; LLVM IR from VastoLorde95/Competitive-Programming :: Hackerrank/Week of Code/Week 15/Problem A/A.ll (Z7isvalidv)

; 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 zeroext i1 @_Z7goodrowi(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 nounwind uwtable
declare dso_local noundef zeroext i1 @_Z7goodcoli(i32 noundef) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_Z9goodblocki(i32 noundef) #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_Z7isvalidv() #0 {
  %1 = alloca i1, align 1
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #2
  store i32 0, ptr %2, align 4, !tbaa !5
  br label %4

4:                                                ; preds = %21, %0
  %5 = load i32, ptr %2, align 4, !tbaa !5
  %6 = icmp slt i32 %5, 9
  br i1 %6, label %8, label %7

7:                                                ; preds = %4
  store i32 2, ptr %3, align 4
  br label %24

8:                                                ; preds = %4
  %9 = load i32, ptr %2, align 4, !tbaa !5
  %10 = call noundef zeroext i1 @_Z7goodrowi(i32 noundef %9)
  br i1 %10, label %12, label %11

11:                                               ; preds = %8
  store i1 false, ptr %1, align 1
  store i32 1, ptr %3, align 4
  br label %24

12:                                               ; preds = %8
  %13 = load i32, ptr %2, align 4, !tbaa !5
  %14 = call noundef zeroext i1 @_Z7goodcoli(i32 noundef %13)
  br i1 %14, label %16, label %15

15:                                               ; preds = %12
  store i1 false, ptr %1, align 1
  store i32 1, ptr %3, align 4
  br label %24

16:                                               ; preds = %12
  %17 = load i32, ptr %2, align 4, !tbaa !5
  %18 = call noundef zeroext i1 @_Z9goodblocki(i32 noundef %17)
  br i1 %18, label %20, label %19

19:                                               ; preds = %16
  store i1 false, ptr %1, align 1
  store i32 1, ptr %3, align 4
  br label %24

20:                                               ; preds = %16
  br label %21

21:                                               ; preds = %20
  %22 = load i32, ptr %2, align 4, !tbaa !5
  %23 = add nsw i32 %22, 1
  store i32 %23, ptr %2, align 4, !tbaa !5
  br label %4, !llvm.loop !9

24:                                               ; preds = %19, %15, %11, %7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #2
  %25 = load i32, ptr %3, align 4
  switch i32 %25, label %29 [
    i32 2, label %26
    i32 1, label %27
  ]

26:                                               ; preds = %24
  store i1 true, ptr %1, align 1
  br label %27

27:                                               ; preds = %26, %24
  %28 = load i1, ptr %1, align 1
  ret i1 %28

29:                                               ; preds = %24
  unreachable
}

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 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


; 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 zeroext i1 @_Z7goodrowi(i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_Z7goodcoli(i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_Z9goodblocki(i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_Z7isvalidv() local_unnamed_addr #0 {
  %1 = tail call noundef zeroext i1 @_Z7goodrowi(i32 noundef 0)
  br i1 %1, label %50, label %54

2:                                                ; preds = %52
  %3 = tail call noundef zeroext i1 @_Z7goodrowi(i32 noundef 1)
  br i1 %3, label %4, label %54

4:                                                ; preds = %2
  %5 = tail call noundef zeroext i1 @_Z7goodcoli(i32 noundef 1)
  br i1 %5, label %6, label %54

6:                                                ; preds = %4
  %7 = tail call noundef zeroext i1 @_Z9goodblocki(i32 noundef 1)
  br i1 %7, label %8, label %54

8:                                                ; preds = %6
  %9 = tail call noundef zeroext i1 @_Z7goodrowi(i32 noundef 2)
  br i1 %9, label %10, label %54

10:                                               ; preds = %8
  %11 = tail call noundef zeroext i1 @_Z7goodcoli(i32 noundef 2)
  br i1 %11, label %12, label %54

12:                                               ; preds = %10
  %13 = tail call noundef zeroext i1 @_Z9goodblocki(i32 noundef 2)
  br i1 %13, label %14, label %54

14:                                               ; preds = %12
  %15 = tail call noundef zeroext i1 @_Z7goodrowi(i32 noundef 3)
  br i1 %15, label %16, label %54

16:                                               ; preds = %14
  %17 = tail call noundef zeroext i1 @_Z7goodcoli(i32 noundef 3)
  br i1 %17, label %18, label %54

18:                                               ; preds = %16
  %19 = tail call noundef zeroext i1 @_Z9goodblocki(i32 noundef 3)
  br i1 %19, label %20, label %54

20:                                               ; preds = %18
  %21 = tail call noundef zeroext i1 @_Z7goodrowi(i32 noundef 4)
  br i1 %21, label %22, label %54

22:                                               ; preds = %20
  %23 = tail call noundef zeroext i1 @_Z7goodcoli(i32 noundef 4)
  br i1 %23, label %24, label %54

24:                                               ; preds = %22
  %25 = tail call noundef zeroext i1 @_Z9goodblocki(i32 noundef 4)
  br i1 %25, label %26, label %54

26:                                               ; preds = %24
  %27 = tail call noundef zeroext i1 @_Z7goodrowi(i32 noundef 5)
  br i1 %27, label %28, label %54

28:                                               ; preds = %26
  %29 = tail call noundef zeroext i1 @_Z7goodcoli(i32 noundef 5)
  br i1 %29, label %30, label %54

30:                                               ; preds = %28
  %31 = tail call noundef zeroext i1 @_Z9goodblocki(i32 noundef 5)
  br i1 %31, label %32, label %54

32:                                               ; preds = %30
  %33 = tail call noundef zeroext i1 @_Z7goodrowi(i32 noundef 6)
  br i1 %33, label %34, label %54

34:                                               ; preds = %32
  %35 = tail call noundef zeroext i1 @_Z7goodcoli(i32 noundef 6)
  br i1 %35, label %36, label %54

36:                                               ; preds = %34
  %37 = tail call noundef zeroext i1 @_Z9goodblocki(i32 noundef 6)
  br i1 %37, label %38, label %54

38:                                               ; preds = %36
  %39 = tail call noundef zeroext i1 @_Z7goodrowi(i32 noundef 7)
  br i1 %39, label %40, label %54

40:                                               ; preds = %38
  %41 = tail call noundef zeroext i1 @_Z7goodcoli(i32 noundef 7)
  br i1 %41, label %42, label %54

42:                                               ; preds = %40
  %43 = tail call noundef zeroext i1 @_Z9goodblocki(i32 noundef 7)
  br i1 %43, label %44, label %54

44:                                               ; preds = %42
  %45 = tail call noundef zeroext i1 @_Z7goodrowi(i32 noundef 8)
  br i1 %45, label %46, label %54

46:                                               ; preds = %44
  %47 = tail call noundef zeroext i1 @_Z7goodcoli(i32 noundef 8)
  br i1 %47, label %48, label %54

48:                                               ; preds = %46
  %49 = tail call noundef zeroext i1 @_Z9goodblocki(i32 noundef 8)
  br label %54

50:                                               ; preds = %0
  %51 = tail call noundef zeroext i1 @_Z7goodcoli(i32 noundef 0)
  br i1 %51, label %52, label %54

52:                                               ; preds = %50
  %53 = tail call noundef zeroext i1 @_Z9goodblocki(i32 noundef 0)
  br i1 %53, label %2, label %54

54:                                               ; preds = %48, %46, %44, %42, %40, %38, %36, %34, %32, %30, %28, %26, %24, %22, %20, %18, %16, %14, %12, %10, %8, %6, %4, %2, %52, %50, %0
  %.lcssa = phi i1 [ false, %52 ], [ false, %50 ], [ false, %0 ], [ false, %2 ], [ false, %4 ], [ false, %6 ], [ false, %8 ], [ false, %10 ], [ false, %12 ], [ false, %14 ], [ false, %16 ], [ false, %18 ], [ false, %20 ], [ false, %22 ], [ false, %24 ], [ false, %26 ], [ false, %28 ], [ false, %30 ], [ false, %32 ], [ false, %34 ], [ false, %36 ], [ false, %38 ], [ false, %40 ], [ false, %42 ], [ false, %44 ], [ false, %46 ], [ %49, %48 ]
  ret i1 %.lcssa
}

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: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LCSSAPass,LoopRotatePass,SROAPass,SimplifyCFGPass,TailCallElimPass