; LLVM IR from tangjz/acm-icpc :: luogu (1008)

; 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"

@_ZZ4mainE3buf = external hidden global [11 x i8], align 1
@.str = external hidden unnamed_addr constant [7 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [10 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
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #5
  store i32 123, ptr %2, align 4, !tbaa !5
  br label %6

6:                                                ; preds = %43, %0
  %7 = load i32, ptr %2, align 4, !tbaa !5
  %8 = icmp sle i32 %7, 333
  br i1 %8, label %10, label %9

9:                                                ; preds = %6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #5
  br label %46

10:                                               ; preds = %6
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #5
  %11 = load i32, ptr %2, align 4, !tbaa !5
  %12 = load i32, ptr %2, align 4, !tbaa !5
  %13 = add nsw i32 %11, %12
  store i32 %13, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #5
  %14 = load i32, ptr %3, align 4, !tbaa !5
  %15 = load i32, ptr %2, align 4, !tbaa !5
  %16 = add nsw i32 %14, %15
  store i32 %16, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  %17 = load i32, ptr %2, align 4, !tbaa !5
  %18 = load i32, ptr %3, align 4, !tbaa !5
  %19 = load i32, ptr %4, align 4, !tbaa !5
  %20 = call i32 (ptr, ptr, ...) @sprintf(ptr noundef @_ZZ4mainE3buf, ptr noundef @.str, i32 noundef %17, i32 noundef %18, i32 noundef %19) #5
  store i32 %20, ptr %5, align 4, !tbaa !5
  %21 = load i32, ptr %5, align 4, !tbaa !5
  %22 = sext i32 %21 to i64
  %23 = getelementptr inbounds i8, ptr @_ZZ4mainE3buf, i64 %22
  call void @_ZSt4sortIPcEvT_S1_(ptr noundef @_ZZ4mainE3buf, ptr noundef %23)
  %24 = load i32, ptr %5, align 4, !tbaa !5
  %25 = sext i32 %24 to i64
  %26 = getelementptr inbounds i8, ptr @_ZZ4mainE3buf, i64 %25
  %27 = call noundef ptr @_ZSt6uniqueIPcET_S1_S1_(ptr noundef @_ZZ4mainE3buf, ptr noundef %26)
  %28 = ptrtoint ptr %27 to i64
  %29 = sub i64 %28, ptrtoint (ptr @_ZZ4mainE3buf to i64)
  %30 = trunc i64 %29 to i32
  store i32 %30, ptr %5, align 4, !tbaa !5
  %31 = load i32, ptr %5, align 4, !tbaa !5
  %32 = icmp eq i32 %31, 9
  br i1 %32, label %33, label %42

33:                                               ; preds = %10
  %34 = load i8, ptr @_ZZ4mainE3buf, align 1, !tbaa !9
  %35 = sext i8 %34 to i32
  %36 = icmp ne i32 %35, 48
  br i1 %36, label %37, label %42

37:                                               ; preds = %33
  %38 = load i32, ptr %2, align 4, !tbaa !5
  %39 = load i32, ptr %3, align 4, !tbaa !5
  %40 = load i32, ptr %4, align 4, !tbaa !5
  %41 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, i32 noundef %38, i32 noundef %39, i32 noundef %40)
  br label %42

42:                                               ; preds = %37, %33, %10
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  br label %43

43:                                               ; preds = %42
  %44 = load i32, ptr %2, align 4, !tbaa !5
  %45 = add nsw i32 %44, 1
  store i32 %45, ptr %2, align 4, !tbaa !5
  br label %6, !llvm.loop !10

46:                                               ; preds = %9
  ret i32 0
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind
declare i32 @sprintf(ptr noundef, ptr noundef, ...) #2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIPcEvT_S1_(ptr noundef, ptr noundef) #3

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef ptr @_ZSt6uniqueIPcET_S1_S1_(ptr noundef, ptr noundef) #3

declare i32 @printf(ptr noundef, ...) #4

; 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 = { 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 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 #4 = { "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 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"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"

@_ZZ4mainE3buf = external hidden global [11 x i8], align 1
@.str = external hidden unnamed_addr constant [7 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [10 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  br label %2

1:                                                ; preds = %17
  ret i32 0

2:                                                ; preds = %0, %17
  %.017 = phi i32 [ 123, %0 ], [ %18, %17 ]
  %3 = shl nuw nsw i32 %.017, 1
  %4 = mul nuw nsw i32 %.017, 3
  %5 = tail call i32 (ptr, ptr, ...) @sprintf(ptr noundef nonnull dereferenceable(1) @_ZZ4mainE3buf, ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %.017, i32 noundef %3, i32 noundef %4) #3
  %6 = sext i32 %5 to i64
  %7 = getelementptr inbounds i8, ptr @_ZZ4mainE3buf, i64 %6
  tail call void @_ZSt4sortIPcEvT_S1_(ptr noundef nonnull @_ZZ4mainE3buf, ptr noundef nonnull %7)
  %8 = tail call noundef ptr @_ZSt6uniqueIPcET_S1_S1_(ptr noundef nonnull @_ZZ4mainE3buf, ptr noundef nonnull %7)
  %9 = ptrtoint ptr %8 to i64
  %10 = trunc i64 %9 to i32
  %11 = sub i32 %10, ptrtoint (ptr @_ZZ4mainE3buf to i32)
  %12 = icmp eq i32 %11, 9
  %13 = load i8, ptr @_ZZ4mainE3buf, align 1
  %14 = icmp ne i8 %13, 48
  %or.cond = select i1 %12, i1 %14, i1 false
  br i1 %or.cond, label %15, label %17

15:                                               ; preds = %2
  %16 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i32 noundef %.017, i32 noundef %3, i32 noundef %4)
  br label %17

17:                                               ; preds = %15, %2
  %18 = add nuw nsw i32 %.017, 1
  %exitcond.not = icmp eq i32 %18, 334
  br i1 %exitcond.not, label %1, label %2, !llvm.loop !5
}

; Function Attrs: nofree nounwind
declare noundef i32 @sprintf(ptr noalias nocapture noundef writeonly, ptr nocapture noundef readonly, ...) local_unnamed_addr #1

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIPcEvT_S1_(ptr noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef ptr @_ZSt6uniqueIPcET_S1_S1_(ptr noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #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 = { 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 #2 = { 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 #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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,SROAPass,SimplifyCFGPass,TailCallElimPass