; LLVM IR from JessonYue/LeetCodeLearning :: BaseDataStructure/queue (PriorityQueue)

; 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.6 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local ptr @init(i32 noundef) #0

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

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

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

; Function Attrs: nounwind uwtable
declare dso_local void @destroy(ptr noundef) #0

; Function Attrs: nounwind uwtable
declare dso_local void @insert(i32 noundef, ptr noundef) #0

; Function Attrs: nounwind uwtable
declare dso_local i32 @deleteMin(ptr noundef) #0

; Function Attrs: nounwind uwtable
declare dso_local i32 @isEmpty(ptr noundef) #0

; 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
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  store i32 30, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  %5 = load i32, ptr %3, align 4, !tbaa !5
  %6 = call ptr @init(i32 noundef %5)
  store ptr %6, ptr %4, align 8, !tbaa !9
  store i32 0, ptr %2, align 4, !tbaa !5
  br label %7

7:                                                ; preds = %14, %0
  %8 = load i32, ptr %2, align 4, !tbaa !5
  %9 = load i32, ptr %3, align 4, !tbaa !5
  %10 = icmp slt i32 %8, %9
  br i1 %10, label %11, label %17

11:                                               ; preds = %7
  %12 = load i32, ptr %2, align 4, !tbaa !5
  %13 = load ptr, ptr %4, align 8, !tbaa !9
  call void @insert(i32 noundef %12, ptr noundef %13)
  br label %14

14:                                               ; preds = %11
  %15 = load i32, ptr %2, align 4, !tbaa !5
  %16 = add nsw i32 %15, 1
  store i32 %16, ptr %2, align 4, !tbaa !5
  br label %7, !llvm.loop !11

17:                                               ; preds = %7
  br label %18

18:                                               ; preds = %23, %17
  %19 = load ptr, ptr %4, align 8, !tbaa !9
  %20 = call i32 @isEmpty(ptr noundef %19)
  %21 = icmp ne i32 %20, 0
  %22 = xor i1 %21, true
  br i1 %22, label %23, label %28

23:                                               ; preds = %18
  %24 = load ptr, ptr %4, align 8, !tbaa !9
  %25 = call i32 @deleteMin(ptr noundef %24)
  store i32 %25, ptr %2, align 4, !tbaa !5
  %26 = load i32, ptr %2, align 4, !tbaa !5
  %27 = call i32 (ptr, ...) @printf(ptr noundef @.str.6, i32 noundef %26)
  br label %18, !llvm.loop !13

28:                                               ; preds = %18
  %29 = load ptr, ptr %4, align 8, !tbaa !9
  call void @destroy(ptr noundef %29)
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #3
  ret i32 0
}

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 = { 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 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}


; 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.6 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local ptr @init(i32 noundef) local_unnamed_addr #0

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

; Function Attrs: nounwind uwtable
declare dso_local void @destroy(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local void @insert(i32 noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local i32 @deleteMin(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local i32 @isEmpty(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
.preheader:
  %0 = tail call ptr @init(i32 noundef 30)
  tail call void @insert(i32 noundef 0, ptr noundef %0)
  tail call void @insert(i32 noundef 1, ptr noundef %0)
  tail call void @insert(i32 noundef 2, ptr noundef %0)
  tail call void @insert(i32 noundef 3, ptr noundef %0)
  tail call void @insert(i32 noundef 4, ptr noundef %0)
  tail call void @insert(i32 noundef 5, ptr noundef %0)
  tail call void @insert(i32 noundef 6, ptr noundef %0)
  tail call void @insert(i32 noundef 7, ptr noundef %0)
  tail call void @insert(i32 noundef 8, ptr noundef %0)
  tail call void @insert(i32 noundef 9, ptr noundef %0)
  tail call void @insert(i32 noundef 10, ptr noundef %0)
  tail call void @insert(i32 noundef 11, ptr noundef %0)
  tail call void @insert(i32 noundef 12, ptr noundef %0)
  tail call void @insert(i32 noundef 13, ptr noundef %0)
  tail call void @insert(i32 noundef 14, ptr noundef %0)
  tail call void @insert(i32 noundef 15, ptr noundef %0)
  tail call void @insert(i32 noundef 16, ptr noundef %0)
  tail call void @insert(i32 noundef 17, ptr noundef %0)
  tail call void @insert(i32 noundef 18, ptr noundef %0)
  tail call void @insert(i32 noundef 19, ptr noundef %0)
  tail call void @insert(i32 noundef 20, ptr noundef %0)
  tail call void @insert(i32 noundef 21, ptr noundef %0)
  tail call void @insert(i32 noundef 22, ptr noundef %0)
  tail call void @insert(i32 noundef 23, ptr noundef %0)
  tail call void @insert(i32 noundef 24, ptr noundef %0)
  tail call void @insert(i32 noundef 25, ptr noundef %0)
  tail call void @insert(i32 noundef 26, ptr noundef %0)
  tail call void @insert(i32 noundef 27, ptr noundef %0)
  tail call void @insert(i32 noundef 28, ptr noundef %0)
  tail call void @insert(i32 noundef 29, ptr noundef %0)
  %1 = tail call i32 @isEmpty(ptr noundef %0)
  %.not10 = icmp eq i32 %1, 0
  br i1 %.not10, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %.preheader, %.lr.ph
  %2 = tail call i32 @deleteMin(ptr noundef %0)
  %3 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.6, i32 noundef %2)
  %4 = tail call i32 @isEmpty(ptr noundef %0)
  %.not = icmp eq i32 %4, 0
  br i1 %.not, label %.lr.ph, label %._crit_edge, !llvm.loop !5

._crit_edge:                                      ; preds = %.lr.ph, %.preheader
  tail call void @destroy(ptr noundef %0)
  ret i32 0
}

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 = { 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" }

!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: GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass