; LLVM IR from sunkafei/xcpc-algorithm-templates :: 算法/数据结构 (Treap)

; 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"

@nil = external dso_local global ptr, align 8
@__const.main.A = external hidden unnamed_addr constant [7 x i32], align 16
@.str = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z4initv() #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z6insertRP4nodei(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z4rankP4nodei(ptr noundef, i32 noundef) #2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z5rank1P4nodei(ptr noundef, i32 noundef) #2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z5rank2P4nodei(ptr noundef, i32 noundef) #2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #3 {
  %1 = alloca i32, align 4
  %2 = alloca ptr, align 8
  %3 = alloca [7 x i32], align 16
  %4 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @_Z4initv()
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #6
  %5 = load ptr, ptr @nil, align 8, !tbaa !5
  store ptr %5, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 28, ptr %3) #6
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %3, ptr align 16 @__const.main.A, i64 28, i1 false)
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #6
  store i32 0, ptr %4, align 4, !tbaa !9
  br label %6

6:                                                ; preds = %16, %0
  %7 = load i32, ptr %4, align 4, !tbaa !9
  %8 = zext i32 %7 to i64
  %9 = icmp ult i64 %8, 7
  br i1 %9, label %11, label %10

10:                                               ; preds = %6
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  br label %19

11:                                               ; preds = %6
  %12 = load i32, ptr %4, align 4, !tbaa !9
  %13 = zext i32 %12 to i64
  %14 = getelementptr inbounds [7 x i32], ptr %3, i64 0, i64 %13
  %15 = load i32, ptr %14, align 4, !tbaa !9
  call void @_Z6insertRP4nodei(ptr noundef nonnull align 8 dereferenceable(8) %2, i32 noundef %15)
  br label %16

16:                                               ; preds = %11
  %17 = load i32, ptr %4, align 4, !tbaa !9
  %18 = add i32 %17, 1
  store i32 %18, ptr %4, align 4, !tbaa !9
  br label %6, !llvm.loop !11

19:                                               ; preds = %10
  %20 = load ptr, ptr %2, align 8, !tbaa !5
  %21 = call noundef i32 @_Z4rankP4nodei(ptr noundef %20, i32 noundef 3)
  %22 = call i32 (ptr, ...) @printf(ptr noundef @.str, i32 noundef %21)
  %23 = load ptr, ptr %2, align 8, !tbaa !5
  %24 = call noundef i32 @_Z5rank1P4nodei(ptr noundef %23, i32 noundef 3)
  %25 = call i32 (ptr, ...) @printf(ptr noundef @.str, i32 noundef %24)
  %26 = load ptr, ptr %2, align 8, !tbaa !5
  %27 = call noundef i32 @_Z5rank2P4nodei(ptr noundef %26, i32 noundef 3)
  %28 = call i32 (ptr, ...) @printf(ptr noundef @.str, i32 noundef %27)
  call void @llvm.lifetime.end.p0(i64 28, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  ret 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) #4

declare i32 @printf(ptr noundef, ...) #5

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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 #2 = { 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 = { 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 #4 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #5 = { "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 #6 = { 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"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"

@nil = external dso_local local_unnamed_addr global ptr, align 8
@__const.main.A = external hidden unnamed_addr constant [7 x i32], align 16
@.str = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z4initv() local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z6insertRP4nodei(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z4rankP4nodei(ptr noundef, i32 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z5rank1P4nodei(ptr noundef, i32 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z5rank2P4nodei(ptr noundef, i32 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #3 {
  %1 = alloca ptr, align 8
  tail call void @_Z4initv()
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #5
  %2 = load ptr, ptr @nil, align 8, !tbaa !5
  store ptr %2, ptr %1, align 8, !tbaa !5
  %3 = load i32, ptr @__const.main.A, align 16, !tbaa !9
  call void @_Z6insertRP4nodei(ptr noundef nonnull align 8 dereferenceable(8) %1, i32 noundef %3)
  %4 = load i32, ptr getelementptr inbounds (i8, ptr @__const.main.A, i64 4), align 4, !tbaa !9
  call void @_Z6insertRP4nodei(ptr noundef nonnull align 8 dereferenceable(8) %1, i32 noundef %4)
  %5 = load i32, ptr getelementptr inbounds (i8, ptr @__const.main.A, i64 8), align 8, !tbaa !9
  call void @_Z6insertRP4nodei(ptr noundef nonnull align 8 dereferenceable(8) %1, i32 noundef %5)
  %6 = load i32, ptr getelementptr inbounds (i8, ptr @__const.main.A, i64 12), align 4, !tbaa !9
  call void @_Z6insertRP4nodei(ptr noundef nonnull align 8 dereferenceable(8) %1, i32 noundef %6)
  %7 = load i32, ptr getelementptr inbounds (i8, ptr @__const.main.A, i64 16), align 16, !tbaa !9
  call void @_Z6insertRP4nodei(ptr noundef nonnull align 8 dereferenceable(8) %1, i32 noundef %7)
  %8 = load i32, ptr getelementptr inbounds (i8, ptr @__const.main.A, i64 20), align 4, !tbaa !9
  call void @_Z6insertRP4nodei(ptr noundef nonnull align 8 dereferenceable(8) %1, i32 noundef %8)
  %9 = load i32, ptr getelementptr inbounds (i8, ptr @__const.main.A, i64 24), align 8, !tbaa !9
  call void @_Z6insertRP4nodei(ptr noundef nonnull align 8 dereferenceable(8) %1, i32 noundef %9)
  %10 = load ptr, ptr %1, align 8, !tbaa !5
  %11 = call noundef i32 @_Z4rankP4nodei(ptr noundef %10, i32 noundef 3)
  %12 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %11)
  %13 = load ptr, ptr %1, align 8, !tbaa !5
  %14 = call noundef i32 @_Z5rank1P4nodei(ptr noundef %13, i32 noundef 3)
  %15 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %14)
  %16 = load ptr, ptr %1, align 8, !tbaa !5
  %17 = call noundef i32 @_Z5rank2P4nodei(ptr noundef %16, i32 noundef 3)
  %18 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %17)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #5
  ret i32 0
}

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #4

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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 #2 = { 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 = { 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 #4 = { 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 #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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}


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