; LLVM IR from thalium/icebox :: third_party/virtualbox/src/VBox/Devices/EFI/Firmware/IntelFrameworkModulePkg (Undi16SimpleNetworkStartUndi)

; 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.PXENV_START_UNDI_T = type { i16, i16, i16, i16, i16, i16 }

; 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 i64 @Undi16SimpleNetworkStartUndi(ptr noundef %0, i16 noundef zeroext %1) #1 {
  %3 = alloca i64, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i16, align 2
  %6 = alloca i64, align 8
  %7 = alloca %struct.PXENV_START_UNDI_T, align 1
  %8 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i16 %1, ptr %5, align 2, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  call void @llvm.lifetime.start.p0(i64 12, ptr %7) #3
  %9 = getelementptr inbounds %struct.PXENV_START_UNDI_T, ptr %7, i32 0, i32 0
  store i16 -21555, ptr %9, align 1, !tbaa !11
  %10 = load i16, ptr %5, align 2, !tbaa !9
  %11 = getelementptr inbounds %struct.PXENV_START_UNDI_T, ptr %7, i32 0, i32 1
  store i16 %10, ptr %11, align 1, !tbaa !13
  %12 = getelementptr inbounds %struct.PXENV_START_UNDI_T, ptr %7, i32 0, i32 2
  store i16 0, ptr %12, align 1, !tbaa !14
  %13 = getelementptr inbounds %struct.PXENV_START_UNDI_T, ptr %7, i32 0, i32 3
  store i16 0, ptr %13, align 1, !tbaa !15
  %14 = getelementptr inbounds %struct.PXENV_START_UNDI_T, ptr %7, i32 0, i32 4
  store i16 0, ptr %14, align 1, !tbaa !16
  %15 = getelementptr inbounds %struct.PXENV_START_UNDI_T, ptr %7, i32 0, i32 5
  store i16 0, ptr %15, align 1, !tbaa !17
  %16 = load ptr, ptr %4, align 8, !tbaa !5
  %17 = call i64 @PxeStartUndi(ptr noundef %16, ptr noundef %7)
  store i64 %17, ptr %6, align 8, !tbaa !18
  %18 = load i64, ptr %6, align 8, !tbaa !18
  %19 = icmp slt i64 %18, 0
  br i1 %19, label %20, label %22

20:                                               ; preds = %2
  %21 = load i64, ptr %6, align 8, !tbaa !18
  store i64 %21, ptr %3, align 8
  store i32 1, ptr %8, align 4
  br label %30

22:                                               ; preds = %2
  %23 = getelementptr inbounds %struct.PXENV_START_UNDI_T, ptr %7, i32 0, i32 0
  %24 = load i16, ptr %23, align 1, !tbaa !11
  %25 = zext i16 %24 to i32
  %26 = icmp ne i32 %25, 0
  br i1 %26, label %27, label %28

27:                                               ; preds = %22
  store i64 -9223372036854775801, ptr %3, align 8
  store i32 1, ptr %8, align 4
  br label %30

28:                                               ; preds = %22
  %29 = load i64, ptr %6, align 8, !tbaa !18
  store i64 %29, ptr %3, align 8
  store i32 1, ptr %8, align 4
  br label %30

30:                                               ; preds = %28, %27, %20
  call void @llvm.lifetime.end.p0(i64 12, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  %31 = load i64, ptr %3, align 8
  ret i64 %31
}

declare i64 @PxeStartUndi(ptr noundef, ptr noundef) #2

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 = { "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 #3 = { 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 = !{!"short", !7, i64 0}
!11 = !{!12, !10, i64 0}
!12 = !{!"", !10, i64 0, !10, i64 2, !10, i64 4, !10, i64 6, !10, i64 8, !10, i64 10}
!13 = !{!12, !10, i64 2}
!14 = !{!12, !10, i64 4}
!15 = !{!12, !10, i64 6}
!16 = !{!12, !10, i64 8}
!17 = !{!12, !10, i64 10}
!18 = !{!19, !19, i64 0}
!19 = !{!"long long", !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"

%struct.PXENV_START_UNDI_T = type { i16, i16, i16, i16, i16, i16 }

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

; Function Attrs: mustprogress 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 i64 @Undi16SimpleNetworkStartUndi(ptr noundef %0, i16 noundef zeroext %1) local_unnamed_addr #1 {
  %3 = alloca %struct.PXENV_START_UNDI_T, align 2
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %3) #3
  store i16 -21555, ptr %3, align 2, !tbaa !5
  %4 = getelementptr inbounds i8, ptr %3, i64 2
  store i16 %1, ptr %4, align 2, !tbaa !10
  %5 = getelementptr inbounds i8, ptr %3, i64 4
  store i64 0, ptr %5, align 2
  %6 = call i64 @PxeStartUndi(ptr noundef %0, ptr noundef nonnull %3) #3
  %7 = icmp slt i64 %6, 0
  %8 = load i16, ptr %3, align 2
  %.not = icmp eq i16 %8, 0
  %9 = select i1 %7, i1 true, i1 %.not
  %.0 = select i1 %9, i64 %6, i64 -9223372036854775801
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %3) #3
  ret i64 %.0
}

declare i64 @PxeStartUndi(ptr noundef, ptr noundef) local_unnamed_addr #2

attributes #0 = { mustprogress 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 = { "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 #3 = { 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, !7, i64 0}
!6 = !{!"", !7, i64 0, !7, i64 2, !7, i64 4, !7, i64 6, !7, i64 8, !7, i64 10}
!7 = !{!"short", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!6, !7, i64 2}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,MemCpyOptPass,SROAPass,SimplifyCFGPass