; LLVM IR from pavlosdais/Abstract-Data-Types :: modules/PriorityQueue (pq)

; 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"

%struct.pq = type { ptr, i64, i64, ptr, ptr }
%struct.node = type { ptr }

@.str.1 = external hidden unnamed_addr constant [91 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [11 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [16 x i8], align 1
@__PRETTY_FUNCTION__.pq_insert = external hidden unnamed_addr constant [44 x i8], align 1

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #0

; Function Attrs: nounwind uwtable
define dso_local void @pq_insert(ptr noundef %0, ptr noundef %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %5 = load ptr, ptr %3, align 8, !tbaa !5
  %6 = icmp ne ptr %5, null
  br i1 %6, label %7, label %8

7:                                                ; preds = %2
  br label %9

8:                                                ; preds = %2
  call void @__assert_fail(ptr noundef @.str.2, ptr noundef @.str.1, i32 noundef 71, ptr noundef @__PRETTY_FUNCTION__.pq_insert) #4
  unreachable

9:                                                ; preds = %7
  %10 = load ptr, ptr %3, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct.pq, ptr %10, i32 0, i32 1
  %12 = load i64, ptr %11, align 8, !tbaa !9
  %13 = load ptr, ptr %3, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct.pq, ptr %13, i32 0, i32 2
  %15 = load i64, ptr %14, align 8, !tbaa !12
  %16 = icmp eq i64 %12, %15
  br i1 %16, label %17, label %39

17:                                               ; preds = %9
  %18 = load ptr, ptr %3, align 8, !tbaa !5
  %19 = getelementptr inbounds %struct.pq, ptr %18, i32 0, i32 2
  %20 = load i64, ptr %19, align 8, !tbaa !12
  %21 = mul i64 %20, 2
  store i64 %21, ptr %19, align 8, !tbaa !12
  %22 = load ptr, ptr %3, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.pq, ptr %22, i32 0, i32 0
  %24 = load ptr, ptr %23, align 8, !tbaa !13
  %25 = load ptr, ptr %3, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.pq, ptr %25, i32 0, i32 2
  %27 = load i64, ptr %26, align 8, !tbaa !12
  %28 = mul i64 %27, 8
  %29 = call ptr @realloc(ptr noundef %24, i64 noundef %28) #5
  %30 = load ptr, ptr %3, align 8, !tbaa !5
  %31 = getelementptr inbounds %struct.pq, ptr %30, i32 0, i32 0
  store ptr %29, ptr %31, align 8, !tbaa !13
  %32 = load ptr, ptr %3, align 8, !tbaa !5
  %33 = getelementptr inbounds %struct.pq, ptr %32, i32 0, i32 0
  %34 = load ptr, ptr %33, align 8, !tbaa !13
  %35 = icmp ne ptr %34, null
  br i1 %35, label %36, label %37

36:                                               ; preds = %17
  br label %38

37:                                               ; preds = %17
  call void @__assert_fail(ptr noundef @.str.3, ptr noundef @.str.1, i32 noundef 79, ptr noundef @__PRETTY_FUNCTION__.pq_insert) #4
  unreachable

38:                                               ; preds = %36
  br label %39

39:                                               ; preds = %38, %9
  %40 = load ptr, ptr %4, align 8, !tbaa !5
  %41 = load ptr, ptr %3, align 8, !tbaa !5
  %42 = getelementptr inbounds %struct.pq, ptr %41, i32 0, i32 0
  %43 = load ptr, ptr %42, align 8, !tbaa !13
  %44 = load ptr, ptr %3, align 8, !tbaa !5
  %45 = getelementptr inbounds %struct.pq, ptr %44, i32 0, i32 1
  %46 = load i64, ptr %45, align 8, !tbaa !9
  %47 = getelementptr inbounds %struct.node, ptr %43, i64 %46
  %48 = getelementptr inbounds %struct.node, ptr %47, i32 0, i32 0
  store ptr %40, ptr %48, align 8, !tbaa !14
  %49 = load ptr, ptr %3, align 8, !tbaa !5
  %50 = load ptr, ptr %3, align 8, !tbaa !5
  %51 = getelementptr inbounds %struct.pq, ptr %50, i32 0, i32 1
  %52 = load i64, ptr %51, align 8, !tbaa !9
  call void @bubble_up(ptr noundef %49, i64 noundef %52)
  %53 = load ptr, ptr %3, align 8, !tbaa !5
  %54 = getelementptr inbounds %struct.pq, ptr %53, i32 0, i32 1
  %55 = load i64, ptr %54, align 8, !tbaa !9
  %56 = add i64 %55, 1
  store i64 %56, ptr %54, align 8, !tbaa !9
  ret void
}

