; LLVM IR from VastoLorde95/Competitive-Programming :: Codeforces/400/F/F.ll (Z3cmpRKiS0_)

; 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"

@pt = external dso_local global i32, align 4

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_Z3cmpRKiS0_(ptr noundef nonnull align 4 dereferenceable(4) %0, ptr noundef nonnull align 4 dereferenceable(4) %1) #0 {
  %3 = alloca i1, align 1
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  %6 = load ptr, ptr %4, align 8, !tbaa !5
  %7 = load i32, ptr %6, align 4, !tbaa !9
  %8 = load i32, ptr @pt, align 4, !tbaa !9
  %9 = icmp slt i32 %7, %8
  br i1 %9, label %10, label %21

10:                                               ; preds = %2
  %11 = load ptr, ptr %5, align 8, !tbaa !5
  %12 = load i32, ptr %11, align 4, !tbaa !9
  %13 = load i32, ptr @pt, align 4, !tbaa !9
  %14 = icmp slt i32 %12, %13
  br i1 %14, label %15, label %21

15:                                               ; preds = %10
  %16 = load ptr, ptr %4, align 8, !tbaa !5
  %17 = load i32, ptr %16, align 4, !tbaa !9
  %18 = load ptr, ptr %5, align 8, !tbaa !5
  %19 = load i32, ptr %18, align 4, !tbaa !9
  %20 = icmp slt i32 %17, %19
  store i1 %20, ptr %3, align 1
  br label %43

21:                                               ; preds = %10, %2
  %22 = load ptr, ptr %4, align 8, !tbaa !5
  %23 = load i32, ptr %22, align 4, !tbaa !9
  %24 = load i32, ptr @pt, align 4, !tbaa !9
  %25 = icmp sgt i32 %23, %24
  br i1 %25, label %26, label %37

26:                                               ; preds = %21
  %27 = load ptr, ptr %5, align 8, !tbaa !5
  %28 = load i32, ptr %27, align 4, !tbaa !9
  %29 = load i32, ptr @pt, align 4, !tbaa !9
  %30 = icmp sgt i32 %28, %29
  br i1 %30, label %31, label %37

31:                                               ; preds = %26
  %32 = load ptr, ptr %4, align 8, !tbaa !5
  %33 = load i32, ptr %32, align 4, !tbaa !9
  %34 = load ptr, ptr %5, align 8, !tbaa !5
  %35 = load i32, ptr %34, align 4, !tbaa !9
  %36 = icmp slt i32 %33, %35
  store i1 %36, ptr %3, align 1
  br label %43

37:                                               ; preds = %26, %21
  %38 = load ptr, ptr %4, align 8, !tbaa !5
  %39 = load i32, ptr %38, align 4, !tbaa !9
  %40 = load ptr, ptr %5, align 8, !tbaa !5
  %41 = load i32, ptr %40, align 4, !tbaa !9
  %42 = icmp sgt i32 %39, %41
  store i1 %42, ptr %3, align 1
  br label %43

43:                                               ; preds = %37, %31, %15
  %44 = load i1, ptr %3, align 1
  ret i1 %44
}

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)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !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"

@pt = external dso_local local_unnamed_addr global i32, align 4

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(read, inaccessiblemem: none) uwtable
define dso_local noundef zeroext i1 @_Z3cmpRKiS0_(ptr nocapture noundef nonnull readonly align 4 dereferenceable(4) %0, ptr nocapture noundef nonnull readonly align 4 dereferenceable(4) %1) local_unnamed_addr #0 {
  %3 = load i32, ptr %0, align 4, !tbaa !5
  %4 = load i32, ptr @pt, align 4, !tbaa !5
  %5 = icmp slt i32 %3, %4
  %.pre.pre = load i32, ptr %1, align 4, !tbaa !5
  %6 = icmp slt i32 %.pre.pre, %4
  %or.cond = select i1 %5, i1 %6, i1 false
  br i1 %or.cond, label %7, label %9

7:                                                ; preds = %2
  %8 = icmp slt i32 %3, %.pre.pre
  br label %16

9:                                                ; preds = %2
  %10 = icmp sgt i32 %3, %4
  %11 = icmp sgt i32 %.pre.pre, %4
  %or.cond17 = select i1 %10, i1 %11, i1 false
  br i1 %or.cond17, label %12, label %14

12:                                               ; preds = %9
  %13 = icmp slt i32 %3, %.pre.pre
  br label %16

14:                                               ; preds = %9
  %15 = icmp sgt i32 %3, %.pre.pre
  br label %16

16:                                               ; preds = %14, %12, %7
  %.0 = phi i1 [ %8, %7 ], [ %13, %12 ], [ %15, %14 ]
  ret i1 %.0
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(read, inaccessiblemem: none) 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: EarlyCSEPass,GVNPass,GlobalOptPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass