; LLVM IR from MakeContributions/DSA :: algorithms/C/tree (max-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"

%struct.HEAP = type { ptr, i32, i32 }

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

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

; Function Attrs: nounwind uwtable
define dso_local void @insert(ptr noundef %0, i32 noundef %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  %5 = load ptr, ptr %3, align 8, !tbaa !5
  %6 = load ptr, ptr %5, align 8, !tbaa !5
  %7 = getelementptr inbounds %struct.HEAP, ptr %6, i32 0, i32 1
  %8 = load i32, ptr %7, align 8, !tbaa !11
  %9 = load ptr, ptr %3, align 8, !tbaa !5
  %10 = load ptr, ptr %9, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct.HEAP, ptr %10, i32 0, i32 2
  %12 = load i32, ptr %11, align 4, !tbaa !13
  %13 = icmp eq i32 %8, %12
  br i1 %13, label %14, label %16

14:                                               ; preds = %2
  %15 = load ptr, ptr %3, align 8, !tbaa !5
  call void @allocate(ptr noundef %15)
  br label %16

16:                                               ; preds = %14, %2
  %17 = load i32, ptr %4, align 4, !tbaa !9
  %18 = load ptr, ptr %3, align 8, !tbaa !5
  %19 = load ptr, ptr %18, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.HEAP, ptr %19, i32 0, i32 0
  %21 = load ptr, ptr %20, align 8, !tbaa !14
  %22 = load ptr, ptr %3, align 8, !tbaa !5
  %23 = load ptr, ptr %22, align 8, !tbaa !5
  %24 = getelementptr inbounds %struct.HEAP, ptr %23, i32 0, i32 1
  %25 = load i32, ptr %24, align 8, !tbaa !11
  %26 = add nsw i32 %25, 1
  store i32 %26, ptr %24, align 8, !tbaa !11
  %27 = sext i32 %26 to i64
  %28 = getelementptr inbounds i32, ptr %21, i64 %27
  store i32 %17, ptr %28, align 4, !tbaa !9
  %29 = load ptr, ptr %3, align 8, !tbaa !5
  %30 = load ptr, ptr %3, align 8, !tbaa !5
  %31 = load ptr, ptr %30, align 8, !tbaa !5
  %32 = getelementptr inbounds %struct.HEAP, ptr %31, i32 0, i32 1
  %33 = load i32, ptr %32, align 8, !tbaa !11
  call void @heapify_up(ptr noundef %29, i32 noundef %33)
  ret void
}

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" }

!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 = !{!12, !10, i64 8}
!12 = !{!"HEAP", !6, i64 0, !10, i64 8, !10, i64 12}
!13 = !{!12, !10, i64 12}
!14 = !{!12, !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"

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

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

; Function Attrs: nounwind uwtable
define dso_local void @insert(ptr noundef %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = load ptr, ptr %0, align 8, !tbaa !5
  %4 = getelementptr inbounds i8, ptr %3, i64 8
  %5 = load i32, ptr %4, align 8, !tbaa !9
  %6 = getelementptr inbounds i8, ptr %3, i64 12
  %7 = load i32, ptr %6, align 4, !tbaa !12
  %8 = icmp eq i32 %5, %7
  br i1 %8, label %9, label %10

9:                                                ; preds = %2
  tail call void @allocate(ptr noundef nonnull %0)
  %.pre = load ptr, ptr %0, align 8, !tbaa !5
  %.phi.trans.insert = getelementptr inbounds i8, ptr %.pre, i64 8
  %.pre7 = load i32, ptr %.phi.trans.insert, align 8, !tbaa !9
  br label %10

10:                                               ; preds = %9, %2
  %11 = phi i32 [ %.pre7, %9 ], [ %5, %2 ]
  %12 = phi ptr [ %.pre, %9 ], [ %3, %2 ]
  %13 = load ptr, ptr %12, align 8, !tbaa !13
  %14 = getelementptr inbounds i8, ptr %12, i64 8
  %15 = add nsw i32 %11, 1
  store i32 %15, ptr %14, align 8, !tbaa !9
  %16 = sext i32 %15 to i64
  %17 = getelementptr inbounds i32, ptr %13, i64 %16
  store i32 %1, ptr %17, align 4, !tbaa !14
  %18 = load i32, ptr %14, align 8, !tbaa !9
  tail call void @heapify_up(ptr noundef nonnull %0, i32 noundef %18)
  ret void
}

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" }

!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 = !{!"HEAP", !6, i64 0, !11, i64 8, !11, i64 12}
!11 = !{!"int", !7, i64 0}
!12 = !{!10, !11, i64 12}
!13 = !{!10, !6, i64 0}
!14 = !{!11, !11, i64 0}


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