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

; 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._EFI_SIMPLE_NETWORK_PROTOCOL = type { i64, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr }

@.str = external hidden unnamed_addr constant [151 x i8], align 1
@.str.19 = external hidden unnamed_addr constant [20 x i8], align 1

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

declare zeroext i8 @DebugAssertEnabled() #1

declare void @DebugAssert(ptr noundef, i64 noundef, ptr noundef) #1

; 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 @MnpStopSnp(ptr noundef %0) #2 {
  %2 = alloca ptr, align 8
  %3 = alloca i64, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  br label %4

4:                                                ; preds = %1
  %5 = call zeroext i8 @DebugAssertEnabled()
  %6 = icmp ne i8 %5, 0
  br i1 %6, label %7, label %12

7:                                                ; preds = %4
  %8 = load ptr, ptr %2, align 8, !tbaa !5
  %9 = icmp ne ptr %8, null
  br i1 %9, label %11, label %10

10:                                               ; preds = %7
  call void @DebugAssert(ptr noundef @.str, i64 noundef 973, ptr noundef @.str.19)
  br label %11

11:                                               ; preds = %10, %7
  br label %12

12:                                               ; preds = %11, %4
  br label %13

13:                                               ; preds = %12
  br label %14

14:                                               ; preds = %13
  %15 = load ptr, ptr %2, align 8, !tbaa !5
  %16 = getelementptr inbounds %struct._EFI_SIMPLE_NETWORK_PROTOCOL, ptr %15, i32 0, i32 5
  %17 = load ptr, ptr %16, align 8, !tbaa !9
  %18 = load ptr, ptr %2, align 8, !tbaa !5
  %19 = call i64 %17(ptr noundef %18)
  store i64 %19, ptr %3, align 8, !tbaa !12
  %20 = load i64, ptr %3, align 8, !tbaa !12
  %21 = icmp slt i64 %20, 0
  br i1 %21, label %28, label %22

22:                                               ; preds = %14
  %23 = load ptr, ptr %2, align 8, !tbaa !5
  %24 = getelementptr inbounds %struct._EFI_SIMPLE_NETWORK_PROTOCOL, ptr %23, i32 0, i32 2
  %25 = load ptr, ptr %24, align 8, !tbaa !13
  %26 = load ptr, ptr %2, align 8, !tbaa !5
  %27 = call i64 %25(ptr noundef %26)
  store i64 %27, ptr %3, align 8, !tbaa !12
  br label %28

28:                                               ; preds = %22, %14
  %29 = load i64, ptr %3, align 8, !tbaa !12
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  ret i64 %29
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "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 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 #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, !6, i64 40}
!10 = !{!"_EFI_SIMPLE_NETWORK_PROTOCOL", !11, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40, !6, i64 48, !6, i64 56, !6, i64 64, !6, i64 72, !6, i64 80, !6, i64 88, !6, i64 96, !6, i64 104, !6, i64 112, !6, i64 120}
!11 = !{!"long long", !7, i64 0}
!12 = !{!11, !11, i64 0}
!13 = !{!10, !6, i64 16}


; 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"

@.str = external hidden unnamed_addr constant [151 x i8], align 1
@.str.19 = external hidden unnamed_addr constant [20 x i8], align 1

declare zeroext i8 @DebugAssertEnabled() local_unnamed_addr #0

declare void @DebugAssert(ptr noundef, i64 noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local i64 @MnpStopSnp(ptr noundef %0) local_unnamed_addr #1 {
  %2 = tail call zeroext i8 @DebugAssertEnabled() #2
  %3 = icmp eq i8 %2, 0
  %4 = icmp ne ptr %0, null
  %or.cond = or i1 %4, %3
  br i1 %or.cond, label %6, label %5

5:                                                ; preds = %1
  tail call void @DebugAssert(ptr noundef nonnull @.str, i64 noundef 973, ptr noundef nonnull @.str.19) #2
  br label %6

6:                                                ; preds = %5, %1
  %7 = getelementptr inbounds i8, ptr %0, i64 40
  %8 = load ptr, ptr %7, align 8, !tbaa !5
  %9 = tail call i64 %8(ptr noundef %0) #2
  %10 = icmp slt i64 %9, 0
  br i1 %10, label %15, label %11

11:                                               ; preds = %6
  %12 = getelementptr inbounds i8, ptr %0, i64 16
  %13 = load ptr, ptr %12, align 8, !tbaa !11
  %14 = tail call i64 %13(ptr noundef nonnull %0) #2
  br label %15

15:                                               ; preds = %11, %6
  %.0 = phi i64 [ %9, %6 ], [ %14, %11 ]
  ret i64 %.0
}

attributes #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 #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, !10, i64 40}
!6 = !{!"_EFI_SIMPLE_NETWORK_PROTOCOL", !7, i64 0, !10, i64 8, !10, i64 16, !10, i64 24, !10, i64 32, !10, i64 40, !10, i64 48, !10, i64 56, !10, i64 64, !10, i64 72, !10, i64 80, !10, i64 88, !10, i64 96, !10, i64 104, !10, i64 112, !10, i64 120}
!7 = !{!"long long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!6, !10, i64 16}


; Effective O3 passes: CorrelatedValuePropagationPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass