; LLVM IR from JessonYue/LeetCodeLearning :: Array/caiweixiong/c (homework_035)

; 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.kvnode_3 = type { i32, i32, ptr, ptr, ptr }
%struct.LRUCache_3 = type { i32, i32, i32, ptr, ptr, ptr }

@.str.1 = external hidden unnamed_addr constant [95 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [13 x i8], align 1
@__PRETTY_FUNCTION__.newNode = external hidden unnamed_addr constant [42 x i8], align 1

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

; Function Attrs: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #1

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #2

; 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 ptr @newNode(ptr noundef %0, i32 noundef %1, i32 noundef %2) #3 {
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  store i32 %2, ptr %6, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  %9 = call noalias ptr @malloc(i64 noundef 32) #5
  store ptr %9, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  %10 = load ptr, ptr %7, align 8, !tbaa !5
  %11 = icmp ne ptr %10, null
  br i1 %11, label %12, label %13

12:                                               ; preds = %3
  br label %14

13:                                               ; preds = %3
  call void @__assert_fail(ptr noundef @.str.2, ptr noundef @.str.1, i32 noundef 395, ptr noundef @__PRETTY_FUNCTION__.newNode) #6
  unreachable

14:                                               ; preds = %12
  %15 = load i32, ptr %5, align 4, !tbaa !9
  %16 = load ptr, ptr %7, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.kvnode_3, ptr %16, i32 0, i32 0
  store i32 %15, ptr %17, align 8, !tbaa !11
  %18 = load i32, ptr %6, align 4, !tbaa !9
  %19 = load ptr, ptr %7, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.kvnode_3, ptr %19, i32 0, i32 1
  store i32 %18, ptr %20, align 4, !tbaa !13
  %21 = load ptr, ptr %7, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct.kvnode_3, ptr %21, i32 0, i32 2
  store ptr null, ptr %22, align 8, !tbaa !14
  %23 = load ptr, ptr %7, align 8, !tbaa !5
  %24 = getelementptr inbounds %struct.kvnode_3, ptr %23, i32 0, i32 3
  store ptr null, ptr %24, align 8, !tbaa !15
  %25 = load ptr, ptr %7, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.kvnode_3, ptr %25, i32 0, i32 4
  store ptr null, ptr %26, align 8, !tbaa !16
  %27 = load ptr, ptr %4, align 8, !tbaa !5
  %28 = getelementptr inbounds %struct.LRUCache_3, ptr %27, i32 0, i32 5
  %29 = load ptr, ptr %28, align 8, !tbaa !17
  store ptr %29, ptr %8, align 8, !tbaa !5
  %30 = load ptr, ptr %7, align 8, !tbaa !5
  %31 = load ptr, ptr %4, align 8, !tbaa !5
  %32 = getelementptr inbounds %struct.LRUCache_3, ptr %31, i32 0, i32 5
  store ptr %30, ptr %32, align 8, !tbaa !17
  %33 = load ptr, ptr %8, align 8, !tbaa !5
  %34 = icmp ne ptr %33, null
  br i1 %34, label %35, label %42

35:                                               ; preds = %14
  %36 = load ptr, ptr %8, align 8, !tbaa !5
  %37 = load ptr, ptr %7, align 8, !tbaa !5
  %38 = getelementptr inbounds %struct.kvnode_3, ptr %37, i32 0, i32 2
  store ptr %36, ptr %38, align 8, !tbaa !14
  %39 = load ptr, ptr %7, align 8, !tbaa !5
  %40 = load ptr, ptr %8, align 8, !tbaa !5
  %41 = getelementptr inbounds %struct.kvnode_3, ptr %40, i32 0, i32 3
  store ptr %39, ptr %41, align 8, !tbaa !15
  br label %46

42:                                               ; preds = %14
  %43 = load ptr, ptr %7, align 8, !tbaa !5
  %44 = load ptr, ptr %4, align 8, !tbaa !5
  %45 = getelementptr inbounds %struct.LRUCache_3, ptr %44, i32 0, i32 4
  store ptr %43, ptr %45, align 8, !tbaa !19
  br label %46

