; LLVM IR from tangjz/acm-icpc :: codeforces/complete (760A)

; 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"

@m = external dso_local global i32, align 4
@d = external dso_local global i32, align 4
@days = external dso_local global i32, align 4
@.str = external hidden unnamed_addr constant [5 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
  store i32 0, ptr %1, align 4
  %2 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef @m, ptr noundef @d)
  %3 = load i32, ptr @m, align 4, !tbaa !5
  %4 = icmp sle i32 %3, 7
  br i1 %4, label %5, label %9

5:                                                ; preds = %0
  %6 = load i32, ptr @m, align 4, !tbaa !5
  %7 = and i32 %6, 1
  %8 = icmp ne i32 %7, 0
  br i1 %8, label %16, label %9

9:                                                ; preds = %5, %0
  %10 = load i32, ptr @m, align 4, !tbaa !5
  %11 = icmp sgt i32 %10, 7
  br i1 %11, label %12, label %17

12:                                               ; preds = %9
  %13 = load i32, ptr @m, align 4, !tbaa !5
  %14 = and i32 %13, 1
  %15 = icmp ne i32 %14, 0
  br i1 %15, label %17, label %16

16:                                               ; preds = %12, %5
  store i32 31, ptr @days, align 4, !tbaa !5
  br label %23

17:                                               ; preds = %12, %9
  %18 = load i32, ptr @m, align 4, !tbaa !5
  %19 = icmp ne i32 %18, 2
  br i1 %19, label %20, label %21

20:                                               ; preds = %17
  store i32 30, ptr @days, align 4, !tbaa !5
  br label %22

21:                                               ; preds = %17
  store i32 28, ptr @days, align 4, !tbaa !5
  br label %22

22:                                               ; preds = %21, %20
  br label %23

23:                                               ; preds = %22, %16
  %24 = load i32, ptr @days, align 4, !tbaa !5
  %25 = load i32, ptr @d, align 4, !tbaa !5
  %26 = sub nsw i32 8, %25
  %27 = sub nsw i32 %24, %26
  %28 = sub nsw i32 %27, 1
  %29 = sdiv i32 %28, 7
  %30 = add nsw i32 %29, 2
  %31 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, i32 noundef %30)
  ret i32 0
}

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

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" }

!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"

@m = external dso_local global i32, align 4
@d = external dso_local global i32, align 4
@days = external dso_local local_unnamed_addr global i32, align 4
@.str = external hidden unnamed_addr constant [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress nofree norecurse nounwind uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = tail call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull @m, ptr noundef nonnull @d)
  %2 = load i32, ptr @m, align 4, !tbaa !5
  %3 = icmp slt i32 %2, 8
  %4 = and i32 %2, 1
  %.not = icmp eq i32 %4, 0
  %or.cond5 = xor i1 %3, %.not
  %.not3 = icmp eq i32 %2, 2
  %. = select i1 %.not3, i32 28, i32 30
  %.6 = select i1 %.not3, i32 19, i32 21
  %.sink = select i1 %or.cond5, i32 31, i32 %.
  %5 = select i1 %or.cond5, i32 22, i32 %.6
  store i32 %.sink, ptr @days, align 4, !tbaa !5
  %6 = load i32, ptr @d, align 4, !tbaa !5
  %7 = add i32 %5, %6
  %8 = sdiv i32 %7, 7
  %9 = add nsw i32 %8, 2
  %10 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i32 noundef %9)
  ret i32 0
}

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

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

attributes #0 = { mustprogress nofree 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" }

!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,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SCCPPass,SROAPass,SimplifyCFGPass,TailCallElimPass