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

; 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"

%struct._PXEBC_PRIVATE_DATA = type { i32, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, %struct._EFI_PXE_BASE_CODE_PROTOCOL, %struct._EFI_LOAD_FILE_PROTOCOL, %struct._EFI_PXE_BASE_CODE_CALLBACK_PROTOCOL, ptr, ptr, ptr, ptr, %struct.EFI_IP4_CONFIG_DATA, ptr, ptr, ptr, i16, %struct.EFI_UDP4_CONFIG_DATA, %struct.EFI_PXE_BASE_CODE_MODE, i32, ptr, %union.EFI_IP_ADDRESS, %union.EFI_IP_ADDRESS, %union.EFI_IP_ADDRESS, %union.EFI_IP_ADDRESS, i8, i32, i64, i64, [312 x i8], %struct.EFI_DHCP4_PACKET, %struct.EFI_MAC_ADDRESS, i8, i8, i8, i32, i32, i32, %struct.PXEBC_CACHED_DHCP4_PACKET, %struct.PXEBC_CACHED_DHCP4_PACKET, %struct.PXEBC_CACHED_DHCP4_PACKET, [16 x %struct.PXEBC_CACHED_DHCP4_PACKET], [5 x i32], [5 x [16 x i32]], i32, [5 x i32], [16 x i32], ptr, %struct.EFI_IP4_COMPLETION_TOKEN }
%struct._EFI_PXE_BASE_CODE_PROTOCOL = type { i64, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr }
%struct._EFI_LOAD_FILE_PROTOCOL = type { ptr }
%struct._EFI_PXE_BASE_CODE_CALLBACK_PROTOCOL = type { i64, ptr }
%struct.EFI_IP4_CONFIG_DATA = type { i8, i8, i8, i8, i8, i8, %struct.EFI_IPv4_ADDRESS, %struct.EFI_IPv4_ADDRESS, i8, i8, i8, i8, i32, i32 }
%struct.EFI_IPv4_ADDRESS = type { [4 x i8] }
%struct.EFI_UDP4_CONFIG_DATA = type { i8, i8, i8, i8, i8, i8, i8, i32, i32, i8, %struct.EFI_IPv4_ADDRESS, %struct.EFI_IPv4_ADDRESS, i16, %struct.EFI_IPv4_ADDRESS, i16 }
%struct.EFI_PXE_BASE_CODE_MODE = type { i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, %union.EFI_IP_ADDRESS, %union.EFI_IP_ADDRESS, %union.EFI_PXE_BASE_CODE_PACKET, %union.EFI_PXE_BASE_CODE_PACKET, %union.EFI_PXE_BASE_CODE_PACKET, %union.EFI_PXE_BASE_CODE_PACKET, %union.EFI_PXE_BASE_CODE_PACKET, %union.EFI_PXE_BASE_CODE_PACKET, %struct.EFI_PXE_BASE_CODE_IP_FILTER, i32, [8 x %struct.EFI_PXE_BASE_CODE_ARP_ENTRY], i32, [8 x %struct.EFI_PXE_BASE_CODE_ROUTE_ENTRY], %struct.EFI_PXE_BASE_CODE_ICMP_ERROR, %struct.EFI_PXE_BASE_CODE_TFTP_ERROR }
%union.EFI_PXE_BASE_CODE_PACKET = type { %struct.EFI_PXE_BASE_CODE_DHCPV6_PACKET, [444 x i8] }
%struct.EFI_PXE_BASE_CODE_DHCPV6_PACKET = type { i32, [1024 x i8] }
%struct.EFI_PXE_BASE_CODE_IP_FILTER = type { i8, i8, i16, [8 x %union.EFI_IP_ADDRESS] }
%struct.EFI_PXE_BASE_CODE_ARP_ENTRY = type { %union.EFI_IP_ADDRESS, %struct.EFI_MAC_ADDRESS }
%struct.EFI_PXE_BASE_CODE_ROUTE_ENTRY = type { %union.EFI_IP_ADDRESS, %union.EFI_IP_ADDRESS, %union.EFI_IP_ADDRESS }
%struct.EFI_PXE_BASE_CODE_ICMP_ERROR = type { i8, i8, i16, %union.anon, [494 x i8] }
%union.anon = type { i32 }
%struct.EFI_PXE_BASE_CODE_TFTP_ERROR = type { i8, [127 x i8] }
%union.EFI_IP_ADDRESS = type { [4 x i32] }
%struct.EFI_DHCP4_PACKET = type <{ i32, i32, %struct.anon }>
%struct.anon = type <{ %struct.EFI_DHCP4_HEADER, i32, [1 x i8] }>
%struct.EFI_DHCP4_HEADER = type { i8, i8, i8, i8, i32, i16, i16, %struct.EFI_IPv4_ADDRESS, %struct.EFI_IPv4_ADDRESS, %struct.EFI_IPv4_ADDRESS, %struct.EFI_IPv4_ADDRESS, [16 x i8], [64 x i8], [128 x i8] }
%struct.EFI_MAC_ADDRESS = type { [32 x i8] }
%struct.PXEBC_CACHED_DHCP4_PACKET = type { %union.PXEBC_DHCP4_PACKET, i8, i8, [7 x ptr], %struct.PXEBC_VENDOR_OPTION }
%union.PXEBC_DHCP4_PACKET = type { [1480 x i8] }
%struct.PXEBC_VENDOR_OPTION = type { [8 x i32], %struct.EFI_IPv4_ADDRESS, i16, i16, i8, i8, i8, %struct.EFI_IPv4_ADDRESS, %struct.EFI_IPv4_ADDRESS, i16, i16, i16, i16, ptr, i8, ptr, i8, ptr, i8, ptr, i8 }
%struct.EFI_IP4_COMPLETION_TOKEN = type { ptr, i64, %union.anon.1 }
%union.anon.1 = type { ptr }

; 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
declare dso_local zeroext i8 @PxeBcTryBinl(ptr noundef, i32 noundef) #1

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

8:                                                ; preds = %30, %2
  %9 = load i32, ptr %6, align 4, !tbaa !9
  %10 = load ptr, ptr %4, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct._PXEBC_PRIVATE_DATA, ptr %10, i32 0, i32 50
  %12 = getelementptr inbounds [5 x i32], ptr %11, i64 0, i64 2
  %13 = load i32, ptr %12, align 8, !tbaa !9
  %14 = icmp ult i32 %9, %13
  br i1 %14, label %15, label %33

15:                                               ; preds = %8
  %16 = load ptr, ptr %4, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct._PXEBC_PRIVATE_DATA, ptr %16, i32 0, i32 51
  %18 = load i32, ptr %6, align 4, !tbaa !9
  %19 = zext i32 %18 to i64
  %20 = getelementptr inbounds [16 x i32], ptr %17, i64 0, i64 %19
  %21 = load i32, ptr %20, align 4, !tbaa !9
  %22 = load ptr, ptr %5, align 8, !tbaa !5
  store i32 %21, ptr %22, align 4, !tbaa !9
  %23 = load ptr, ptr %4, align 8, !tbaa !5
  %24 = load ptr, ptr %5, align 8, !tbaa !5
  %25 = load i32, ptr %24, align 4, !tbaa !9
  %26 = call zeroext i8 @PxeBcTryBinl(ptr noundef %23, i32 noundef %25)
  %27 = icmp ne i8 %26, 0
  br i1 %27, label %28, label %29

28:                                               ; preds = %15
  store i8 1, ptr %3, align 1
  store i32 1, ptr %7, align 4
  br label %34

29:                                               ; preds = %15
  br label %30

30:                                               ; preds = %29
  %31 = load i32, ptr %6, align 4, !tbaa !9
  %32 = add i32 %31, 1
  store i32 %32, ptr %6, align 4, !tbaa !9
  br label %8, !llvm.loop !11

33:                                               ; preds = %8
  store i8 0, ptr %3, align 1
  store i32 1, ptr %7, align 4
  br label %34

34:                                               ; preds = %33, %28
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #2
  %35 = load i8, ptr %3, 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 = !{!"int", !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: nounwind uwtable
declare dso_local zeroext i8 @PxeBcTryBinl(ptr noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local zeroext range(i8 0, 2) i8 @PxeBcTryBinlProxy(ptr noundef %0, ptr nocapture noundef writeonly %1) local_unnamed_addr #0 {
  %3 = getelementptr inbounds i8, ptr %0, i64 43612
  %4 = getelementptr inbounds i8, ptr %0, i64 43600
  %5 = load i32, ptr %4, align 8, !tbaa !5
  %.not12 = icmp eq i32 %5, 0
  br i1 %.not12, label %._crit_edge, label %.lr.ph

6:                                                ; preds = %.lr.ph
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %7 = load i32, ptr %4, align 8, !tbaa !5
  %8 = zext i32 %7 to i64
  %9 = icmp ult i64 %indvars.iv.next, %8
  br i1 %9, label %.lr.ph, label %._crit_edge, !llvm.loop !9

.lr.ph:                                           ; preds = %2, %6
  %indvars.iv = phi i64 [ %indvars.iv.next, %6 ], [ 0, %2 ]
  %10 = getelementptr inbounds [16 x i32], ptr %3, i64 0, i64 %indvars.iv
  %11 = load i32, ptr %10, align 4, !tbaa !5
  store i32 %11, ptr %1, align 4, !tbaa !5
  %12 = tail call zeroext i8 @PxeBcTryBinl(ptr noundef nonnull %0, i32 noundef %11)
  %.not = icmp eq i8 %12, 0
  br i1 %.not, label %6, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %6, %2
  %.08 = phi i8 [ 0, %2 ], [ 0, %6 ], [ 1, %.lr.ph ]
  ret i8 %.08
}

attributes #0 = { 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/C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


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