46:                                               ; preds = %42, %35
  %47 = load ptr, ptr %4, align 8, !tbaa !5
  %48 = getelementptr inbounds %struct.LRUCache_3, ptr %47, i32 0, i32 0
  %49 = load i32, ptr %48, align 8, !tbaa !20
  %50 = add nsw i32 %49, 1
  store i32 %50, ptr %48, align 8, !tbaa !20
  %51 = load ptr, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  ret ptr %51
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 #3 = { 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 = { nounwind }
attributes #5 = { nounwind allocsize(0) }
attributes #6 = { noreturn 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 0}
!12 = !{!"kvnode_3", !10, i64 0, !10, i64 4, !6, i64 8, !6, i64 16, !6, i64 24}
!13 = !{!12, !10, i64 4}
!14 = !{!12, !6, i64 8}
!15 = !{!12, !6, i64 16}
!16 = !{!12, !6, i64 24}
!17 = !{!18, !6, i64 32}
!18 = !{!"", !10, i64 0, !10, i64 4, !10, i64 8, !6, i64 16, !6, i64 24, !6, i64 32}
!19 = !{!18, !6, i64 24}
!20 = !{!18, !10, 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"

@.str.1 = external hidden unnamed_addr constant [95 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [13 x i8], align 1
@__PRETTY_FUNCTION__.newNode = external hidden unnamed_addr constant [42 x i8], align 1

; Function Attrs: mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @malloc(i64 noundef) local_unnamed_addr #0

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local noundef ptr @newNode(ptr nocapture noundef %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #2 {
  %4 = tail call noalias dereferenceable_or_null(32) ptr @malloc(i64 noundef 32) #4
  %.not = icmp eq ptr %4, null
  br i1 %.not, label %5, label %6

5:                                                ; preds = %3
  tail call void @__assert_fail(ptr noundef nonnull @.str.2, ptr noundef nonnull @.str.1, i32 noundef 395, ptr noundef nonnull @__PRETTY_FUNCTION__.newNode) #5
  unreachable

6:                                                ; preds = %3
  store i32 %1, ptr %4, align 8, !tbaa !5
  %7 = getelementptr inbounds i8, ptr %4, i64 4
  store i32 %2, ptr %7, align 4, !tbaa !11
  %8 = getelementptr inbounds i8, ptr %4, i64 8
  %9 = getelementptr inbounds i8, ptr %0, i64 32
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(24) %8, i8 0, i64 24, i1 false)
  %10 = load ptr, ptr %9, align 8, !tbaa !12
  store ptr %4, ptr %9, align 8, !tbaa !12
  %.not20 = icmp eq ptr %10, null
  br i1 %.not20, label %13, label %11

11:                                               ; preds = %6
  store ptr %10, ptr %8, align 8, !tbaa !14
  %12 = getelementptr inbounds i8, ptr %10, i64 16
  br label %15

13:                                               ; preds = %6
  %14 = getelementptr inbounds i8, ptr %0, i64 24
  br label %15

15:                                               ; preds = %13, %11
  %.sink = phi ptr [ %14, %13 ], [ %12, %11 ]
  store ptr %4, ptr %.sink, align 8, !tbaa !15
  %16 = load i32, ptr %0, align 8, !tbaa !16
  %17 = add nsw i32 %16, 1
  store i32 %17, ptr %0, align 8, !tbaa !16
  ret ptr %4
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #3

attributes #0 = { mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(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 #1 = { 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 #2 = { 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 #3 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #4 = { nounwind allocsize(0) }
attributes #5 = { noreturn 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, !7, i64 0}
!6 = !{!"kvnode_3", !7, i64 0, !7, i64 4, !10, i64 8, !10, i64 16, !10, i64 24}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!6, !7, i64 4}
!12 = !{!13, !10, i64 32}
!13 = !{!"", !7, i64 0, !7, i64 4, !7, i64 8, !10, i64 16, !10, i64 24, !10, i64 32}
!14 = !{!6, !10, i64 8}
!15 = !{!10, !10, i64 0}
!16 = !{!13, !7, i64 0}


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