; LLVM IR from Tunghohin/Competitive_Coding :: Nowcoder/21791_G.ll (Z5lucasxxx)

; 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 nounwind uwtable
declare dso_local noundef i64 @_Z1Cxxx(i64 noundef, i64 noundef, i64 noundef) #0

; Function Attrs: mustprogress uwtable
define dso_local noundef i64 @_Z5lucasxxx(i64 noundef %0, i64 noundef %1, i64 noundef %2) #1 {
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  store i64 %0, ptr %5, align 8, !tbaa !5
  store i64 %1, ptr %6, align 8, !tbaa !5
  store i64 %2, ptr %7, align 8, !tbaa !5
  %8 = load i64, ptr %5, align 8, !tbaa !5
  %9 = load i64, ptr %7, align 8, !tbaa !5
  %10 = icmp slt i64 %8, %9
  br i1 %10, label %11, label %20

11:                                               ; preds = %3
  %12 = load i64, ptr %6, align 8, !tbaa !5
  %13 = load i64, ptr %7, align 8, !tbaa !5
  %14 = icmp slt i64 %12, %13
  br i1 %14, label %15, label %20

15:                                               ; preds = %11
  %16 = load i64, ptr %5, align 8, !tbaa !5
  %17 = load i64, ptr %6, align 8, !tbaa !5
  %18 = load i64, ptr %7, align 8, !tbaa !5
  %19 = call noundef i64 @_Z1Cxxx(i64 noundef %16, i64 noundef %17, i64 noundef %18)
  store i64 %19, ptr %4, align 8
  br label %40

20:                                               ; preds = %11, %3
  %21 = load i64, ptr %5, align 8, !tbaa !5
  %22 = load i64, ptr %7, align 8, !tbaa !5
  %23 = srem i64 %21, %22
  %24 = load i64, ptr %6, align 8, !tbaa !5
  %25 = load i64, ptr %7, align 8, !tbaa !5
  %26 = srem i64 %24, %25
  %27 = load i64, ptr %7, align 8, !tbaa !5
  %28 = call noundef i64 @_Z1Cxxx(i64 noundef %23, i64 noundef %26, i64 noundef %27)
  %29 = load i64, ptr %5, align 8, !tbaa !5
  %30 = load i64, ptr %7, align 8, !tbaa !5
  %31 = sdiv i64 %29, %30
  %32 = load i64, ptr %6, align 8, !tbaa !5
  %33 = load i64, ptr %7, align 8, !tbaa !5
  %34 = sdiv i64 %32, %33
  %35 = load i64, ptr %7, align 8, !tbaa !5
  %36 = call noundef i64 @_Z5lucasxxx(i64 noundef %31, i64 noundef %34, i64 noundef %35)
  %37 = mul nsw i64 %28, %36
  %38 = load i64, ptr %7, align 8, !tbaa !5
  %39 = srem i64 %37, %38
  store i64 %39, ptr %4, align 8
  br label %40

40:                                               ; preds = %20, %15
  %41 = load i64, ptr %4, align 8
  ret i64 %41
}

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" }
attributes #1 = { 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" }

!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 = !{!"long long", !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 nounwind uwtable
declare dso_local noundef i64 @_Z1Cxxx(i64 noundef, i64 noundef, i64 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef i64 @_Z5lucasxxx(i64 noundef %0, i64 noundef %1, i64 noundef %2) local_unnamed_addr #0 {
  %4 = icmp slt i64 %0, %2
  %5 = icmp slt i64 %1, %2
  %or.cond = and i1 %4, %5
  br i1 %or.cond, label %common.ret, label %7

common.ret:                                       ; preds = %3
  %6 = tail call noundef i64 @_Z1Cxxx(i64 noundef %0, i64 noundef %1, i64 noundef %2)
  br label %common.ret22

common.ret22:                                     ; preds = %7, %common.ret
  %common.ret22.op = phi i64 [ %6, %common.ret ], [ %15, %7 ]
  ret i64 %common.ret22.op

7:                                                ; preds = %3
  %8 = srem i64 %0, %2
  %9 = srem i64 %1, %2
  %10 = tail call noundef i64 @_Z1Cxxx(i64 noundef %8, i64 noundef %9, i64 noundef %2)
  %11 = sdiv i64 %0, %2
  %12 = sdiv i64 %1, %2
  %13 = tail call noundef i64 @_Z5lucasxxx(i64 noundef %11, i64 noundef %12, i64 noundef %2)
  %14 = mul nsw i64 %13, %10
  %15 = srem i64 %14, %2
  br label %common.ret22
}

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)"}


; Effective O3 passes: GlobalOptPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass