; LLVM IR from JessonYue/LeetCodeLearning :: Array/caiweixiong/temp/array1 (Array)

; 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.Array = type { i32, i32, ptr }

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind uwtable
define dso_local void @removeElement(ptr noundef %0, i32 noundef %1, ptr noundef %2) #1 {
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = 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
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  %10 = load i32, ptr %5, align 4, !tbaa !9
  %11 = load ptr, ptr %6, align 8, !tbaa !5
  call void @releaseObject(ptr noundef %9, i32 noundef %10, ptr noundef %11)
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #2
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  %13 = getelementptr inbounds %struct.Array, ptr %12, i32 0, i32 1
  %14 = load i32, ptr %13, align 4, !tbaa !11
  %15 = add nsw i32 %14, -1
  store i32 %15, ptr %13, align 4, !tbaa !11
  store i32 %15, ptr %7, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #2
  %16 = load i32, ptr %5, align 4, !tbaa !9
  store i32 %16, ptr %8, align 4, !tbaa !9
  br label %17

17:                                               ; preds = %23, %3
  %18 = load i32, ptr %8, align 4, !tbaa !9
  %19 = load i32, ptr %7, align 4, !tbaa !9
  %20 = icmp slt i32 %18, %19
  br i1 %20, label %22, label %21

21:                                               ; preds = %17
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #2
  br label %40

22:                                               ; preds = %17
  br label %23

23:                                               ; preds = %22
  %24 = load ptr, ptr %4, align 8, !tbaa !5
  %25 = getelementptr inbounds %struct.Array, ptr %24, i32 0, i32 2
  %26 = load ptr, ptr %25, align 8, !tbaa !13
  %27 = load i32, ptr %8, align 4, !tbaa !9
  %28 = add nsw i32 %27, 1
  %29 = sext i32 %28 to i64
  %30 = getelementptr inbounds ptr, ptr %26, i64 %29
  %31 = load ptr, ptr %30, align 8, !tbaa !5
  %32 = load ptr, ptr %4, align 8, !tbaa !5
  %33 = getelementptr inbounds %struct.Array, ptr %32, i32 0, i32 2
  %34 = load ptr, ptr %33, align 8, !tbaa !13
  %35 = load i32, ptr %8, align 4, !tbaa !9
  %36 = sext i32 %35 to i64
  %37 = getelementptr inbounds ptr, ptr %34, i64 %36
  store ptr %31, ptr %37, align 8, !tbaa !5
  %38 = load i32, ptr %8, align 4, !tbaa !9
  %39 = add nsw i32 %38, 1
  store i32 %39, ptr %8, align 4, !tbaa !9
  br label %17, !llvm.loop !14

40:                                               ; preds = %21
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #2
  ret void
}

; Function Attrs: nounwind uwtable
declare hidden void @releaseObject(ptr noundef, i32 noundef, ptr noundef) #1

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 }

!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 4}
!12 = !{!"Array", !10, i64 0, !10, i64 4, !6, i64 8}
!13 = !{!12, !6, i64 8}
!14 = distinct !{!14, !15}
!15 = !{!"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"

; Function Attrs: nounwind uwtable
define dso_local void @removeElement(ptr noundef %0, i32 noundef %1, ptr noundef %2) local_unnamed_addr #0 {
  tail call void @releaseObject(ptr noundef %0, i32 noundef %1, ptr noundef %2)
  %4 = getelementptr inbounds i8, ptr %0, i64 4
  %5 = load i32, ptr %4, align 4, !tbaa !5
  %6 = add nsw i32 %5, -1
  store i32 %6, ptr %4, align 4, !tbaa !5
  %7 = icmp sgt i32 %6, %1
  br i1 %7, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %3
  %8 = getelementptr inbounds i8, ptr %0, i64 8
  %9 = sext i32 %1 to i64
  %wide.trip.count = sext i32 %6 to i64
  br label %10

._crit_edge:                                      ; preds = %10, %3
  ret void

10:                                               ; preds = %.lr.ph, %10
  %indvars.iv = phi i64 [ %9, %.lr.ph ], [ %indvars.iv.next, %10 ]
  %11 = load ptr, ptr %8, align 8, !tbaa !11
  %indvars.iv.next = add nsw i64 %indvars.iv, 1
  %12 = getelementptr inbounds ptr, ptr %11, i64 %indvars.iv.next
  %13 = load ptr, ptr %12, align 8, !tbaa !12
  %14 = getelementptr inbounds ptr, ptr %11, i64 %indvars.iv
  store ptr %13, ptr %14, align 8, !tbaa !12
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge, label %10, !llvm.loop !13
}

; Function Attrs: nounwind uwtable
declare hidden void @releaseObject(ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #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" }

!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, !7, i64 4}
!6 = !{!"Array", !7, i64 0, !7, i64 4, !10, i64 8}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!6, !10, i64 8}
!12 = !{!10, !10, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


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