; LLVM IR from lfarcaro/ARINC653_ARMV7A_Z7000 :: ARINC653_ARMV7A_Z7000.sw/ARINC653_ARMV7A_Z7000_bsp/ps7_cortexa9_0/libsrc/scugic_v3 (Disconnect)

; 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.XScuGic = type { ptr, i32, i32 }
%struct.XScuGic_Config = type { i16, i32, i32, [95 x %struct.XScuGic_VectorTableEntry] }
%struct.XScuGic_VectorTableEntry = type { ptr, ptr }

@Xil_AssertStatus = external global i32, align 4
@.str = external hidden unnamed_addr constant [164 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 void @Xil_Assert(ptr noundef, i32 noundef) #1

; Function Attrs: nounwind uwtable
declare hidden void @StubHandler(ptr noundef) #2

; 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 void @XScuGic_Disconnect(ptr noundef %0, i32 noundef %1) #2 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  %7 = load ptr, ptr %3, align 8, !tbaa !5
  %8 = icmp ne ptr %7, null
  br i1 %8, label %9, label %10

9:                                                ; preds = %2
  store i32 0, ptr @Xil_AssertStatus, align 4, !tbaa !9
  br label %11

10:                                               ; preds = %2
  call void @Xil_Assert(ptr noundef @.str, i32 noundef 496)
  store i32 1, ptr @Xil_AssertStatus, align 4, !tbaa !9
  store i32 1, ptr %6, align 4
  br label %56

11:                                               ; preds = %9
  %12 = load i32, ptr %4, align 4, !tbaa !9
  %13 = icmp ult i32 %12, 95
  br i1 %13, label %14, label %15

14:                                               ; preds = %11
  store i32 0, ptr @Xil_AssertStatus, align 4, !tbaa !9
  br label %16

15:                                               ; preds = %11
  call void @Xil_Assert(ptr noundef @.str, i32 noundef 497)
  store i32 1, ptr @Xil_AssertStatus, align 4, !tbaa !9
  store i32 1, ptr %6, align 4
  br label %56

16:                                               ; preds = %14
  %17 = load ptr, ptr %3, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct.XScuGic, ptr %17, i32 0, i32 1
  %19 = load i32, ptr %18, align 8, !tbaa !11
  %20 = icmp eq i32 %19, 286331153
  br i1 %20, label %21, label %22

21:                                               ; preds = %16
  store i32 0, ptr @Xil_AssertStatus, align 4, !tbaa !9
  br label %23

22:                                               ; preds = %16
  call void @Xil_Assert(ptr noundef @.str, i32 noundef 498)
  store i32 1, ptr @Xil_AssertStatus, align 4, !tbaa !9
  store i32 1, ptr %6, align 4
  br label %56

23:                                               ; preds = %21
  %24 = load i32, ptr %4, align 4, !tbaa !9
  %25 = urem i32 %24, 32
  %26 = shl i32 1, %25
  store i32 %26, ptr %5, align 4, !tbaa !9
  %27 = load ptr, ptr %3, align 8, !tbaa !5
  %28 = getelementptr inbounds %struct.XScuGic, ptr %27, i32 0, i32 0
  %29 = load ptr, ptr %28, align 8, !tbaa !13
  %30 = getelementptr inbounds %struct.XScuGic_Config, ptr %29, i32 0, i32 2
  %31 = load i32, ptr %30, align 8, !tbaa !14
  %32 = load i32, ptr %4, align 4, !tbaa !9
  %33 = udiv i32 %32, 32
  %34 = mul i32 %33, 4
  %35 = add i32 384, %34
  %36 = add i32 %31, %35
  %37 = zext i32 %36 to i64
  %38 = load i32, ptr %5, align 4, !tbaa !9
  call void @Xil_Out32(i64 noundef %37, i32 noundef %38)
  %39 = load ptr, ptr %3, align 8, !tbaa !5
  %40 = getelementptr inbounds %struct.XScuGic, ptr %39, i32 0, i32 0
  %41 = load ptr, ptr %40, align 8, !tbaa !13
  %42 = getelementptr inbounds %struct.XScuGic_Config, ptr %41, i32 0, i32 3
  %43 = load i32, ptr %4, align 4, !tbaa !9
  %44 = zext i32 %43 to i64
  %45 = getelementptr inbounds [95 x %struct.XScuGic_VectorTableEntry], ptr %42, i64 0, i64 %44
  %46 = getelementptr inbounds %struct.XScuGic_VectorTableEntry, ptr %45, i32 0, i32 0
  store ptr @StubHandler, ptr %46, align 8, !tbaa !17
  %47 = load ptr, ptr %3, align 8, !tbaa !5
  %48 = load ptr, ptr %3, align 8, !tbaa !5
  %49 = getelementptr inbounds %struct.XScuGic, ptr %48, i32 0, i32 0
  %50 = load ptr, ptr %49, align 8, !tbaa !13
  %51 = getelementptr inbounds %struct.XScuGic_Config, ptr %50, i32 0, i32 3
  %52 = load i32, ptr %4, align 4, !tbaa !9
  %53 = zext i32 %52 to i64
  %54 = getelementptr inbounds [95 x %struct.XScuGic_VectorTableEntry], ptr %51, i64 0, i64 %53
  %55 = getelementptr inbounds %struct.XScuGic_VectorTableEntry, ptr %54, i32 0, i32 1
  store ptr %47, ptr %55, align 8, !tbaa !19
  store i32 0, ptr %6, align 4
  br label %56

56:                                               ; preds = %23, %22, %15, %10
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  %57 = load i32, ptr %6, align 4
  switch i32 %57, label %59 [
    i32 0, label %58
    i32 1, label %58
  ]

58:                                               ; preds = %56, %56
  ret void

59:                                               ; preds = %56
  unreachable
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @Xil_Out32(i64 noundef, i32 noundef) #3

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


; 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.XScuGic_VectorTableEntry = type { ptr, ptr }

@Xil_AssertStatus = external local_unnamed_addr global i32, align 4
@.str = external hidden unnamed_addr constant [164 x i8], align 1

declare void @Xil_Assert(ptr noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare hidden void @StubHandler(ptr noundef) #1

; Function Attrs: nounwind uwtable
define dso_local void @XScuGic_Disconnect(ptr noundef %0, i32 noundef %1) local_unnamed_addr #1 {
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %5, label %3

3:                                                ; preds = %2
  store i32 0, ptr @Xil_AssertStatus, align 4, !tbaa !5
  %4 = icmp ult i32 %1, 95
  br i1 %4, label %6, label %10

5:                                                ; preds = %2
  tail call void @Xil_Assert(ptr noundef nonnull @.str, i32 noundef 496) #3
  store i32 1, ptr @Xil_AssertStatus, align 4, !tbaa !5
  br label %28

6:                                                ; preds = %3
  %7 = getelementptr inbounds i8, ptr %0, i64 8
  %8 = load i32, ptr %7, align 8, !tbaa !9
  %9 = icmp eq i32 %8, 286331153
  br i1 %9, label %11, label %27

10:                                               ; preds = %3
  tail call void @Xil_Assert(ptr noundef nonnull @.str, i32 noundef 497) #3
  store i32 1, ptr @Xil_AssertStatus, align 4, !tbaa !5
  br label %28

11:                                               ; preds = %6
  %12 = and i32 %1, 31
  %13 = shl nuw i32 1, %12
  %14 = load ptr, ptr %0, align 8, !tbaa !12
  %15 = getelementptr inbounds i8, ptr %14, i64 8
  %16 = load i32, ptr %15, align 8, !tbaa !13
  %17 = lshr i32 %1, 3
  %18 = and i32 %17, 12
  %19 = or disjoint i32 %18, 384
  %20 = add i32 %19, %16
  %21 = zext i32 %20 to i64
  tail call void @Xil_Out32(i64 noundef %21, i32 noundef %13)
  %22 = load ptr, ptr %0, align 8, !tbaa !12
  %23 = getelementptr inbounds i8, ptr %22, i64 16
  %24 = zext nneg i32 %1 to i64
  %25 = getelementptr inbounds [95 x %struct.XScuGic_VectorTableEntry], ptr %23, i64 0, i64 %24
  store ptr @StubHandler, ptr %25, align 8, !tbaa !16
  %26 = getelementptr inbounds [95 x %struct.XScuGic_VectorTableEntry], ptr %23, i64 0, i64 %24, i32 1
  store ptr %0, ptr %26, align 8, !tbaa !18
  br label %28

27:                                               ; preds = %6
  tail call void @Xil_Assert(ptr noundef nonnull @.str, i32 noundef 498) #3
  store i32 1, ptr @Xil_AssertStatus, align 4, !tbaa !5
  br label %28

28:                                               ; preds = %11, %27, %10, %5
  ret void
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @Xil_Out32(i64 noundef, i32 noundef) local_unnamed_addr #2

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 = { inlinehint 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !6, i64 8}
!10 = !{!"", !11, i64 0, !6, i64 8, !6, i64 12}
!11 = !{!"any pointer", !7, i64 0}
!12 = !{!10, !11, i64 0}
!13 = !{!14, !6, i64 8}
!14 = !{!"", !15, i64 0, !6, i64 4, !6, i64 8, !7, i64 16}
!15 = !{!"short", !7, i64 0}
!16 = !{!17, !11, i64 0}
!17 = !{!"", !11, i64 0, !11, i64 8}
!18 = !{!17, !11, i64 8}


; Effective O3 passes: DSEPass,EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass