; LLVM IR from thalium/icebox :: third_party/virtualbox/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Library (NetIsInHandleBuffer)

; 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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind uwtable
define dso_local zeroext i8 @NetIsInHandleBuffer(ptr noundef %0, i64 noundef %1, ptr noundef %2) #1 {
  %4 = alloca i8, align 1
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i64, align 8
  %9 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i64 %1, ptr %6, align 8, !tbaa !9
  store ptr %2, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #2
  %10 = load i64, ptr %6, align 8, !tbaa !9
  %11 = icmp eq i64 %10, 0
  br i1 %11, label %15, label %12

12:                                               ; preds = %3
  %13 = load ptr, ptr %7, align 8, !tbaa !5
  %14 = icmp eq ptr %13, null
  br i1 %14, label %15, label %16

15:                                               ; preds = %12, %3
  store i8 0, ptr %4, align 1
  store i32 1, ptr %9, align 4
  br label %34

16:                                               ; preds = %12
  store i64 0, ptr %8, align 8, !tbaa !9
  br label %17

17:                                               ; preds = %30, %16
  %18 = load i64, ptr %8, align 8, !tbaa !9
  %19 = load i64, ptr %6, align 8, !tbaa !9
  %20 = icmp ult i64 %18, %19
  br i1 %20, label %21, label %33

21:                                               ; preds = %17
  %22 = load ptr, ptr %5, align 8, !tbaa !5
  %23 = load ptr, ptr %7, align 8, !tbaa !5
  %24 = load i64, ptr %8, align 8, !tbaa !9
  %25 = getelementptr inbounds ptr, ptr %23, i64 %24
  %26 = load ptr, ptr %25, align 8, !tbaa !5
  %27 = icmp eq ptr %22, %26
  br i1 %27, label %28, label %29

28:                                               ; preds = %21
  store i8 1, ptr %4, align 1
  store i32 1, ptr %9, align 4
  br label %34

29:                                               ; preds = %21
  br label %30

30:                                               ; preds = %29
  %31 = load i64, ptr %8, align 8, !tbaa !9
  %32 = add i64 %31, 1
  store i64 %32, ptr %8, align 8, !tbaa !9
  br label %17, !llvm.loop !11

33:                                               ; preds = %17
  store i8 0, ptr %4, align 1
  store i32 1, ptr %9, align 4
  br label %34

34:                                               ; preds = %33, %28, %15
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #2
  %35 = load i8, ptr %4, align 1
  ret i8 %35
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = { 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long long", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"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: nofree norecurse nosync nounwind memory(argmem: read) uwtable
define dso_local zeroext range(i8 0, 2) i8 @NetIsInHandleBuffer(ptr noundef readnone %0, i64 noundef %1, ptr noundef readonly %2) local_unnamed_addr #0 {
  %4 = icmp eq i64 %1, 0
  %5 = icmp eq ptr %2, null
  %or.cond = or i1 %4, %5
  br i1 %or.cond, label %.loopexit, label %.preheader

6:                                                ; preds = %.preheader
  %7 = add nuw i64 %.012, 1
  %exitcond.not = icmp eq i64 %7, %1
  br i1 %exitcond.not, label %.loopexit, label %.preheader, !llvm.loop !5

.preheader:                                       ; preds = %3, %6
  %.012 = phi i64 [ %7, %6 ], [ 0, %3 ]
  %8 = getelementptr inbounds ptr, ptr %2, i64 %.012
  %9 = load ptr, ptr %8, align 8, !tbaa !7
  %10 = icmp eq ptr %9, %0
  br i1 %10, label %.loopexit, label %6

.loopexit:                                        ; preds = %6, %.preheader, %3
  %.09 = phi i8 [ 0, %3 ], [ 0, %6 ], [ 1, %.preheader ]
  ret i8 %.09
}

attributes #0 = { nofree norecurse nosync nounwind memory(argmem: read) 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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}
!7 = !{!8, !8, i64 0}
!8 = !{!"any pointer", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C/C++ TBAA"}


; Effective O3 passes: GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass