; LLVM IR from JessonYue/LeetCodeLearning :: Array/linchuanxin/homework/homework_0629_0705/linkedHash (hash)

; 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.HashNode = type { i32, i32 }

@hashTable = external dso_local global [10 x %struct.HashNode], align 16

; Function Attrs: nounwind uwtable
define dso_local void @initHashTable() #0 {
  %1 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %1) #2
  store i32 0, ptr %1, align 4, !tbaa !5
  br label %2

2:                                                ; preds = %10, %0
  %3 = load i32, ptr %1, align 4, !tbaa !5
  %4 = icmp slt i32 %3, 10
  br i1 %4, label %5, label %13

5:                                                ; preds = %2
  %6 = load i32, ptr %1, align 4, !tbaa !5
  %7 = sext i32 %6 to i64
  %8 = getelementptr inbounds [10 x %struct.HashNode], ptr @hashTable, i64 0, i64 %7
  %9 = getelementptr inbounds %struct.HashNode, ptr %8, i32 0, i32 1
  store i32 1, ptr %9, align 4, !tbaa !9
  br label %10

10:                                               ; preds = %5
  %11 = load i32, ptr %1, align 4, !tbaa !5
  %12 = add nsw i32 %11, 1
  store i32 %12, ptr %1, align 4, !tbaa !5
  br label %2, !llvm.loop !11

13:                                               ; preds = %2
  call void @llvm.lifetime.end.p0(i64 4, ptr %1) #2
  ret void
}

; 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

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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !6, i64 4}
!10 = !{!"HashNode", !6, i64 0, !6, i64 4}
!11 = distinct !{!11, !12}
!12 = !{!"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"

%struct.HashNode = type { i32, i32 }

@hashTable = external dso_local local_unnamed_addr global [10 x %struct.HashNode], align 16

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(write, argmem: none, inaccessiblemem: none) uwtable
define dso_local void @initHashTable() local_unnamed_addr #0 {
  store i32 1, ptr getelementptr inbounds (i8, ptr @hashTable, i64 4), align 4, !tbaa !5
  store i32 1, ptr getelementptr inbounds (i8, ptr @hashTable, i64 12), align 4, !tbaa !5
  store i32 1, ptr getelementptr inbounds (i8, ptr @hashTable, i64 20), align 4, !tbaa !5
  store i32 1, ptr getelementptr inbounds (i8, ptr @hashTable, i64 28), align 4, !tbaa !5
  store i32 1, ptr getelementptr inbounds (i8, ptr @hashTable, i64 36), align 4, !tbaa !5
  store i32 1, ptr getelementptr inbounds (i8, ptr @hashTable, i64 44), align 4, !tbaa !5
  store i32 1, ptr getelementptr inbounds (i8, ptr @hashTable, i64 52), align 4, !tbaa !5
  store i32 1, ptr getelementptr inbounds (i8, ptr @hashTable, i64 60), align 4, !tbaa !5
  store i32 1, ptr getelementptr inbounds (i8, ptr @hashTable, i64 68), align 4, !tbaa !5
  store i32 1, ptr getelementptr inbounds (i8, ptr @hashTable, i64 76), align 4, !tbaa !5
  ret void
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(write, argmem: none, inaccessiblemem: none) 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 = !{!"HashNode", !7, i64 0, !7, i64 4}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}


; Effective O3 passes: GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass