; LLVM IR from xirc/cp-algorithm :: atcoder/abc156/D/main.ll (Z5solveiii)

; 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 uwtable
declare dso_local noundef i64 @_Z6binexpli(i64 noundef, i32 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
declare dso_local void @_Z16init_combinationii(i32 noundef, i32 noundef) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_Z16calc_combinationi(i32 noundef) #2

; Function Attrs: mustprogress uwtable
define dso_local noundef i64 @_Z5solveiii(i32 noundef %0, i32 noundef %1, i32 noundef %2) #0 {
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  %9 = alloca i64, align 8
  %10 = alloca i64, align 8
  store i32 %0, ptr %4, align 4, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !5
  store i32 %2, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  %11 = load i32, ptr %4, align 4, !tbaa !5
  %12 = call noundef i64 @_Z6binexpli(i64 noundef 2, i32 noundef %11)
  %13 = sub nsw i64 %12, 1
  store i64 %13, ptr %7, align 8, !tbaa !9
  %14 = load i64, ptr %7, align 8, !tbaa !9
  %15 = icmp slt i64 %14, 0
  br i1 %15, label %16, label %19

16:                                               ; preds = %3
  %17 = load i64, ptr %7, align 8, !tbaa !9
  %18 = add nsw i64 %17, 1000000007
  store i64 %18, ptr %7, align 8, !tbaa !9
  br label %19

19:                                               ; preds = %16, %3
  %20 = load i32, ptr %4, align 4, !tbaa !5
  %21 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %5, ptr noundef nonnull align 4 dereferenceable(4) %6)
  %22 = load i32, ptr %21, align 4, !tbaa !5
  call void @_Z16init_combinationii(i32 noundef %20, i32 noundef %22)
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  %23 = load i32, ptr %5, align 4, !tbaa !5
  %24 = call noundef i64 @_Z16calc_combinationi(i32 noundef %23)
  store i64 %24, ptr %8, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #4
  %25 = load i32, ptr %6, align 4, !tbaa !5
  %26 = call noundef i64 @_Z16calc_combinationi(i32 noundef %25)
  store i64 %26, ptr %9, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #4
  %27 = load i64, ptr %7, align 8, !tbaa !9
  %28 = load i64, ptr %8, align 8, !tbaa !9
  %29 = sub nsw i64 %27, %28
  store i64 %29, ptr %10, align 8, !tbaa !9
  %30 = load i64, ptr %10, align 8, !tbaa !9
  %31 = icmp slt i64 %30, 0
  br i1 %31, label %32, label %35

32:                                               ; preds = %19
  %33 = load i64, ptr %10, align 8, !tbaa !9
  %34 = add nsw i64 %33, 1000000007
  store i64 %34, ptr %10, align 8, !tbaa !9
  br label %35

35:                                               ; preds = %32, %19
  %36 = load i64, ptr %10, align 8, !tbaa !9
  %37 = load i64, ptr %9, align 8, !tbaa !9
  %38 = sub nsw i64 %36, %37
  store i64 %38, ptr %10, align 8, !tbaa !9
  %39 = load i64, ptr %10, align 8, !tbaa !9
  %40 = icmp slt i64 %39, 0
  br i1 %40, label %41, label %44

41:                                               ; preds = %35
  %42 = load i64, ptr %10, align 8, !tbaa !9
  %43 = add nsw i64 %42, 1000000007
  store i64 %43, ptr %10, align 8, !tbaa !9
  br label %44

44:                                               ; preds = %41, %35
  %45 = load i64, ptr %10, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  ret i64 %45
}

; 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

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 = { 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 #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 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}


; 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 uwtable
declare dso_local noundef i64 @_Z6binexpli(i64 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z16init_combinationii(i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_Z16calc_combinationi(i32 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
define dso_local noundef range(i64 -9223372035854775801, -9223372036854775808) i64 @_Z5solveiii(i32 noundef %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #0 {
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  store i32 %1, ptr %4, align 4, !tbaa !5
  store i32 %2, ptr %5, align 4, !tbaa !5
  %6 = tail call noundef i64 @_Z6binexpli(i64 noundef 2, i32 noundef %0)
  %7 = icmp slt i64 %6, 1
  %spec.select.v = select i1 %7, i64 1000000006, i64 -1
  %spec.select = add nsw i64 %spec.select.v, %6
  %8 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %4, ptr noundef nonnull align 4 dereferenceable(4) %5)
  %9 = load i32, ptr %8, align 4, !tbaa !5
  call void @_Z16init_combinationii(i32 noundef %0, i32 noundef %9)
  %10 = load i32, ptr %4, align 4, !tbaa !5
  %11 = call noundef i64 @_Z16calc_combinationi(i32 noundef %10)
  %12 = load i32, ptr %5, align 4, !tbaa !5
  %13 = call noundef i64 @_Z16calc_combinationi(i32 noundef %12)
  %14 = sub i64 %spec.select, %11
  %15 = icmp slt i64 %14, 0
  %16 = add nsw i64 %14, 1000000007
  %.0 = select i1 %15, i64 %16, i64 %14
  %17 = sub nsw i64 %.0, %13
  %18 = icmp slt i64 %17, 0
  %19 = add nsw i64 %17, 1000000007
  %.1 = select i1 %18, i64 %19, i64 %17
  ret i64 %.1
}

; 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 #2

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 = { 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 #2 = { 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" }

!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: GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass