; LLVM IR from ahampriyanshu/algo-ds-101 :: Data-Structures/Tree/Fibonacci-Heap (Fibonacci-Heap)

; 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.9 = external hidden unnamed_addr constant [41 x i8], align 1
@.str.10 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.11 = external hidden unnamed_addr constant [31 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local ptr @make_fib_heap() #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 allocsize(0)
declare noalias ptr @malloc(i64 noundef) #2

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

declare i32 @printf(ptr noundef, ...) #3

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

; Function Attrs: nounwind uwtable
define dso_local ptr @insertion_procedure() #0 {
  %1 = alloca ptr, align 8
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %1) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #4
  %6 = call noalias ptr @malloc(i64 noundef 24) #5
  store ptr %6, ptr %1, align 8, !tbaa !5
  store ptr null, ptr %1, align 8, !tbaa !5
  %7 = load ptr, ptr %1, align 8, !tbaa !5
  %8 = icmp eq ptr %7, null
  br i1 %8, label %9, label %11

9:                                                ; preds = %0
  %10 = call ptr @make_fib_heap()
  store ptr %10, ptr %1, align 8, !tbaa !5
  br label %11

11:                                               ; preds = %9, %0
  %12 = call i32 (ptr, ...) @printf(ptr noundef @.str.9)
  %13 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.10, ptr noundef %2)
  store i32 1, ptr %4, align 4, !tbaa !9
  br label %14

14:                                               ; preds = %25, %11
  %15 = load i32, ptr %4, align 4, !tbaa !9
  %16 = load i32, ptr %2, align 4, !tbaa !9
  %17 = icmp sle i32 %15, %16
  br i1 %17, label %18, label %28

18:                                               ; preds = %14
  %19 = load i32, ptr %4, align 4, !tbaa !9
  %20 = call i32 (ptr, ...) @printf(ptr noundef @.str.11, i32 noundef %19)
  %21 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.10, ptr noundef %3)
  %22 = load ptr, ptr %1, align 8, !tbaa !5
  %23 = load ptr, ptr %5, align 8, !tbaa !5
  %24 = load i32, ptr %3, align 4, !tbaa !9
  call void @insertion(ptr noundef %22, ptr noundef %23, i32 noundef %24)
  br label %25

25:                                               ; preds = %18
  %26 = load i32, ptr %4, align 4, !tbaa !9
  %27 = add nsw i32 %26, 1
  store i32 %27, ptr %4, align 4, !tbaa !9
  br label %14, !llvm.loop !11

28:                                               ; preds = %14
  %29 = load ptr, ptr %1, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %1) #4
  ret ptr %29
}

declare i32 @__isoc99_scanf(ptr noundef, ...) #3

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 = { nounwind allocsize(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 = { "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 = { nounwind }
attributes #5 = { nounwind allocsize(0) }

!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/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"

@.str.9 = external hidden unnamed_addr constant [41 x i8], align 1
@.str.10 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.11 = external hidden unnamed_addr constant [31 x i8], align 1

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

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

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

; Function Attrs: nounwind uwtable
define dso_local ptr @insertion_procedure() local_unnamed_addr #0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #3
  %3 = tail call ptr @make_fib_heap()
  %4 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.9)
  %5 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.10, ptr noundef nonnull %1)
  %6 = load i32, ptr %1, align 4, !tbaa !5
  %.not7 = icmp slt i32 %6, 1
  br i1 %.not7, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %0, %.lr.ph
  %.068 = phi i32 [ %10, %.lr.ph ], [ 1, %0 ]
  %7 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.11, i32 noundef %.068)
  %8 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.10, ptr noundef nonnull %2)
  %9 = load i32, ptr %2, align 4, !tbaa !5
  call void @insertion(ptr noundef %3, ptr noundef undef, i32 noundef %9)
  %10 = add nuw nsw i32 %.068, 1
  %11 = load i32, ptr %1, align 4, !tbaa !5
  %.not.not = icmp slt i32 %.068, %11
  br i1 %.not.not, label %.lr.ph, label %._crit_edge, !llvm.loop !9

._crit_edge:                                      ; preds = %.lr.ph, %0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #3
  ret ptr %3
}

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

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 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


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