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

; 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"

@.str = external hidden unnamed_addr constant [152 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [42 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [23 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [37 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [38 x i8], align 1

declare zeroext i8 @DebugAssertEnabled() #0

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

; Function Attrs: nounwind uwtable
define dso_local i64 @SmBusWriteBlock(i64 noundef %0, ptr noundef %1, ptr noundef %2) #1 {
  %4 = alloca i64, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  store i64 %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !9
  store ptr %2, ptr %6, align 8, !tbaa !9
  br label %7

7:                                                ; preds = %3
  %8 = call zeroext i8 @DebugAssertEnabled()
  %9 = icmp ne i8 %8, 0
  br i1 %9, label %10, label %15

10:                                               ; preds = %7
  %11 = load ptr, ptr %5, align 8, !tbaa !9
  %12 = icmp ne ptr %11, null
  br i1 %12, label %14, label %13

13:                                               ; preds = %10
  call void @DebugAssert(ptr noundef @.str, i64 noundef 485, ptr noundef @.str.5)
  br label %14

14:                                               ; preds = %13, %10
  br label %15

15:                                               ; preds = %14, %7
  br label %16

16:                                               ; preds = %15
  br label %17

17:                                               ; preds = %16
  %18 = call zeroext i8 @DebugAssertEnabled()
  %19 = icmp ne i8 %18, 0
  br i1 %19, label %20, label %27

20:                                               ; preds = %17
  %21 = load i64, ptr %4, align 8, !tbaa !5
  %22 = lshr i64 %21, 16
  %23 = and i64 %22, 63
  %24 = icmp uge i64 %23, 1
  br i1 %24, label %26, label %25

25:                                               ; preds = %20
  call void @DebugAssert(ptr noundef @.str, i64 noundef 486, ptr noundef @.str.6)
  br label %26

26:                                               ; preds = %25, %20
  br label %27

27:                                               ; preds = %26, %17
  br label %28

28:                                               ; preds = %27
  br label %29

29:                                               ; preds = %28
  %30 = call zeroext i8 @DebugAssertEnabled()
  %31 = icmp ne i8 %30, 0
  br i1 %31, label %32, label %39

32:                                               ; preds = %29
  %33 = load i64, ptr %4, align 8, !tbaa !5
  %34 = lshr i64 %33, 16
  %35 = and i64 %34, 63
  %36 = icmp ule i64 %35, 32
  br i1 %36, label %38, label %37

37:                                               ; preds = %32
  call void @DebugAssert(ptr noundef @.str, i64 noundef 487, ptr noundef @.str.7)
  br label %38

38:                                               ; preds = %37, %32
  br label %39

39:                                               ; preds = %38, %29
  br label %40

40:                                               ; preds = %39
  br label %41

41:                                               ; preds = %40
  %42 = call zeroext i8 @DebugAssertEnabled()
  %43 = icmp ne i8 %42, 0
  br i1 %43, label %44, label %50

44:                                               ; preds = %41
  %45 = load i64, ptr %4, align 8, !tbaa !5
  %46 = and i64 %45, -8388607
  %47 = icmp eq i64 %46, 0
  br i1 %47, label %49, label %48

48:                                               ; preds = %44
  call void @DebugAssert(ptr noundef @.str, i64 noundef 488, ptr noundef @.str.4)
  br label %49

49:                                               ; preds = %48, %44
  br label %50

50:                                               ; preds = %49, %41
  br label %51

51:                                               ; preds = %50
  %52 = load ptr, ptr %6, align 8, !tbaa !9
  %53 = icmp ne ptr %52, null
  br i1 %53, label %54, label %56

54:                                               ; preds = %51
  %55 = load ptr, ptr %6, align 8, !tbaa !9
  store i64 -9223372036854775805, ptr %55, align 8, !tbaa !5
  br label %56

56:                                               ; preds = %54, %51
  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" }

!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 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !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"

@.str = external hidden unnamed_addr constant [152 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [42 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [23 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [37 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [38 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 noundef i64 @SmBusWriteBlock(i64 noundef %0, ptr noundef readnone %1, ptr noundef writeonly %2) local_unnamed_addr #1 {
  %4 = tail call zeroext i8 @DebugAssertEnabled() #2
  %5 = icmp eq i8 %4, 0
  %6 = icmp ne ptr %1, null
  %or.cond = or i1 %6, %5
  br i1 %or.cond, label %8, label %7

7:                                                ; preds = %3
  tail call void @DebugAssert(ptr noundef nonnull @.str, i64 noundef 485, ptr noundef nonnull @.str.5) #2
  br label %8

8:                                                ; preds = %7, %3
  %9 = tail call zeroext i8 @DebugAssertEnabled() #2
  %.not = icmp ne i8 %9, 0
  %10 = and i64 %0, 4128768
  %.not6 = icmp eq i64 %10, 0
  %or.cond10 = and i1 %.not6, %.not
  br i1 %or.cond10, label %11, label %12

11:                                               ; preds = %8
  tail call void @DebugAssert(ptr noundef nonnull @.str, i64 noundef 486, ptr noundef nonnull @.str.6) #2
  br label %12

12:                                               ; preds = %11, %8
  %13 = tail call zeroext i8 @DebugAssertEnabled() #2
  %.not7 = icmp eq i8 %13, 0
  %14 = icmp ult i64 %10, 2162688
  %or.cond12 = or i1 %14, %.not7
  br i1 %or.cond12, label %16, label %15

15:                                               ; preds = %12
  tail call void @DebugAssert(ptr noundef nonnull @.str, i64 noundef 487, ptr noundef nonnull @.str.7) #2
  br label %16

16:                                               ; preds = %15, %12
  %17 = tail call zeroext i8 @DebugAssertEnabled() #2
  %.not8 = icmp eq i8 %17, 0
  %18 = and i64 %0, -8388607
  %19 = icmp eq i64 %18, 0
  %or.cond14 = or i1 %19, %.not8
  br i1 %or.cond14, label %21, label %20

20:                                               ; preds = %16
  tail call void @DebugAssert(ptr noundef nonnull @.str, i64 noundef 488, ptr noundef nonnull @.str.4) #2
  br label %21

21:                                               ; preds = %16, %20
  %.not9 = icmp eq ptr %2, null
  br i1 %.not9, label %23, label %22

22:                                               ; preds = %21
  store i64 -9223372036854775805, ptr %2, align 8, !tbaa !5
  br label %23

23:                                               ; preds = %22, %21
  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, !6, i64 0}
!6 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass