; LLVM IR from tangjz/acm-icpc :: lydsy (5347)

; 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"

@n = external dso_local global i32, align 4
@m = external dso_local global i32, align 4
@x = external dso_local global i32, align 4
@y = external dso_local global i32, align 4
@z = external dso_local global i32, align 4
@a = external dso_local global [30000001 x i32], align 16
@.str = external hidden unnamed_addr constant [11 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %5 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef @n, ptr noundef @m, ptr noundef @x, ptr noundef @y, ptr noundef @z)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #4
  store i32 0, ptr %2, align 4, !tbaa !5
  br label %6

6:                                                ; preds = %37, %0
  %7 = load i32, ptr %2, align 4, !tbaa !5
  %8 = load i32, ptr @n, align 4, !tbaa !5
  %9 = icmp slt i32 %7, %8
  br i1 %9, label %11, label %10

10:                                               ; preds = %6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #4
  br label %40

11:                                               ; preds = %6
  %12 = load i32, ptr %2, align 4, !tbaa !5
  %13 = load i32, ptr %2, align 4, !tbaa !5
  %14 = sext i32 %13 to i64
  %15 = getelementptr inbounds [30000001 x i32], ptr @a, i64 0, i64 %14
  store i32 %12, ptr %15, align 4, !tbaa !5
  %16 = load i32, ptr @m, align 4, !tbaa !5
  %17 = sext i32 %16 to i64
  %18 = load i32, ptr @x, align 4, !tbaa !5
  %19 = sext i32 %18 to i64
  %20 = mul nsw i64 %17, %19
  %21 = load i32, ptr @y, align 4, !tbaa !5
  %22 = sext i32 %21 to i64
  %23 = add nsw i64 %20, %22
  %24 = load i32, ptr @z, align 4, !tbaa !5
  %25 = sext i32 %24 to i64
  %26 = srem i64 %23, %25
  %27 = trunc i64 %26 to i32
  store i32 %27, ptr @m, align 4, !tbaa !5
  %28 = load i32, ptr %2, align 4, !tbaa !5
  %29 = sext i32 %28 to i64
  %30 = getelementptr inbounds [30000001 x i32], ptr @a, i64 0, i64 %29
  %31 = load i32, ptr @m, align 4, !tbaa !5
  %32 = load i32, ptr %2, align 4, !tbaa !5
  %33 = add nsw i32 %32, 1
  %34 = srem i32 %31, %33
  %35 = sext i32 %34 to i64
  %36 = getelementptr inbounds [30000001 x i32], ptr @a, i64 0, i64 %35
  call void @_ZSt4swapIiENSt9enable_ifIXsr6__and_ISt6__not_ISt15__is_tuple_likeIT_EESt21is_move_constructibleIS3_ESt18is_move_assignableIS3_EEE5valueEvE4typeERS3_SC_(ptr noundef nonnull align 4 dereferenceable(4) %30, ptr noundef nonnull align 4 dereferenceable(4) %36) #4
  br label %37

37:                                               ; preds = %11
  %38 = load i32, ptr %2, align 4, !tbaa !5
  %39 = add nsw i32 %38, 1
  store i32 %39, ptr %2, align 4, !tbaa !5
  br label %6, !llvm.loop !9

40:                                               ; preds = %10
  store i32 0, ptr @m, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #4
  store i32 0, ptr %3, align 4, !tbaa !5
  br label %41

41:                                               ; preds = %55, %40
  %42 = load i32, ptr %3, align 4, !tbaa !5
  %43 = load i32, ptr @n, align 4, !tbaa !5
  %44 = icmp slt i32 %42, %43
  br i1 %44, label %46, label %45

45:                                               ; preds = %41
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #4
  br label %58

46:                                               ; preds = %41
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #4
  %47 = load i32, ptr %3, align 4, !tbaa !5
  %48 = load i32, ptr %3, align 4, !tbaa !5
  %49 = sext i32 %48 to i64
  %50 = getelementptr inbounds [30000001 x i32], ptr @a, i64 0, i64 %49
  %51 = load i32, ptr %50, align 4, !tbaa !5
  %52 = sub nsw i32 %47, %51
  store i32 %52, ptr %4, align 4, !tbaa !5
  %53 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) @m, ptr noundef nonnull align 4 dereferenceable(4) %4)
  %54 = load i32, ptr %53, align 4, !tbaa !5
  store i32 %54, ptr @m, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #4
  br label %55

55:                                               ; preds = %46
  %56 = load i32, ptr %3, align 4, !tbaa !5
  %57 = add nsw i32 %56, 1
  store i32 %57, ptr %3, align 4, !tbaa !5
  br label %41, !llvm.loop !11

58:                                               ; preds = %45
  %59 = load i32, ptr @m, align 4, !tbaa !5
  %60 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, i32 noundef %59)
  ret i32 0
}

declare i32 @__isoc99_scanf(ptr noundef, ...) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZSt4swapIiENSt9enable_ifIXsr6__and_ISt6__not_ISt15__is_tuple_likeIT_EESt21is_move_constructibleIS3_ESt18is_move_assignableIS3_EEE5valueEvE4typeERS3_SC_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #3

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #3

declare i32 @printf(ptr noundef, ...) #1

attributes #0 = { mustprogress norecurse 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 = { "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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { inlinehint 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" }
attributes #4 = { 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++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}


; 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"

@n = external dso_local global i32, align 4
@m = external dso_local global i32, align 4
@x = external dso_local global i32, align 4
@y = external dso_local global i32, align 4
@z = external dso_local global i32, align 4
@a = external dso_local global [30000001 x i32], align 16
@.str = external hidden unnamed_addr constant [11 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress norecurse nounwind uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = alloca i32, align 4
  %2 = tail call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull @n, ptr noundef nonnull @m, ptr noundef nonnull @x, ptr noundef nonnull @y, ptr noundef nonnull @z)
  %3 = load i32, ptr @n, align 4, !tbaa !5
  %4 = icmp sgt i32 %3, 0
  br i1 %4, label %.lr.ph, label %._crit_edge.thread

._crit_edge.thread:                               ; preds = %0
  store i32 0, ptr @m, align 4, !tbaa !5
  br label %._crit_edge15

._crit_edge:                                      ; preds = %.lr.ph
  %5 = icmp sgt i32 %24, 0
  store i32 0, ptr @m, align 4, !tbaa !5
  br i1 %5, label %.lr.ph14, label %._crit_edge15

.lr.ph:                                           ; preds = %0, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
  %6 = getelementptr inbounds [30000001 x i32], ptr @a, i64 0, i64 %indvars.iv
  %7 = trunc nuw nsw i64 %indvars.iv to i32
  store i32 %7, ptr %6, align 4, !tbaa !5
  %8 = load i32, ptr @m, align 4, !tbaa !5
  %9 = sext i32 %8 to i64
  %10 = load i32, ptr @x, align 4, !tbaa !5
  %11 = sext i32 %10 to i64
  %12 = mul nsw i64 %11, %9
  %13 = load i32, ptr @y, align 4, !tbaa !5
  %14 = sext i32 %13 to i64
  %15 = add nsw i64 %12, %14
  %16 = load i32, ptr @z, align 4, !tbaa !5
  %17 = sext i32 %16 to i64
  %18 = srem i64 %15, %17
  %19 = trunc nsw i64 %18 to i32
  store i32 %19, ptr @m, align 4, !tbaa !5
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %20 = trunc nuw nsw i64 %indvars.iv.next to i32
  %21 = srem i32 %19, %20
  %22 = sext i32 %21 to i64
  %23 = getelementptr inbounds [30000001 x i32], ptr @a, i64 0, i64 %22
  tail call void @_ZSt4swapIiENSt9enable_ifIXsr6__and_ISt6__not_ISt15__is_tuple_likeIT_EESt21is_move_constructibleIS3_ESt18is_move_assignableIS3_EEE5valueEvE4typeERS3_SC_(ptr noundef nonnull align 4 dereferenceable(4) %6, ptr noundef nonnull align 4 dereferenceable(4) %23) #4
  %24 = load i32, ptr @n, align 4, !tbaa !5
  %25 = sext i32 %24 to i64
  %26 = icmp slt i64 %indvars.iv.next, %25
  br i1 %26, label %.lr.ph, label %._crit_edge, !llvm.loop !9

._crit_edge15:                                    ; preds = %.lr.ph14, %._crit_edge.thread, %._crit_edge
  %27 = phi i32 [ 0, %._crit_edge ], [ 0, %._crit_edge.thread ], [ %34, %.lr.ph14 ]
  %28 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i32 noundef %27)
  ret i32 0

.lr.ph14:                                         ; preds = %._crit_edge, %.lr.ph14
  %indvars.iv17 = phi i64 [ %indvars.iv.next18, %.lr.ph14 ], [ 0, %._crit_edge ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #4
  %29 = getelementptr inbounds [30000001 x i32], ptr @a, i64 0, i64 %indvars.iv17
  %30 = load i32, ptr %29, align 4, !tbaa !5
  %31 = trunc nuw nsw i64 %indvars.iv17 to i32
  %32 = sub nsw i32 %31, %30
  store i32 %32, ptr %1, align 4, !tbaa !5
  %33 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) @m, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %34 = load i32, ptr %33, align 4, !tbaa !5
  store i32 %34, ptr @m, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #4
  %indvars.iv.next18 = add nuw nsw i64 %indvars.iv17, 1
  %35 = load i32, ptr @n, align 4, !tbaa !5
  %36 = sext i32 %35 to i64
  %37 = icmp slt i64 %indvars.iv.next18, %36
  br i1 %37, label %.lr.ph14, label %._crit_edge15, !llvm.loop !11
}

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZSt4swapIiENSt9enable_ifIXsr6__and_ISt6__not_ISt15__is_tuple_likeIT_EESt21is_move_constructibleIS3_ESt18is_move_assignableIS3_EEE5valueEvE4typeERS3_SC_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #1

attributes #0 = { mustprogress norecurse 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 = { nofree 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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { inlinehint 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" }
attributes #4 = { 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++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass