; LLVM IR from thalium/icebox :: third_party/virtualbox/src/VBox/Devices/EFI/Firmware/IntelFrameworkModulePkg (Undi16SimpleNetworkCleanupUndi)

; 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_UNDI_CLEANUP_T = type { 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 @Undi16SimpleNetworkCleanupUndi(ptr noundef %0) #1 {
  %2 = alloca i64, align 8
  %3 = alloca ptr, align 8
  %4 = alloca i64, align 8
  %5 = alloca %struct.PXENV_UNDI_CLEANUP_T, align 1
  %6 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  call void @llvm.lifetime.start.p0(i64 2, ptr %5) #3
  %7 = getelementptr inbounds %struct.PXENV_UNDI_CLEANUP_T, ptr %5, i32 0, i32 0
  store i16 -21555, ptr %7, align 1, !tbaa !9
  %8 = load ptr, ptr %3, align 8, !tbaa !5
  %9 = call i64 @PxeUndiCleanup(ptr noundef %8, ptr noundef %5)
  store i64 %9, ptr %4, align 8, !tbaa !12
  %10 = load i64, ptr %4, align 8, !tbaa !12
  %11 = icmp slt i64 %10, 0
  br i1 %11, label %12, label %14

12:                                               ; preds = %1
  %13 = load i64, ptr %4, align 8, !tbaa !12
  store i64 %13, ptr %2, align 8
  store i32 1, ptr %6, align 4
  br label %22

14:                                               ; preds = %1
  %15 = getelementptr inbounds %struct.PXENV_UNDI_CLEANUP_T, ptr %5, i32 0, i32 0
  %16 = load i16, ptr %15, align 1, !tbaa !9
  %17 = zext i16 %16 to i32
  %18 = icmp ne i32 %17, 0
  br i1 %18, label %19, label %20

19:                                               ; preds = %14
  store i64 -9223372036854775801, ptr %2, align 8
  store i32 1, ptr %6, align 4
  br label %22

20:                                               ; preds = %14
  %21 = load i64, ptr %4, align 8, !tbaa !12
  store i64 %21, ptr %2, align 8
  store i32 1, ptr %6, align 4
  br label %22

22:                                               ; preds = %20, %19, %12
  call void @llvm.lifetime.end.p0(i64 2, ptr %5) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #3
  %23 = load i64, ptr %2, align 8
  ret i64 %23
}

declare i64 @PxeUndiCleanup(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, !11, i64 0}
!10 = !{!"", !11, i64 0}
!11 = !{!"short", !7, i64 0}
!12 = !{!13, !13, i64 0}
!13 = !{!"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_UNDI_CLEANUP_T = type { 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 @Undi16SimpleNetworkCleanupUndi(ptr noundef %0) local_unnamed_addr #1 {
  %2 = alloca %struct.PXENV_UNDI_CLEANUP_T, align 2
  call void @llvm.lifetime.start.p0(i64 2, ptr nonnull %2) #3
  store i16 -21555, ptr %2, align 2, !tbaa !5
  %3 = call i64 @PxeUndiCleanup(ptr noundef %0, ptr noundef nonnull %2) #3
  %4 = icmp slt i64 %3, 0
  %5 = load i16, ptr %2, align 2
  %.not = icmp eq i16 %5, 0
  %6 = select i1 %4, i1 true, i1 %.not
  %.0 = select i1 %6, i64 %3, i64 -9223372036854775801
  call void @llvm.lifetime.end.p0(i64 2, ptr nonnull %2) #3
  ret i64 %.0
}

declare i64 @PxeUndiCleanup(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 = !{!"short", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}


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