; LLVM IR from VastoLorde95/Competitive-Programming :: CodeChef/WF/Easy Medium/ANKGAME/brute.ll (Z3facv)

; 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"

@fact = external dso_local global [100010 x i64], align 16
@invfact = external dso_local global [100010 x i64], align 16

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_Z8powermodll(i64 noundef, i64 noundef) #0

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

; 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 @_Z3facv() #0 {
  %1 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %1) #2
  store i64 0, ptr %1, align 8, !tbaa !5
  store i64 1, ptr @fact, align 16, !tbaa !5
  store i64 1, ptr @invfact, align 16, !tbaa !5
  store i64 1, ptr %1, align 8, !tbaa !5
  br label %2

2:                                                ; preds = %15, %0
  %3 = load i64, ptr %1, align 8, !tbaa !5
  %4 = icmp slt i64 %3, 100010
  br i1 %4, label %5, label %18

5:                                                ; preds = %2
  %6 = load i64, ptr %1, align 8, !tbaa !5
  %7 = sub nsw i64 %6, 1
  %8 = getelementptr inbounds [100010 x i64], ptr @fact, i64 0, i64 %7
  %9 = load i64, ptr %8, align 8, !tbaa !5
  %10 = load i64, ptr %1, align 8, !tbaa !5
  %11 = mul nsw i64 %9, %10
  %12 = srem i64 %11, 1000000007
  %13 = load i64, ptr %1, align 8, !tbaa !5
  %14 = getelementptr inbounds [100010 x i64], ptr @fact, i64 0, i64 %13
  store i64 %12, ptr %14, align 8, !tbaa !5
  br label %15

15:                                               ; preds = %5
  %16 = load i64, ptr %1, align 8, !tbaa !5
  %17 = add nsw i64 %16, 1
  store i64 %17, ptr %1, align 8, !tbaa !5
  br label %2, !llvm.loop !9

18:                                               ; preds = %2
  store i64 1, ptr %1, align 8, !tbaa !5
  br label %19

19:                                               ; preds = %29, %18
  %20 = load i64, ptr %1, align 8, !tbaa !5
  %21 = icmp slt i64 %20, 100010
  br i1 %21, label %22, label %32

22:                                               ; preds = %19
  %23 = load i64, ptr %1, align 8, !tbaa !5
  %24 = getelementptr inbounds [100010 x i64], ptr @fact, i64 0, i64 %23
  %25 = load i64, ptr %24, align 8, !tbaa !5
  %26 = call noundef i64 @_Z8powermodll(i64 noundef %25, i64 noundef 1000000005)
  %27 = load i64, ptr %1, align 8, !tbaa !5
  %28 = getelementptr inbounds [100010 x i64], ptr @invfact, i64 0, i64 %27
  store i64 %26, ptr %28, align 8, !tbaa !5
  br label %29

29:                                               ; preds = %22
  %30 = load i64, ptr %1, align 8, !tbaa !5
  %31 = add nsw i64 %30, 1
  store i64 %31, ptr %1, align 8, !tbaa !5
  br label %19, !llvm.loop !11

32:                                               ; preds = %19
  call void @llvm.lifetime.end.p0(i64 8, ptr %1) #2
  ret void
}

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 = { 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 = !{!"long", !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"

@fact = external dso_local local_unnamed_addr global [100010 x i64], align 16
@invfact = external dso_local local_unnamed_addr global [100010 x i64], align 16

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_Z8powermodll(i64 noundef, i64 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
define dso_local void @_Z3facv() local_unnamed_addr #0 {
  store i64 1, ptr @fact, align 16, !tbaa !5
  store i64 1, ptr @invfact, align 16, !tbaa !5
  br label %1

1:                                                ; preds = %7, %0
  %2 = phi i64 [ 1, %0 ], [ %9, %7 ]
  %.09 = phi i64 [ 1, %0 ], [ %11, %7 ]
  %3 = mul nsw i64 %2, %.09
  %4 = srem i64 %3, 1000000007
  %5 = getelementptr inbounds [100010 x i64], ptr @fact, i64 0, i64 %.09
  store i64 %4, ptr %5, align 8, !tbaa !5
  %6 = add nuw nsw i64 %.09, 1
  %exitcond.not = icmp eq i64 %6, 100010
  br i1 %exitcond.not, label %.preheader, label %7, !llvm.loop !9

7:                                                ; preds = %1
  %8 = mul nsw i64 %4, %6
  %9 = srem i64 %8, 1000000007
  %10 = getelementptr inbounds [100010 x i64], ptr @fact, i64 0, i64 %6
  store i64 %9, ptr %10, align 8, !tbaa !5
  %11 = add nuw nsw i64 %.09, 2
  br label %1

.preheader:                                       ; preds = %1, %.preheader
  %.110 = phi i64 [ %16, %.preheader ], [ 1, %1 ]
  %12 = getelementptr inbounds [100010 x i64], ptr @fact, i64 0, i64 %.110
  %13 = load i64, ptr %12, align 8, !tbaa !5
  %14 = tail call noundef i64 @_Z8powermodll(i64 noundef %13, i64 noundef 1000000005)
  %15 = getelementptr inbounds [100010 x i64], ptr @invfact, i64 0, i64 %.110
  store i64 %14, ptr %15, align 8, !tbaa !5
  %16 = add nuw nsw i64 %.110, 1
  %exitcond11.not = icmp eq i64 %16, 100010
  br i1 %exitcond11.not, label %17, label %.preheader, !llvm.loop !11

17:                                               ; preds = %.preheader
  ret void
}

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" }

!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", !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: BDCEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass