; LLVM IR from MostafaTwfiq/C-DataStructures-And-Algorithms :: DataStructure/Trees/Sources (BinaryHeap)

; 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"

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

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

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

; 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
define dso_local void @binaryHeapUp(ptr noundef %0, i32 noundef %1, ptr noundef %2) #0 {
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  store ptr %2, ptr %6, align 8, !tbaa !5
  %8 = load i32, ptr %5, align 4, !tbaa !9
  %9 = icmp sle i32 %8, 0
  br i1 %9, label %10, label %11

10:                                               ; preds = %3
  br label %35

11:                                               ; preds = %3
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #2
  %12 = load i32, ptr %5, align 4, !tbaa !9
  %13 = call i32 @binaryHeapGetParentIndex(i32 noundef %12)
  store i32 %13, ptr %7, align 4, !tbaa !9
  %14 = load ptr, ptr %6, align 8, !tbaa !5
  %15 = load ptr, ptr %4, align 8, !tbaa !5
  %16 = load i32, ptr %5, align 4, !tbaa !9
  %17 = sext i32 %16 to i64
  %18 = getelementptr inbounds ptr, ptr %15, i64 %17
  %19 = load ptr, ptr %18, align 8, !tbaa !5
  %20 = load ptr, ptr %4, align 8, !tbaa !5
  %21 = load i32, ptr %7, align 4, !tbaa !9
  %22 = sext i32 %21 to i64
  %23 = getelementptr inbounds ptr, ptr %20, i64 %22
  %24 = load ptr, ptr %23, align 8, !tbaa !5
  %25 = call i32 %14(ptr noundef %19, ptr noundef %24)
  %26 = icmp sgt i32 %25, 0
  br i1 %26, label %27, label %34

27:                                               ; preds = %11
  %28 = load ptr, ptr %4, align 8, !tbaa !5
  %29 = load i32, ptr %5, align 4, !tbaa !9
  %30 = load i32, ptr %7, align 4, !tbaa !9
  call void @binaryHeapSwap(ptr noundef %28, i32 noundef %29, i32 noundef %30)
  %31 = load ptr, ptr %4, align 8, !tbaa !5
  %32 = load i32, ptr %7, align 4, !tbaa !9
  %33 = load ptr, ptr %6, align 8, !tbaa !5
  call void @binaryHeapUp(ptr noundef %31, i32 noundef %32, ptr noundef %33)
  br label %34

34:                                               ; preds = %27, %11
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #2
  br label %35

35:                                               ; preds = %34, %10
  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" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, 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 i32 @binaryHeapGetParentIndex(i32 noundef) local_unnamed_addr #0

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

; Function Attrs: nounwind uwtable
define dso_local void @binaryHeapUp(ptr noundef %0, i32 noundef %1, ptr nocapture noundef readonly %2) local_unnamed_addr #0 {
  %4 = icmp slt i32 %1, 1
  br i1 %4, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %3, %tailrecurse
  %.tr1214 = phi i32 [ %5, %tailrecurse ], [ %1, %3 ]
  %5 = tail call i32 @binaryHeapGetParentIndex(i32 noundef %.tr1214)
  %6 = zext nneg i32 %.tr1214 to i64
  %7 = getelementptr inbounds ptr, ptr %0, i64 %6
  %8 = load ptr, ptr %7, align 8, !tbaa !5
  %9 = sext i32 %5 to i64
  %10 = getelementptr inbounds ptr, ptr %0, i64 %9
  %11 = load ptr, ptr %10, align 8, !tbaa !5
  %12 = tail call i32 %2(ptr noundef %8, ptr noundef %11) #1
  %13 = icmp sgt i32 %12, 0
  br i1 %13, label %tailrecurse, label %._crit_edge

tailrecurse:                                      ; preds = %.lr.ph
  tail call void @binaryHeapSwap(ptr noundef nonnull %0, i32 noundef %.tr1214, i32 noundef %5)
  %14 = icmp slt i32 %5, 1
  br i1 %14, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %tailrecurse, %.lr.ph, %3
  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" }
attributes #1 = { 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/C++ TBAA"}


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