call i32 @is_lower_than_max_height(i64 %50, i32 %52)
  %54 = icmp ne i32 %53, 0
  br i1 %54, label %55, label %66

55:                                               ; preds = %44
  %56 = load ptr, ptr %3, align 8, !tbaa !9
  %57 = load i32, ptr %5, align 4, !tbaa !5
  %58 = sext i32 %57 to i64
  %59 = getelementptr inbounds %struct.box, ptr %56, i64 %58
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %7, ptr align 4 %59, i64 12, i1 false)
  %60 = getelementptr inbounds { i64, i32 }, ptr %7, i32 0, i32 0
  %61 = load i64, ptr %60, align 4
  %62 = getelementptr inbounds { i64, i32 }, ptr %7, i32 0, i32 1
  %63 = load i32, ptr %62, align 4
  %64 = call i32 @get_volume(i64 %61, i32 %63)
  %65 = call i32 (ptr, ...) @printf(ptr noundef @.str.2, i32 noundef %64)
  br label %66

66:                                               ; preds = %55, %44
  br label %67

67:                                               ; preds = %66
  %68 = load i32, ptr %5, align 4, !tbaa !5
  %69 = add nsw i32 %68, 1
  store i32 %69, ptr %5, align 4, !tbaa !5
  br label %39, !llvm.loop !13

70:                                               ; preds = %43
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #5
  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) #2

declare i32 @__isoc99_scanf(ptr noundef, ...) #3

; Function Attrs: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #4

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

declare i32 @printf(ptr noundef, ...) #3

attributes #0 = { 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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { "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 allocsize(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 }
attributes #6 = { nounwind allocsize(0) }

!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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}


; 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"

%struct.box = type { i32, i32, i32 }

@.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 [4 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local i32 @get_volume(i64, i32) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local i32 @is_lower_than_max_height(i64, i32) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #4
  %2 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %3 = load i32, ptr %1, align 4, !tbaa !5
  %4 = sext i32 %3 to i64
  %5 = mul nsw i64 %4, 12
  %6 = call noalias ptr @malloc(i64 noundef %5) #5
  %7 = icmp sgt i32 %3, 0
  br i1 %7, label %.lr.ph, label %._crit_edge

.preheader:                                       ; preds = %.lr.ph
  %8 = icmp sgt i32 %13, 0
  br i1 %8, label %.lr.ph18, label %._crit_edge

.lr.ph:                                           ; preds = %0, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
  %9 = getelementptr inbounds %struct.box, ptr %6, i64 %indvars.iv
  %10 = getelementptr inbounds i8, ptr %9, i64 4
  %11 = getelementptr inbounds i8, ptr %9, i64 8
  %12 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %10, ptr noundef nonnull %11, ptr noundef %9)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %13 = load i32, ptr %1, align 4, !tbaa !5
  %14 = sext i32 %13 to i64
  %15 = icmp slt i64 %indvars.iv.next, %14
  br i1 %15, label %.lr.ph, label %.preheader, !llvm.loop !9

._crit_edge:                                      ; preds = %21, %0, %.preheader
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #4
  ret i32 0

.lr.ph18:                                         ; preds = %.preheader, %21
  %indvars.iv20 = phi i64 [ %indvars.iv.next21, %21 ], [ 0, %.preheader ]
  %16 = getelementptr inbounds %struct.box, ptr %6, i64 %indvars.iv20
  %.sroa.01.0.copyload = load i64, ptr %16, align 4
  %.sroa.22.0..sroa_idx = getelementptr inbounds i8, ptr %16, i64 8
  %.sroa.22.0.copyload = load i32, ptr %.sroa.22.0..sroa_idx, align 4
  %17 = call i32 @is_lower_than_max_height(i64 %.sroa.01.0.copyload, i32 %.sroa.22.0.copyload)
  %.not = icmp eq i32 %17, 0
  br i1 %.not, label %21, label %18

18:                                               ; preds = %.lr.ph18
  %.sroa.0.0.copyload = load i64, ptr %16, align 4
  %.sroa.2.0.copyload = load i32, ptr %.sroa.22.0..sroa_idx, align 4
  %19 = call i32 @get_volume(i64 %.sroa.0.0.copyload, i32 %.sroa.2.0.copyload)
  %20 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i32 noundef %19)
  br label %21

21:                                               ; preds = %.lr.ph18, %18
  %indvars.iv.next21 = add nuw nsw i64 %indvars.iv20, 1
  %22 = load i32, ptr %1, align 4, !tbaa !5
  %23 = sext i32 %22 to i64
  %24 = icmp slt i64 %indvars.iv.next21, %23
  br i1 %24, label %.lr.ph18, label %._crit_edge, !llvm.loop !11
}

; 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 allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @malloc(i64 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 = { 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 allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite) "alloc-family"="malloc" "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 }
attributes #5 = { nounwind allocsize(0) }

!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/C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}


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