; LLVM IR from hanzohasashi33/Competetive_programming :: CodeChef/Contest/Aarambh2020 (Straight_Lines)

; 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 [5 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1

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

12:                                               ; preds = %89, %0
  %13 = load i32, ptr %2, align 4, !tbaa !5
  %14 = icmp sgt i32 %13, 0
  br i1 %14, label %15, label %95

15:                                               ; preds = %12
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #4
  %16 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %3)
  %17 = load i32, ptr %3, align 4, !tbaa !5
  %18 = zext i32 %17 to i64
  %19 = call ptr @llvm.stacksave.p0()
  store ptr %19, ptr %4, align 8
  %20 = alloca [2 x i32], i64 %18, align 16
  store i64 %18, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #4
  store i32 0, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  store i32 0, ptr %7, align 4, !tbaa !5
  br label %21

21:                                               ; preds = %36, %15
  %22 = load i32, ptr %7, align 4, !tbaa !5
  %23 = load i32, ptr %3, align 4, !tbaa !5
  %24 = icmp slt i32 %22, %23
  br i1 %24, label %26, label %25

25:                                               ; preds = %21
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  br label %39

26:                                               ; preds = %21
  %27 = load i32, ptr %7, align 4, !tbaa !5
  %28 = sext i32 %27 to i64
  %29 = getelementptr inbounds [2 x i32], ptr %20, i64 %28
  %30 = getelementptr inbounds [2 x i32], ptr %29, i64 0, i64 0
  %31 = load i32, ptr %7, align 4, !tbaa !5
  %32 = sext i32 %31 to i64
  %33 = getelementptr inbounds [2 x i32], ptr %20, i64 %32
  %34 = getelementptr inbounds [2 x i32], ptr %33, i64 0, i64 1
  %35 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %30, ptr noundef %34)
  br label %36

36:                                               ; preds = %26
  %37 = load i32, ptr %7, align 4, !tbaa !5
  %38 = add nsw i32 %37, 1
  store i32 %38, ptr %7, align 4, !tbaa !5
  br label %21, !llvm.loop !9

39:                                               ; preds = %25
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  store i32 0, ptr %8, align 4, !tbaa !5
  br label %40

40:                                               ; preds = %86, %39
  %41 = load i32, ptr %8, align 4, !tbaa !5
  %42 = load i32, ptr %3, align 4, !tbaa !5
  %43 = sub nsw i32 %42, 1
  %44 = icmp slt i32 %41, %43
  br i1 %44, label %46, label %45

45:                                               ; preds = %40
  store i32 7, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  br label %89

46:                                               ; preds = %40
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #4
  %47 = load i32, ptr %8, align 4, !tbaa !5
  %48 = add nsw i32 %47, 1
  store i32 %48, ptr %10, align 4, !tbaa !5
  br label %49

49:                                               ; preds = %82, %46
  %50 = load i32, ptr %10, align 4, !tbaa !5
  %51 = load i32, ptr %3, align 4, !tbaa !5
  %52 = icmp slt i32 %50, %51
  br i1 %52, label %54, label %53

53:                                               ; preds = %49
  store i32 10, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #4
  br label %85

54:                                               ; preds = %49
  %55 = load i32, ptr %8, align 4, !tbaa !5
  %56 = sext i32 %55 to i64
  %57 = getelementptr inbounds [2 x i32], ptr %20, i64 %56
  %58 = getelementptr inbounds [2 x i32], ptr %57, i64 0, i64 0
  %59 = load i32, ptr %58, align 8, !tbaa !5
  %60 = load i32, ptr %10, align 4, !tbaa !5
  %61 = sext i32 %60 to i64
  %62 = getelementptr inbounds [2 x i32], ptr %20, i64 %61
  %63 = getelementptr inbounds [2 x i32], ptr %62, i64 0, i64 0
  %64 = load i32, ptr %63, align 8, !tbaa !5
  %65 = icmp ne i32 %59, %64
  br i1 %65, label %66, label %81

66:                                               ; preds = %54
  %67 = load i32, ptr %8, align 4, !tbaa !5
  %68 = sext i32 %67 to i64
  %69 = getelementptr inbounds [2 x i32], ptr %20, i64 %68
  %70 = getelementptr inbounds [2 x i32], ptr %69, i64 0, i64 1
  %71 = load i32, ptr %70, align 4, !tbaa !5
  %72 = load i32, ptr %10, align 4, !tbaa !5
  %73 = sext i32 %72 to i64
  %74 = getelementptr inbounds [2 x i32], ptr %20, i64 %73
  %75 = getelementptr inbounds [2 x i32], ptr %74, i64 0, i64 1
  %76 = load i32, ptr %75, align 4, !tbaa !5
  %77 = icmp ne i32 %71, %76
  br i1 %77, label %78, label %81

78:                                               ; preds = %66
  %79 = load i32, ptr %6, align 4, !tbaa !5
  %80 = add nsw i32 %79, 1
  store i32 %80, ptr %6, align 4, !tbaa !5
  br label %81

81:                                               ; preds = %78, %66, %54
  br label %82

82:                                               ; preds = %81
  %83 = load i32, ptr %10, align 4, !tbaa !5
  %84 = add nsw i32 %83, 1
  store i32 %84, ptr %10, align 4, !tbaa !5
  br label %49, !llvm.loop !11

85:                                               ; preds = %53
  br label %86

86:                                               ; preds = %85
  %87 = load i32, ptr %8, align 4, !tbaa !5
  %88 = add nsw i32 %87, 1
  store i32 %88, ptr %8, align 4, !tbaa !5
  br label %40, !llvm.loop !12

89:                                               ; preds = %45
  %90 = load i32, ptr %6, align 4, !tbaa !5
  %91 = call i32 (ptr, ...) @printf(ptr noundef @.str.2, i32 noundef %90)
  %92 = load i32, ptr %2, align 4, !tbaa !5
  %93 = add nsw i32 %92, -1
  store i32 %93, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  %94 = load ptr, ptr %4, align 8
  call void @llvm.stackrestore.p0(ptr %94)
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #4
  br label %12, !llvm.loop !13

95:                                               ; preds = %12
  store i32 0, ptr %1, align 4
  store i32 1, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #4
  %96 = load i32, ptr %1, align 4
  ret i32 %96
}

; 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 willreturn
declare ptr @llvm.stacksave.p0() #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

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #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 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 willreturn }
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 = !{!"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}
!12 = distinct !{!12, !10}
!13 = distinct !{!13, !10}


; 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 [5 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: nofree nounwind uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #4
  %3 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %4 = load i32, ptr %1, align 4, !tbaa !5
  %5 = icmp sgt i32 %4, 0
  br i1 %5, label %.lr.ph30, label %._crit_edge31

.lr.ph30:                                         ; preds = %0, %._crit_edge
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #4
  %6 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %2)
  %7 = load i32, ptr %2, align 4, !tbaa !5
  %8 = zext i32 %7 to i64
  %9 = call ptr @llvm.stacksave.p0()
  %10 = alloca [2 x i32], i64 %8, align 16
  %11 = load i32, ptr %2, align 4, !tbaa !5
  %12 = icmp sgt i32 %11, 0
  br i1 %12, label %.lr.ph, label %._crit_edge

.preheader:                                       ; preds = %.lr.ph
  %13 = icmp sgt i32 %18, 1
  br i1 %13, label %.lr.ph27.preheader, label %._crit_edge

.lr.ph27.preheader:                               ; preds = %.preheader
  %14 = add nsw i32 %18, -1
  %wide.trip.count42 = zext nneg i32 %14 to i64
  %wide.trip.count = zext nneg i32 %18 to i64
  br label %.lr.ph23

.lr.ph:                                           ; preds = %.lr.ph30, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %.lr.ph30 ]
  %15 = getelementptr inbounds [2 x i32], ptr %10, i64 %indvars.iv
  %16 = getelementptr inbounds i8, ptr %15, i64 4
  %17 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %15, ptr noundef nonnull %16)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %18 = load i32, ptr %2, align 4, !tbaa !5
  %19 = sext i32 %18 to i64
  %20 = icmp slt i64 %indvars.iv.next, %19
  br i1 %20, label %.lr.ph, label %.preheader, !llvm.loop !9

.loopexit:                                        ; preds = %37
  %indvars.iv.next35 = add nuw nsw i64 %indvars.iv34, 1
  %exitcond43.not = icmp eq i64 %indvars.iv.next40, %wide.trip.count42
  br i1 %exitcond43.not, label %._crit_edge, label %.lr.ph23, !llvm.loop !11

._crit_edge:                                      ; preds = %.loopexit, %.lr.ph30, %.preheader
  %.018.lcssa = phi i32 [ 0, %.preheader ], [ 0, %.lr.ph30 ], [ %.2, %.loopexit ]
  %21 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i32 noundef %.018.lcssa)
  %22 = load i32, ptr %1, align 4, !tbaa !5
  %23 = add nsw i32 %22, -1
  store i32 %23, ptr %1, align 4, !tbaa !5
  call void @llvm.stackrestore.p0(ptr %9)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #4
  %24 = load i32, ptr %1, align 4, !tbaa !5
  %25 = icmp sgt i32 %24, 0
  br i1 %25, label %.lr.ph30, label %._crit_edge31, !llvm.loop !12

.lr.ph23:                                         ; preds = %.loopexit, %.lr.ph27.preheader
  %indvars.iv39 = phi i64 [ 0, %.lr.ph27.preheader ], [ %indvars.iv.next40, %.loopexit ]
  %indvars.iv34 = phi i64 [ 1, %.lr.ph27.preheader ], [ %indvars.iv.next35, %.loopexit ]
  %.01825 = phi i32 [ 0, %.lr.ph27.preheader ], [ %.2, %.loopexit ]
  %indvars.iv.next40 = add nuw nsw i64 %indvars.iv39, 1
  %26 = getelementptr inbounds [2 x i32], ptr %10, i64 %indvars.iv39
  %27 = load i32, ptr %26, align 8, !tbaa !5
  %28 = getelementptr inbounds i8, ptr %26, i64 4
  br label %29

29:                                               ; preds = %.lr.ph23, %37
  %indvars.iv36 = phi i64 [ %indvars.iv34, %.lr.ph23 ], [ %indvars.iv.next37, %37 ]
  %.121 = phi i32 [ %.01825, %.lr.ph23 ], [ %.2, %37 ]
  %30 = getelementptr inbounds [2 x i32], ptr %10, i64 %indvars.iv36
  %31 = load i32, ptr %30, align 8, !tbaa !5
  %.not = icmp eq i32 %27, %31
  br i1 %.not, label %37, label %32

32:                                               ; preds = %29
  %33 = load i32, ptr %28, align 4, !tbaa !5
  %34 = getelementptr inbounds i8, ptr %30, i64 4
  %35 = load i32, ptr %34, align 4, !tbaa !5
  %.not19 = icmp ne i32 %33, %35
  %36 = zext i1 %.not19 to i32
  %spec.select = add nsw i32 %.121, %36
  br label %37

37:                                               ; preds = %32, %29
  %.2 = phi i32 [ %.121, %29 ], [ %spec.select, %32 ]
  %indvars.iv.next37 = add nuw nsw i64 %indvars.iv36, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next37, %wide.trip.count
  br i1 %exitcond.not, label %.loopexit, label %29, !llvm.loop !13

._crit_edge31:                                    ; preds = %._crit_edge, %0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #4
  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: mustprogress nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #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

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #3

attributes #0 = { nofree 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 nocallback nofree nosync nounwind willreturn }
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 = !{!"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}
!12 = distinct !{!12, !10}
!13 = distinct !{!13, !10}


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