; LLVM IR from tangjz/acm-icpc :: uvalive (7214)

; 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"

@t = external dso_local global i32, align 4
@val = external dso_local global [4 x i32], align 16
@op = external dso_local global [3 x i8], align 1
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [7 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_Z3dfsiii(i32 noundef, i32 noundef, i32 noundef) #0

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

7:                                                ; preds = %52, %0
  %8 = load i32, ptr %2, align 4, !tbaa !5
  %9 = load i32, ptr @t, align 4, !tbaa !5
  %10 = icmp sle i32 %8, %9
  br i1 %10, label %12, label %11

11:                                               ; preds = %7
  store i32 2, ptr %3, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #5
  br label %55

12:                                               ; preds = %7
  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 = %22, %12
  %14 = load i32, ptr %4, align 4, !tbaa !5
  %15 = icmp sle i32 %14, 3
  br i1 %15, label %17, label %16

16:                                               ; preds = %13
  store i32 5, ptr %3, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #5
  br label %25

17:                                               ; preds = %13
  %18 = load i32, ptr %4, align 4, !tbaa !5
  %19 = sext i32 %18 to i64
  %20 = getelementptr inbounds i32, ptr @val, i64 %19
  %21 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %20)
  br label %22

22:                                               ; preds = %17
  %23 = load i32, ptr %4, align 4, !tbaa !5
  %24 = add nsw i32 %23, 1
  store i32 %24, ptr %4, align 4, !tbaa !5
  br label %13, !llvm.loop !9

25:                                               ; preds = %16
  %26 = load i32, ptr @val, align 16, !tbaa !5
  %27 = call noundef zeroext i1 @_Z3dfsiii(i32 noundef 0, i32 noundef 2147483647, i32 noundef %26)
  %28 = load i32, ptr %2, align 4, !tbaa !5
  %29 = load i32, ptr @val, align 16, !tbaa !5
  %30 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, i32 noundef %28, i32 noundef %29)
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  store i32 0, ptr %5, align 4, !tbaa !5
  br label %31

31:                                               ; preds = %47, %25
  %32 = load i32, ptr %5, align 4, !tbaa !5
  %33 = icmp slt i32 %32, 3
  br i1 %33, label %35, label %34

34:                                               ; preds = %31
  store i32 8, ptr %3, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  br label %50

35:                                               ; preds = %31
  %36 = load i32, ptr %5, align 4, !tbaa !5
  %37 = sext i32 %36 to i64
  %38 = getelementptr inbounds [3 x i8], ptr @op, i64 0, i64 %37
  %39 = load i8, ptr %38, align 1, !tbaa !11
  %40 = sext i8 %39 to i32
  %41 = load i32, ptr %5, align 4, !tbaa !5
  %42 = add nsw i32 %41, 1
  %43 = sext i32 %42 to i64
  %44 = getelementptr inbounds [4 x i32], ptr @val, i64 0, i64 %43
  %45 = load i32, ptr %44, align 4, !tbaa !5
  %46 = call i32 (ptr, ...) @printf(ptr noundef @.str.2, i32 noundef %40, i32 noundef %45)
  br label %47

47:                                               ; preds = %35
  %48 = load i32, ptr %5, align 4, !tbaa !5
  %49 = add nsw i32 %48, 1
  store i32 %49, ptr %5, align 4, !tbaa !5
  br label %31, !llvm.loop !12

50:                                               ; preds = %34
  %51 = call i32 @putchar(i32 noundef 10)
  br label %52

52:                                               ; preds = %50
  %53 = load i32, ptr %2, align 4, !tbaa !5
  %54 = add nsw i32 %53, 1
  store i32 %54, ptr %2, align 4, !tbaa !5
  br label %7, !llvm.loop !13

55:                                               ; preds = %11
  ret i32 0
}

declare i32 @__isoc99_scanf(ptr noundef, ...) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

declare i32 @printf(ptr noundef, ...) #2

; Function Attrs: inlinehint mustprogress uwtable
declare i32 @putchar(i32 noundef) #4

attributes #0 = { mustprogress 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 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 #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 memory(argmem: readwrite) }
attributes #4 = { inlinehint mustprogress 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 #5 = { 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"}
!11 = !{!7, !7, i64 0}
!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"

@t = external dso_local global i32, align 4
@val = external dso_local global [4 x i32], align 16
@op = external dso_local local_unnamed_addr global [3 x i8], align 1
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [7 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_Z3dfsiii(i32 noundef, i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #1 {
  %1 = tail call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull @t)
  %2 = load i32, ptr @t, align 4, !tbaa !5
  %.not14 = icmp slt i32 %2, 1
  br i1 %.not14, label %._crit_edge, label %.preheader

.preheader:                                       ; preds = %0, %.preheader
  %.01115 = phi i32 [ %24, %.preheader ], [ 1, %0 ]
  %3 = tail call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull @val)
  %4 = tail call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull getelementptr inbounds (i8, ptr @val, i64 4))
  %5 = tail call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull getelementptr inbounds (i8, ptr @val, i64 8))
  %6 = tail call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull getelementptr inbounds (i8, ptr @val, i64 12))
  %7 = load i32, ptr @val, align 16, !tbaa !5
  %8 = tail call noundef zeroext i1 @_Z3dfsiii(i32 noundef 0, i32 noundef 2147483647, i32 noundef %7)
  %9 = load i32, ptr @val, align 16, !tbaa !5
  %10 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i32 noundef %.01115, i32 noundef %9)
  %11 = load i8, ptr @op, align 1, !tbaa !9
  %12 = sext i8 %11 to i32
  %13 = load i32, ptr getelementptr inbounds (i8, ptr @val, i64 4), align 4, !tbaa !5
  %14 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i32 noundef %12, i32 noundef %13)
  %15 = load i8, ptr getelementptr inbounds (i8, ptr @op, i64 1), align 1, !tbaa !9
  %16 = sext i8 %15 to i32
  %17 = load i32, ptr getelementptr inbounds (i8, ptr @val, i64 8), align 8, !tbaa !5
  %18 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i32 noundef %16, i32 noundef %17)
  %19 = load i8, ptr getelementptr inbounds (i8, ptr @op, i64 2), align 1, !tbaa !9
  %20 = sext i8 %19 to i32
  %21 = load i32, ptr getelementptr inbounds (i8, ptr @val, i64 12), align 4, !tbaa !5
  %22 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i32 noundef %20, i32 noundef %21)
  %23 = tail call i32 @putchar(i32 noundef 10)
  %24 = add nuw nsw i32 %.01115, 1
  %25 = load i32, ptr @t, align 4, !tbaa !5
  %.not.not = icmp slt i32 %.01115, %25
  br i1 %.not.not, label %.preheader, label %._crit_edge, !llvm.loop !10

._crit_edge:                                      ; preds = %.preheader, %0
  ret i32 0
}

; 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: inlinehint mustprogress nofree nounwind uwtable
declare noundef i32 @putchar(i32 noundef) local_unnamed_addr #3

attributes #0 = { mustprogress 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 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 #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 = { inlinehint mustprogress 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" }

!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 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass