; LLVM IR from sunkafei/xcpc-algorithm-templates :: 算法/数据结构/link-cut-tree（指针）.ll (Z8increaseP4nodei)

; 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.node = type { ptr, [2 x ptr], i32, i32, i32, i32 }

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_Z8increaseP4nodei(ptr noundef %0, i32 noundef %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  %5 = load i32, ptr %4, align 4, !tbaa !9
  %6 = load ptr, ptr %3, align 8, !tbaa !5
  %7 = getelementptr inbounds %struct.node, ptr %6, i32 0, i32 4
  %8 = load i32, ptr %7, align 8, !tbaa !11
  %9 = add nsw i32 %8, %5
  store i32 %9, ptr %7, align 8, !tbaa !11
  %10 = load i32, ptr %4, align 4, !tbaa !9
  %11 = load ptr, ptr %3, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.node, ptr %11, i32 0, i32 5
  %13 = load i32, ptr %12, align 4, !tbaa !13
  %14 = add nsw i32 %13, %10
  store i32 %14, ptr %12, align 4, !tbaa !13
  %15 = load i32, ptr %4, align 4, !tbaa !9
  %16 = load ptr, ptr %3, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.node, ptr %16, i32 0, i32 2
  %18 = load i32, ptr %17, align 8, !tbaa !14
  %19 = add nsw i32 %18, %15
  store i32 %19, ptr %17, align 8, !tbaa !14
  ret void
}

attributes #0 = { mustprogress 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, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !10, i64 32}
!12 = !{!"_ZTS4node", !6, i64 0, !7, i64 8, !10, i64 24, !10, i64 28, !10, i64 32, !10, i64 36}
!13 = !{!12, !10, i64 36}
!14 = !{!12, !10, i64 24}


; 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 nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) uwtable
define dso_local void @_Z8increaseP4nodei(ptr nocapture noundef %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = getelementptr inbounds i8, ptr %0, i64 32
  %4 = load <2 x i32>, ptr %3, align 8, !tbaa !5
  %5 = insertelement <2 x i32> poison, i32 %1, i64 0
  %6 = shufflevector <2 x i32> %5, <2 x i32> poison, <2 x i32> zeroinitializer
  %7 = add nsw <2 x i32> %4, %6
  store <2 x i32> %7, ptr %3, align 8, !tbaa !5
  %8 = getelementptr inbounds i8, ptr %0, i64 24
  %9 = load i32, ptr %8, align 8, !tbaa !9
  %10 = add nsw i32 %9, %1
  store i32 %10, ptr %8, align 8, !tbaa !9
  ret void
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) 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, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !6, i64 24}
!10 = !{!"_ZTS4node", !11, i64 0, !7, i64 8, !6, i64 24, !6, i64 28, !6, i64 32, !6, i64 36}
!11 = !{!"any pointer", !7, i64 0}


; Effective O3 passes: GlobalOptPass,InstCombinePass,PostOrderFunctionAttrsPass,SLPVectorizerPass,SROAPass