; LLVM IR from lzyrapx/Competitive-Programming :: LibreOJ/6164（莫队算法）.ll (Z3deli)

; 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"

@times = external dso_local global [227156 x i32], align 16
@num = external dso_local global [56789 x i32], align 16
@cnt = external dso_local global [56789 x i32], align 16
@all = external dso_local global i32, align 4

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_Z3deli(i32 noundef %0) #0 {
  %2 = alloca i32, align 4
  store i32 %0, ptr %2, align 4, !tbaa !5
  %3 = load i32, ptr %2, align 4, !tbaa !5
  %4 = sext i32 %3 to i64
  %5 = getelementptr inbounds [56789 x i32], ptr @cnt, i64 0, i64 %4
  %6 = load i32, ptr %5, align 4, !tbaa !5
  %7 = add nsw i32 %6, -1
  store i32 %7, ptr %5, align 4, !tbaa !5
  %8 = sext i32 %7 to i64
  %9 = getelementptr inbounds [56789 x i32], ptr @num, i64 0, i64 %8
  %10 = load i32, ptr %9, align 4, !tbaa !5
  %11 = add nsw i32 %10, 1
  store i32 %11, ptr %9, align 4, !tbaa !5
  %12 = load i32, ptr %2, align 4, !tbaa !5
  %13 = sext i32 %12 to i64
  %14 = getelementptr inbounds [56789 x i32], ptr @cnt, i64 0, i64 %13
  %15 = load i32, ptr %14, align 4, !tbaa !5
  %16 = load i32, ptr @all, align 4, !tbaa !5
  %17 = add nsw i32 %16, 1
  store i32 %17, ptr @all, align 4, !tbaa !5
  %18 = sext i32 %17 to i64
  %19 = getelementptr inbounds [227156 x i32], ptr @times, i64 0, i64 %18
  store i32 %15, ptr %19, align 4, !tbaa !5
  %20 = load i32, ptr %2, align 4, !tbaa !5
  %21 = sext i32 %20 to i64
  %22 = getelementptr inbounds [56789 x i32], ptr @cnt, i64 0, i64 %21
  %23 = load i32, ptr %22, align 4, !tbaa !5
  %24 = add nsw i32 %23, 1
  %25 = sext i32 %24 to i64
  %26 = getelementptr inbounds [56789 x i32], ptr @num, i64 0, i64 %25
  %27 = load i32, ptr %26, align 4, !tbaa !5
  %28 = add nsw i32 %27, -1
  store i32 %28, ptr %26, align 4, !tbaa !5
  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 = !{!"int", !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"

@times = external dso_local local_unnamed_addr global [227156 x i32], align 16
@num = external dso_local local_unnamed_addr global [56789 x i32], align 16
@cnt = external dso_local local_unnamed_addr global [56789 x i32], align 16
@all = external dso_local local_unnamed_addr global i32, align 4

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(readwrite, argmem: none, inaccessiblemem: none) uwtable
define dso_local void @_Z3deli(i32 noundef %0) local_unnamed_addr #0 {
  %2 = sext i32 %0 to i64
  %3 = getelementptr inbounds [56789 x i32], ptr @cnt, i64 0, i64 %2
  %4 = load i32, ptr %3, align 4, !tbaa !5
  %5 = add nsw i32 %4, -1
  store i32 %5, ptr %3, align 4, !tbaa !5
  %6 = sext i32 %5 to i64
  %7 = getelementptr inbounds [56789 x i32], ptr @num, i64 0, i64 %6
  %8 = load i32, ptr @all, align 4, !tbaa !5
  %9 = add nsw i32 %8, 1
  store i32 %9, ptr @all, align 4, !tbaa !5
  %10 = sext i32 %9 to i64
  %11 = getelementptr inbounds [227156 x i32], ptr @times, i64 0, i64 %10
  store i32 %5, ptr %11, align 4, !tbaa !5
  %12 = load <2 x i32>, ptr %7, align 4, !tbaa !5
  %13 = add nsw <2 x i32> %12, <i32 1, i32 -1>
  store <2 x i32> %13, ptr %7, align 4, !tbaa !5
  ret void
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(readwrite, 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, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


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