; LLVM IR from JessonYue/LeetCodeLearning :: Array/caiweixiong/cpp/Homework_004.ll (ZN12Homework_00416homework_004_002Ev)

; 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: mustprogress uwtable
declare dso_local noundef ptr @_ZN12Homework_00413addTwoNumbersEP8ListNodeS1_(ptr noundef nonnull align 1 dereferenceable(1), ptr noundef, ptr noundef) #0 align 2

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

declare void @_Z14createHeadNodeRP8ListNodei(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #2

declare noundef zeroext i1 @_Z10insertNodeRP8ListNodei(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #2

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

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN12Homework_00416homework_004_002Ev(ptr noundef nonnull align 1 dereferenceable(1) %0) #0 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %6 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  store ptr null, ptr %5, align 8, !tbaa !5
  call void @_Z14createHeadNodeRP8ListNodei(ptr noundef nonnull align 8 dereferenceable(8) %3, i32 noundef 2)
  %7 = call noundef zeroext i1 @_Z10insertNodeRP8ListNodei(ptr noundef nonnull align 8 dereferenceable(8) %3, i32 noundef 4)
  %8 = call noundef zeroext i1 @_Z10insertNodeRP8ListNodei(ptr noundef nonnull align 8 dereferenceable(8) %3, i32 noundef 3)
  call void @_Z14createHeadNodeRP8ListNodei(ptr noundef nonnull align 8 dereferenceable(8) %4, i32 noundef 5)
  %9 = call noundef zeroext i1 @_Z10insertNodeRP8ListNodei(ptr noundef nonnull align 8 dereferenceable(8) %4, i32 noundef 6)
  %10 = call noundef zeroext i1 @_Z10insertNodeRP8ListNodei(ptr noundef nonnull align 8 dereferenceable(8) %4, i32 noundef 4)
  call void @_Z11displayListRP8ListNode(ptr noundef nonnull align 8 dereferenceable(8) %3)
  call void @_Z11displayListRP8ListNode(ptr noundef nonnull align 8 dereferenceable(8) %4)
  %11 = load ptr, ptr %3, align 8, !tbaa !5
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  %13 = call noundef ptr @_ZN12Homework_00413addTwoNumbersEP8ListNodeS1_(ptr noundef nonnull align 1 dereferenceable(1) %6, ptr noundef %11, ptr noundef %12)
  store ptr %13, ptr %5, align 8, !tbaa !5
  call void @_Z11displayListRP8ListNode(ptr noundef nonnull align 8 dereferenceable(8) %5)
  call void @_Z11destroyListRP8ListNode(ptr noundef nonnull align 8 dereferenceable(8) %3)
  call void @_Z11destroyListRP8ListNode(ptr noundef nonnull align 8 dereferenceable(8) %4)
  call void @_Z11destroyListRP8ListNode(ptr noundef nonnull align 8 dereferenceable(8) %5)
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  ret void
}

declare void @_Z11displayListRP8ListNode(ptr noundef nonnull align 8 dereferenceable(8)) #2

declare void @_Z11destroyListRP8ListNode(ptr noundef nonnull align 8 dereferenceable(8)) #2

attributes #0 = { mustprogress 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 = { "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 }

!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++ TBAA"}


; 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: mustprogress uwtable
declare dso_local noundef ptr @_ZN12Homework_00413addTwoNumbersEP8ListNodeS1_(ptr noundef nonnull align 1 dereferenceable(1), ptr noundef, ptr noundef) local_unnamed_addr #0 align 2

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

declare void @_Z14createHeadNodeRP8ListNodei(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #2

declare noundef zeroext i1 @_Z10insertNodeRP8ListNodei(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #2

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

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN12Homework_00416homework_004_002Ev(ptr noundef nonnull align 1 dereferenceable(1) %0) local_unnamed_addr #0 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #3
  call void @_Z14createHeadNodeRP8ListNodei(ptr noundef nonnull align 8 dereferenceable(8) %2, i32 noundef 2)
  %5 = call noundef zeroext i1 @_Z10insertNodeRP8ListNodei(ptr noundef nonnull align 8 dereferenceable(8) %2, i32 noundef 4)
  %6 = call noundef zeroext i1 @_Z10insertNodeRP8ListNodei(ptr noundef nonnull align 8 dereferenceable(8) %2, i32 noundef 3)
  call void @_Z14createHeadNodeRP8ListNodei(ptr noundef nonnull align 8 dereferenceable(8) %3, i32 noundef 5)
  %7 = call noundef zeroext i1 @_Z10insertNodeRP8ListNodei(ptr noundef nonnull align 8 dereferenceable(8) %3, i32 noundef 6)
  %8 = call noundef zeroext i1 @_Z10insertNodeRP8ListNodei(ptr noundef nonnull align 8 dereferenceable(8) %3, i32 noundef 4)
  call void @_Z11displayListRP8ListNode(ptr noundef nonnull align 8 dereferenceable(8) %2)
  call void @_Z11displayListRP8ListNode(ptr noundef nonnull align 8 dereferenceable(8) %3)
  %9 = load ptr, ptr %2, align 8, !tbaa !5
  %10 = load ptr, ptr %3, align 8, !tbaa !5
  %11 = call noundef ptr @_ZN12Homework_00413addTwoNumbersEP8ListNodeS1_(ptr noundef nonnull align 1 dereferenceable(1) %0, ptr noundef %9, ptr noundef %10)
  store ptr %11, ptr %4, align 8, !tbaa !5
  call void @_Z11displayListRP8ListNode(ptr noundef nonnull align 8 dereferenceable(8) %4)
  call void @_Z11destroyListRP8ListNode(ptr noundef nonnull align 8 dereferenceable(8) %2)
  call void @_Z11destroyListRP8ListNode(ptr noundef nonnull align 8 dereferenceable(8) %3)
  call void @_Z11destroyListRP8ListNode(ptr noundef nonnull align 8 dereferenceable(8) %4)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #3
  ret void
}

declare void @_Z11displayListRP8ListNode(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2

declare void @_Z11destroyListRP8ListNode(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2

attributes #0 = { mustprogress 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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "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 }

!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++ TBAA"}


; Effective O3 passes: DSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,SROAPass