; Function Attrs: nounwind allocsize(1)
declare ptr @realloc(ptr noundef, i64 noundef) #2

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @bubble_up(ptr noundef, i64 noundef) #3

attributes #0 = { noreturn 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 #1 = { 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 = { nounwind allocsize(1) "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 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 #4 = { noreturn nounwind }
attributes #5 = { nounwind allocsize(1) }

!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, !11, i64 8}
!10 = !{!"pq", !6, i64 0, !11, i64 8, !11, i64 16, !6, i64 24, !6, i64 32}
!11 = !{!"long", !7, i64 0}
!12 = !{!10, !11, i64 16}
!13 = !{!10, !6, i64 0}
!14 = !{!15, !6, i64 0}
!15 = !{!"node", !6, i64 0}


; 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"

%struct.node = type { ptr }

@.str.1 = external hidden unnamed_addr constant [91 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [11 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [16 x i8], align 1
@__PRETTY_FUNCTION__.pq_insert = external hidden unnamed_addr constant [44 x i8], align 1

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local void @pq_insert(ptr noundef %0, ptr noundef %1) local_unnamed_addr #1 {
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %3, label %4

3:                                                ; preds = %2
  tail call void @__assert_fail(ptr noundef nonnull @.str.2, ptr noundef nonnull @.str.1, i32 noundef 71, ptr noundef nonnull @__PRETTY_FUNCTION__.pq_insert) #4
  unreachable

4:                                                ; preds = %2
  %5 = getelementptr inbounds i8, ptr %0, i64 8
  %6 = load i64, ptr %5, align 8, !tbaa !5
  %7 = getelementptr inbounds i8, ptr %0, i64 16
  %8 = load i64, ptr %7, align 8, !tbaa !11
  %9 = icmp eq i64 %6, %8
  %.pre = load ptr, ptr %0, align 8, !tbaa !12
  br i1 %9, label %10, label %15

10:                                               ; preds = %4
  %11 = shl i64 %6, 1
  store i64 %11, ptr %7, align 8, !tbaa !11
  %12 = shl i64 %6, 4
  %13 = tail call ptr @realloc(ptr noundef %.pre, i64 noundef %12) #5
  store ptr %13, ptr %0, align 8, !tbaa !12
  %.not15 = icmp eq ptr %13, null
  br i1 %.not15, label %14, label %._crit_edge

._crit_edge:                                      ; preds = %10
  %.pre16 = load i64, ptr %5, align 8, !tbaa !5
  br label %15

14:                                               ; preds = %10
  tail call void @__assert_fail(ptr noundef nonnull @.str.3, ptr noundef nonnull @.str.1, i32 noundef 79, ptr noundef nonnull @__PRETTY_FUNCTION__.pq_insert) #4
  unreachable

15:                                               ; preds = %._crit_edge, %4
  %16 = phi i64 [ %.pre16, %._crit_edge ], [ %6, %4 ]
  %17 = phi ptr [ %13, %._crit_edge ], [ %.pre, %4 ]
  %18 = getelementptr inbounds %struct.node, ptr %17, i64 %16
  store ptr %1, ptr %18, align 8, !tbaa !13
  tail call void @bubble_up(ptr noundef nonnull %0, i64 noundef %16)
  %19 = load i64, ptr %5, align 8, !tbaa !5
  %20 = add i64 %19, 1
  store i64 %20, ptr %5, align 8, !tbaa !5
  ret void
}

; Function Attrs: mustprogress nounwind willreturn allockind("realloc") allocsize(1) memory(argmem: readwrite, inaccessiblemem: readwrite)
declare noalias noundef ptr @realloc(ptr allocptr nocapture noundef, i64 noundef) local_unnamed_addr #2

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @bubble_up(ptr noundef, i64 noundef) local_unnamed_addr #3

attributes #0 = { noreturn 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 #1 = { 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 nounwind willreturn allockind("realloc") allocsize(1) memory(argmem: readwrite, inaccessiblemem: readwrite) "alloc-family"="malloc" "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 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 #4 = { noreturn nounwind }
attributes #5 = { nounwind allocsize(1) }

!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, !10, i64 8}
!6 = !{!"pq", !7, i64 0, !10, i64 8, !10, i64 16, !7, i64 24, !7, i64 32}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"long", !8, i64 0}
!11 = !{!6, !10, i64 16}
!12 = !{!6, !7, i64 0}
!13 = !{!14, !7, i64 0}
!14 = !{!"node", !7, i64 0}


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