; LLVM IR from DionysiosB/CodeForces :: 1759C-Thermostat (main)

; 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 [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [12 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [8 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [3 x i8], align 1

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

9:                                                ; preds = %98, %0
  %10 = load i64, ptr %2, align 8, !tbaa !5
  %11 = add nsw i64 %10, -1
  store i64 %11, ptr %2, align 8, !tbaa !5
  %12 = icmp ne i64 %10, 0
  br i1 %12, label %13, label %99

13:                                               ; preds = %9
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  %14 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %3, ptr noundef %4, ptr noundef %5)
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  %15 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.2, ptr noundef %6, ptr noundef %7)
  %16 = load i64, ptr %6, align 8, !tbaa !5
  %17 = load i64, ptr %7, align 8, !tbaa !5
  %18 = icmp eq i64 %16, %17
  br i1 %18, label %19, label %21

19:                                               ; preds = %13
  %20 = call i32 @puts(ptr noundef @.str.3)
  br label %98

21:                                               ; preds = %13
  %22 = load i64, ptr %6, align 8, !tbaa !5
  %23 = load i64, ptr %7, align 8, !tbaa !5
  %24 = load i64, ptr %5, align 8, !tbaa !5
  %25 = add nsw i64 %23, %24
  %26 = icmp sge i64 %22, %25
  br i1 %26, label %33, label %27

27:                                               ; preds = %21
  %28 = load i64, ptr %7, align 8, !tbaa !5
  %29 = load i64, ptr %6, align 8, !tbaa !5
  %30 = load i64, ptr %5, align 8, !tbaa !5
  %31 = add nsw i64 %29, %30
  %32 = icmp sge i64 %28, %31
  br i1 %32, label %33, label %35

33:                                               ; preds = %27, %21
  %34 = call i32 @puts(ptr noundef @.str.4)
  br label %97

35:                                               ; preds = %27
  %36 = load i64, ptr %6, align 8, !tbaa !5
  %37 = load i64, ptr %3, align 8, !tbaa !5
  %38 = load i64, ptr %5, align 8, !tbaa !5
  %39 = add nsw i64 %37, %38
  %40 = icmp sge i64 %36, %39
  br i1 %40, label %41, label %49

41:                                               ; preds = %35
  %42 = load i64, ptr %7, align 8, !tbaa !5
  %43 = load i64, ptr %3, align 8, !tbaa !5
  %44 = load i64, ptr %5, align 8, !tbaa !5
  %45 = add nsw i64 %43, %44
  %46 = icmp sge i64 %42, %45
  br i1 %46, label %47, label %49

47:                                               ; preds = %41
  %48 = call i32 @puts(ptr noundef @.str.5)
  br label %96

49:                                               ; preds = %41, %35
  %50 = load i64, ptr %4, align 8, !tbaa !5
  %51 = load i64, ptr %6, align 8, !tbaa !5
  %52 = load i64, ptr %5, align 8, !tbaa !5
  %53 = add nsw i64 %51, %52
  %54 = icmp sge i64 %50, %53
  br i1 %54, label %55, label %63

55:                                               ; preds = %49
  %56 = load i64, ptr %4, align 8, !tbaa !5
  %57 = load i64, ptr %7, align 8, !tbaa !5
  %58 = load i64, ptr %5, align 8, !tbaa !5
  %59 = add nsw i64 %57, %58
  %60 = icmp sge i64 %56, %59
  br i1 %60, label %61, label %63

61:                                               ; preds = %55
  %62 = call i32 @puts(ptr noundef @.str.5)
  br label %95

63:                                               ; preds = %55, %49
  %64 = load i64, ptr %6, align 8, !tbaa !5
  %65 = load i64, ptr %3, align 8, !tbaa !5
  %66 = load i64, ptr %5, align 8, !tbaa !5
  %67 = add nsw i64 %65, %66
  %68 = icmp sge i64 %64, %67
  br i1 %68, label %69, label %77

69:                                               ; preds = %63
  %70 = load i64, ptr %4, align 8, !tbaa !5
  %71 = load i64, ptr %7, align 8, !tbaa !5
  %72 = load i64, ptr %5, align 8, !tbaa !5
  %73 = add nsw i64 %71, %72
  %74 = icmp sge i64 %70, %73
  br i1 %74, label %75, label %77

75:                                               ; preds = %69
  %76 = call i32 @puts(ptr noundef @.str.6)
  br label %94

77:                                               ; preds = %69, %63
  %78 = load i64, ptr %4, align 8, !tbaa !5
  %79 = load i64, ptr %6, align 8, !tbaa !5
  %80 = load i64, ptr %5, align 8, !tbaa !5
  %81 = add nsw i64 %79, %80
  %82 = icmp sge i64 %78, %81
  br i1 %82, label %83, label %91

83:                                               ; preds = %77
  %84 = load i64, ptr %7, align 8, !tbaa !5
  %85 = load i64, ptr %3, align 8, !tbaa !5
  %86 = load i64, ptr %5, align 8, !tbaa !5
  %87 = add nsw i64 %85, %86
  %88 = icmp sge i64 %84, %87
  br i1 %88, label %89, label %91

89:                                               ; preds = %83
  %90 = call i32 @puts(ptr noundef @.str.6)
  br label %93

91:                                               ; preds = %83, %77
  %92 = call i32 @puts(ptr noundef @.str.7)
  br label %93

93:                                               ; preds = %91, %89
  br label %94

94:                                               ; preds = %93, %75
  br label %95

95:                                               ; preds = %94, %61
  br label %96

96:                                               ; preds = %95, %47
  br label %97

97:                                               ; preds = %96, %33
  br label %98

98:                                               ; preds = %97, %19
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  br label %9, !llvm.loop !9

99:                                               ; preds = %9
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #3
  %100 = load i32, ptr %1, align 4
  ret i32 %100
}

; 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 @puts(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 = !{!"long", !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 [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [12 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [8 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: mustprogress nofree norecurse nounwind uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = alloca i64, align 8
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #3
  %7 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %8 = load i64, ptr %1, align 8, !tbaa !5
  %9 = add nsw i64 %8, -1
  store i64 %9, ptr %1, align 8, !tbaa !5
  %.not17 = icmp eq i64 %8, 0
  br i1 %.not17, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %0, %26
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #3
  %10 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %2, ptr noundef nonnull %3, ptr noundef nonnull %4)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #3
  %11 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.2, ptr noundef nonnull %5, ptr noundef nonnull %6)
  %12 = load i64, ptr %5, align 8, !tbaa !5
  %13 = load i64, ptr %6, align 8, !tbaa !5
  %14 = icmp eq i64 %12, %13
  br i1 %14, label %26, label %15

15:                                               ; preds = %.lr.ph
  %16 = load i64, ptr %4, align 8, !tbaa !5
  %17 = add nsw i64 %16, %13
  %.not4 = icmp slt i64 %12, %17
  %18 = add nsw i64 %16, %12
  %.not5 = icmp slt i64 %13, %18
  %or.cond = select i1 %.not4, i1 %.not5, i1 false
  br i1 %or.cond, label %19, label %26

19:                                               ; preds = %15
  %20 = load i64, ptr %2, align 8, !tbaa !5
  %21 = add nsw i64 %20, %16
  %.not6 = icmp slt i64 %12, %21
  %.not7 = icmp slt i64 %13, %21
  %or.cond14 = or i1 %.not6, %.not7
  br i1 %or.cond14, label %22, label %26

22:                                               ; preds = %19
  %23 = load i64, ptr %3, align 8, !tbaa !5
  %.not8 = icmp slt i64 %23, %18
  %.not9 = icmp slt i64 %23, %17
  %or.cond15 = or i1 %.not8, %.not9
  br i1 %or.cond15, label %24, label %26

24:                                               ; preds = %22
  %or.cond16 = or i1 %.not6, %.not9
  br i1 %or.cond16, label %25, label %26

25:                                               ; preds = %24
  %brmerge = or i1 %.not7, %.not8
  %.str.7..str.6 = select i1 %brmerge, ptr @.str.7, ptr @.str.6
  br label %26

26:                                               ; preds = %25, %24, %22, %19, %15, %.lr.ph
  %.str.4.sink = phi ptr [ @.str.3, %.lr.ph ], [ @.str.4, %15 ], [ @.str.5, %19 ], [ @.str.5, %22 ], [ @.str.6, %24 ], [ %.str.7..str.6, %25 ]
  %27 = call i32 @puts(ptr noundef nonnull dereferenceable(1) %.str.4.sink)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #3
  %28 = load i64, ptr %1, align 8, !tbaa !5
  %29 = add nsw i64 %28, -1
  store i64 %29, ptr %1, align 8, !tbaa !5
  %.not = icmp eq i64 %28, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !9

._crit_edge:                                      ; preds = %26, %0
  call void @llvm.lifetime.end.p0(i64 8, 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 @puts(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 = !{!"long", !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,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass