; LLVM IR from lfarcaro/ARINC653_ARMV7A_Z7000 :: ARINC653_ARMV7A_Z7000.sw/ARINC653_ARMV7A_Z7000_bsp/ps7_cortexa9_0/libsrc/xadcps_v2 (SetSequencerMode)

; 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.XAdcPs = type { %struct.XAdcPs_Config, i32 }
%struct.XAdcPs_Config = type { i16, i32 }

@Xil_AssertStatus = external global i32, align 4
@.str = external hidden unnamed_addr constant [162 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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind uwtable
declare dso_local i32 @XAdcPs_ReadInternalReg(ptr noundef, i32 noundef) #2

; Function Attrs: nounwind uwtable
declare dso_local void @XAdcPs_WriteInternalReg(ptr noundef, i32 noundef, i32 noundef) #2

; Function Attrs: nounwind uwtable
define dso_local void @XAdcPs_SetSequencerMode(ptr noundef %0, i8 noundef zeroext %1) #2 {
  %3 = alloca ptr, align 8
  %4 = alloca i8, align 1
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i8 %1, ptr %4, align 1, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  %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 !10
  br label %11

10:                                               ; preds = %2
  call void @Xil_Assert(ptr noundef @.str, i32 noundef 872)
  store i32 1, ptr @Xil_AssertStatus, align 4, !tbaa !10
  store i32 1, ptr %6, align 4
  br label %41

11:                                               ; preds = %9
  %12 = load ptr, ptr %3, align 8, !tbaa !5
  %13 = getelementptr inbounds %struct.XAdcPs, ptr %12, i32 0, i32 1
  %14 = load i32, ptr %13, align 4, !tbaa !12
  %15 = icmp eq i32 %14, 286331153
  br i1 %15, label %16, label %17

16:                                               ; preds = %11
  store i32 0, ptr @Xil_AssertStatus, align 4, !tbaa !10
  br label %18

17:                                               ; preds = %11
  call void @Xil_Assert(ptr noundef @.str, i32 noundef 873)
  store i32 1, ptr @Xil_AssertStatus, align 4, !tbaa !10
  store i32 1, ptr %6, align 4
  br label %41

18:                                               ; preds = %16
  %19 = load i8, ptr %4, align 1, !tbaa !9
  %20 = zext i8 %19 to i32
  %21 = icmp sle i32 %20, 4
  br i1 %21, label %26, label %22

22:                                               ; preds = %18
  %23 = load i8, ptr %4, align 1, !tbaa !9
  %24 = zext i8 %23 to i32
  %25 = icmp eq i32 %24, 8
  br i1 %25, label %26, label %27

26:                                               ; preds = %22, %18
  store i32 0, ptr @Xil_AssertStatus, align 4, !tbaa !10
  br label %28

27:                                               ; preds = %22
  call void @Xil_Assert(ptr noundef @.str, i32 noundef 875)
  store i32 1, ptr @Xil_AssertStatus, align 4, !tbaa !10
  store i32 1, ptr %6, align 4
  br label %41

28:                                               ; preds = %26
  %29 = load ptr, ptr %3, align 8, !tbaa !5
  %30 = call i32 @XAdcPs_ReadInternalReg(ptr noundef %29, i32 noundef 65)
  store i32 %30, ptr %5, align 4, !tbaa !10
  %31 = load i32, ptr %5, align 4, !tbaa !10
  %32 = and i32 %31, -61441
  store i32 %32, ptr %5, align 4, !tbaa !10
  %33 = load i8, ptr %4, align 1, !tbaa !9
  %34 = zext i8 %33 to i32
  %35 = shl i32 %34, 12
  %36 = and i32 %35, 61440
  %37 = load i32, ptr %5, align 4, !tbaa !10
  %38 = or i32 %37, %36
  store i32 %38, ptr %5, align 4, !tbaa !10
  %39 = load ptr, ptr %3, align 8, !tbaa !5
  %40 = load i32, ptr %5, align 4, !tbaa !10
  call void @XAdcPs_WriteInternalReg(ptr noundef %39, i32 noundef 65, i32 noundef %40)
  store i32 0, ptr %6, align 4
  br label %41

41:                                               ; preds = %28, %27, %17, %10
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  %42 = load i32, ptr %6, align 4
  switch i32 %42, label %44 [
    i32 0, label %43
    i32 1, label %43
  ]

43:                                               ; preds = %41, %41
  ret void

44:                                               ; preds = %41
  unreachable
}

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 = !{!7, !7, i64 0}
!10 = !{!11, !11, i64 0}
!11 = !{!"int", !7, i64 0}
!12 = !{!13, !11, i64 8}
!13 = !{!"", !14, i64 0, !11, i64 8}
!14 = !{!"", !15, i64 0, !11, i64 4}
!15 = !{!"short", !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"

@Xil_AssertStatus = external local_unnamed_addr global i32, align 4
@.str = external hidden unnamed_addr constant [162 x i8], align 1

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

; Function Attrs: nounwind uwtable
declare dso_local i32 @XAdcPs_ReadInternalReg(ptr noundef, i32 noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare dso_local void @XAdcPs_WriteInternalReg(ptr noundef, i32 noundef, i32 noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local void @XAdcPs_SetSequencerMode(ptr noundef %0, i8 noundef zeroext %1) local_unnamed_addr #1 {
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %7, label %3

3:                                                ; preds = %2
  store i32 0, ptr @Xil_AssertStatus, align 4, !tbaa !5
  %4 = getelementptr inbounds i8, ptr %0, i64 8
  %5 = load i32, ptr %4, align 4, !tbaa !9
  %6 = icmp eq i32 %5, 286331153
  br i1 %6, label %8, label %9

7:                                                ; preds = %2
  tail call void @Xil_Assert(ptr noundef nonnull @.str, i32 noundef 872) #2
  store i32 1, ptr @Xil_AssertStatus, align 4, !tbaa !5
  br label %17

8:                                                ; preds = %3
  switch i8 %1, label %16 [
    i8 8, label %10
    i8 4, label %10
    i8 3, label %10
    i8 2, label %10
    i8 1, label %10
    i8 0, label %10
  ]

9:                                                ; preds = %3
  tail call void @Xil_Assert(ptr noundef nonnull @.str, i32 noundef 873) #2
  store i32 1, ptr @Xil_AssertStatus, align 4, !tbaa !5
  br label %17

10:                                               ; preds = %8, %8, %8, %8, %8, %8
  %11 = zext nneg i8 %1 to i32
  %12 = tail call i32 @XAdcPs_ReadInternalReg(ptr noundef nonnull %0, i32 noundef 65)
  %13 = and i32 %12, -61441
  %14 = shl nuw nsw i32 %11, 12
  %15 = add nuw nsw i32 %13, %14
  tail call void @XAdcPs_WriteInternalReg(ptr noundef nonnull %0, i32 noundef 65, i32 noundef %15)
  br label %17

16:                                               ; preds = %8
  tail call void @Xil_Assert(ptr noundef nonnull @.str, i32 noundef 875) #2
  store i32 1, ptr @Xil_AssertStatus, align 4, !tbaa !5
  br label %17

17:                                               ; preds = %10, %16, %9, %7
  ret void
}

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 = !{!"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}
!11 = !{!"", !12, i64 0, !6, i64 4}
!12 = !{!"short", !7, i64 0}


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